AlectorALEC
13F holders, Q3 2024 (September 30)159holders −1
17new positions
19sold out
6famous investors
$4.66avg. 13F price*
At the end of Q3 2024, 159 institutions reported holding Alector Inc. (ALEC) in their 13F filings, down 1 from Q2 2024. 17 opened new positions and 19 sold out. The largest holders were FMR LLC ($68.0M), BlackRock, Inc. ($43.6M) and Vanguard Group Inc. ($25.4M). 6 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Alector Inc.
- CUSIP
- 014442107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 17 | $3.5M |
| Exits | 19 | $2.9M |
All 13F filers, Q2 2024 → Q3 2024: 5,442,851 shares bought and 5,825,716 shares sold, net −382,865 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 159 holders
| FMR LLC | 0.00% | Add +0.9% | 14,595,014 | $68.0M |
| BlackRock, Inc. | 0.00% | — | 9,352,044 | $43.6M |
| Vanguard Group Inc. | 0.00% | Add +2.5% | 5,455,727 | $25.4M |
| Deep Track Capital, LP | 0.69% | No change | 4,631,998 | $21.6M |
| Morgan Stanley | 0.00% | Add +45.0% | 4,355,770 | $20.3M |
| JPMorgan Chase & Co. | 0.00% | Add +64.7% | 2,728,823 | $12.7M |
| State Street Corp. | 0.00% | Reduce -6.2% | 2,616,809 | $12.2M |
| Braidwell LP | 0.43% | Reduce -9.3% | 2,158,245 | $10.1M |
| Geode Capital Management, LLC | 0.00% | Add +8.4% | 1,903,942 | $8.9M |
| Euclidean Capital LLC | 0.67% | No change | 1,307,858 | $6.1M |
| Soleus Capital Management, L.P. | 0.47% | Reduce -46.1% | 1,207,371 | $5.6M |
| Deutsche Bank AG | 0.00% | Reduce -48.2% | 1,154,337 | $5.4M |
| Deerfield Management Company, L.P. | 0.08% | Reduce -8.1% | 1,055,192 | $4.9M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Add +18.5% | 1,017,687 | $4.7M |
| Franklin Resources Inc. | 0.00% | Add +0.0% | 963,484 | $4.7M |
| Baker Bros. Advisors LP | 0.05% | No change | 927,264 | $4.3M |
| DAFNA Capital Management LLC | 1.02% | No change | 912,928 | $4.3M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -6.1% | 816,458 | $3.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +14.1% | 760,606 | $3.5M |
| Acadian Asset Management LLC | 0.01% | Add +25.3% | 740,235 | $3.4M |
| Dimensional Fund Advisors LP | 0.00% | Add +7.2% | 724,889 | $3.4M |
| Northern Trust Corp. | 0.00% | Add +10.9% | 719,583 | $3.4M |
| Alliancebernstein L.P. | 0.00% | Reduce -7.2% | 711,545 | $3.3M |
| Alyeska Investment Group, L.P. | 0.02% | Add +156.1% | 656,182 | $3.1M |
| Sphera Funds Management LTD. | 0.47% | Add +1.6% | 620,000 | $2.9M |
| Renaissance Technologies | 0.00% | Reduce -14.2% | 561,750 | $2.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +31.6% | 511,293 | $2.4M |
| ADAR1 Capital Management, LLC | 0.34% | Add +119.5% | 428,802 | $2.0M |
| Two Sigma Advisers, LP | 0.00% | Reduce -17.7% | 394,900 | $1.8M |
| Panagora Asset Management Inc. | 0.01% | Add +7.6% | 382,409 | $1.8M |
| Bank of America Corp. | 0.00% | Add +1.0% | 362,900 | $1.7M |
| New Leaf Venture Partners, L.L.C. | 1.63% | No change | 339,569 | $1.6M |
| Eversept Partners, LP | 0.12% | Reduce -38.6% | 332,756 | $1.6M |
| Two Sigma Investments, LP | 0.00% | Reduce -13.1% | 262,522 | $1.2M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -3.3% | 260,106 | $1.2M |
| Jupiter Asset Management Ltd. | 0.01% | No change | 232,219 | $1.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -19.2% | 226,109 | $1.1M |
| AQR Capital Management | 0.00% | Add +12.7% | 208,001 | $969K |
| Walleye Capital LLC | 0.01% | Reduce -26.7% | 204,067 | $951K |
| Citadel Advisors | 0.00% | New | 195,784 | $912K |
| Artia Global Partners LP | 0.25% | New | 193,317 | $901K |
| D. E. Shaw & Co. | 0.00% | Reduce -45.8% | 190,992 | $890K |
| Victory Capital Management Inc. | 0.00% | Add +19.5% | 186,747 | $870K |
| Stifel Financial Corp. | 0.00% | Reduce -16.2% | 179,296 | $836K |
| Barclays PLC | 0.00% | Add +132.4% | 176,800 | $824K |
| Ameriprise Financial Inc. | 0.00% | Add +70.9% | 176,209 | $821K |
| Alphabet Inc. | 0.04% | No change | 175,866 | $820K |
| Massachusetts Financial Services Co. | 0.00% | Add +54.7% | 174,718 | $814K |
| Medici Capital LLC | 1.52% | No change | 167,191 | $779K |
| Nordea Investment Management AB | 0.00% | Reduce -1.4% | 157,742 | $762K |
| Jane Street Group, LLC | 0.00% | Add +24.2% | 154,942 | $722K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -7.1% | 143,061 | $667K |
| Wellington Management Group LLP | 0.00% | New | 137,152 | $639K |
| Swiss National Bank | 0.00% | No change | 131,900 | $615K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.9% | 123,716 | $577K |
| TD Asset Management Inc | 0.00% | No change | 111,738 | $550K |
| UBS Group AG | 0.00% | Add +10.7% | 116,952 | $545K |
| Rhumbline Advisers | 0.00% | Add +3.7% | 114,004 | $531K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 100,000 | $491K |
| STRS Ohio | 0.00% | No change | 102,600 | $478K |
| Trexquant Investment LP | 0.01% | Reduce -30.1% | 102,463 | $477K |
| Cercano Management LLC | 0.01% | New | 93,633 | $436K |
| Point72 Asset Management | 0.00% | Reduce -86.2% | 84,538 | $394K |
| Baillie Gifford & Co. | 0.00% | Reduce -69.7% | 78,835 | $367K |
| Alps Advisors Inc. | 0.00% | Add +2.7% | 77,232 | $360K |
| Susquehanna International Group, LLP | 0.00% | Add +269.9% | 76,540 | $357K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +9.9% | 74,887 | $350K |
| Rafferty Asset Management, LLC | 0.00% | Reduce -27.7% | 72,750 | $339K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -13.3% | 72,625 | $338K |
| Cannell & Spears LLC | 0.01% | No change | 65,663 | $306K |
| California State Teachers Retirement System | 0.00% | Reduce -2.9% | 64,740 | $302K |
| Verition Fund Management LLC | 0.00% | Reduce -88.0% | 64,369 | $300K |
| American Century Companies Inc. | 0.00% | Add +27.5% | 63,838 | $297K |
| Algert Global LLC | 0.01% | Add +42.3% | 61,912 | $289K |
| Legal & General Group Plc | 0.00% | Reduce -0.3% | 60,853 | $284K |
| Citigroup Inc. | 0.00% | Add +84.7% | 60,075 | $280K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -10.9% | 56,286 | $262K |
| Marshall Wace, LLP | 0.00% | Add +2.6% | 54,000 | $252K |
| Utah Retirement Systems | 0.00% | No change | 51,430 | $240K |
| Millennium Management | 0.00% | Reduce -67.3% | 51,218 | $239K |
| MetLife Investment Management, LLC | 0.00% | No change | 50,369 | $235K |
| HRT Financial LP | 0.00% | New | 49,363 | $230K |
| Simplex Trading, LLC | 0.01% | Add +97.8% | 46,344 | $215K |
| HSBC Holdings PLC | 0.00% | Reduce -2.4% | 45,979 | $214K |
| Man Group plc | 0.00% | Reduce -33.9% | 44,649 | $208K |
| EntryPoint Capital, LLC | 0.12% | Reduce -56.4% | 43,751 | $204K |
| Corebridge Financial, Inc. | 0.00% | Reduce -0.6% | 43,151 | $201K |
| Engineers Gate Manager LP | 0.00% | Add +51.3% | 40,207 | $187K |
| Invesco Ltd. | 0.00% | Add +3.0% | 37,580 | $175K |
| Federated Hermes, Inc. | 0.00% | Reduce -51.2% | 33,436 | $156K |
| Amundi | 0.00% | No change | 31,790 | $147K |
| SG Americas Securities, LLC | 0.00% | Reduce -52.1% | 30,753 | $143K |
| Jasper Ridge Partners, L.P. | 0.00% | No change | 30,632 | $143K |
| XTX Topco Ltd | 0.01% | Reduce -8.0% | 28,590 | $133K |
| Voya Investment Management LLC | 0.00% | Reduce -1.1% | 27,541 | $128K |
| Blackstone Inc. | 0.00% | No change | 25,715 | $120K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 25,570 | $119K |
| Wells Fargo & Company | 0.00% | Reduce -3.0% | 25,313 | $118K |
| Janus Henderson Group PLC | 0.00% | No change | 23,340 | $109K |
| Corton Capital Inc. | 0.05% | Reduce -70.9% | 23,237 | $108K |
"% of holder's portfolio" is ALEC's weight in each manager's 13F, not the share of Alector Inc. the manager owns.