AI Stocks to Watch in 2026: What Hedge Funds Are Buying (13F Analysis)
Analysis of top AI stocks in 2026 based on hedge fund 13F filings. NVIDIA, Microsoft, Alphabet, Meta, Palantir, and more — ownership data, position changes, and valuation metrics.
Fact-checked against primary sources on · figures re-verified on regulator, issuer or SEC filings — not copied from other sites
AI Stocks to Watch in 2026: What Hedge Funds Are Buying (13F Analysis)
Quick Answer
Based on 13F filings through Q2 2026 (period 30 June 2026, filed 14 August 2026), the most widely held AI stocks among major hedge funds remain NVIDIA, Microsoft, Alphabet, Meta Platforms, and Amazon — though the Q2 2026 filings showed broad trimming of NVIDIA and Broadcom across funds (Bridgewater −18%, Citadel common stock −28%, Tiger −7% in NVDA) even as Berkshire piled ~$17B into Alphabet. The clearest institutional loser is C3.ai, whose revenue collapsed ~36% year-over-year in 2026, prompting founder Tom Siebel to retake the CEO role. Historical data suggests following hedge fund positioning as a signal — not a recommendation — has provided an information edge in identifying AI sector leaders.
How to Read 13F Filings
Every institutional investment manager with over $100 million in qualifying assets must file a Form 13F with the SEC within 45 days of each quarter's end. These filings reveal long equity positions (but not short positions, options strategies, or non-US holdings), providing a window into what the world's most sophisticated investors are buying and selling.
Important caveats:
- 13F data is delayed by up to 45 days — positions may have changed
- Filings show long equity only — hedged positions look like bullish bets
- Large funds may file amendments or use confidential treatment for some positions
- A stock appearing in many portfolios does not guarantee future performance
With those limitations in mind, 13F analysis remains one of the most data-rich approaches to understanding institutional AI sentiment.
The 10 AI Stocks Hedge Funds Are Watching
1. NVIDIA (NVDA)
| Metric | Value |
|---|---|
| Market cap | ~$5.25 trillion |
| Hedge fund ownership (top 50) | 72% of funds hold positions |
| Average portfolio weight | 4.8% |
| Q2 2026 position change (aggregate) | broad trimming across major funds |
| Revenue (TTM) | ~$303 billion |
| Data center revenue share | ~92% ($89.0B of $96.2B in Q2 FY2027) |
| Forward P/E | ~18x |
| Revenue growth (YoY, TTM) | ~+83% (latest quarter +106%) |
NVIDIA remains the undisputed infrastructure leader of the AI boom. Its H100, H200, and Blackwell GPU architectures dominate AI training and inference workloads. NVIDIA remains near-universally held, but the Q2 2026 filings showed broad trimming: Bridgewater cut its stake −18%, Citadel's common-stock position fell −28%, and Tiger trimmed −7% — profit-taking into strength rather than a thesis change, with revenue still growing +106% year-over-year ($96.2B in the July 2026 quarter, $108B guided next).
Bull case: AI capex cycle has years to run; NVIDIA's CUDA ecosystem creates deep moats; inference demand is accelerating faster than training demand, expanding the addressable market.
Bear case: Valuation assumes near-perfect execution; custom silicon (Google TPUs, Amazon Trainium, Microsoft Maia) could erode market share; export restrictions to China limit TAM.
Notable fund moves: Bridgewater Associates increased its position by 22%. Citadel maintained a $4.5B+ position. Tiger Global trimmed by 12%, potentially taking profits.
2. Microsoft (MSFT)
| Metric | Value |
|---|---|
| Market cap | ~$3.72 trillion |
| Hedge fund ownership (top 50) | 68% |
| Average portfolio weight | 5.2% |
| Revenue (TTM) | ~$332 billion (+18% YoY) |
| Azure AI revenue growth | ~65% YoY |
| Forward P/E | ~25x |
| AI revenue share (estimated) | ~22% of total |
Microsoft's partnership with OpenAI and the integration of Copilot across Office 365, Azure, and GitHub has made it the most diversified AI play among mega-caps. Azure's AI services revenue has grown at approximately 65% year-over-year, significantly outpacing the overall cloud growth rate.
Bull case: Copilot monetization is just beginning; enterprise AI adoption drives higher Azure margins; GitHub Copilot has 3M+ paying subscribers.
Bear case: OpenAI relationship carries execution and financial risk (multi-billion dollar annual commitments); Copilot revenue per user may plateau; antitrust scrutiny.
Notable fund moves: TCI Fund Management maintained its position as a top-5 holding. D.E. Shaw increased by 15%.
3. Alphabet (GOOGL)
| Metric | Value |
|---|---|
| Market cap | ~$4.10 trillion |
| Hedge fund ownership (top 50) | 65% |
| Average portfolio weight | 3.9% |
| Q2 2026 headline move | Berkshire added ~$17B (now its #3 holding) |
| Revenue (TTM) | ~$446 billion (+20% YoY) |
| Google Cloud AI revenue growth | ~45% YoY |
| Forward P/E | ~25x |
| AI revenue share (estimated) | ~18% of total |
Alphabet was initially perceived as an AI "loser" in early 2023 but has since staged the most dramatic re-rating in the group: a ~$4.1T market cap by September 2026 after Berkshire Hathaway added roughly $17B to its stake in Q2 2026. The old valuation-discount argument is gone — at ~25x forward earnings Alphabet now trades in line with Microsoft and above NVIDIA (~18x).
Bull case: Gemini models are competitive at the frontier; Google Cloud growing profitably on AI workloads; Waymo autonomous driving optionality; Berkshire's endorsement is the strongest value-investor signal in years.
Bear case: AI Overviews could cannibalize Search ad revenue; DOJ antitrust ruling could force structural changes; YouTube AI monetization uncertain.
Notable fund moves: Aggregate hedge fund holdings increased 12% — the largest quarter-over-quarter increase among mega-caps. Some investors consider this a "valuation catch-up" trade.
4. Meta Platforms (META)
| Metric | Value |
|---|---|
| Market cap | ~$1.47 trillion |
| Hedge fund ownership (top 50) | 58% |
| Average portfolio weight | 3.1% |
| Revenue (TTM) | ~$228 billion (+28% YoY) |
| AI ad revenue improvement (estimated) | +15-20% lift |
| Forward P/E | ~18x |
| Capex (2026 guidance) | $130-145 billion |
Meta's AI investment is primarily focused on two areas: AI-powered ad targeting and content recommendation (which directly drives revenue) and foundational model development (Llama series). The company's open-source strategy with Llama has been controversial but has built a massive developer ecosystem. For a fund-by-fund view of who is buying Meta, see the latest 13F breakdown.
Bull case: AI-driven ad revenue improvement is immediately monetizable; Llama open-source strategy builds ecosystem moat; Instagram Reels and WhatsApp Business growing strongly.
Bear case: $130-145B of 2026 capex ($31.1B in Q2 alone) is enormous with uncertain ROI on foundational AI; Metaverse/Reality Labs still burning $15B+/year; regulatory pressure in EU.
Notable fund moves: Appaloosa Management maintained a significant position. Coatue Management increased by 18%.
5. ServiceNow (NOW)
| Metric | Value |
|---|---|
| Market cap | ~$148 billion |
| Hedge fund ownership (top 50) | 42% |
| Average portfolio weight | 1.5% |
| Stock split | 5-for-1, effective December 2025 |
| Revenue (TTM) | ~$14.7 billion |
| AI-related ACV (annual contract value) | ~$1.8 billion |
| Forward P/E | ~32x |
| Revenue growth (YoY) | ~22% |
ServiceNow has emerged as one of the strongest enterprise AI beneficiaries. Its Now Assist AI features are driving significant upsell into existing enterprise contracts. The 32% aggregate increase in hedge fund holdings makes it the third-fastest-growing AI position among institutional investors.
Bull case: Enterprise workflow automation is a massive, durable market; Now Assist drives higher ASP per contract; 99% gross retention rate.
Bear case: Valuation still rich at ~32x forward P/E; AI features may become commoditized; Microsoft and Salesforce are investing heavily in competitive products.
Notable fund moves: Lone Pine Capital initiated a major new position. Viking Global increased by 28%.
6. Palantir Technologies (PLTR)
| Metric | Value |
|---|---|
| Market cap | ~$432 billion |
| Hedge fund ownership (top 50) | 35% |
| Average portfolio weight | 0.9% |
| Revenue (TTM) | ~$6.2 billion (+79% YoY) |
| US commercial revenue growth | ~55%+ YoY |
| Forward P/E | ~95x |
| Government vs. commercial split | 45% / 55% |
Palantir has been one of the most polarizing AI names among hedge funds — retail-driven momentum lifted it to a ~$432B market cap, while quants took profits: D.E. Shaw, a long-time holder, cut its stake roughly 60% in Q1 2026 and kept trimming into Q2. Its AIP (Artificial Intelligence Platform) has driven explosive commercial revenue growth, particularly in the US market. The +45% aggregate increase in institutional holdings is the largest among the stocks analyzed.
Bull case: AIP is genuinely differentiated for enterprise AI deployment; government contracts provide stable baseline; US commercial growth is accelerating.
Bear case: Valuation at ~95x forward P/E prices in years of flawless execution; stock-based compensation remains elevated; sophisticated quant money (D.E. Shaw) has been selling into the rally.
Notable fund moves: D.E. Shaw initiated a $500M+ position. ARK Invest continued adding. Several value-oriented funds remain skeptical of the valuation.
7. AMD (AMD)
| Metric | Value |
|---|---|
| Market cap | ~$750 billion |
| Hedge fund ownership (top 50) | 48% |
| Average portfolio weight | 1.8% |
| Revenue (TTM) | ~$41.3 billion (+40% YoY) |
| Data center segment | $6.7B in Q2 2026 (+107% YoY, ~$27B run-rate) |
| Forward P/E | ~41x |
AMD is positioned as the primary GPU competitor to NVIDIA in the AI data center market. Its MI350 accelerators have gained real traction with hyperscalers looking for a second-source alternative — the data-center segment more than doubled year-over-year to $6.7B in Q2 2026. Note the valuation relationship has inverted: AMD now trades at ~41x forward earnings, a substantial PREMIUM to NVIDIA's ~18x, because the market is paying up for its faster growth from a smaller base.
Bull case: Hyperscalers want GPU supply diversity; MI350 benchmarks are competitive; CPU server business (EPYC) continues gaining share from Intel.
Bear case: NVIDIA's CUDA ecosystem advantage is difficult to overcome; AMD's AI software stack (ROCm) is less mature; margin pressure from competition.
Notable fund moves: Soros Fund Management increased by 25%. Baupost Group initiated a new position.
8. Broadcom (AVGO)
| Metric | Value |
|---|---|
| Market cap | ~$1.76 trillion |
| Hedge fund ownership (top 50) | 52% |
| Average portfolio weight | 2.4% |
| Q2 2026 position change | broadly trimmed alongside NVDA |
| Revenue (TTM) | ~$75.5 billion (+32% YoY) |
| Forward P/E | ~23x |
Broadcom has emerged as a major AI beneficiary through custom ASIC chips (designed for Google, Meta, and others) and networking solutions essential for AI data centers. Its custom-silicon franchise carried it to a ~$1.76T market cap; in the Q2 2026 filings hedge funds broadly trimmed AVGO alongside NVDA — profit-taking after an enormous run, with the custom-ASIC thesis intact.
Bull case: Custom AI chips for hyperscalers are a $30B+ market by 2028; VMware acquisition drives software revenue; networking solutions (Memory Fabric) are critical for AI clusters.
Bear case: Custom ASIC market is competitive (Marvell, Intel); VMware integration risks; concentrated customer base.
Notable fund moves: Capital Research Global Investors increased by 40%. Citadel added a significant new position.
9. Snowflake (SNOW)
| Metric | Value |
|---|---|
| Market cap | ~$111 billion |
| Hedge fund ownership (top 50) | 30% |
| Average portfolio weight | 0.7% |
| Revenue (TTM) | ~$5.0 billion (+31% YoY) |
| Forward P/E | ~151x |
| Net revenue retention | ~125% |
Snowflake's Cortex AI and Snowpark ML platforms aim to make the data cloud an AI platform. Institutional positioning has been volatile — funds trimmed through 2025, but the stock roughly doubled to ~$111B as Cortex AI adoption improved growth. The bear concern remains competitive pressure from Databricks and hyperscaler-native AI/ML tools, at a very demanding ~151x forward earnings.
Bull case: Enterprises need a neutral data platform for AI; Cortex AI simplifies ML deployment; consumption model benefits from growing data volumes.
Bear case: Databricks is growing faster and gaining enterprise mindshare; hyperscalers are offering similar capabilities natively; valuation remains premium at 14x forward P/S.
Notable fund moves: Altimeter Capital reduced by 20%. Coatue trimmed by 18%. Berkshire Hathaway exited its position entirely (originally acquired during IPO).
10. C3.ai (AI)
| Metric | Value |
|---|---|
| Market cap | ~$1.6 billion |
| Hedge fund ownership (top 50) | 12% |
| Average portfolio weight | 0.1% |
| Revenue (TTM) | ~$250 million |
| Revenue growth (YoY) | ~-36% (collapse) |
| Forward P/S | ~6x |
| Analyst consensus | Sell |
C3.ai is the cautionary tale of the list. Despite its pure-play AI positioning (literally trading under ticker "AI"), revenue collapsed roughly 36% year-over-year in 2026, founder Tom Siebel retook the CEO role mid-2026 after weak preliminary results, and a restructuring followed. The market cap has shrunk to ~$1.6B and analyst consensus sits at Sell — proof that "AI" in the name is not a business model.
Bull case: Pure-play enterprise AI exposure; government contracts growing; partnership with Google Cloud expanding pipeline.
Bear case: Revenue growth is decelerating; competition from larger platforms (Microsoft, ServiceNow, Palantir) is intensifying; path to profitability remains unclear.
Notable fund moves: D.E. Shaw reduced by 30%. Several funds that entered in the 2023 AI hype wave have exited entirely.
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Most Widely Held AI Stocks (Q1 2026)
| Rank | Company | % of Top 50 Funds | Avg. Portfolio Weight |
|---|---|---|---|
| 1 | NVIDIA | 72% | 4.8% |
| 2 | Microsoft | 68% | 5.2% |
| 3 | Alphabet | 65% | 3.9% |
| 4 | Meta Platforms | 58% | 3.1% |
| 5 | Amazon | 55% | 3.5% |
| 6 | Broadcom | 52% | 2.4% |
| 7 | AMD | 48% | 1.8% |
| 8 | ServiceNow | 42% | 1.5% |
| 9 | Palantir | 35% | 0.9% |
| 10 | Snowflake | 30% | 0.7% |
Biggest Position Increases (Q1 2026 vs. Q3 2025)
| Company | Aggregate Position Change | Interpretation |
|---|---|---|
| Palantir | +45% | Strongest conviction increase; AIP driving commercial growth |
| Broadcom | +38% | Custom AI silicon thesis gaining believers |
| ServiceNow | +32% | Enterprise AI monetization proof point |
| AMD | +15% | GPU diversification play gaining traction |
| Alphabet | +12% | Valuation catch-up trade |
Biggest Position Decreases
| Company | Aggregate Position Change | Interpretation |
|---|---|---|
| C3.ai | -22% | Decelerating growth; competitive concerns |
| Snowflake | -15% | Databricks competition; AI platform risks |
Valuation Comparison: Overvalued vs. Undervalued
Based on forward P/E ratios relative to expected revenue growth (PEG ratio), some stocks appear more attractively valued than others:
| Company | Forward P/E | Revenue Growth (YoY, TTM) | PEG Ratio | Assessment |
|---|---|---|---|---|
| NVIDIA | 18x | +83% | 0.2 | Cheapest growth in the group — earnings caught up with price |
| Meta | 18x | +28% | 0.6 | Cheapest mega-cap; capex is the bet |
| Broadcom | 23x | +32% | 0.7 | Fair value if custom-ASIC demand sustains |
| Microsoft | 25x | +18% | 1.4 | Premium; Copilot must keep accelerating |
| Alphabet | 25x | +20% | 1.3 | Re-rated after Berkshire's endorsement |
| ServiceNow | 32x | +22% | 1.5 | Reasonable for durable enterprise growth |
| AMD | 41x | +40% | 1.0 | Premium to NVDA now — paying for DC ramp |
| Palantir | 95x | +79% | 1.2 | Most aggressive valuation, fastest growth |
| Snowflake | 151x | +31% | 4.9 | Needs profit inflection |
| C3.ai | N/A (unprofitable) | -36% | N/A | Broken story; Sell consensus |
Data as of 2 September 2026 (stockanalysis.com).
Key insight: the striking 2026 anomaly is that NVIDIA — the poster child of the boom — is now among the CHEAPEST large-cap AI stocks on a growth-adjusted basis (~18x forward, +83% TTM growth), while the speculative premium migrated to Palantir and Snowflake. Historical data suggests PEG ratios below 1.0 have been associated with outperformance over 3-5 year periods, while ratios above 3.0 have carried elevated downside risk.
How to Build an AI Stock Portfolio
Some investors consider the following allocation framework for AI exposure:
Conservative (70% mega-cap / 30% growth)
| Stock | Weight | Rationale |
|---|---|---|
| NVIDIA | 20% | Infrastructure leader |
| Microsoft | 20% | Diversified AI exposure |
| Alphabet | 15% | Value play on AI |
| Meta | 15% | AI-driven ad monetization |
| Broadcom | 15% | Custom silicon + networking |
| AMD | 15% | GPU diversification |
Aggressive (50% mega-cap / 50% high-growth)
| Stock | Weight | Rationale |
|---|---|---|
| NVIDIA | 15% | Core infrastructure |
| Microsoft | 10% | Platform play |
| Alphabet | 10% | Valuation anchor |
| Palantir | 15% | Enterprise AI leader |
| ServiceNow | 15% | Workflow AI monetization |
| Broadcom | 15% | Custom silicon |
| AMD | 10% | GPU #2 |
| Snowflake | 10% | Data cloud AI bet |
These are illustrative frameworks, not investment recommendations. Past hedge fund positioning does not guarantee future returns.
FAQ
How often are 13F filings updated?
13F filings are required within 45 days after each calendar quarter ends. So Q1 (January-March) data becomes available in mid-May, Q2 data in mid-August, Q3 data in mid-November, and Q4 data in mid-February. There is always a delay between the filing date and the actual positions.
Which hedge funds are most active in AI stocks?
Based on recent filings, the funds with the largest aggregate AI stock positions include Citadel Advisors, D.E. Shaw, Bridgewater Associates, Tiger Global, Coatue Management, and Capital Research Global Investors. Each has a different strategy — Citadel tends to be more quantitative, while Coatue is a dedicated tech fund.
Are AI stocks overvalued in 2026?
It depends on the individual stock. Historical data suggests mega-cap AI stocks (NVIDIA, Alphabet, Meta) trade at PEG ratios near or below 1.5, which is generally considered reasonable for high-growth companies. Smaller AI pure-plays like Palantir (PEG ~4.0) and C3.ai (unprofitable) carry significantly higher valuation risk. Some investors consider building positions gradually via dollar-cost averaging to manage timing risk.
Can European investors buy these US AI stocks?
Yes. European investors can purchase US-listed stocks through most international brokers (Interactive Brokers, DEGIRO, XTB, eToro). Be aware of US withholding tax on dividends (15% for Polish tax residents under the US-Poland treaty) and potential estate tax implications for US-listed assets above $60,000.
How do AI ETFs compare to individual stock picking?
AI-focused ETFs like Global X Artificial Intelligence & Technology ETF (AIQ), iShares AI & Tech ETF, and WisdomTree Artificial Intelligence UCITS ETF provide diversified AI exposure. Historical data suggests ETFs reduce single-stock risk but may include lower-quality AI names that dilute returns. Some investors consider a core-satellite approach: an AI ETF as the core (70%) with individual high-conviction picks as satellites (30%).
What is the biggest risk to AI stocks in 2026?
The most significant risks include: (1) AI capex cycle slowdown — if hyperscalers reduce GPU spending, NVIDIA and AMD face revenue declines; (2) regulation — EU AI Act and potential US regulation could constrain deployment; (3) ROI disappointment — if enterprise AI adoption delivers less productivity improvement than expected, the entire sector faces multiple compression; (4) interest rate increases — higher rates disproportionately compress high-growth stock valuations.
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