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, Q4 2025
Institutional positions in Alto Neuroscience, Inc. as of Dec 31, 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
- 97
- +21 vs. Q3 2025
- Shares held
- 24.5M
- +7.81M (+46.9%) vs. Q3 2025
- Total value
- $435.9M
- +$368.8M (+550.2%) vs. Q3 2025
- New holders
- 30
- 27 more added
- Sold out
- 9
- 25 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Alto Neuroscience, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Falcon Edge Capital, LP | 3,707,757 | $66.0M | 8.09% | 00.0% | Unchanged |
| Vestal Point Capital, LP | 2,485,000 | $44.2M | 1.62% | +1,535,000+161.6% | Added |
| Commodore Capital LP | 1,823,196 | $32.5M | 2.16% | +1,823,196 | New |
| Perceptive Advisors LLC | 1,784,393 | $31.8M | 0.58% | +1,629,027+1,048.5% | Added |
| Point72 Asset Management, L.P. | 1,606,954 | $28.6M | 0.04% | +274,517+20.6% | Added |
| Armistice Capital, LLC | 1,536,000 | $27.3M | 0.67% | −100,000−6.1% | Reduced |
| Vanguard Group Inc | 1,365,847 | $24.3M | 0.00% | +260,440+23.6% | Added |
| Franklin Resources Inc | 1,119,578 | $19.9M | 0.00% | −43,030−3.7% | Reduced |
| Vivo Capital, LLC | 1,035,551 | $18.4M | 1.19% | +1,035,551 | New |
| 72 Investment Holdings, LLC | 667,778 | $11.9M | 23.50% | 00.0% | Unchanged |
| Millennium Management LLC | 629,985 | $11.2M | 0.01% | +314,227+99.5% | Added |
| BlackRock, Inc. | 607,874 | $10.8M | 0.00% | +239,995+65.2% | Added |
| Ikarian Capital, LLC | 515,000 | $9.17M | 1.19% | +405,000+368.2% | Added |
| Alkeon Capital Management LLC | 477,101 | $8.49M | 0.04% | 00.0% | Unchanged |
| Northern Trust Corp | 474,373 | $8.44M | 0.00% | +13,088+2.8% | Added |
| Integral Health Asset Management, LLC | 375,000 | $6.67M | 0.34% | −25,000−6.3% | Reduced |
| Driehaus Capital Management LLC | 336,762 | $5.99M | 0.04% | +336,762 | New |
| Geode Capital Management, LLC | 287,435 | $5.12M | 0.00% | +49,535+20.8% | Added |
| Peapod Lane Capital LLC | 253,992 | $4.52M | 3.85% | −27,971−9.9% | Reduced |
| AWM Investment Company, Inc. | 225,000 | $4.00M | 0.39% | −55,483−19.8% | Reduced |
| Spruce Street Capital LP | 222,844 | $3.97M | 1.31% | +222,844 | New |
| Jane Street Group, LLC | 194,041 | $3.45M | 0.00% | +145,675+301.2% | Added |
| Marshall Wace, LLP | 193,109 | $3.44M | 0.00% | −632,116−76.6% | Reduced |
| Two Sigma Advisers, LP | 160,100 | $2.85M | 0.01% | +10,200+6.8% | Added |
| Goldman Sachs Group Inc | 156,319 | $2.78M | 0.00% | +66,068+73.2% | Added |
| Two Sigma Investments, LP | 140,317 | $2.50M | 0.00% | +23,738+20.4% | Added |
| Boothbay Fund Management, LLC | 139,304 | $2.48M | 0.07% | +106,832+329.0% | Added |
| State Street Corp | 130,665 | $2.33M | 0.00% | +27,480+26.6% | Added |
| OrbiMed Advisors LLC | 125,000 | $2.23M | 0.05% | −125,000−50.0% | Reduced |
| D. E. Shaw & Co., Inc. | 124,795 | $2.22M | 0.00% | +124,795 | New |
| Susquehanna International Group, LLP | 118,156 | $2.10M | 0.00% | −37,520−24.1% | Reduced |
| Qube Research & Technologies Ltd | 112,792 | $2.01M | 0.00% | +112,792 | New |
| Renaissance Technologies LLC | 97,399 | $1.73M | 0.00% | +21,627+28.5% | Added |
| Stifel Financial Corp | 87,164 | $1.55M | 0.00% | −34,836−28.6% | Reduced |
| Almitas Capital LLC | 78,520 | $1.40M | 0.31% | −116,625−59.8% | Reduced |
| Bridgeway Capital Management, LLC | 77,653 | $1.38M | 0.03% | 00.0% | Unchanged |
| Ieq Capital, LLC | 75,294 | $1.34M | 0.00% | +12,315+19.6% | Added |
| Wellington Management Group LLP | 69,016 | $1.23M | 0.00% | +69,016 | New |
| Morgan Stanley | 65,581 | $1.17M | 0.00% | +4,545+7.4% | Added |
| 683 Capital Management, LLC | 64,782 | $1.15M | 0.10% | +64,782 | New |
| Acadian Asset Management LLC | 57,546 | $1.02M | 0.00% | +43,023+296.2% | Added |
| AdvisorShares Investments LLC | 44,077 | $784.6K | 0.13% | +44,077 | New |
| Allianz Asset Management GmbH | 43,000 | $765.4K | 0.00% | +6,000+16.2% | Added |
| Quantinno Capital Management LP | 35,579 | $633.3K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 34,789 | $619.2K | 0.00% | +34,789 | New |
| SCS Capital Management LLC | 33,389 | $594.3K | 0.01% | −33,388−50.0% | Reduced |
| BNP Paribas Arbitrage, SA | 33,235 | $591.6K | 0.00% | +32,721+6,366.0% | Added |
| Dimensional Fund Advisors LP | 31,176 | $554.9K | 0.00% | +31,176 | New |
| Barclays PLC | 30,392 | $541.0K | 0.00% | +30,350+72,261.9% | Added |
| Price T Rowe Associates Inc | 30,228 | $539.0K | 0.00% | −29,200−49.1% | Reduced |
| Artia Global Partners LP | 29,192 | $519.6K | 0.08% | +29,192 | New |
| Citizens Financial Group Inc | 28,190 | $501.8K | 0.01% | −11,810−29.5% | Reduced |
| Alps Advisors Inc | 25,505 | $454.0K | 0.00% | +25,505 | New |
| Brown Advisory Inc | 25,000 | $445.0K | 0.00% | 00.0% | Unchanged |
| University of Texas/Texas Am Investment Managment Co | 22,175 | $394.7K | 0.06% | 00.0% | Unchanged |
| XTX Topco Ltd | 20,824 | $370.7K | 0.01% | +5,078+32.2% | Added |
| AlphaCore Capital LLC | 20,000 | $356.0K | 0.01% | +10,000+100.0% | Added |
| ExodusPoint Capital Management, LP | 18,786 | $334.4K | 0.00% | +18,786 | New |
| UBS Group AG | 18,489 | $329.1K | 0.00% | −120,542−86.7% | Reduced |
| Charles Schwab Investment Management Inc | 17,064 | $303.7K | 0.00% | +17,064 | New |
| JustInvest LLC | 16,485 | $293.4K | 0.00% | −560−3.3% | Reduced |
| Ameriprise Financial Inc | 13,487 | $240.1K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 12,973 | $230.9K | 0.00% | −24,179−65.1% | Reduced |
| Citigroup Inc | 12,566 | $223.7K | 0.00% | +12,566 | New |
| Omers Administration Corp | 12,400 | $220.7K | 0.00% | +12,400 | New |
| Bank of Montreal | 11,355 | $202.1K | 0.00% | +13+0.1% | Added |
| Balyasny Asset Management LLC | 11,120 | $197.9K | 0.00% | +11,120 | New |
| Bank of America Corp | 11,092 | $197.4K | 0.00% | +10,968+8,845.2% | Added |
| American Century Companies Inc | 10,360 | $184.4K | 0.00% | +10,360 | New |
| FMR LLC | 6,374 | $113.5K | 0.00% | −1,302−17.0% | Reduced |
| Quest Partners LLC | 3,821 | $68.0K | 0.00% | +3,821 | New |
| Torren Management, LLC | 3,484 | $62.0K | 0.03% | +3,484 | New |
| Rothschild Investment LLC | 2,885 | $51.4K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 2,482 | $37.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,987 | $35.4K | 0.00% | −403−16.9% | Reduced |
| Group One Trading, L.P. | 1,413 | $25.2K | 0.00% | −1,245−46.8% | Reduced |
| The PNC Financial Services Group, Inc. | 1,307 | $23.3K | 0.00% | −159−10.8% | Reduced |
| Signaturefd, LLC | 1,065 | $19.0K | 0.00% | +1,065 | New |
| Federated Hermes, Inc. | 770 | $13.7K | 0.00% | −2,577−77.0% | Reduced |
| Wells Fargo & Company | 765 | $13.6K | 0.00% | +765 | New |
| EverSource Wealth Advisors, LLC | 661 | $11.8K | 0.00% | −64−8.8% | Reduced |
| Fortitude Family Office, LLC | 511 | $9.10K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 338 | $6.02K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 306 | $5.45K | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 174 | $3.10K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 154 | $3.00K | 0.00% | −770−83.3% | Reduced |
| Global Retirement Partners, LLC | 150 | $2.67K | 0.00% | +150 | New |
| JPMorgan Chase & Co | 146 | $2.60K | 0.00% | +146 | New |
| US Bancorp | 113 | $2.01K | 0.00% | +113 | New |
| Cornerstone Financial Management LLC | 69 | $1.23K | 0.00% | +69 | New |
| Royal Bank of Canada | 34 | $1.00K | 0.00% | −161−82.6% | Reduced |
| Jones Financial Companies LLLP | 33 | $587 | 0.00% | +33 | New |
| Farther Finance Advisors, LLC | 31 | $552 | 0.00% | +31 | New |
| SHP Wealth Management | 25 | $445 | 0.00% | +25 | New |
| Optiver Holding B.V. | 20 | $356 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 12 | $214 | 0.00% | +9+300.0% | Added |
| SRS Capital Advisors, Inc. | 5 | $89 | 0.00% | −37−88.1% | Reduced |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −30,412−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −22,816−100.0% | Sold out |
| Bowie Capital Management, LLC | 0 | $0 | 0.00% | −19,484−100.0% | Sold out |