Alector, Inc.
ALEC- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001653087
In the last 90 days, Alector, Inc. insiders filed 0 open-market purchases and 3 sales; 140 institutions reported holding it in 13F filings for Q2 2026, worth $192.7M in total; no superinvestor holds it.
13F holders, Q2 2024
Institutional positions in Alector, Inc. as of Jun 30, 2024. 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
- 160
- +5 vs. Q1 2024
- Shares held
- 72.8M
- −1.30M (−1.8%) vs. Q1 2024
- Total value
- $330.4M
- −$115.6M (−25.9%) vs. Q1 2024
- New holders
- 24
- 58 more added
- Sold out
- 19
- 50 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALEC 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 | 140 | $192.7M |
| Q1 2026 | 138 | $190.0M |
| Q4 2025 | 131 | $132.3M |
| Q3 2025 | 149 | $221.6M |
| Q2 2025 | 136 | $99.2M |
| Q1 2025 | 141 | $89.8M |
| Q4 2024 | 150 | $138.8M |
| Q3 2024 | 159 | $351.1M |
| Q2 2024 | 160 | $337.9M |
| Q1 2024 | 157 | $496.8M |
| Q4 2023 | 148 | $562.1M |
| Q3 2023 | 149 | $411.0M |
| Q2 2023 | 145 | $354.5M |
| Q1 2023 | 149 | $400.9M |
| Q4 2022 | 155 | $506.0M |
| Q3 2022 | 168 | $517.1M |
| Q2 2022 | 154 | $546.8M |
| Q1 2022 | 166 | $789.9M |
| Q4 2021 | 167 | $1.14B |
| Q3 2021 | 145 | $1.19B |
| Q2 2021 | 138 | $1.02B |
| Q1 2021 | 127 | $931.7M |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 14,457,220 | $65.6M | 0.00% | +94,832+0.7% | Added |
| BlackRock Inc. | 9,101,437 | $41.3M | 0.00% | +617,872+7.3% | Added |
| Vanguard Group Inc | 5,320,970 | $24.2M | 0.00% | +408,392+8.3% | Added |
| Deep Track Capital, LP | 4,631,998 | $21.0M | 0.63% | +862,612+22.9% | Added |
| Morgan Stanley | 3,005,073 | $13.6M | 0.00% | −299,903−9.1% | Reduced |
| State Street Corp | 2,789,877 | $12.7M | 0.00% | −1,125,292−28.7% | Reduced |
| Braidwell LP | 2,380,704 | $10.8M | 0.34% | 00.0% | Unchanged |
| Soleus Capital Management, L.P. | 2,239,006 | $10.2M | 0.90% | +2,239,006 | New |
| Deutsche Bank AG | 2,228,281 | $10.1M | 0.00% | −414,586−15.7% | Reduced |
| Geode Capital Management, LLC | 1,755,585 | $7.97M | 0.00% | +179,815+11.4% | Added |
| JPMorgan Chase & Co | 1,656,525 | $7.52M | 0.00% | −59,239−3.5% | Reduced |
| Euclidean Capital LLC | 1,307,858 | $5.94M | 0.75% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 1,148,326 | $5.21M | 0.09% | +75,481+7.0% | Added |
| Franklin Resources Inc | 963,369 | $4.37M | 0.00% | +3,845+0.4% | Added |
| Baker Bros. Advisors LP | 927,264 | $4.21M | 0.05% | +927,264 | New |
| DAFNA Capital Management LLC | 912,928 | $4.14M | 0.99% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 869,578 | $3.95M | 0.00% | −20,916−2.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 858,576 | $3.90M | 0.02% | −64,223−7.0% | Reduced |
| Alliancebernstein L.P. | 766,973 | $3.48M | 0.00% | +41,287+5.7% | Added |
| Dimensional Fund Advisors LP | 676,076 | $3.07M | 0.00% | −169,888−20.1% | Reduced |
| Charles Schwab Investment Management Inc | 666,461 | $3.03M | 0.00% | −8,329−1.2% | Reduced |
| Renaissance Technologies LLC | 655,050 | $2.97M | 0.01% | −20,433−3.0% | Reduced |
| Northern Trust Corp | 648,728 | $2.95M | 0.00% | −21,495−3.2% | Reduced |
| Point72 Asset Management, L.P. | 614,385 | $2.79M | 0.01% | −80,915−11.6% | Reduced |
| Sphera Funds Management Ltd. | 610,000 | $2.77M | 0.45% | +50,000+8.9% | Added |
| Acadian Asset Management LLC | 590,662 | $2.68M | 0.01% | +146,015+32.8% | Added |
| Eversept Partners, LP | 541,739 | $2.46M | 0.19% | +5,568+1.0% | Added |
| Verition Fund Management LLC | 538,163 | $2.44M | 0.02% | −714,866−57.1% | Reduced |
| Two Sigma Advisers, LP | 479,700 | $2.18M | 0.00% | −59,800−11.1% | Reduced |
| Goldman Sachs Group Inc | 388,395 | $1.76M | 0.00% | +69,130+21.7% | Added |
| Bank of America Corp | 359,385 | $1.63M | 0.00% | +5,734+1.6% | Added |
| Panagora Asset Management Inc | 355,318 | $1.61M | 0.01% | +135,614+61.7% | Added |
| D. E. Shaw & Co., Inc. | 352,243 | $1.60M | 0.00% | +22,618+6.9% | Added |
| New Leaf Venture Partners, L.L.C. | 339,569 | $1.54M | 1.87% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 302,138 | $1.37M | 0.00% | −62,491−17.1% | Reduced |
| Bank of New York Mellon Corp | 279,938 | $1.27M | 0.00% | +49,625+21.5% | Added |
| Walleye Capital LLC | 278,272 | $1.26M | 0.01% | +25,464+10.1% | Added |
| Nuveen Asset Management, LLC | 269,100 | $1.22M | 0.00% | −70,784−20.8% | Reduced |
| Baillie Gifford & Co | 260,442 | $1.18M | 0.00% | −62,387−19.3% | Reduced |
| Alyeska Investment Group, L.P. | 256,182 | $1.16M | 0.01% | 00.0% | Unchanged |
| Jupiter Asset Management Ltd | 232,219 | $1.05M | 0.01% | 00.0% | Unchanged |
| Stifel Financial Corp | 214,011 | $971.6K | 0.00% | +67,323+45.9% | Added |
| ADAR1 Capital Management, LLC | 195,311 | $886.7K | 0.18% | +142,811+272.0% | Added |
| AQR Capital Management LLC | 184,511 | $837.7K | 0.00% | −5,699−3.0% | Reduced |
| Alphabet Inc. | 175,866 | $798.4K | 0.04% | 00.0% | Unchanged |
| Medici Capital LLC | 167,191 | $759.0K | 1.67% | −18,738−10.1% | Reduced |
| Millennium Management LLC | 156,780 | $711.8K | 0.00% | +54,578+53.4% | Added |
| Victory Capital Management Inc | 156,234 | $709.3K | 0.00% | +27,094+21.0% | Added |
| Nordea Investment Management AB | 159,999 | $707.2K | 0.00% | −28,768−15.2% | Reduced |
| UBS Asset Management Americas Inc | 153,981 | $699.1K | 0.00% | +79,926+107.9% | Added |
| Trexquant Investment LP | 146,559 | $665.4K | 0.01% | +104,115+245.3% | Added |
| Swiss National Bank | 131,900 | $598.8K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 130,058 | $590.0K | 0.01% | +130,058 | New |
| Susquehanna Fundamental Investments, LLC | 129,664 | $588.7K | 0.01% | +3,500+2.8% | Added |
| Manufacturers Life Insurance Company, The | 124,819 | $566.7K | 0.00% | +6,825+5.8% | Added |
| Jane Street Group, LLC | 124,762 | $566.4K | 0.00% | +88,286+242.0% | Added |
| Massachusetts Financial Services Co | 112,920 | $512.7K | 0.00% | +3,790+3.5% | Added |
| TD Asset Management Inc | 111,738 | $507.3K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 109,924 | $499.0K | 0.00% | +18,398+20.1% | Added |
| UBS Group AG | 105,685 | $479.8K | 0.00% | −123,801−53.9% | Reduced |
| Ameriprise Financial Inc | 103,106 | $468.1K | 0.00% | +1,029+1.0% | Added |
| STRS Ohio | 102,600 | $465.8K | 0.00% | +11,400+12.5% | Added |
| Rafferty Asset Management, LLC | 100,632 | $456.9K | 0.00% | −174,998−63.5% | Reduced |
| EntryPoint Capital, LLC | 100,449 | $456.0K | 0.21% | +100,449 | New |
| DekaBank Deutsche Girozentrale | 100,000 | $437.0K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 92,218 | $418.7K | 0.01% | +38,947+73.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 89,892 | $408.1K | 0.02% | +89,892 | New |
| Russell Investments Group, Ltd. | 83,813 | $380.5K | 0.00% | +5,465+7.0% | Added |
| Corton Capital Inc. | 79,878 | $362.6K | 0.19% | +79,878 | New |
| Barclays PLC | 76,069 | $345.4K | 0.00% | −26,156−25.6% | Reduced |
| Alps Advisors Inc | 75,177 | $341.3K | 0.00% | +7,646+11.3% | Added |
| Federated Hermes, Inc. | 68,538 | $311.2K | 0.00% | +2,709+4.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 68,166 | $309.5K | 0.00% | +68,166 | New |
| BNP Paribas Arbitrage, SA | 67,592 | $306.9K | 0.00% | +23,666+53.9% | Added |
| Man Group plc | 67,537 | $306.6K | 0.00% | +2,239+3.4% | Added |
| California State Teachers Retirement System | 66,694 | $302.8K | 0.00% | −364−0.5% | Reduced |
| Spears Abacus Advisors LLC | 65,663 | $298.1K | 0.01% | −514−0.8% | Reduced |
| SG Americas Securities, LLC | 64,183 | $291.0K | 0.00% | +64,183 | New |
| Los Angeles Capital Management LLC | 63,186 | $286.9K | 0.00% | +4,430+7.5% | Added |
| Legal & General Group Plc | 61,022 | $277.0K | 0.00% | +668+1.1% | Added |
| Marshall Wace, LLP | 52,609 | $238.8K | 0.00% | −124,669−70.3% | Reduced |
| Utah Retirement Systems | 51,430 | $233.5K | 0.00% | +20,572+66.7% | Added |
| MetLife Investment Management | 50,369 | $228.7K | 0.00% | +15,956+46.4% | Added |
| American Century Companies Inc | 50,083 | $227.4K | 0.00% | −21,346−29.9% | Reduced |
| HSBC Holdings PLC | 47,099 | $207.9K | 0.00% | +21,571+84.5% | Added |
| Algert Global LLC | 43,512 | $197.5K | 0.01% | +43,512 | New |
| Corebridge Financial, Inc. | 43,417 | $197.1K | 0.00% | +43,417 | New |
| PDT Partners, LLC | 42,444 | $192.7K | 0.02% | −15,086−26.2% | Reduced |
| State of Wisconsin Investment Board | 39,498 | $179.3K | 0.00% | −15,517−28.2% | Reduced |
| Campbell & CO Investment Adviser LLC | 39,070 | $177.4K | 0.02% | +39,070 | New |
| Invesco Ltd. | 36,488 | $165.7K | 0.00% | +4,861+15.4% | Added |
| Truist Financial Corp | 34,025 | $154.5K | 0.00% | −5,820−14.6% | Reduced |
| Vident Advisory, LLC | 33,978 | $154.3K | 0.00% | +11,967+54.4% | Added |
| Gsa Capital Partners LLP | 33,461 | $152.0K | 0.01% | −30,122−47.4% | Reduced |
| Citigroup Inc | 32,527 | $147.7K | 0.00% | −208,449−86.5% | Reduced |
| XTX Topco Ltd | 31,069 | $141.1K | 0.01% | +11,978+62.7% | Added |
| Amundi | 31,790 | $140.2K | 0.00% | −17,128−35.0% | Reduced |
| Jasper Ridge Partners, L.P. | 30,632 | $139.1K | 0.00% | +15,926+108.3% | Added |
| Voya Investment Management LLC | 27,833 | $126.4K | 0.00% | +5,586+25.1% | Added |
| Engineers Gate Manager LP | 26,580 | $120.7K | 0.00% | +1,920+7.8% | Added |