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 |
|---|---|---|---|---|---|
| SRS Capital Advisors, Inc. | 5 | $89 | 0.00% | −37−88.1% | Reduced |
| SBI Securities Co., Ltd. | 12 | $214 | 0.00% | +9+300.0% | Added |
| Optiver Holding B.V. | 20 | $356 | 0.00% | 00.0% | Unchanged |
| SHP Wealth Management | 25 | $445 | 0.00% | +25 | New |
| Farther Finance Advisors, LLC | 31 | $552 | 0.00% | +31 | New |
| Jones Financial Companies LLLP | 33 | $587 | 0.00% | +33 | New |
| Royal Bank of Canada | 34 | $1.00K | 0.00% | −161−82.6% | Reduced |
| Cornerstone Financial Management LLC | 69 | $1.23K | 0.00% | +69 | New |
| US Bancorp | 113 | $2.01K | 0.00% | +113 | New |
| JPMorgan Chase & Co | 146 | $2.60K | 0.00% | +146 | New |
| Global Retirement Partners, LLC | 150 | $2.67K | 0.00% | +150 | New |
| CWM, LLC | 154 | $3.00K | 0.00% | −770−83.3% | Reduced |
| North Star Investment Management Corp. | 174 | $3.10K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 306 | $5.45K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 338 | $6.02K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 511 | $9.10K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 661 | $11.8K | 0.00% | −64−8.8% | Reduced |
| Wells Fargo & Company | 765 | $13.6K | 0.00% | +765 | New |
| Federated Hermes, Inc. | 770 | $13.7K | 0.00% | −2,577−77.0% | Reduced |
| Signaturefd, LLC | 1,065 | $19.0K | 0.00% | +1,065 | New |
| The PNC Financial Services Group, Inc. | 1,307 | $23.3K | 0.00% | −159−10.8% | Reduced |
| Group One Trading, L.P. | 1,413 | $25.2K | 0.00% | −1,245−46.8% | Reduced |
| Tower Research Capital LLC (TRC) | 1,987 | $35.4K | 0.00% | −403−16.9% | Reduced |
| Whittier Trust Co of Nevada Inc | 2,482 | $37.4K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 2,885 | $51.4K | 0.00% | 00.0% | Unchanged |
| Torren Management, LLC | 3,484 | $62.0K | 0.03% | +3,484 | New |
| Quest Partners LLC | 3,821 | $68.0K | 0.00% | +3,821 | New |
| FMR LLC | 6,374 | $113.5K | 0.00% | −1,302−17.0% | Reduced |
| American Century Companies Inc | 10,360 | $184.4K | 0.00% | +10,360 | New |
| Bank of America Corp | 11,092 | $197.4K | 0.00% | +10,968+8,845.2% | Added |
| Balyasny Asset Management LLC | 11,120 | $197.9K | 0.00% | +11,120 | New |
| Bank of Montreal | 11,355 | $202.1K | 0.00% | +13+0.1% | Added |
| Omers Administration Corp | 12,400 | $220.7K | 0.00% | +12,400 | New |
| Citigroup Inc | 12,566 | $223.7K | 0.00% | +12,566 | New |
| Citadel Advisors LLC | 12,973 | $230.9K | 0.00% | −24,179−65.1% | Reduced |
| Ameriprise Financial Inc | 13,487 | $240.1K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 16,485 | $293.4K | 0.00% | −560−3.3% | Reduced |
| Charles Schwab Investment Management Inc | 17,064 | $303.7K | 0.00% | +17,064 | New |
| UBS Group AG | 18,489 | $329.1K | 0.00% | −120,542−86.7% | Reduced |
| ExodusPoint Capital Management, LP | 18,786 | $334.4K | 0.00% | +18,786 | New |
| AlphaCore Capital LLC | 20,000 | $356.0K | 0.01% | +10,000+100.0% | Added |
| XTX Topco Ltd | 20,824 | $370.7K | 0.01% | +5,078+32.2% | Added |
| University of Texas/Texas Am Investment Managment Co | 22,175 | $394.7K | 0.06% | 00.0% | Unchanged |
| Brown Advisory Inc | 25,000 | $445.0K | 0.00% | 00.0% | Unchanged |
| Alps Advisors Inc | 25,505 | $454.0K | 0.00% | +25,505 | New |
| Citizens Financial Group Inc | 28,190 | $501.8K | 0.01% | −11,810−29.5% | Reduced |
| Artia Global Partners LP | 29,192 | $519.6K | 0.08% | +29,192 | New |
| Price T Rowe Associates Inc | 30,228 | $539.0K | 0.00% | −29,200−49.1% | Reduced |
| Barclays PLC | 30,392 | $541.0K | 0.00% | +30,350+72,261.9% | Added |
| Dimensional Fund Advisors LP | 31,176 | $554.9K | 0.00% | +31,176 | New |
| BNP Paribas Arbitrage, SA | 33,235 | $591.6K | 0.00% | +32,721+6,366.0% | Added |
| SCS Capital Management LLC | 33,389 | $594.3K | 0.01% | −33,388−50.0% | Reduced |
| Hudson Bay Capital Management LP | 34,789 | $619.2K | 0.00% | +34,789 | New |
| Quantinno Capital Management LP | 35,579 | $633.3K | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 43,000 | $765.4K | 0.00% | +6,000+16.2% | Added |
| AdvisorShares Investments LLC | 44,077 | $784.6K | 0.13% | +44,077 | New |
| Acadian Asset Management LLC | 57,546 | $1.02M | 0.00% | +43,023+296.2% | Added |
| 683 Capital Management, LLC | 64,782 | $1.15M | 0.10% | +64,782 | New |
| Morgan Stanley | 65,581 | $1.17M | 0.00% | +4,545+7.4% | Added |
| Wellington Management Group LLP | 69,016 | $1.23M | 0.00% | +69,016 | New |
| Ieq Capital, LLC | 75,294 | $1.34M | 0.00% | +12,315+19.6% | Added |
| Bridgeway Capital Management, LLC | 77,653 | $1.38M | 0.03% | 00.0% | Unchanged |
| Almitas Capital LLC | 78,520 | $1.40M | 0.31% | −116,625−59.8% | Reduced |
| Stifel Financial Corp | 87,164 | $1.55M | 0.00% | −34,836−28.6% | Reduced |
| Renaissance Technologies LLC | 97,399 | $1.73M | 0.00% | +21,627+28.5% | Added |
| Qube Research & Technologies Ltd | 112,792 | $2.01M | 0.00% | +112,792 | New |
| Susquehanna International Group, LLP | 118,156 | $2.10M | 0.00% | −37,520−24.1% | Reduced |
| D. E. Shaw & Co., Inc. | 124,795 | $2.22M | 0.00% | +124,795 | New |
| OrbiMed Advisors LLC | 125,000 | $2.23M | 0.05% | −125,000−50.0% | Reduced |
| State Street Corp | 130,665 | $2.33M | 0.00% | +27,480+26.6% | Added |
| Boothbay Fund Management, LLC | 139,304 | $2.48M | 0.07% | +106,832+329.0% | Added |
| Two Sigma Investments, LP | 140,317 | $2.50M | 0.00% | +23,738+20.4% | Added |
| Goldman Sachs Group Inc | 156,319 | $2.78M | 0.00% | +66,068+73.2% | Added |
| Two Sigma Advisers, LP | 160,100 | $2.85M | 0.01% | +10,200+6.8% | Added |
| Marshall Wace, LLP | 193,109 | $3.44M | 0.00% | −632,116−76.6% | Reduced |
| Jane Street Group, LLC | 194,041 | $3.45M | 0.00% | +145,675+301.2% | Added |
| Spruce Street Capital LP | 222,844 | $3.97M | 1.31% | +222,844 | New |
| AWM Investment Company, Inc. | 225,000 | $4.00M | 0.39% | −55,483−19.8% | Reduced |
| Peapod Lane Capital LLC | 253,992 | $4.52M | 3.85% | −27,971−9.9% | Reduced |
| Geode Capital Management, LLC | 287,435 | $5.12M | 0.00% | +49,535+20.8% | Added |
| Driehaus Capital Management LLC | 336,762 | $5.99M | 0.04% | +336,762 | New |
| Integral Health Asset Management, LLC | 375,000 | $6.67M | 0.34% | −25,000−6.3% | Reduced |
| Northern Trust Corp | 474,373 | $8.44M | 0.00% | +13,088+2.8% | Added |
| Alkeon Capital Management LLC | 477,101 | $8.49M | 0.04% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 515,000 | $9.17M | 1.19% | +405,000+368.2% | Added |
| BlackRock, Inc. | 607,874 | $10.8M | 0.00% | +239,995+65.2% | Added |
| Millennium Management LLC | 629,985 | $11.2M | 0.01% | +314,227+99.5% | Added |
| 72 Investment Holdings, LLC | 667,778 | $11.9M | 23.50% | 00.0% | Unchanged |
| Vivo Capital, LLC | 1,035,551 | $18.4M | 1.19% | +1,035,551 | New |
| Franklin Resources Inc | 1,119,578 | $19.9M | 0.00% | −43,030−3.7% | Reduced |
| Vanguard Group Inc | 1,365,847 | $24.3M | 0.00% | +260,440+23.6% | Added |
| Armistice Capital, LLC | 1,536,000 | $27.3M | 0.67% | −100,000−6.1% | Reduced |
| Point72 Asset Management, L.P. | 1,606,954 | $28.6M | 0.04% | +274,517+20.6% | Added |
| Perceptive Advisors LLC | 1,784,393 | $31.8M | 0.58% | +1,629,027+1,048.5% | Added |
| Commodore Capital LP | 1,823,196 | $32.5M | 2.16% | +1,823,196 | New |
| Vestal Point Capital, LP | 2,485,000 | $44.2M | 1.62% | +1,535,000+161.6% | Added |
| Falcon Edge Capital, LP | 3,707,757 | $66.0M | 8.09% | 00.0% | Unchanged |
| 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 |