Alto NeuroscienceANRO
13F holders, Q2 2026 (June 30)114holders +4
27new positions
22sold out
3famous investors
$26.39avg. 13F price*
At the end of Q2 2026, 114 institutions reported holding Alto Neuroscience Inc. (ANRO) in their 13F filings, up 4 from Q1 2026. 27 opened new positions and 22 sold out. The largest holders were Alpha Wave Global, LP ($97.8M), Commodore Capital LP ($71.9M) and BlackRock, Inc. ($56.0M). 3 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 Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 27 | $32.1M |
| Exits | 22 | $23.0M |
All 13F filers, Q1 2026 → Q2 2026: 6,499,567 shares bought and 3,859,599 shares sold, net +2,639,968 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 114 holders
| Alpha Wave Global, LP | 1.57% | No change | 3,707,757 | $97.8M |
| Commodore Capital LP | 4.28% | No change | 2,723,196 | $71.9M |
| BlackRock, Inc. | 0.00% | Add +218.4% | 2,121,009 | $56.0M |
| Perceptive Advisors LLC | 0.66% | Reduce -19.9% | 1,609,893 | $42.5M |
| Adage Capital Partners Gp, L.L.C. | 0.06% | Add +315.6% | 1,600,000 | $42.2M |
| Vanguard Capital Management LLC | 0.00% | Add +15.1% | 1,389,477 | $36.7M |
| Spruce Street Capital LP | 7.01% | Add +2.1% | 1,353,047 | $35.7M |
| Vivo Capital, LLC | 2.91% | Add +16.7% | 1,208,858 | $31.9M |
| Franklin Resources Inc. | 0.01% | Reduce -8.0% | 1,013,307 | $26.7M |
| Armistice Capital, LLC | 0.63% | Reduce -5.3% | 864,000 | $22.8M |
| Affinity Asset Advisors, LLC | 1.12% | Add +70.0% | 850,000 | $22.4M |
| Vestal Point Capital, LP | 0.48% | Reduce -62.0% | 785,000 | $20.7M |
| State Street Corp. | 0.00% | Add +243.8% | 685,945 | $18.1M |
| Geode Capital Management, LLC | 0.00% | Add +131.6% | 678,199 | $17.9M |
| 72 Investment Holdings, LLC | 35.27% | No change | 667,778 | $17.6M |
| Northern Trust Corp. | 0.00% | Add +33.6% | 632,701 | $16.7M |
| Millennium Management | 0.01% | Reduce -32.1% | 558,320 | $14.7M |
| Point72 Asset Management | 0.02% | Reduce -0.0% | 502,950 | $13.3M |
| Integral Health Asset Management, LLC | 0.54% | No change | 500,000 | $13.2M |
| Venrock Adviser, LLC | 0.40% | No change | 500,000 | $13.2M |
| Driehaus Capital Management LLC | 0.07% | Add +0.2% | 487,576 | $12.9M |
| Parkman Healthcare Partners LLC | 1.16% | New | 429,035 | $11.3M |
| Ikarian Capital, LLC | 1.76% | Reduce -20.9% | 407,338 | $10.7M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -3.5% | 358,279 | $9.5M |
| Orbimed Advisors LLC | 0.13% | Add +53.9% | 257,852 | $6.8M |
| Schonfeld Strategic Advisors LLC | 0.04% | New | 257,631 | $6.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +126.2% | 236,830 | $6.2M |
| Marshall Wace, LLP | 0.01% | Add +27.9% | 225,503 | $6.0M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +27.8% | 211,257 | $5.6M |
| Ameriprise Financial Inc. | 0.00% | Add +1333.5% | 190,996 | $5.0M |
| Saturn V Capital Management LP | 0.69% | Add +105.4% | 182,829 | $4.8M |
| Vanguard Portfolio Management LLC | 0.00% | New | 181,101 | $4.8M |
| Two Sigma Investments, LP | 0.00% | Reduce -31.8% | 147,299 | $3.9M |
| Eversept Partners, LP | 0.18% | Add +2.5% | 128,286 | $3.4M |
| Boothbay Fund Management, LLC | 0.05% | Reduce -23.7% | 106,234 | $2.8M |
| Alkeon Capital Management LLC | 0.01% | Reduce -55.0% | 102,101 | $2.7M |
| Stifel Financial Corp. | 0.00% | Reduce -1.0% | 85,480 | $2.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +373.5% | 80,583 | $2.1M |
| AWM Investment Company, Inc. | 0.18% | Reduce -52.9% | 80,000 | $2.1M |
| Bank of New York Mellon Corp | 0.00% | New | 76,330 | $2.0M |
| Morgan Stanley | 0.00% | Add +9.2% | 74,940 | $2.0M |
| Renaissance Technologies | 0.00% | Reduce -31.0% | 71,399 | $1.9M |
| Wellington Management Group LLP | 0.00% | Add +18.6% | 70,913 | $1.9M |
| AdvisorShares Investments LLC | 0.23% | Add +72.5% | 70,748 | $1.9M |
| Nuveen, LLC | 0.00% | New | 62,342 | $1.6M |
| UBS Group AG | 0.00% | Add +240.3% | 58,697 | $1.5M |
| Acadian Asset Management LLC | 0.00% | Reduce -7.6% | 55,509 | $1.5M |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -3.8% | 50,653 | $1.3M |
| XTX Topco Ltd | 0.02% | Add +17.0% | 46,601 | $1.2M |
| TD Asset Management Inc | 0.00% | No change | 43,800 | $1.2M |
| Dimensional Fund Advisors LP | 0.00% | Add +8.2% | 42,561 | $1.1M |
| Quantinno Capital Management LP | 0.00% | Add +6.9% | 38,556 | $1.0M |
| Alps Advisors Inc. | 0.00% | Add +40.8% | 35,613 | $940K |
| Rhumbline Advisers | 0.00% | New | 31,636 | $835K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +27.3% | 30,233 | $798K |
| American Century Companies Inc. | 0.00% | Add +89.1% | 26,820 | $708K |
| Wells Fargo & Company | 0.00% | Add +3229.5% | 26,303 | $694K |
| Deutsche Bank AG | 0.00% | New | 26,051 | $687K |
| Allianz Asset Management GmbH | 0.00% | Reduce -8.8% | 26,000 | $686K |
| Brown Advisory Inc. | 0.00% | No change | 25,000 | $660K |
| Alliancebernstein L.P. | 0.00% | New | 27,300 | $614K |
| University of Texas/Texas Am Investment Management Co. | 0.07% | No change | 22,175 | $585K |
| Squarepoint Ops LLC | 0.00% | Reduce -28.9% | 21,286 | $562K |
| Citigroup Inc. | 0.00% | Add +120.0% | 20,745 | $547K |
| Bank of America Corp. | 0.00% | Reduce -25.6% | 19,101 | $504K |
| Revisor Wealth Management LLC | 0.11% | No change | 17,130 | $452K |
| SCS Capital Management LLC | 0.00% | No change | 16,840 | $444K |
| MetLife Investment Management, LLC | 0.00% | New | 15,644 | $413K |
| Virtus Investment Advisers, LLC | 0.09% | New | 15,239 | $402K |
| Bank of Nova Scotia | 0.00% | New | 14,400 | $380K |
| Invesco Ltd. | 0.00% | New | 14,255 | $376K |
| Barclays PLC | 0.00% | Reduce -46.8% | 13,318 | $351K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -19.1% | 12,658 | $334K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 12,009 | $317K |
| JPMorgan Chase & Co. | 0.00% | Add +23604.3% | 10,904 | $306K |
| Bank of Montreal | 0.00% | Add +0.6% | 11,415 | $301K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 10,649 | $281K |
| New York State Common Retirement Fund | 0.00% | New | 9,200 | $243K |
| GK Wealth Management LLC | 0.14% | New | 8,565 | $226K |
| Susquehanna International Group, LLP | 0.00% | Reduce -96.7% | 7,998 | $211K |
| Ieq Capital, LLC | 0.00% | Reduce -66.3% | 7,988 | $211K |
| Profund Advisors LLC | 0.01% | New | 7,908 | $209K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 7,725 | $204K |
| Persistent Asset Partners Ltd | 0.06% | New | 7,698 | $203K |
| State of Wyoming | 0.02% | New | 7,684 | $203K |
| FMR LLC | 0.00% | Add +0.2% | 6,325 | $167K |
| BNP Paribas Financial Markets | 0.00% | Add +1135.7% | 3,880 | $102K |
| Royal Bank of Canada | 0.00% | Add +8619.5% | 3,575 | $95K |
| Legal & General Group Plc | 0.00% | New | 2,543 | $67K |
| Whittier Trust Co. of Nevada Inc. | 0.00% | No change | 2,482 | $64K |
| Russell Investments Group, Ltd. | 0.00% | Add +684.3% | 2,400 | $63K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 2,377 | $63K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +2970.8% | 1,996 | $53K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -0.5% | 1,200 | $32K |
| Los Angeles Capital Management LLC | 0.00% | New | 1,006 | $27K |
| Rothschild Investment LLC | 0.00% | Reduce -59.4% | 685 | $18K |
| STRS Ohio | 0.00% | New | 600 | $16K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -10.8% | 560 | $15K |
| Torren Management, LLC | 0.01% | No change | 558 | $15K |
| Jones Financial Companies LLLP | 0.00% | No change | 533 | $14K |
"% of holder's portfolio" is ANRO's weight in each manager's 13F, not the share of Alto Neuroscience Inc. the manager owns.