AlectorALEC
13F holders, Q1 2024 (March 31)157holders
6famous investors
$6.02avg. 13F price*
At the end of Q1 2024, 157 institutions reported holding Alector Inc. (ALEC) in their 13F filings. The largest holders were FMR LLC ($86.5M), BlackRock Inc. ($51.1M) and Vanguard Group Inc. ($29.6M). 6 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Alector Inc.
- CUSIP
- 014442107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $37.5M |
| Exits | 16 | $5.3M |
Ownership 157 holders
| FMR LLC | 0.01% | Add +13.8% | 14,362,388 | $86.5M |
| BlackRock Inc. | 0.00% | Add +5.1% | 8,483,565 | $51.1M |
| Vanguard Group Inc. | 0.00% | Add +12.0% | 4,912,578 | $29.6M |
| EcoR1 Capital, LLC | 0.62% | No change | 4,056,548 | $24.4M |
| State Street Corp. | 0.00% | Add +25.6% | 3,915,169 | $23.6M |
| Deep Track Capital, LP | 0.65% | New | 3,769,386 | $22.7M |
| Morgan Stanley | 0.00% | Reduce -28.9% | 3,304,976 | $19.9M |
| Deutsche Bank AG | 0.01% | Add +28.2% | 2,642,867 | $15.9M |
| Braidwell LP | 0.81% | Reduce -28.4% | 2,380,704 | $14.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -8.0% | 1,715,764 | $10.3M |
| Geode Capital Management, LLC | 0.00% | Add +14.0% | 1,575,770 | $9.5M |
| Euclidean Capital LLC | 1.01% | No change | 1,307,858 | $7.9M |
| Verition Fund Management LLC | 0.08% | Add +755.6% | 1,253,029 | $7.5M |
| Deerfield Management Company, L.P. | 0.12% | Add +0.5% | 1,072,845 | $6.5M |
| Franklin Resources Inc. | 0.00% | No change | 959,524 | $5.8M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Add +16.2% | 922,799 | $5.6M |
| DAFNA Capital Management LLC | 1.26% | Add +49.7% | 912,928 | $5.5M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -25.9% | 890,494 | $5.4M |
| Dimensional Fund Advisors LP | 0.00% | Add +10.7% | 845,964 | $5.1M |
| Alliancebernstein L.P. | 0.00% | Add +47.4% | 725,686 | $4.4M |
| Point72 Asset Management | 0.01% | Add +400.2% | 695,300 | $4.2M |
| Renaissance Technologies | 0.01% | Add +18.1% | 675,483 | $4.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +35.1% | 674,790 | $4.1M |
| Northern Trust Corp. | 0.00% | Add +9.1% | 670,223 | $4.0M |
| Sphera Funds Management LTD. | 0.55% | New | 560,000 | $3.4M |
| Two Sigma Advisers, LP | 0.01% | Add +37.2% | 539,500 | $3.2M |
| Eversept Partners, LP | 0.24% | New | 536,171 | $3.2M |
| Acadian Asset Management LLC | 0.01% | Add +211.6% | 444,647 | $2.7M |
| Two Sigma Investments, LP | 0.01% | Add +89.4% | 364,629 | $2.2M |
| Bank of America Corp. | 0.00% | Reduce -19.7% | 353,651 | $2.1M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -21.4% | 339,884 | $2.0M |
| New Leaf Venture Partners, L.L.C. | 1.79% | No change | 339,569 | $2.0M |
| D. E. Shaw & Co. | 0.00% | Add +79.0% | 329,625 | $2.0M |
| Baillie Gifford & Co. | 0.00% | Reduce -6.7% | 322,829 | $1.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +11.7% | 319,265 | $1.9M |
| Rafferty Asset Management, LLC | 0.01% | Add +44.4% | 275,630 | $1.7M |
| Alyeska Investment Group, L.P. | 0.01% | New | 256,182 | $1.5M |
| Walleye Capital LLC | 0.02% | Reduce -3.5% | 252,808 | $1.5M |
| Citigroup Inc. | 0.00% | Add +191.9% | 240,976 | $1.5M |
| Jupiter Asset Management Ltd. | 0.01% | No change | 232,219 | $1.4M |
| Bank of New York Mellon Corp | 0.00% | Add +10.2% | 230,313 | $1.4M |
| UBS Group AG | 0.00% | Add +28.4% | 229,486 | $1.4M |
| Panagora Asset Management Inc. | 0.01% | Reduce -7.2% | 219,704 | $1.3M |
| Nordea Investment Management AB | 0.00% | Reduce -0.8% | 188,767 | $1.2M |
| AQR Capital Management | 0.00% | Add +189.7% | 190,210 | $1.1M |
| Woodline Partners LP | 0.01% | New | 190,000 | $1.1M |
| Medici Capital LLC | 1.28% | Reduce -3.5% | 185,929 | $1.1M |
| Marshall Wace, LLP | 0.00% | New | 177,278 | $1.1M |
| Alphabet Inc. | 0.04% | No change | 175,866 | $1.1M |
| Stifel Financial Corp. | 0.00% | Add +0.6% | 146,688 | $883K |
| BIT Capital GmbH | 0.08% | New | 141,372 | $851K |
| Swiss National Bank | 0.00% | Add +6.5% | 131,900 | $794K |
| Victory Capital Management Inc. | 0.00% | Add +3.0% | 129,140 | $777K |
| Susquehanna Fundamental Investments, LLC | 0.04% | New | 126,164 | $760K |
| Manufacturers Life Insurance Company, The | 0.00% | No change | 117,994 | $710K |
| TD Asset Management Inc | 0.00% | No change | 111,738 | $673K |
| Massachusetts Financial Services Co. | 0.00% | Add +412.8% | 109,130 | $657K |
| Barclays PLC | 0.00% | Reduce -47.1% | 102,225 | $615K |
| Millennium Management | 0.00% | Reduce -56.6% | 102,202 | $615K |
| Ameriprise Financial Inc. | 0.00% | Reduce -5.0% | 102,077 | $615K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 100,000 | $605K |
| Rhumbline Advisers | 0.00% | Add +4.5% | 91,526 | $551K |
| STRS Ohio | 0.00% | Add +24.6% | 91,200 | $549K |
| Credit Suisse AG/ | 0.00% | Add +6.3% | 90,715 | $546K |
| Russell Investments Group, Ltd. | 0.00% | Add +9.9% | 78,348 | $472K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +14.4% | 74,055 | $446K |
| American Century Companies Inc. | 0.00% | Reduce -1.6% | 71,429 | $430K |
| Alps Advisors Inc. | 0.00% | Add +18.9% | 67,531 | $407K |
| California State Teachers Retirement System | 0.00% | Add +0.9% | 67,058 | $404K |
| Cannell & Spears LLC | 0.01% | New | 66,177 | $398K |
| Federated Hermes, Inc. | 0.00% | Add +2.0% | 65,829 | $396K |
| Man Group plc | 0.00% | Add +484.9% | 65,298 | $393K |
| Gsa Capital Partners LLP | 0.03% | New | 63,583 | $383K |
| Legal & General Group Plc | 0.00% | Add +1.2% | 60,354 | $363K |
| New York Life Investment Management LLC | 0.00% | New | 59,829 | $360K |
| Los Angeles Capital Management LLC | 0.00% | No change | 58,756 | $354K |
| PDT Partners, LLC | 0.03% | Add +415.6% | 57,530 | $346K |
| State of Wisconsin Investment Board | 0.00% | Reduce -57.4% | 55,015 | $331K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -14.0% | 52,643 | $326K |
| Cubist Systematic Strategies, LLC | 0.00% | Reduce -67.3% | 53,271 | $321K |
| ADAR1 Capital Management, LLC | 0.09% | New | 52,500 | $316K |
| Susquehanna International Group, LLP | 0.00% | Reduce -38.4% | 48,826 | $294K |
| BNP Paribas Financial Markets | 0.00% | Reduce -53.7% | 43,926 | $264K |
| Profund Advisors LLC | 0.01% | Add +36.8% | 43,322 | $261K |
| Trexquant Investment LP | 0.01% | Reduce -4.8% | 42,444 | $256K |
| Amundi | 0.00% | Add +162.5% | 48,918 | $249K |
| Truist Financial Corp. | 0.00% | Reduce -12.7% | 39,845 | $240K |
| Squarepoint Ops LLC | 0.00% | New | 39,284 | $236K |
| Jane Street Group, LLC | 0.00% | Reduce -65.4% | 36,476 | $220K |
| American International Group, Inc. | 0.00% | Add +13.0% | 35,655 | $215K |
| MetLife Investment Management, LLC | 0.00% | Add +8.1% | 34,413 | $207K |
| Invesco Ltd. | 0.00% | Add +5.0% | 31,627 | $190K |
| Citadel Advisors | 0.00% | New | 31,169 | $188K |
| Utah Retirement Systems | 0.00% | No change | 30,858 | $186K |
| Simplex Trading, LLC | 0.01% | New | 29,132 | $175K |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -0.7% | 25,390 | $157K |
| HSBC Holdings PLC | 0.00% | Reduce -25.2% | 25,528 | $154K |
| New York State Common Retirement Fund | 0.00% | Reduce -1.2% | 25,438 | $153K |
| Engineers Gate Manager LP | 0.00% | New | 24,660 | $148K |
| Capital Impact Advisors, LLC | 0.19% | Reduce -76.0% | 24,562 | $148K |
"% of holder's portfolio" is ALEC's weight in each manager's 13F, not the share of Alector Inc. the manager owns.