Alto Neuroscience, Inc. - ANRO
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Alpha Wave Global, LP | History | No change | 3,707,757 | 97,847 | 1.57% | 1.57% | 1 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Commodore Capital LP | History | No change | 2,723,196 | 71,865 | 4.28% | 4.28% | 2 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BlackRock, Inc. | History | No change | 2,121,009 | 55,973 | 0.0% | 0.0% | 3 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| PERCEPTIVE ADVISORS LLC | History | No change | 1,609,893 | 42,485 | 0.64% | 0.64% | 4 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | No change | 1,600,000 | 42,224 | 0.06% | 0.06% | 5 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | No change | 1,389,477 | 36,668 | 0.0% | 0.0% | 6 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Spruce Street Capital LP | History | No change | 1,353,047 | 35,706 | 7.01% | 7.01% | 7 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Vivo Capital, LLC | History | No change | 1,208,858 | 31,901 | 2.91% | 2.91% | 8 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| FRANKLIN RESOURCES INC | History | No change | 1,013,307 | 26,741 | 0.01% | 0.01% | 9 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ARMISTICE CAPITAL, LLC | History | No change | 864,000 | 22,800 | 0.28% | 0.28% | 10 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Affinity Asset Advisors, LLC | History | No change | 850,000 | 22,431 | 1.01% | 1.01% | 11 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Vestal Point Capital, LP | History | No change | 785,000 | 20,716 | 0.48% | 0.48% | 12 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| STATE STREET CORP | History | No change | 685,945 | 18,102 | 0.0% | 0.0% | 13 | 0 | 0.0% | Q2 2026 | Sep 22, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 678,199 | 17,902 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| 72 Investment Holdings, LLC | History | No change | 667,778 | 17,622 | 35.27% | 35.27% | 15 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | No change | 632,701 | 16,696 | 0.0% | 0.0% | 16 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | No change | 558,320 | 14,734 | 0.01% | 0.01% | 17 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | History | No change | 502,950 | 13,272 | 0.01% | 0.01% | 18 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Venrock Adviser, LLC | History | No change | 500,000 | 13,195 | 0.4% | 0.4% | 19 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Integral Health Asset Management, LLC | History | No change | 500,000 | 13,195 | 0.52% | 0.52% | 20 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | History | No change | 487,576 | 12,867 | 0.07% | 0.07% | 21 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Parkman Healthcare Partners LLC | History | No change | 429,035 | 11,322 | 1.16% | 1.16% | 22 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Ikarian Capital, LLC | History | No change | 407,338 | 10,749 | 1.16% | 1.16% | 23 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | No change | 358,279 | 9,456 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ORBIMED ADVISORS LLC | History | No change | 257,852 | 6,804 | 0.13% | 0.13% | 25 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Schonfeld Strategic Advisors LLC | History | No change | 257,631 | 6,798 | 0.02% | 0.02% | 26 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| GOLDMAN SACHS GROUP INC | History | No change | 236,830 | 6,249 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| MARSHALL WACE, LLP | History | No change | 225,503 | 5,951 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | No change | 211,257 | 5,575 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| AMERIPRISE FINANCIAL INC | History | No change | 190,996 | 5,040 | 0.0% | 0.0% | 30 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Saturn V Capital Management LP | History | No change | 182,829 | 4,824 | 0.69% | 0.69% | 31 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | No change | 181,101 | 4,779 | 0.0% | 0.0% | 32 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | No change | 147,299 | 3,887 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Eversept Partners, LP | History | No change | 128,286 | 3,385 | 0.18% | 0.18% | 34 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | No change | 106,234 | 2,803 | 0.04% | 0.04% | 35 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ALKEON CAPITAL MANAGEMENT LLC | History | No change | 102,101 | 2,694 | 0.0% | 0.0% | 36 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Bank of New York Mellon Corp | History | Added to | 92,798 | 2,369 | 0.0% | 0.0% | 37 | +16,468 | 21.57% | Q3 2026 | Nov 05, 2026 |
| STIFEL FINANCIAL CORP | History | No change | 85,480 | 2,255 | 0.0% | 0.0% | 38 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 80,583 | 2,126 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| AWM Investment Company, Inc. | History | No change | 80,000 | 2,111 | 0.18% | 0.18% | 40 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 78,292 | 1,999 | 0.0% | 0.0% | 41 | +35,731 | 83.95% | Q3 2026 | Nov 04, 2026 |
| MORGAN STANLEY | History | No change | 74,940 | 1,977 | 0.0% | 0.0% | 42 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | No change | 71,399 | 1,884 | 0.0% | 0.0% | 43 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | History | No change | 70,913 | 1,871 | 0.0% | 0.0% | 44 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| AdvisorShares Investments LLC | History | No change | 70,748 | 1,867 | 0.23% | 0.23% | 45 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | No change | 69,298 | 1,828 | 0.0% | 0.0% | 46 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Nuveen, LLC | History | No change | 62,342 | 1,645 | 0.0% | 0.0% | 47 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| UBS Group AG | History | No change | 58,697 | 1,549 | 0.0% | 0.0% | 48 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | No change | 55,509 | 1,464 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 50,653 | 1,336 | 0.02% | 0.02% | 50 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ALPS ADVISORS INC | History | Added to | 51,971 | 1,326 | 0.01% | 0.0% | 51 | +16,358 | 45.93% | Q3 2026 | Nov 02, 2026 |
| XTX Topco Ltd | History | No change | 46,601 | 1,229 | 0.02% | 0.02% | 52 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| TD ASSET MANAGEMENT INC | History | No change | 43,800 | 1,155 | 0.0% | 0.0% | 53 | 0 | 0.0% | Q2 2026 | Aug 04, 2026 |
| Quantinno Capital Management LP | History | No change | 38,556 | 1,017 | 0.0% | 0.0% | 54 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| PROFUND ADVISORS LLC | History | Added to | 37,885 | 967 | 0.03% | 0.01% | 55 | +29,977 | 379.07% | Q3 2026 | Oct 28, 2026 |
| RHUMBLINE ADVISERS | History | No change | 31,636 | 834 | 0.0% | 0.0% | 56 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | No change | 30,233 | 797 | 0.0% | 0.0% | 57 | 0 | 0.0% | Q2 2026 | Sep 09, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | No change | 26,820 | 707 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 26,303 | 694 | 0.0% | 0.0% | 59 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| DEUTSCHE BANK AG\ | History | No change | 26,051 | 687 | 0.0% | 0.0% | 60 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Allianz Asset Management GmbH | History | No change | 26,000 | 686 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q2 2026 | Sep 02, 2026 |
| BROWN ADVISORY INC | History | No change | 25,000 | 659 | 0.0% | 0.0% | 62 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | History | No change | 23,600 | 622 | 0.0% | 0.0% | 63 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | No change | 27,300 | 613 | 0.0% | 0.0% | 64 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops LLC | History | No change | 21,286 | 561 | 0.0% | 0.0% | 65 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | No change | 19,101 | 504 | 0.0% | 0.0% | 66 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Creative Planning | History | New | 19,577 | 499 | 0.0% | — | 67 | +19,577 | New | Q3 2026 | Nov 02, 2026 |
| SCS Capital Management LLC | History | No change | 16,840 | 444 | 0.0% | 0.0% | 68 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| MetLife Investment Management, LLC | History | No change | 15,644 | 412 | 0.0% | 0.0% | 69 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Virtus Investment Advisers, LLC | History | No change | 15,239 | 402 | 0.09% | 0.09% | 70 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| CITADEL ADVISORS LLC | History | No change | 15,100 | 398 | 0.0% | 0.0% | 71 | 0 | 0.0% | Q2 2026 | Sep 02, 2026 |
| BANK OF NOVA SCOTIA | History | No change | 14,400 | 380 | 0.0% | 0.0% | 72 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Invesco Ltd. | History | No change | 14,255 | 376 | 0.0% | 0.0% | 73 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO | History | Reduced | 14,175 | 361 | 0.05% | 0.07% | 74 | -8,000 | -36.08% | Q3 2026 | Nov 03, 2026 |
| BARCLAYS PLC | History | No change | 13,318 | 351 | 0.0% | 0.0% | 75 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| CITIGROUP INC | History | Reduced | 13,180 | 336 | 0.0% | 0.0% | 76 | -7,565 | -36.47% | Q3 2026 | Nov 04, 2026 |
| Vanguard Personalized Indexing Management, LLC | History | No change | 12,658 | 334 | 0.0% | 0.0% | 77 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | No change | 12,009 | 316 | 0.0% | 0.0% | 78 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Revisor Wealth Management LLC | History | Reduced | 13,000 | 308 | 0.08% | 0.11% | 79 | -4,130 | -24.11% | Q3 2026 | Oct 20, 2026 |
| JPMORGAN CHASE & CO | History | No change | 10,904 | 306 | 0.0% | 0.0% | 80 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| BANK OF MONTREAL /CAN/ | History | No change | 11,415 | 301 | 0.0% | 0.0% | 81 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Vanguard Global Advisers, LLC | History | No change | 10,649 | 281 | 0.0% | 0.0% | 82 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| SIMPLEX TRADING, LLC | History | New | 10,171 | 259 | 0.0% | — | 83 | +10,171 | New | Q3 2026 | Nov 04, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 9,200 | 242 | 0.0% | 0.0% | 84 | 0 | 0.0% | Q2 2026 | Jul 29, 2026 |
| IEQ CAPITAL, LLC | History | No change | 7,988 | 210 | 0.0% | 0.0% | 85 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 7,725 | 203 | 0.0% | 0.0% | 86 | 0 | 0.0% | Q2 2026 | Jul 23, 2026 |
| Persistent Asset Partners Ltd | History | No change | 7,698 | 203 | 0.06% | 0.06% | 87 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| FMR LLC | History | No change | 6,325 | 166 | 0.0% | 0.0% | 88 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| GK Wealth Management LLC | History | Reduced | 6,500 | 165 | 0.09% | 0.12% | 89 | -2,065 | -24.11% | Q3 2026 | Oct 09, 2026 |
| Farther Finance Advisors, LLC | History | Added to | 5,355 | 136 | 0.0% | — | 90 | +5,344 | 48581.82% | Q3 2026 | Oct 08, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 3,880 | 102 | 0.0% | 0.0% | 91 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ROYAL BANK OF CANADA | History | No change | 3,575 | 95 | 0.0% | 0.0% | 92 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Legal & General Group Plc | History | No change | 2,543 | 67 | 0.0% | 0.0% | 93 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| WHITTIER TRUST CO OF NEVADA INC | History | No change | 2,482 | 63 | 0.0% | 0.0% | 94 | 0 | 0.0% | Q2 2026 | Jul 27, 2026 |
| Russell Investments Group, Ltd. | History | No change | 2,400 | 63 | 0.0% | 0.0% | 95 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 2,377 | 62 | 0.0% | 0.0% | 96 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| EverSource Wealth Advisors, LLC | History | Added to | 2,315 | 59 | 0.0% | 0.0% | 97 | +1,755 | 313.39% | Q3 2026 | Nov 04, 2026 |
| Tower Research Capital LLC (TRC) | History | No change | 1,996 | 52 | 0.0% | 0.0% | 98 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| STRS OHIO | History | Added to | 1,400 | 35 | 0.0% | 0.0% | 99 | +800 | 133.33% | Q3 2026 | Oct 30, 2026 |
| State of Wyoming | History | Reduced | 1,317 | 33 | 0.0% | 0.02% | 100 | -6,367 | -82.86% | Q3 2026 | Oct 28, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 1,200 | 31 | 0.0% | 0.0% | 101 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Sterling Capital Management LLC | History | Added to | 1,054 | 26 | 0.0% | 0.0% | 103 | +962 | 1045.65% | Q3 2026 | Oct 22, 2026 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | History | No change | 1,006 | 26 | 0.0% | 0.0% | 102 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | No change | 685 | 18 | 0.0% | 0.0% | 104 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 533 | 14 | 0.0% | 0.0% | 105 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | Added to | 453 | 11 | 0.0% | 0.0% | 106 | +115 | 34.02% | Q3 2026 | Oct 20, 2026 |
| Torren Management, LLC | History | Reduced | 409 | 10 | 0.0% | 0.01% | 107 | -149 | -26.7% | Q3 2026 | Oct 29, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | No change | 361 | 9 | 0.0% | 0.0% | 108 | 0 | 0.0% | Q2 2026 | Aug 24, 2026 |
| Accent Capital Management, LLC | History | No change | 366 | 9 | 0.0% | 0.0% | 109 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 292 | 7 | 0.0% | — | 110 | +292 | New | Q3 2026 | Oct 29, 2026 |
| GAMMA Investing LLC | History | Added to | 270 | 6 | 0.0% | — | 111 | +262 | 3275.0% | Q3 2026 | Oct 08, 2026 |
| US BANCORP \DE\ | History | Added to | 169 | 4 | 0.0% | 0.0% | 112 | +130 | 333.33% | Q3 2026 | Nov 05, 2026 |
| MassMutual Private Wealth & Trust, FSB | History | New | 121 | 3 | 0.0% | — | 114 | +121 | New | Q3 2026 | Oct 05, 2026 |
| Aster Capital Management (DIFC) Ltd | History | No change | 135 | 3 | 0.0% | 0.0% | 113 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Parkside Financial Bank & Trust | History | New | 98 | 2 | 0.0% | — | 117 | +98 | New | Q3 2026 | Oct 27, 2026 |
| Fortitude Family Office, LLC | History | New | 81 | 2 | 0.0% | — | 118 | +81 | New | Q3 2026 | Oct 14, 2026 |
| FEDERATED HERMES, INC. | History | No change | 110 | 2 | 0.0% | 0.0% | 115 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Optiver Holding B.V. | History | No change | 112 | 2 | 0.0% | 0.0% | 116 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| SIGNATUREFD, LLC | History | New | 40 | 1 | 0.0% | — | 120 | +40 | New | Q3 2026 | Oct 23, 2026 |
| Cornerstone Financial Management LLC | History | No change | 69 | 1 | 0.0% | 0.0% | 119 | 0 | 0.0% | Q2 2026 | Aug 28, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 33 | 0 | — | — | — | +21 | 175.0% | Q3 2026 | Oct 21, 2026 |
| SJS Investment Consulting Inc. | History | New | 4 | 0 | — | — | — | +4 | New | Q3 2026 | Oct 26, 2026 |
| Arax Advisory Partners | History | No change | 5 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 3 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |