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 $183.4M in total; no superinvestor holds it.
13F holders, Q3 2023
Institutional positions in Alector, Inc. as of Sep 30, 2023. 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
- 149
- +4 vs. Q2 2023
- Shares held
- 62.1M
- +3.07M (+5.2%) vs. Q2 2023
- Total value
- $402.6M
- +$48.1M (+13.6%) vs. Q2 2023
- New holders
- 20
- 59 more added
- Sold out
- 16
- 40 more reduced
Compare with Q2 2023: 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 | $183.4M |
| Q1 2026 | 138 | $190.0M |
| Q4 2025 | 131 | $131.5M |
| Q3 2025 | 149 | $221.2M |
| Q2 2025 | 136 | $98.7M |
| Q1 2025 | 141 | $89.1M |
| Q4 2024 | 150 | $138.8M |
| Q3 2024 | 159 | $338.4M |
| Q2 2024 | 160 | $330.4M |
| Q1 2024 | 157 | $446.6M |
| Q4 2023 | 148 | $510.1M |
| Q3 2023 | 149 | $402.6M |
| Q2 2023 | 145 | $354.5M |
| Q1 2023 | 149 | $360.9M |
| Q4 2022 | 155 | $506.0M |
| Q3 2022 | 168 | $516.1M |
| Q2 2022 | 154 | $546.8M |
| Q1 2022 | 166 | $789.8M |
| Q4 2021 | 167 | $1.13B |
| Q3 2021 | 145 | $1.19B |
| Q2 2021 | 138 | $1.02B |
| Q1 2021 | 127 | $931.7M |
Institutions, Q3 2023
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DekaBank Deutsche Girozentrale | 100,000 | $662.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 102,431 | $663.8K | 0.00% | −185,285−64.4% | Reduced |
| D. E. Shaw & Co., Inc. | 119,018 | $771.2K | 0.00% | +100,823+554.1% | Added |
| TD Asset Management Inc | 119,138 | $772.0K | 0.00% | +107,869+957.2% | Added |
| Russell Investments Group, Ltd. | 120,120 | $778.4K | 0.00% | +20,105+20.1% | Added |
| Victory Capital Management Inc | 134,718 | $873.0K | 0.00% | −14,765−9.9% | Reduced |
| Swiss National Bank | 135,600 | $878.7K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 138,826 | $899.6K | 0.00% | +26,856+24.0% | Added |
| State of Wisconsin Investment Board | 147,744 | $957.4K | 0.00% | +3,611+2.5% | Added |
| Acadian Asset Management LLC | 153,266 | $993.0K | 0.00% | +62,155+68.2% | Added |
| Federated Hermes, Inc. | 155,656 | $1.01M | 0.00% | −332,078−68.1% | Reduced |
| Verition Fund Management LLC | 167,004 | $1.08M | 0.01% | +167,004 | New |
| Los Angeles Capital Management LLC | 170,198 | $1.10M | 0.00% | +170,198 | New |
| Alphabet Inc. | 175,866 | $1.14M | 0.07% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 186,624 | $1.21M | 0.01% | +20,328+12.2% | Added |
| HRT Financial LP | 193,294 | $1.25M | 0.01% | +193,294 | New |
| Nordea Investment Management AB | 202,707 | $1.34M | 0.00% | +690.0% | Added |
| Bank of New York Mellon Corp | 231,995 | $1.50M | 0.00% | −2,776−1.2% | Reduced |
| Jupiter Asset Management Ltd | 232,219 | $1.50M | 0.02% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 248,219 | $1.61M | 0.00% | −58,271−19.0% | Reduced |
| Panagora Asset Management Inc | 293,534 | $1.90M | 0.01% | +51,440+21.2% | Added |
| Alliancebernstein L.P. | 329,621 | $2.14M | 0.00% | +134,931+69.3% | Added |
| New Leaf Venture Partners, L.L.C. | 339,569 | $2.20M | 2.83% | 00.0% | Unchanged |
| Millennium Management LLC | 356,765 | $2.31M | 0.00% | +296,300+490.0% | Added |
| Baillie Gifford & Co | 367,972 | $2.38M | 0.00% | −17,092−4.4% | Reduced |
| Two Sigma Advisers, LP | 389,000 | $2.52M | 0.01% | −55,900−12.6% | Reduced |
| Bank of America Corp | 424,613 | $2.75M | 0.00% | +69,448+19.6% | Added |
| Nuveen Asset Management, LLC | 431,546 | $2.80M | 0.00% | +1,507+0.4% | Added |
| Charles Schwab Investment Management Inc | 482,222 | $3.12M | 0.00% | +12,569+2.7% | Added |
| Renaissance Technologies LLC | 502,203 | $3.25M | 0.01% | −184,880−26.9% | Reduced |
| DAFNA Capital Management LLC | 628,938 | $4.08M | 1.27% | −10,000−1.6% | Reduced |
| Northern Trust Corp | 636,065 | $4.12M | 0.00% | +20,198+3.3% | Added |
| Dimensional Fund Advisors LP | 681,225 | $4.42M | 0.00% | +128,401+23.2% | Added |
| Point72 Asset Management, L.P. | 738,782 | $4.79M | 0.02% | −992,366−57.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 778,077 | $5.04M | 0.03% | +195,411+33.5% | Added |
| Franklin Resources Inc | 959,162 | $6.22M | 0.00% | −652,262−40.5% | Reduced |
| Baker Bros. Advisors LP | 964,851 | $6.25M | 0.04% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 1,055,192 | $6.84M | 0.15% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 1,146,967 | $7.43M | 0.00% | +482,077+72.5% | Added |
| Geode Capital Management, LLC | 1,303,077 | $8.44M | 0.00% | +13,355+1.0% | Added |
| Euclidean Capital LLC | 1,307,858 | $8.47M | 1.85% | +326,964+33.3% | Added |
| JPMorgan Chase & Co | 2,288,369 | $14.8M | 0.00% | −105,695−4.4% | Reduced |
| State Street Corp | 2,836,707 | $18.4M | 0.00% | +117,560+4.3% | Added |
| Morgan Stanley | 3,337,386 | $21.6M | 0.00% | +1,605,293+92.7% | Added |
| EcoR1 Capital, LLC | 4,056,548 | $26.3M | 0.90% | 00.0% | Unchanged |
| Braidwell LP | 4,074,120 | $26.4M | 0.83% | −57,195−1.4% | Reduced |
| Vanguard Group Inc | 5,520,908 | $35.8M | 0.00% | −1,107,318−16.7% | Reduced |
| BlackRock Inc. | 7,730,978 | $50.1M | 0.00% | −94,575−1.2% | Reduced |
| FMR LLC | 12,172,045 | $78.9M | 0.01% | +4,481,420+58.3% | Added |
| Norges Bank | 0 | $0 | 0.00% | −533,791−100.0% | Sold out |
| Pier Capital, LLC | 0 | $0 | 0.00% | −358,963−100.0% | Sold out |
| Platinum Investment Management Ltd | 0 | $0 | 0.00% | −181,689−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −154,266−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −45,540−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −27,326−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −26,960−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −23,366−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −20,637−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −17,564−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −15,788−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −15,456−100.0% | Sold out |
| Vident Investment Advisory, LLC | 0 | $0 | 0.00% | −14,916−100.0% | Sold out |
| Washington Trust Advisors, Inc. | 0 | $0 | 0.00% | −156−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |