Top AI investors
Who is putting money into AI: the funds whose AI stock picks did best, the insiders buying their own stock, the public companies investing in other AI companies, and the people with the biggest stakes — straight from SEC filings.
Funds whose AI picks did best
Last 12 months (Sep 30, 2025 to Sep 30, 2026): the AI stocks Tairen Capital Ltd declared at the start of each quarter returned +166.3%, against +87.2% for SMH; the median manager, +28.6%. 1,356 active managers ranked.
| # | Fund | Return | vs SMH | AI portfolio | Positions | Biggest picks |
|---|---|---|---|---|---|---|
| 1 | Tairen Capital Ltd | +166.3% | +79.1 pts | $891.5M | 24 | TSM, AMD, LITE |
| 2 | WT Asset Management Ltd | +163.3% | +76.1 pts | $4.8B | 16 | SNDK, STX, WDC |
| 3 | DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC | +162.8% | +75.6 pts | $512.8M | 22 | DELL, MU, LRCX |
| 4 | Atreides Management, LP | +162.3% | +75.1 pts | $9.7B | 21 | SPCX, MU, CBRS |
| 5 | Alta Park Capital, LP | +151.4% | +64.2 pts | $808.3M | 17 | SNDK, WDC, MRVL |
| 6 | DEPRINCE RACE & ZOLLO INC | +149.1% | +61.9 pts | $505.2M | 13 | MSFT, TSM, SNDK |
| 7 | Trivest Advisors Ltd | +134.3% | +47.1 pts | $3.1B | 12 | STX, MU, WDC |
| 8 | SYSTEMATIC FINANCIAL MANAGEMENT LP | +130.0% | +42.8 pts | $648.9M | 25 | SIMO, COHU, MKSI |
| 9 | Slate Path Capital LP | +129.1% | +42.0 pts | $1.4B | 8 | STM, HPE, WOLF |
| 10 | Analog Century Management LP | +128.8% | +41.6 pts | $2.6B | 23 | AMAT, APH, TSM |
Last quarter
From Jun 30, 2026 to Sep 30, 2026: the AI stocks PZENA INVESTMENT MANAGEMENT LLC declared at the start of each quarter returned +35.5%, against -7.1% for SMH; the median manager, +3.7%. 1,776 active managers ranked.
| # | Fund | Return | vs SMH | AI portfolio | Positions | Biggest picks |
|---|---|---|---|---|---|---|
| 1 | PZENA INVESTMENT MANAGEMENT LLC | +35.5% | +42.7 pts | $3.1B | 15 | SWKS, CTSH, ACN |
| 2 | Optimus Prime Fund Management Co., Ltd. | +25.1% | +32.3 pts | $645.0M | 9 | SNOW, AMZN, GOOGL |
| 3 | FERNBRIDGE CAPITAL MANAGEMENT LP | +24.8% | +31.9 pts | $617.0M | 6 | CRM, INTU, AMZN |
| 4 | Value Partners Investments Inc. | +24.3% | +31.5 pts | $362.2M | 17 | MSFT, CRM, GOOGL |
| 5 | Generali Powszechne Towarzystwo Emerytalne | +21.7% | +28.9 pts | $348.1M | 9 | AMZN, NVDA, MSFT |
| 6 | Scharf Investments, LLC | +20.9% | +28.0 pts | $446.3M | 13 | MSFT, AMZN, META |
| 7 | Ruffer LLP | +20.6% | +27.7 pts | $399.7M | 8 | AMZN, MSFT, FTNT |
| 8 | Vulcan Value Partners, LLC | +20.0% | +27.1 pts | $895.0M | 6 | MSFT, AMZN, GOOGL |
| 9 | Van Cleef Asset Management,Inc | +18.7% | +25.9 pts | $320.1M | 19 | AAPL, GOOGL, PLTR |
| 10 | Maven Securities LTD | +18.6% | +25.7 pts | $315.6M | 16 | MSFT, META, NVDA |
Last 3 years
From Sep 30, 2023 to Sep 30, 2026: the AI stocks Atreides Management, LP declared at the start of each quarter returned +709.6%, against +325.8% for SMH; the median manager, +146.8%. 782 active managers ranked.
| # | Fund | Return | vs SMH | AI portfolio | Positions | Biggest picks |
|---|---|---|---|---|---|---|
| 1 | Atreides Management, LP | +709.6% | +383.8 pts | $9.7B | 21 | SPCX, MU, CBRS |
| 2 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | +520.9% | +195.1 pts | $2.4B | 39 | SNDK, MKSI, DOCN |
| 3 | Duquesne Family Office LLC | +515.6% | +189.8 pts | $1.3B | 18 | TSM, STM, AMZN |
| 4 | Tairen Capital Ltd | +467.7% | +141.9 pts | $891.5M | 24 | TSM, AMD, LITE |
| 5 | Analog Century Management LP | +458.3% | +132.5 pts | $2.6B | 23 | AMAT, APH, TSM |
Last 5 years
From Sep 30, 2021 to Sep 30, 2026: the AI stocks Atreides Management, LP declared at the start of each quarter returned +776.1%, against +389.8% for SMH; the median manager, +158.7%. 535 active managers ranked.
| # | Fund | Return | vs SMH | AI portfolio | Positions | Biggest picks |
|---|---|---|---|---|---|---|
| 1 | Atreides Management, LP | +776.1% | +386.2 pts | $9.7B | 21 | SPCX, MU, CBRS |
| 2 | Fuller & Thaler Asset Management, Inc. | +580.6% | +190.7 pts | $5.7B | 54 | LITE, BE, ALAB |
| 3 | Hood River Capital Management LLC | +443.7% | +53.8 pts | $4.2B | 25 | APLD, DOCN, MTZ |
| 4 | Cornerstone Investment Partners, LLC | +421.2% | +31.3 pts | $1.3B | 33 | KLAC, AMAT, GOOGL |
| 5 | OAKTOP CAPITAL MANAGEMENT II, L.P. | +413.5% | +23.7 pts | $2.2B | 8 | KLAC, LRCX, ADI |
How it is measured: the AI-stock portfolio each active manager declared in its 13F at the start of a quarter, held unchanged to the quarter's end (closing prices, dividends and spin-offs reinvested), quarter after quarter. Ranked: active managers with at least $250 million in these stocks, five positions and none above half of them. Trades within a quarter, cash, short positions and other stocks are not seen: this is the performance of their declared AI picks, not the return of their funds.
Insiders buying their own stock
In Q3 2026, directors and officers of the AI companies we track bought $21.4M of their own companies' stock (34 people) and sold $8.2B (539 people). The biggest purchases, and what the stock has done since:
| Insider | Company | Role | Bought | Average price | Last price | Since |
|---|---|---|---|---|---|---|
| Lip-Bu Tan | Intel (INTC) | CEO · Director | $10.0M on Aug 11, 2026 | $95.00 | $113.78 | +19.8% |
| Stephen H. Rusckowski | Oracle (ORCL) | Director | $3.5M on Sep 29, 2026 | $139.35 | $144.91 | +4.0% |
| James A. Burke | Vistra (VST) | President and CEO · Director | $1.2M from Aug 24, 2026 to Sep 1, 2026 | $135.38 | $159.67 | +17.9% |
| Edwin Roks | TTM Technologies (TTMI) | President and CEO · Director | $1.1M on Aug 25, 2026 | $111.77 | $134.80 | +20.6% |
| David Blair Kirk | Salesforce (CRM) | Director | $999,450.85 on Sep 18, 2026 | $239.33 | $227.96 | -4.8% |
| Rex D. Geveden | TTM Technologies (TTMI) | Director | $524,500.00 on Aug 24, 2026 | $104.90 | $134.80 | +28.5% |
| Aj Teague | Solaris Energy Infrastructure (SEI) | Director | $500,994.00 on Sep 8, 2026 | $64.23 | $77.14 | +20.1% |
| Rajesh Kalathur | American Tower (AMT) | Director | $500,733.00 on Aug 21, 2026 | $177.00 | $164.56 | -7.0% |
| Roger W. Crandall | Constellation Energy (CEG) | Director | $417,930.90 on Aug 11, 2026 | $278.62 | $304.29 | +9.2% |
| Douglas R. Deason | Galaxy Digital (GLXY) | Director | $258,432.00 on Aug 12, 2026 | $21.54 | $22.85 | +6.1% |
Purchases (code P) declared on Form 4, on the market or privately; what the stock has done since is the last price against the average price paid — not a realized gain. Insider Report, Q3 2026
AI companies investing in AI
Public AI companies also invest in each other. As declared in their 13F filings for Jun 30, 2026:
- Alphabet (GOOGL): $95.1B in 5 AI companies — SpaceX (SPCX) $94.2B (4.2% of its shares), Arm Holdings (ARM) $695.2M (0.2% of its shares), Tempus AI (TEM) $89.9M (0.9% of its shares), GitLab (GTLB) $83.2M (1.6% of its shares), UiPath (PATH) $76.5M (1.3% of its shares)
- NVIDIA (NVDA): $61.2B in 6 AI companies — Intel (INTC) $30.0B (4.3% of its shares), SpaceX (SPCX) $21.0B (0.9% of its shares), CoreWeave (CRWV) $4.7B (8.6% of its shares), Coherent (COHR) $3.1B (4.0% of its shares), Synopsys (SNPS) $2.2B (2.5% of its shares)
- AMD (AMD): $1.0B in 3 AI companies — SpaceX (SPCX) $565.5M (0.0% of its shares), Sanmina (SANM) $291.3M (2.1% of its shares), Cerebras Systems (CBRS) $175.6M (0.3% of its shares)
- Intel (INTC): $484.0M in 1 AI company — Mobileye (MBLY) $484.0M (6.1% of its shares)
- Amazon (AMZN): $252.2M in 2 AI companies — Astera Labs (ALAB) $134.2M (0.2% of its shares), Marvell (MRVL) $118.1M (0.0% of its shares)
The biggest individual stakes in AI
The founders, executives and directors with the largest holdings in the AI companies we track: shares held as declared on their latest Form 3, 4 or 5, at the last price.
| Person | Company | Role | Stake | Value |
|---|---|---|---|---|
| Elon Musk | SpaceX (SPCX) | CEO, CTO & Chairman · Director · 10% owner | 36.2% | $828.0B |
| Mark Zuckerberg | Meta Platforms (META) | COB and CEO · Director · 10% owner | 13.4% | $254.7B |
| Sergey Brin | Alphabet (GOOGL) | Director · 10% owner | 5.9% | $250.5B |
| Jeffrey P. Bezos | Amazon (AMZN) | Executive Chair · Director | 8.2% | $226.2B |
| Jensen Huang | NVIDIA (NVDA) | President and CEO · Director | 3.4% | $196.0B |
| Michael S. Dell | Dell (DELL) | Chief Executive Officer · Director · 10% owner | 46.3% | $169.9B |
| Larry Ellison | Oracle (ORCL) | Executive Chairman · Director · 10% owner | 38.3% | $167.8B |
| Antonio J. Gracias | SpaceX (SPCX) | Director | 3.5% | $80.8B |
| Andy Bechtolsheim | Arista Networks (ANET) | 10% owner | 14.3% | $38.5B |
| Henry Samueli | Broadcom (AVGO) | Director | 1.7% | $31.3B |
From their SEC filings. What declared picks returned, not the return of a fund; past performance says nothing about the future. Not investment advice.
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