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, Q1 2026
Institutional positions in Alto Neuroscience, Inc. as of Mar 31, 2026. 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
- 110
- +15 vs. Q4 2025
- Shares held
- 26.8M
- +3.71M (+16.0%) vs. Q4 2025
- Total value
- $602.5M
- +$190.9M (+46.4%) vs. Q4 2025
- New holders
- 25
- 27 more added
- Sold out
- 10
- 43 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Alto Neuroscience, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Falcon Edge Capital, LP | 3,707,757 | $83.4M | 10.54% | 00.0% | Unchanged |
| Commodore Capital LP | 2,723,196 | $61.2M | 3.54% | +900,000+49.4% | Added |
| Vestal Point Capital, LP | 2,064,075 | $46.4M | 1.30% | −420,925−16.9% | Reduced |
| Perceptive Advisors LLC | 2,009,893 | $45.2M | 0.89% | +225,500+12.6% | Added |
| Spruce Street Capital LP | 1,325,210 | $29.1M | 7.00% | +1,102,366+494.7% | Added |
| Vanguard Capital Management LLC | 1,207,025 | $27.1M | 0.00% | +1,207,025 | New |
| Franklin Resources Inc | 1,101,874 | $24.8M | 0.01% | −17,704−1.6% | Reduced |
| Vivo Capital, LLC | 1,035,551 | $23.3M | 1.94% | 00.0% | Unchanged |
| Armistice Capital, LLC | 912,000 | $20.5M | 0.68% | −624,000−40.6% | Reduced |
| Millennium Management LLC | 821,982 | $18.5M | 0.01% | +191,997+30.5% | Added |
| 72 Investment Holdings, LLC | 667,778 | $15.0M | 30.26% | 00.0% | Unchanged |
| BlackRock, Inc. | 666,188 | $15.0M | 0.00% | +58,314+9.6% | Added |
| Ikarian Capital, LLC | 515,000 | $11.6M | 1.66% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 503,087 | $11.3M | 0.02% | −1,103,867−68.7% | Reduced |
| Integral Health Asset Management, LLC | 500,000 | $11.2M | 0.59% | +125,000+33.3% | Added |
| VR Adviser, LLC | 500,000 | $11.2M | 0.42% | +500,000 | New |
| Affinity Asset Advisors, LLC | 500,000 | $11.2M | 0.66% | +500,000 | New |
| Driehaus Capital Management LLC | 486,726 | $10.9M | 0.08% | +149,964+44.5% | Added |
| Northern Trust Corp | 473,403 | $10.6M | 0.00% | −970−0.2% | Reduced |
| Jennison Associates LLC | 386,426 | $8.69M | 0.01% | +386,426 | New |
| Adage Capital Partners GP, L.L.C. | 385,000 | $8.65M | 0.01% | +385,000 | New |
| Price T Rowe Associates Inc | 371,208 | $8.35M | 0.00% | +340,980+1,128.0% | Added |
| Geode Capital Management, LLC | 292,899 | $6.59M | 0.00% | +5,464+1.9% | Added |
| Susquehanna International Group, LLP | 238,498 | $5.36M | 0.01% | +120,342+101.9% | Added |
| Alkeon Capital Management LLC | 227,101 | $5.11M | 0.02% | −250,000−52.4% | Reduced |
| Two Sigma Investments, LP | 216,099 | $4.86M | 0.00% | +75,782+54.0% | Added |
| Qube Research & Technologies Ltd | 209,268 | $4.70M | 0.01% | +96,476+85.5% | Added |
| State Street Corp | 199,503 | $4.48M | 0.00% | +68,838+52.7% | Added |
| Marshall Wace, LLP | 176,347 | $3.96M | 0.00% | −16,762−8.7% | Reduced |
| AWM Investment Company, Inc. | 170,000 | $3.82M | 0.42% | −55,000−24.4% | Reduced |
| OrbiMed Advisors LLC | 167,500 | $3.77M | 0.09% | +42,500+34.0% | Added |
| Vanguard Fiduciary Trust Co | 165,272 | $3.72M | 0.00% | +165,272 | New |
| Boothbay Fund Management, LLC | 139,304 | $3.13M | 0.07% | 00.0% | Unchanged |
| Eversept Partners, LP | 125,168 | $2.81M | 0.19% | +125,168 | New |
| Goldman Sachs Group Inc | 104,717 | $2.35M | 0.00% | −51,602−33.0% | Reduced |
| Renaissance Technologies LLC | 103,499 | $2.33M | 0.00% | +6,100+6.3% | Added |
| Saturn V Capital Management LLC | 88,999 | $2.00M | 0.36% | +88,999 | New |
| Stifel Financial Corp | 86,335 | $1.94M | 0.00% | −829−1.0% | Reduced |
| Almitas Capital LLC | 78,520 | $1.77M | 0.40% | 00.0% | Unchanged |
| Morgan Stanley | 68,654 | $1.54M | 0.00% | +3,073+4.7% | Added |
| Acadian Asset Management LLC | 60,076 | $1.35M | 0.00% | +2,530+4.4% | Added |
| Wellington Management Group LLP | 59,799 | $1.34M | 0.00% | −9,217−13.4% | Reduced |
| Bridgeway Capital Management, LLC | 52,653 | $1.18M | 0.02% | −25,000−32.2% | Reduced |
| D. E. Shaw & Co., Inc. | 45,343 | $1.02M | 0.00% | −79,452−63.7% | Reduced |
| TD Asset Management Inc | 43,800 | $984.6K | 0.00% | +43,800 | New |
| Hudson Bay Capital Management LP | 43,762 | $983.8K | 0.01% | +8,973+25.8% | Added |
| AdvisorShares Investments LLC | 41,023 | $922.2K | 0.17% | −3,054−6.9% | Reduced |
| 683 Capital Management, LLC | 40,000 | $899.2K | 0.08% | −24,782−38.3% | Reduced |
| XTX Topco Ltd | 39,841 | $895.6K | 0.02% | +19,017+91.3% | Added |
| Dimensional Fund Advisors LP | 39,324 | $884.0K | 0.00% | +8,148+26.1% | Added |
| Brevan Howard Capital Management LP | 38,782 | $871.8K | 0.01% | +38,782 | New |
| Quantinno Capital Management LP | 36,069 | $810.8K | 0.00% | +490+1.4% | Added |
| Balyasny Asset Management LLC | 32,111 | $721.9K | 0.00% | +20,991+188.8% | Added |
| Jane Street Group, LLC | 30,058 | $675.7K | 0.00% | −163,983−84.5% | Reduced |
| Squarepoint Ops LLC | 29,961 | $673.5K | 0.00% | +29,961 | New |
| Allianz Asset Management GmbH | 28,500 | $640.7K | 0.00% | −14,500−33.7% | Reduced |
| Bank of America Corp | 25,677 | $577.2K | 0.00% | +14,585+131.5% | Added |
| Alps Advisors Inc | 25,288 | $568.5K | 0.00% | −217−0.9% | Reduced |
| Barclays PLC | 25,036 | $562.8K | 0.00% | −5,356−17.6% | Reduced |
| Brown Advisory Inc | 25,000 | $562.0K | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 23,945 | $538.3K | 0.01% | +23,945 | New |
| Manufacturers Life Insurance Company, The | 23,747 | $533.8K | 0.00% | +23,747 | New |
| Ieq Capital, LLC | 23,727 | $533.4K | 0.00% | −51,567−68.5% | Reduced |
| University of Texas/Texas Am Investment Managment Co | 22,175 | $498.5K | 0.07% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 18,083 | $406.5K | 0.03% | +18,083 | New |
| UBS Group AG | 17,250 | $387.8K | 0.00% | −1,239−6.7% | Reduced |
| Revisor Wealth Management LLC | 17,130 | $385.1K | 0.11% | +17,130 | New |
| Charles Schwab Investment Management Inc | 17,018 | $382.6K | 0.00% | −46−0.3% | Reduced |
| SCS Capital Management LLC | 16,840 | $378.6K | 0.00% | −16,549−49.6% | Reduced |
| Polen Capital Management LLC | 16,613 | $373.5K | 0.00% | +16,613 | New |
| JustInvest LLC | 15,646 | $351.7K | 0.00% | −839−5.1% | Reduced |
| American Century Companies Inc | 14,186 | $318.9K | 0.00% | +3,826+36.9% | Added |
| Toronto Dominion Bank | 13,434 | $302.0K | 0.00% | +13,434 | New |
| Ameriprise Financial Inc | 13,324 | $299.5K | 0.00% | −163−1.2% | Reduced |
| Clearstead Advisors, LLC | 13,312 | $299.3K | 0.00% | +13,312 | New |
| Catalyst Funds Management Pty Ltd | 11,400 | $256.3K | 0.04% | +11,400 | New |
| Bank of Montreal | 11,343 | $255.0K | 0.00% | −12−0.1% | Reduced |
| Vanguard Global Advisers, LLC | 10,649 | $239.4K | 0.00% | +10,649 | New |
| Diametric Capital, LP | 10,315 | $231.9K | 0.06% | +10,315 | New |
| Omers Administration Corp | 9,700 | $218.1K | 0.00% | −2,700−21.8% | Reduced |
| Citigroup Inc | 9,430 | $212.0K | 0.00% | −3,136−25.0% | Reduced |
| FMR LLC | 6,314 | $141.9K | 0.00% | −60−0.9% | Reduced |
| Whittier Trust Co of Nevada Inc | 2,482 | $55.9K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 1,685 | $37.9K | 0.00% | −1,200−41.6% | Reduced |
| The PNC Financial Services Group, Inc. | 1,206 | $27.1K | 0.00% | −101−7.7% | Reduced |
| Advisory Services Network, LLC | 802 | $18.0K | 0.00% | +802 | New |
| Wells Fargo & Company | 790 | $17.8K | 0.00% | +25+3.3% | Added |
| Federated Hermes, Inc. | 654 | $14.7K | 0.00% | −116−15.1% | Reduced |
| EverSource Wealth Advisors, LLC | 628 | $14.1K | 0.00% | −33−5.0% | Reduced |
| Torren Management, LLC | 558 | $12.5K | 0.01% | −2,926−84.0% | Reduced |
| Jones Financial Companies LLLP | 533 | $10.9K | 0.00% | +500+1,515.2% | Added |
| Simplex Trading, LLC | 450 | $10.1K | 0.00% | +450 | New |
| Group One Trading, L.P. | 400 | $8.99K | 0.00% | −1,013−71.7% | Reduced |
| Nisa Investment Advisors, LLC | 338 | $7.60K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 314 | $7.06K | 0.00% | −32,921−99.1% | Reduced |
| Russell Investments Group, Ltd. | 306 | $6.88K | 0.00% | 00.0% | Unchanged |
| Accent Capital Management, LLC | 275 | $6.18K | 0.00% | +275 | New |
| US Bancorp | 110 | $2.47K | 0.00% | −3−2.7% | Reduced |
| CWM, LLC | 102 | $2.29K | 0.00% | −52−33.8% | Reduced |
| Cornerstone Financial Management LLC | 69 | $1.55K | 0.00% | 00.0% | Unchanged |