Alto NeuroscienceANRO
13F holders, Q1 2026 (March 31)110holders +13
22new positions
8sold out
4famous investors
$22.45avg. 13F price*
At the end of Q1 2026, 110 institutions reported holding Alto Neuroscience Inc. (ANRO) in their 13F filings, up 13 from Q4 2025. 22 opened new positions and 8 sold out. The largest holders were Alpha Wave Global, LP ($83.4M), Commodore Capital LP ($61.2M) and Vestal Point Capital, LP ($46.4M). 4 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Alto Neuroscience Inc.
- CUSIP
- 02157Q109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 22 | $50.5M |
| Exits | 8 | $6.5M |
All 13F filers, Q4 2025 → Q1 2026: 5,839,433 shares bought and 3,348,796 shares sold, net +2,490,637 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 110 holders
| Alpha Wave Global, LP | 10.54% | No change | 3,707,757 | $83.4M |
| Commodore Capital LP | 3.54% | Add +49.4% | 2,723,196 | $61.2M |
| Vestal Point Capital, LP | 1.30% | Reduce -16.9% | 2,064,075 | $46.4M |
| Perceptive Advisors LLC | 0.90% | Add +12.6% | 2,009,893 | $45.2M |
| Spruce Street Capital LP | 7.00% | Add +494.7% | 1,325,210 | $29.1M |
| Vanguard Capital Management LLC | 0.00% | — | 1,207,025 | $27.1M |
| Franklin Resources Inc. | 0.01% | Reduce -1.6% | 1,101,874 | $24.8M |
| Vivo Capital, LLC | 1.94% | No change | 1,035,551 | $23.3M |
| Armistice Capital, LLC | 0.68% | Reduce -40.6% | 912,000 | $20.5M |
| Millennium Management | 0.01% | Add +30.5% | 821,982 | $18.5M |
| 72 Investment Holdings, LLC | 30.26% | No change | 667,778 | $15.0M |
| BlackRock, Inc. | 0.00% | Add +9.6% | 666,188 | $15.0M |
| Ikarian Capital, LLC | 1.66% | No change | 515,000 | $11.6M |
| Point72 Asset Management | 0.02% | Reduce -68.7% | 503,087 | $11.3M |
| Affinity Asset Advisors, LLC | 0.67% | New | 500,000 | $11.2M |
| Integral Health Asset Management, LLC | 0.59% | Add +33.3% | 500,000 | $11.2M |
| Venrock Adviser, LLC | 0.42% | New | 500,000 | $11.2M |
| Driehaus Capital Management LLC | 0.08% | Add +44.5% | 486,726 | $10.9M |
| Northern Trust Corp. | 0.00% | Reduce -0.2% | 473,403 | $10.6M |
| Jennison Associates LLC | 0.01% | New | 386,426 | $8.7M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | New | 385,000 | $8.7M |
| T. Rowe Price Associates Inc. | 0.00% | Add +1128.0% | 371,208 | $8.3M |
| Geode Capital Management, LLC | 0.00% | Add +1.9% | 292,899 | $6.6M |
| Susquehanna International Group, LLP | 0.01% | Add +101.8% | 238,498 | $5.4M |
| Alkeon Capital Management LLC | 0.02% | Reduce -52.4% | 227,101 | $5.1M |
| Two Sigma Investments, LP | 0.00% | Add +54.0% | 216,099 | $4.9M |
| Qube Research & Technologies Ltd | 0.01% | Add +85.5% | 209,268 | $4.7M |
| State Street Corp. | 0.00% | Add +52.7% | 199,503 | $4.5M |
| Marshall Wace, LLP | 0.00% | Reduce -8.7% | 176,347 | $4.0M |
| AWM Investment Company, Inc. | 0.42% | Reduce -24.4% | 170,000 | $3.8M |
| Orbimed Advisors LLC | 0.09% | Add +34.0% | 167,500 | $3.8M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 165,272 | $3.7M |
| Boothbay Fund Management, LLC | 0.07% | No change | 139,304 | $3.1M |
| Eversept Partners, LP | 0.19% | New | 125,168 | $2.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -33.0% | 104,717 | $2.4M |
| Renaissance Technologies | 0.00% | Add +6.3% | 103,499 | $2.3M |
| Saturn V Capital Management LP | 0.36% | New | 88,999 | $2.0M |
| Stifel Financial Corp. | 0.00% | Reduce -0.9% | 86,335 | $1.9M |
| Almitas Capital LLC | 0.40% | No change | 78,520 | $1.8M |
| Morgan Stanley | 0.00% | Add +4.7% | 68,654 | $1.5M |
| Acadian Asset Management LLC | 0.00% | Add +4.4% | 60,076 | $1.3M |
| Wellington Management Group LLP | 0.00% | Reduce -13.3% | 59,799 | $1.3M |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -32.2% | 52,653 | $1.2M |
| D. E. Shaw & Co. | 0.00% | Reduce -63.7% | 45,343 | $1.0M |
| TD Asset Management Inc | 0.00% | New | 43,800 | $985K |
| Hudson Bay Capital Management LP | 0.01% | Add +25.8% | 43,762 | $984K |
| AdvisorShares Investments LLC | 0.17% | Reduce -6.9% | 41,023 | $922K |
| 683 Capital Management, LLC | 0.09% | Reduce -38.3% | 40,000 | $899K |
| XTX Topco Ltd | 0.02% | Add +91.3% | 39,841 | $896K |
| Dimensional Fund Advisors LP | 0.00% | Add +26.1% | 39,324 | $884K |
| Brevan Howard Capital Management LP | 0.01% | New | 38,782 | $872K |
| Quantinno Capital Management LP | 0.00% | Add +1.4% | 36,069 | $811K |
| Balyasny Asset Management L.P. | 0.00% | Add +188.8% | 32,111 | $722K |
| Jane Street Group, LLC | 0.00% | Reduce -84.5% | 30,058 | $676K |
| Squarepoint Ops LLC | 0.00% | New | 29,961 | $674K |
| Allianz Asset Management GmbH | 0.00% | Reduce -33.7% | 28,500 | $641K |
| Bank of America Corp. | 0.00% | Add +131.5% | 25,677 | $577K |
| Alps Advisors Inc. | 0.00% | Reduce -0.8% | 25,288 | $568K |
| Barclays PLC | 0.00% | Reduce -17.6% | 25,036 | $563K |
| Brown Advisory Inc. | 0.00% | No change | 25,000 | $562K |
| Y-Intercept (Hong Kong) Ltd | 0.01% | New | 23,945 | $538K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 23,747 | $534K |
| Ieq Capital, LLC | 0.00% | Reduce -68.5% | 23,727 | $533K |
| University of Texas/Texas Am Investment Management Co. | 0.07% | No change | 22,175 | $498K |
| Landscape Capital Management, L.L.C. | 0.03% | New | 18,083 | $407K |
| UBS Group AG | 0.00% | Reduce -6.7% | 17,250 | $388K |
| Revisor Wealth Management LLC | 0.11% | New | 17,130 | $385K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.3% | 17,018 | $383K |
| SCS Capital Management LLC | 0.00% | Reduce -49.6% | 16,840 | $379K |
| Polen Capital Management LLC | 0.00% | New | 16,613 | $373K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -5.1% | 15,646 | $352K |
| American Century Companies Inc. | 0.00% | Add +36.9% | 14,186 | $319K |
| Toronto Dominion Bank | 0.00% | New | 13,434 | $302K |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.2% | 13,324 | $300K |
| Clearstead Advisors, LLC | 0.00% | New | 13,312 | $299K |
| Catalyst Funds Management Pty Ltd | 0.04% | New | 11,400 | $256K |
| Bank of Montreal | 0.00% | Reduce -0.1% | 11,343 | $255K |
| Vanguard Global Advisers, LLC | 0.00% | — | 10,649 | $239K |
| Diametric Capital, LP | 0.06% | New | 10,315 | $232K |
| OMERS ADMINISTRATION Corp | 0.00% | Reduce -21.8% | 9,700 | $218K |
| Citigroup Inc. | 0.00% | Reduce -25.0% | 9,430 | $212K |
| FMR LLC | 0.00% | Reduce -0.9% | 6,314 | $142K |
| Whittier Trust Co. of Nevada Inc. | 0.00% | No change | 2,482 | $56K |
| Rothschild Investment LLC | 0.00% | Reduce -41.6% | 1,685 | $38K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -7.7% | 1,206 | $27K |
| Advisory Services Network, LLC | 0.00% | New | 802 | $18K |
| Wells Fargo & Company | 0.00% | Add +3.3% | 790 | $18K |
| Federated Hermes, Inc. | 0.00% | Reduce -15.1% | 654 | $15K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -5.0% | 628 | $14K |
| Torren Management, LLC | 0.01% | Reduce -84.0% | 558 | $13K |
| Jones Financial Companies LLLP | 0.00% | Add +1515.2% | 533 | $11K |
| Simplex Trading, LLC | 0.00% | New | 450 | $10K |
| Group One Trading LLC | 0.00% | Reduce -71.7% | 400 | $9K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 338 | $8K |
| BNP Paribas Financial Markets | 0.00% | Reduce -99.1% | 314 | $7K |
| Russell Investments Group, Ltd. | 0.00% | No change | 306 | $7K |
| Accent Capital Management, LLC | 0.00% | New | 275 | $6K |
| US Bancorp \de | 0.00% | Reduce -2.6% | 110 | $2K |
| Cwm, LLC | 0.00% | Reduce -33.8% | 102 | $2K |
| Cornerstone Financial Management LLC | 0.00% | No change | 69 | $2K |
"% of holder's portfolio" is ANRO's weight in each manager's 13F, not the share of Alto Neuroscience Inc. the manager owns.