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, Q2 2026
Institutional positions in Alto Neuroscience, Inc. as of Jun 30, 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
- 114
- +5 vs. Q1 2026
- Shares held
- 29.5M
- +2.64M (+9.8%) vs. Q1 2026
- Total value
- $777.6M
- +$175.2M (+29.1%) vs. Q1 2026
- New holders
- 27
- 39 more added
- Sold out
- 22
- 28 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Alto Neuroscience, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 3 | $79 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 5 | $132 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 8 | $211 | 0.00% | +8 | New |
| Farther Finance Advisors, LLC | 11 | $290 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 12 | $317 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 39 | $1.03K | 0.00% | −71−64.5% | Reduced |
| Cornerstone Financial Management LLC | 69 | $1.82K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 92 | $2.43K | 0.00% | +92 | New |
| Federated Hermes, Inc. | 110 | $2.90K | 0.00% | −544−83.2% | Reduced |
| Optiver Holding B.V. | 112 | $2.96K | 0.00% | +108+2,700.0% | Added |
| Aster Capital Management (DIFC) Ltd | 135 | $3.56K | 0.00% | +135 | New |
| Nisa Investment Advisors, LLC | 338 | $8.92K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 361 | $9.53K | 0.00% | +361 | New |
| Accent Capital Management, LLC | 366 | $9.66K | 0.00% | +91+33.1% | Added |
| Jones Financial Companies LLLP | 533 | $14.4K | 0.00% | 00.0% | Unchanged |
| Torren Management, LLC | 558 | $14.7K | 0.01% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 560 | $14.8K | 0.00% | −68−10.8% | Reduced |
| STRS Ohio | 600 | $15.8K | 0.00% | +600 | New |
| Rothschild Investment LLC | 685 | $18.1K | 0.00% | −1,000−59.3% | Reduced |
| Los Angeles Capital Management LLC | 1,006 | $26.5K | 0.00% | +1,006 | New |
| The PNC Financial Services Group, Inc. | 1,200 | $31.7K | 0.00% | −6−0.5% | Reduced |
| Tower Research Capital LLC (TRC) | 1,996 | $52.7K | 0.00% | +1,931+2,970.8% | Added |
| Ameritas Investment Partners, Inc. | 2,377 | $62.7K | 0.00% | +2,377 | New |
| Russell Investments Group, Ltd. | 2,400 | $63.3K | 0.00% | +2,094+684.3% | Added |
| Whittier Trust Co of Nevada Inc | 2,482 | $63.8K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,543 | $67.1K | 0.00% | +2,543 | New |
| Royal Bank of Canada | 3,575 | $95.0K | 0.00% | +3,534+8,619.5% | Added |
| BNP Paribas Arbitrage, SA | 3,880 | $102.4K | 0.00% | +3,566+1,135.7% | Added |
| FMR LLC | 6,325 | $166.9K | 0.00% | +11+0.2% | Added |
| State of Wyoming | 7,684 | $202.8K | 0.02% | +7,684 | New |
| Persistent Asset Partners Ltd | 7,698 | $203.2K | 0.06% | +7,698 | New |
| Police & Firemen's Retirement System of New Jersey | 7,725 | $203.9K | 0.00% | +7,725 | New |
| Profund Advisors LLC | 7,908 | $208.7K | 0.01% | +7,908 | New |
| Ieq Capital, LLC | 7,988 | $210.8K | 0.00% | −15,739−66.3% | Reduced |
| Susquehanna International Group, LLP | 7,998 | $211.1K | 0.00% | −230,500−96.6% | Reduced |
| GK Wealth Management LLC | 8,565 | $226.0K | 0.14% | +8,565 | New |
| New York State Common Retirement Fund | 9,200 | $242.8K | 0.00% | +9,200 | New |
| Vanguard Global Advisers, LLC | 10,649 | $281.0K | 0.00% | 00.0% | Unchanged |
| Bank of Montreal | 11,415 | $301.2K | 0.00% | +72+0.6% | Added |
| JPMorgan Chase & Co | 10,904 | $306.1K | 0.00% | +10,858+23,604.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 12,009 | $316.9K | 0.00% | +12,009 | New |
| JustInvest LLC | 12,658 | $334.0K | 0.00% | −2,988−19.1% | Reduced |
| Barclays PLC | 13,318 | $351.5K | 0.00% | −11,718−46.8% | Reduced |
| Invesco Ltd. | 14,255 | $376.2K | 0.00% | +14,255 | New |
| Bank of Nova Scotia | 14,400 | $380.0K | 0.00% | +14,400 | New |
| Virtus Investment Advisers, Inc. | 15,239 | $402.2K | 0.09% | +15,239 | New |
| MetLife Investment Management | 15,644 | $412.8K | 0.00% | +15,644 | New |
| SCS Capital Management LLC | 16,840 | $444.4K | 0.00% | 00.0% | Unchanged |
| Revisor Wealth Management LLC | 17,130 | $452.1K | 0.11% | 00.0% | Unchanged |
| Bank of America Corp | 19,101 | $504.1K | 0.00% | −6,576−25.6% | Reduced |
| Citigroup Inc | 20,745 | $547.5K | 0.00% | +11,315+120.0% | Added |
| Squarepoint Ops LLC | 21,286 | $561.7K | 0.00% | −8,675−29.0% | Reduced |
| University of Texas/Texas Am Investment Managment Co | 22,175 | $585.2K | 0.07% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 27,300 | $613.7K | 0.00% | +27,300 | New |
| Brown Advisory Inc | 25,000 | $659.8K | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 26,000 | $686.1K | 0.00% | −2,500−8.8% | Reduced |
| Deutsche Bank AG | 26,051 | $687.5K | 0.00% | +26,051 | New |
| Wells Fargo & Company | 26,303 | $694.1K | 0.00% | +25,513+3,229.5% | Added |
| American Century Companies Inc | 26,820 | $707.8K | 0.00% | +12,634+89.1% | Added |
| Manufacturers Life Insurance Company, The | 30,233 | $797.8K | 0.00% | +6,486+27.3% | Added |
| Rhumbline Advisers | 31,636 | $834.9K | 0.00% | +31,636 | New |
| Alps Advisors Inc | 35,613 | $939.8K | 0.00% | +10,325+40.8% | Added |
| Quantinno Capital Management LP | 38,556 | $1.02M | 0.00% | +2,487+6.9% | Added |
| Dimensional Fund Advisors LP | 42,561 | $1.12M | 0.00% | +3,237+8.2% | Added |
| TD Asset Management Inc | 43,800 | $1.16M | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 46,601 | $1.23M | 0.02% | +6,760+17.0% | Added |
| Bridgeway Capital Management, LLC | 50,653 | $1.34M | 0.02% | −2,000−3.8% | Reduced |
| Acadian Asset Management LLC | 55,509 | $1.46M | 0.00% | −4,567−7.6% | Reduced |
| UBS Group AG | 58,697 | $1.55M | 0.00% | +41,447+240.3% | Added |
| Nuveen, LLC | 62,342 | $1.65M | 0.00% | +62,342 | New |
| AdvisorShares Investments LLC | 70,748 | $1.87M | 0.23% | +29,725+72.5% | Added |
| Wellington Management Group LLP | 70,913 | $1.87M | 0.00% | +11,114+18.6% | Added |
| Renaissance Technologies LLC | 71,399 | $1.88M | 0.00% | −32,100−31.0% | Reduced |
| Morgan Stanley | 74,940 | $1.98M | 0.00% | +6,286+9.2% | Added |
| Bank of New York Mellon Corp | 76,330 | $2.01M | 0.00% | +76,330 | New |
| AWM Investment Company, Inc. | 80,000 | $2.11M | 0.18% | −90,000−52.9% | Reduced |
| Charles Schwab Investment Management Inc | 80,583 | $2.13M | 0.00% | +63,565+373.5% | Added |
| Stifel Financial Corp | 85,480 | $2.26M | 0.00% | −855−1.0% | Reduced |
| Alkeon Capital Management LLC | 102,101 | $2.69M | 0.01% | −125,000−55.0% | Reduced |
| Boothbay Fund Management, LLC | 106,234 | $2.80M | 0.05% | −33,070−23.7% | Reduced |
| Eversept Partners, LP | 128,286 | $3.39M | 0.18% | +3,118+2.5% | Added |
| Two Sigma Investments, LP | 147,299 | $3.89M | 0.00% | −68,800−31.8% | Reduced |
| Vanguard Portfolio Management LLC | 181,101 | $4.78M | 0.00% | +181,101 | New |
| Saturn V Capital Management LLC | 182,829 | $4.82M | 0.69% | +93,830+105.4% | Added |
| Ameriprise Financial Inc | 190,996 | $5.04M | 0.00% | +177,672+1,333.5% | Added |
| Vanguard Fiduciary Trust Co | 211,257 | $5.58M | 0.00% | +45,985+27.8% | Added |
| Marshall Wace, LLP | 225,503 | $5.95M | 0.01% | +49,156+27.9% | Added |
| Goldman Sachs Group Inc | 236,830 | $6.25M | 0.00% | +132,113+126.2% | Added |
| Schonfeld Strategic Advisors LLC | 257,631 | $6.80M | 0.04% | +257,631 | New |
| OrbiMed Advisors LLC | 257,852 | $6.80M | 0.13% | +90,352+53.9% | Added |
| Price T Rowe Associates Inc | 358,279 | $9.46M | 0.00% | −12,929−3.5% | Reduced |
| Ikarian Capital, LLC | 407,338 | $10.7M | 1.76% | −107,662−20.9% | Reduced |
| Parkman Healthcare Partners LLC | 429,035 | $11.3M | 1.16% | +429,035 | New |
| Driehaus Capital Management LLC | 487,576 | $12.9M | 0.07% | +850+0.2% | Added |
| VR Adviser, LLC | 500,000 | $13.2M | 0.40% | 00.0% | Unchanged |
| Integral Health Asset Management, LLC | 500,000 | $13.2M | 0.54% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 502,950 | $13.3M | 0.02% | −1370.0% | Reduced |
| Millennium Management LLC | 558,320 | $14.7M | 0.01% | −263,662−32.1% | Reduced |
| Northern Trust Corp | 632,701 | $16.7M | 0.00% | +159,298+33.6% | Added |
| 72 Investment Holdings, LLC | 667,778 | $17.6M | 35.27% | 00.0% | Unchanged |