Alto Neuroscience, Inc.
ANRO- Exchange
- NYSE
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001999480
No open-market purchases or sales by Alto Neuroscience, Inc. insiders were filed in the last 90 days; 114 institutions reported holding it in 13F filings for Q2 2026, worth $777.6M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Alto Neuroscience, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 77
- −3 vs. Q2 2025
- Shares held
- 16.8M
- −538.6K (−3.1%) vs. Q2 2025
- Total value
- $67.4M
- +$29.3M (+77.1%) vs. Q2 2025
- New holders
- 9
- 18 more added
- Sold out
- 12
- 26 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ANRO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 114 | $777.6M |
| Q1 2026 | 110 | $602.5M |
| Q4 2025 | 97 | $435.9M |
| Q3 2025 | 77 | $67.4M |
| Q2 2025 | 80 | $38.1M |
| Q1 2025 | 83 | $45.0M |
| Q4 2024 | 77 | $95.3M |
| Q3 2024 | 75 | $265.5M |
| Q2 2024 | 58 | $198.8M |
| Q1 2024 | 53 | $245.2M |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Alto Neuroscience, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Falcon Edge Capital, LP | 3,707,757 | $14.9M | 1.51% | 00.0% | Unchanged |
| Armistice Capital, LLC | 1,636,000 | $6.58M | 0.21% | +12,000+0.7% | Added |
| Point72 Asset Management, L.P. | 1,332,437 | $5.36M | 0.01% | +2,682+0.2% | Added |
| Franklin Resources Inc | 1,162,608 | $4.67M | 0.00% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,105,407 | $4.44M | 0.00% | +20,702+1.9% | Added |
| Vestal Point Capital, LP | 950,000 | $3.82M | 0.17% | 00.0% | Unchanged |
| Marshall Wace, LLP | 825,225 | $3.32M | 0.00% | −112,182−12.0% | Reduced |
| 72 Investment Holdings, LLC | 667,778 | $2.68M | 3.95% | 00.0% | Unchanged |
| Alkeon Capital Management LLC | 477,101 | $1.92M | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 461,285 | $1.85M | 0.00% | −2,059−0.4% | Reduced |
| Integral Health Asset Management, LLC | 400,000 | $1.61M | 0.12% | 00.0% | Unchanged |
| BlackRock, Inc. | 367,879 | $1.48M | 0.00% | −193,969−34.5% | Reduced |
| Millennium Management LLC | 315,758 | $1.27M | 0.00% | +12,896+4.3% | Added |
| Peapod Lane Capital LLC | 281,963 | $1.14M | 1.02% | +3,106+1.1% | Added |
| AWM Investment Company, Inc. | 280,483 | $1.13M | 0.11% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 250,000 | $1.00M | 0.02% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 237,900 | $956.9K | 0.00% | +8,179+3.6% | Added |
| Almitas Capital LLC | 195,145 | $784.5K | 0.18% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 155,676 | $625.8K | 0.00% | +94,613+154.9% | Added |
| Perceptive Advisors LLC | 155,366 | $624.6K | 0.02% | +155,366 | New |
| Two Sigma Advisers, LP | 149,900 | $602.6K | 0.00% | +67,700+82.4% | Added |
| UBS Group AG | 139,031 | $558.9K | 0.00% | −289,185−67.5% | Reduced |
| Stifel Financial Corp | 122,000 | $490.5K | 0.00% | −4,853−3.8% | Reduced |
| Two Sigma Investments, LP | 116,579 | $468.6K | 0.00% | +71,844+160.6% | Added |
| Ikarian Capital, LLC | 110,000 | $442.2K | 0.10% | 00.0% | Unchanged |
| State Street Corp | 103,185 | $414.8K | 0.00% | −1,549−1.5% | Reduced |
| Goldman Sachs Group Inc | 90,251 | $362.8K | 0.00% | −75,836−45.7% | Reduced |
| Wetherby Asset Management Inc | 84,162 | $338.3K | 0.01% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 77,653 | $312.2K | 0.01% | +23,553+43.5% | Added |
| Renaissance Technologies LLC | 75,772 | $304.6K | 0.00% | +41,072+118.4% | Added |
| SCS Capital Management LLC | 66,777 | $268.4K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 62,979 | $253.2K | 0.00% | −2,210−3.4% | Reduced |
| Morgan Stanley | 61,036 | $245.4K | 0.00% | −3,594−5.6% | Reduced |
| Price T Rowe Associates Inc | 59,428 | $239.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 48,366 | $194.4K | 0.00% | −60,654−55.6% | Reduced |
| Citizens Financial Group Inc | 40,000 | $160.8K | 0.00% | +6,394+19.0% | Added |
| Citadel Advisors LLC | 37,152 | $149.4K | 0.00% | +37,152 | New |
| Allianz Asset Management GmbH | 37,000 | $148.7K | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 35,579 | $143.0K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 32,472 | $130.5K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 30,412 | $122.3K | 0.00% | −46,100−60.3% | Reduced |
| Brown Advisory Inc | 25,000 | $100.5K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 22,816 | $91.7K | 0.00% | −45,132−66.4% | Reduced |
| University of Texas/Texas Am Investment Managment Co | 22,175 | $89.1K | 0.01% | 00.0% | Unchanged |
| Bowie Capital Management, LLC | 19,484 | $78.3K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 17,045 | $68.5K | 0.00% | +2,055+13.7% | Added |
| XTX Topco Ltd | 15,746 | $63.3K | 0.00% | +15,746 | New |
| Acadian Asset Management LLC | 14,523 | $58.0K | 0.00% | −11,954−45.1% | Reduced |
| Ameriprise Financial Inc | 13,487 | $54.2K | 0.00% | −95−0.7% | Reduced |
| Prelude Capital Management, LLC | 11,401 | $45.8K | 0.00% | 00.0% | Unchanged |
| Bank of Montreal | 11,342 | $45.6K | 0.00% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 10,000 | $40.2K | 0.00% | −10,000−50.0% | Reduced |
| FMR LLC | 7,676 | $30.9K | 0.00% | −621−7.5% | Reduced |
| Whittier Trust Co of Nevada Inc | 2,482 | $17.1K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 3,347 | $13.5K | 0.00% | +2,582+337.5% | Added |
| Rothschild Investment LLC | 2,885 | $11.6K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 2,658 | $10.7K | 0.00% | +1,833+222.2% | Added |
| Tower Research Capital LLC (TRC) | 2,390 | $9.61K | 0.00% | −228−8.7% | Reduced |
| The PNC Financial Services Group, Inc. | 1,466 | $5.89K | 0.00% | −297−16.8% | Reduced |
| Northwestern Mutual Wealth Management Co | 1,450 | $5.83K | 0.00% | +1,450 | New |
| CWM, LLC | 924 | $4.00K | 0.00% | −2,845−75.5% | Reduced |
| Advisory Services Network, LLC | 802 | $3.22K | 0.00% | +802 | New |
| EverSource Wealth Advisors, LLC | 725 | $2.92K | 0.00% | +101+16.2% | Added |
| BNP Paribas Arbitrage, SA | 514 | $2.07K | 0.00% | −291−36.1% | Reduced |
| Fortitude Family Office, LLC | 511 | $2.05K | 0.00% | +219+75.0% | Added |
| Nisa Investment Advisors, LLC | 338 | $1.36K | 0.00% | −78−18.8% | Reduced |
| Russell Investments Group, Ltd. | 306 | $1.23K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 195 | $1.00K | 0.00% | −11,889−98.4% | Reduced |
| North Star Investment Management Corp. | 174 | $699 | 0.00% | +174 | New |
| True Wealth Design, LLC | 126 | $507 | 0.00% | −81−39.1% | Reduced |
| Bank of America Corp | 124 | $498 | 0.00% | −821−86.9% | Reduced |
| Advisor Group Holdings, Inc. | 47 | $189 | 0.00% | −2−4.1% | Reduced |
| Barclays PLC | 42 | $169 | 0.00% | +41+4,100.0% | Added |
| SRS Capital Advisors, Inc. | 42 | $169 | 0.00% | +42 | New |
| Optiver Holding B.V. | 20 | $80 | 0.00% | +20 | New |
| SBI Securities Co., Ltd. | 3 | $12 | 0.00% | −43−93.5% | Reduced |
| Cloud Capital Management, LLC | 8 | $0 | 0.00% | +8 | New |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −115,263−100.0% | Sold out |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −38,597−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −21,171−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −14,080−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −12,447−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −2,303−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −351−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −178−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −1−100.0% | Sold out |