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 |
|---|---|---|---|---|---|
| Cloud Capital Management, LLC | 8 | $0 | 0.00% | +8 | New |
| SBI Securities Co., Ltd. | 3 | $12 | 0.00% | −43−93.5% | Reduced |
| Optiver Holding B.V. | 20 | $80 | 0.00% | +20 | New |
| Barclays PLC | 42 | $169 | 0.00% | +41+4,100.0% | Added |
| SRS Capital Advisors, Inc. | 42 | $169 | 0.00% | +42 | New |
| Advisor Group Holdings, Inc. | 47 | $189 | 0.00% | −2−4.1% | Reduced |
| Bank of America Corp | 124 | $498 | 0.00% | −821−86.9% | Reduced |
| True Wealth Design, LLC | 126 | $507 | 0.00% | −81−39.1% | Reduced |
| North Star Investment Management Corp. | 174 | $699 | 0.00% | +174 | New |
| Royal Bank of Canada | 195 | $1.00K | 0.00% | −11,889−98.4% | Reduced |
| Russell Investments Group, Ltd. | 306 | $1.23K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 338 | $1.36K | 0.00% | −78−18.8% | Reduced |
| Fortitude Family Office, LLC | 511 | $2.05K | 0.00% | +219+75.0% | Added |
| BNP Paribas Arbitrage, SA | 514 | $2.07K | 0.00% | −291−36.1% | Reduced |
| EverSource Wealth Advisors, LLC | 725 | $2.92K | 0.00% | +101+16.2% | Added |
| Advisory Services Network, LLC | 802 | $3.22K | 0.00% | +802 | New |
| CWM, LLC | 924 | $4.00K | 0.00% | −2,845−75.5% | Reduced |
| Northwestern Mutual Wealth Management Co | 1,450 | $5.83K | 0.00% | +1,450 | New |
| The PNC Financial Services Group, Inc. | 1,466 | $5.89K | 0.00% | −297−16.8% | Reduced |
| Tower Research Capital LLC (TRC) | 2,390 | $9.61K | 0.00% | −228−8.7% | Reduced |
| Group One Trading, L.P. | 2,658 | $10.7K | 0.00% | +1,833+222.2% | Added |
| Rothschild Investment LLC | 2,885 | $11.6K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 3,347 | $13.5K | 0.00% | +2,582+337.5% | Added |
| Whittier Trust Co of Nevada Inc | 2,482 | $17.1K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 7,676 | $30.9K | 0.00% | −621−7.5% | Reduced |
| AlphaCore Capital LLC | 10,000 | $40.2K | 0.00% | −10,000−50.0% | Reduced |
| Bank of Montreal | 11,342 | $45.6K | 0.00% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 11,401 | $45.8K | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 13,487 | $54.2K | 0.00% | −95−0.7% | Reduced |
| Acadian Asset Management LLC | 14,523 | $58.0K | 0.00% | −11,954−45.1% | Reduced |
| XTX Topco Ltd | 15,746 | $63.3K | 0.00% | +15,746 | New |
| JustInvest LLC | 17,045 | $68.5K | 0.00% | +2,055+13.7% | Added |
| Bowie Capital Management, LLC | 19,484 | $78.3K | 0.00% | 00.0% | Unchanged |
| University of Texas/Texas Am Investment Managment Co | 22,175 | $89.1K | 0.01% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 22,816 | $91.7K | 0.00% | −45,132−66.4% | Reduced |
| Brown Advisory Inc | 25,000 | $100.5K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 30,412 | $122.3K | 0.00% | −46,100−60.3% | Reduced |
| Boothbay Fund Management, LLC | 32,472 | $130.5K | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 35,579 | $143.0K | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 37,000 | $148.7K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 37,152 | $149.4K | 0.00% | +37,152 | New |
| Citizens Financial Group Inc | 40,000 | $160.8K | 0.00% | +6,394+19.0% | Added |
| Jane Street Group, LLC | 48,366 | $194.4K | 0.00% | −60,654−55.6% | Reduced |
| Price T Rowe Associates Inc | 59,428 | $239.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 61,036 | $245.4K | 0.00% | −3,594−5.6% | Reduced |
| Ieq Capital, LLC | 62,979 | $253.2K | 0.00% | −2,210−3.4% | Reduced |
| SCS Capital Management LLC | 66,777 | $268.4K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 75,772 | $304.6K | 0.00% | +41,072+118.4% | Added |
| Bridgeway Capital Management, LLC | 77,653 | $312.2K | 0.01% | +23,553+43.5% | Added |
| Wetherby Asset Management Inc | 84,162 | $338.3K | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 90,251 | $362.8K | 0.00% | −75,836−45.7% | Reduced |
| State Street Corp | 103,185 | $414.8K | 0.00% | −1,549−1.5% | Reduced |
| Ikarian Capital, LLC | 110,000 | $442.2K | 0.10% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 116,579 | $468.6K | 0.00% | +71,844+160.6% | Added |
| Stifel Financial Corp | 122,000 | $490.5K | 0.00% | −4,853−3.8% | Reduced |
| UBS Group AG | 139,031 | $558.9K | 0.00% | −289,185−67.5% | Reduced |
| Two Sigma Advisers, LP | 149,900 | $602.6K | 0.00% | +67,700+82.4% | Added |
| Perceptive Advisors LLC | 155,366 | $624.6K | 0.02% | +155,366 | New |
| Susquehanna International Group, LLP | 155,676 | $625.8K | 0.00% | +94,613+154.9% | Added |
| Almitas Capital LLC | 195,145 | $784.5K | 0.18% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 237,900 | $956.9K | 0.00% | +8,179+3.6% | Added |
| OrbiMed Advisors LLC | 250,000 | $1.00M | 0.02% | 00.0% | Unchanged |
| AWM Investment Company, Inc. | 280,483 | $1.13M | 0.11% | 00.0% | Unchanged |
| Peapod Lane Capital LLC | 281,963 | $1.14M | 1.02% | +3,106+1.1% | Added |
| Millennium Management LLC | 315,758 | $1.27M | 0.00% | +12,896+4.3% | Added |
| BlackRock, Inc. | 367,879 | $1.48M | 0.00% | −193,969−34.5% | Reduced |
| Integral Health Asset Management, LLC | 400,000 | $1.61M | 0.12% | 00.0% | Unchanged |
| Northern Trust Corp | 461,285 | $1.85M | 0.00% | −2,059−0.4% | Reduced |
| Alkeon Capital Management LLC | 477,101 | $1.92M | 0.01% | 00.0% | Unchanged |
| 72 Investment Holdings, LLC | 667,778 | $2.68M | 3.95% | 00.0% | Unchanged |
| Marshall Wace, LLP | 825,225 | $3.32M | 0.00% | −112,182−12.0% | Reduced |
| Vestal Point Capital, LP | 950,000 | $3.82M | 0.17% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,105,407 | $4.44M | 0.00% | +20,702+1.9% | Added |
| Franklin Resources Inc | 1,162,608 | $4.67M | 0.00% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 1,332,437 | $5.36M | 0.01% | +2,682+0.2% | Added |
| Armistice Capital, LLC | 1,636,000 | $6.58M | 0.21% | +12,000+0.7% | Added |
| Falcon Edge Capital, LP | 3,707,757 | $14.9M | 1.51% | 00.0% | Unchanged |
| 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 |