Who Holds Alector, Inc. (ALEC)? 141 Institutional Holders, Q2 2026
Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 141 holders, $174 million in total.
Largest holders
The 100 largest by value. Change in shares against Q1 2026.
| Manager | Shares | Value | Change | |
|---|---|---|---|---|
| TCG Crossover Management, LLC | 10,000,000 | $20 million | +0% | 13F |
| BlackRock, Inc. | 7,847,879 | $16 million | +1% | 13F |
| Nantahala Capital Management, LLC | 4,318,109 | $9 million | +53% | 13F |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,009,340 | $8 million | +9% | 13F |
| Kynam Capital Management, LP | 3,808,494 | $8 million | +90% | 13F |
| Merck & Co., Inc. | 3,545,719 | $7 million | +0% | 13F |
| Balyasny Asset Management L.P. | 3,247,426 | $7 million | +11% | 13F |
| 683 Capital Management, LLC | 3,200,000 | $6 million | +0% | 13F |
| D. E. Shaw & Co., Inc. | 2,959,983 | $6 million | -11% | 13F |
| ADAR1 Capital Management, LLC | 2,883,583 | $6 million | +175% | 13F |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2,820,493 | $6 million | +9% | 13F |
| GEODE CAPITAL MANAGEMENT, LLC | 2,454,271 | $5 million | +7% | 13F |
| Spruce Street Capital LP | 2,101,068 | $4 million | +0% | 13F |
| MILLENNIUM MANAGEMENT LLC | 1,988,835 | $4 million | +0% | 13F |
| Ikarian Capital, LLC | 1,982,606 | $4 million | -5% | 13F |
| STATE STREET CORP | 1,879,765 | $4 million | +1% | 13F |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 1,765,929 | $4 million | -18% | 13F |
| MEDICI CAPITAL LLC | 1,652,520 | $3 million | +0% | 13F |
| Affinity Asset Advisors, LLC | 1,510,000 | $3 million | +202% | 13F |
| Eversept Partners, LP | 1,423,873 | $3 million | +5% | 13F |
| FMR LLC | 1,396,398 | $3 million | -22% | 13F |
| AQR CAPITAL MANAGEMENT LLC | 1,309,577 | $3 million | +84% | 13F |
| Euclidean Capital LLC | 1,307,858 | $3 million | +0% | 13F |
| MACKENZIE FINANCIAL CORP | 1,109,770 | $2 million | +29% | 13F |
| DEUTSCHE BANK AG\ | 1,098,388 | $2 million | +1% | 13F |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 1,055,192 | $2 million | +0% | 13F |
| TWO SIGMA INVESTMENTS, LP | 1,045,376 | $2 million | -18% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | 935,166 | $2 million | -27% | 13F |
| DAFNA Capital Management LLC | 908,351 | $2 million | +0% | 13F |
| Elmind Capital, LP | 900,000 | $2 million | +0% | 13F |
| PANAGORA ASSET MANAGEMENT INC | 845,999 | $2 million | +43% | 13F |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 818,831 | $2 million | +4% | 13F |
| NORTHERN TRUST CORP | 773,462 | $2 million | +12% | 13F |
| VANGUARD FIDUCIARY TRUST CO | 663,592 | $1 million | +15% | 13F |
| MARSHALL WACE, LLP | 598,559 | $1 million | -4% | 13F |
| BOOTHBAY FUND MANAGEMENT, LLC | 532,850 | $1 million | -5% | 13F |
| GOLDMAN SACHS GROUP INC | 433,875 | $872,089 | -28% | 13F |
| XTX Topco Ltd | 399,681 | $803,359 | -29% | 13F |
| CITADEL ADVISORS LLC | 391,232 | $786,376 | +405% | 13F |
| CANTOR FITZGERALD, L. P. | 295,492 | $593,939 | New | 13F |
| UBS Group AG | 273,780 | $550,298 | +88% | 13F |
| Invesco Ltd. | 257,139 | $516,849 | -3% | 13F |
| Bank of New York Mellon Corp | 250,093 | $502,688 | -1% | 13F |
| AMERIPRISE FINANCIAL INC | 224,530 | $451,305 | -17% | 13F |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | 200,000 | $402,000 | +0% | 13F |
| LMR Partners LLP | 200,000 | $402,000 | New | 13F |
| Nuveen, LLC | 176,234 | $354,230 | +14% | 13F |
| Utah Retirement Systems | 154,290 | $310,123 | +0% | 13F |
| BANK OF AMERICA CORP /DE/ | 142,678 | $286,783 | -63% | 13F |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 142,500 | $286,425 | +0% | 13F |
| CANADA PENSION PLAN INVESTMENT BOARD | 131,300 | $263,913 | -28% | 13F |
| MORGAN STANLEY | 120,480 | $242,164 | -67% | 13F |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 119,769 | $240,736 | -12% | 13F |
| ALLIANCEBERNSTEIN L.P. | 108,940 | $234,221 | +17% | 13F |
| RHUMBLINE ADVISERS | 109,532 | $220,149 | +8% | 13F |
| STRS OHIO | 101,600 | $204,216 | +17% | 13F |
| Russell Investments Group, Ltd. | 98,496 | $197,973 | +49% | 13F |
| WELLS FARGO & COMPANY/MN | 89,172 | $179,236 | +158% | 13F |
| SIMPLEX TRADING, LLC | 85,488 | $171,830 | +25% | 13F |
| Blackstone Inc. | 77,145 | $155,061 | +0% | 13F |
| Jasper Ridge Partners, L.P. | 73,531 | $147,797 | +0% | 13F |
| SEI INVESTMENTS CO | 71,151 | $143,014 | +32% | 13F |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 69,666 | $140,028 | +0% | 13F |
| IEQ CAPITAL, LLC | 60,570 | $121,746 | +29% | 13F |
| Verdad Advisers, LP | 60,509 | $121,623 | +157% | 13F |
| MetLife Investment Management, LLC | 58,696 | $117,979 | +62% | 13F |
| Mariner, LLC | 52,709 | $105,955 | +180% | 13F |
| Vanguard Personalized Indexing Management, LLC | 49,445 | $99,384 | -2% | 13F |
| HSBC HOLDINGS PLC | 48,523 | $98,016 | +0% | 13F |
| Graham Capital Management, L.P. | 46,496 | $93,457 | New | 13F |
| CITIGROUP INC | 46,275 | $93,012 | +898% | 13F |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 45,190 | $90,832 | +6% | 13F |
| BARCLAYS PLC | 44,957 | $90,363 | +6% | 13F |
| JPMORGAN CHASE & CO | 42,998 | $89,435 | +15% | 13F |
| DIVERSIFIED TRUST CO | 42,351 | $85,125 | +64% | 13F |
| DIMENSIONAL FUND ADVISORS LP | 33,728 | $68,037 | -88% | 13F |
| Cerity Partners LLC | 32,521 | $65,367 | +21% | 13F |
| Vanguard Global Advisers, LLC | 31,302 | $62,917 | +0% | 13F |
| Cannell & Spears LLC | 30,342 | $60,987 | -44% | 13F |
| Vontobel Holding Ltd. | 30,000 | $60,300 | +0% | 13F |
| Point72 Asset Management, L.P. | 26,699 | $53,665 | -67% | 13F |
| ROYAL BANK OF CANADA | 26,122 | $53,000 | +271% | 13F |
| MERCER GLOBAL ADVISORS INC /ADV | 25,504 | $51,263 | New | 13F |
| GROUP ONE TRADING LLC | 25,208 | $50,668 | New | 13F |
| INTECH INVESTMENT MANAGEMENT LLC | 24,530 | $49,305 | +2% | 13F |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 30,251 | $48,704 | +66% | 13F |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 24,123 | $48,487 | -78% | 13F |
| Police & Firemen's Retirement System of New Jersey | 23,426 | $47,086 | +0% | 13F |
| VOYA INVESTMENT MANAGEMENT LLC | 21,898 | $44,015 | +41% | 13F |
| BNP PARIBAS FINANCIAL MARKETS | 21,200 | $42,612 | +6% | 13F |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 19,397 | $38,988 | -26% | 13F |
| Qube Research & Technologies Ltd | 16,569 | $33,304 | New | 13F |
| CAPTRUST FINANCIAL ADVISORS | 16,037 | $32,234 | +51% | 13F |
| PRUDENTIAL FINANCIAL INC | 16,015 | $32,190 | -33% | 13F |
| Creative Planning | 15,015 | $30,180 | New | 13F |
| Tower Research Capital LLC (TRC) | 14,450 | $29,044 | +143% | 13F |
| HAMILTON LANE ADVISORS LLC | 14,400 | $28,944 | +0% | 13F |
| Quadrature Capital Ltd | 14,169 | $28,480 | -27% | 13F |
| NEUBERGER BERMAN GROUP LLC | 13,521 | $27,177 | -7% | 13F |
| ProShare Advisors LLC | 12,848 | $25,824 | -3% | 13F |
Questions and answers
- How many institutions hold Alector, Inc.?
- 141 managers reported Alector, Inc. on Form 13F for the quarter ended 30 June 2026, against 138 the quarter before.
- Who is the largest institutional holder of Alector, Inc.?
- TCG Crossover Management, LLC, with 10,000,000 shares worth $20 million on its 13F for Q2 2026.
- How many institutions bought or sold out of Alector, Inc. in Q2 2026?
- 14 managers reported a new position and 11 reported none after holding it the quarter before.
Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Alector, Inc., Q2 2026", https://app.tamarly.ai/holders/alector, built from SEC EDGAR.
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