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, Q2 2023
Institutional positions in Alector, Inc. as of Jun 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
- 145
- −4 vs. Q1 2023
- Shares held
- 59.0M
- +990.9K (+1.7%) vs. Q1 2023
- Total value
- $354.5M
- −$6.37M (−1.8%) vs. Q1 2023
- New holders
- 15
- 55 more added
- Sold out
- 19
- 36 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of Wisconsin Investment Board | 144,133 | $866.2K | 0.00% | −1,864−1.3% | Reduced |
| Victory Capital Management Inc | 149,483 | $898.4K | 0.00% | −37,180−19.9% | Reduced |
| Wellington Management Group LLP | 154,266 | $927.1K | 0.00% | +124,516+418.5% | Added |
| Rafferty Asset Management, LLC | 166,296 | $999.4K | 0.01% | −81,849−33.0% | Reduced |
| Ameriprise Financial Inc | 171,126 | $1.03M | 0.00% | −50,390−22.7% | Reduced |
| Alphabet Inc. | 175,866 | $1.06M | 0.06% | 00.0% | Unchanged |
| Platinum Investment Management Ltd | 181,689 | $1.09M | 0.04% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 194,690 | $1.17M | 0.00% | +14,907+8.3% | Added |
| Nordea Investment Management AB | 202,638 | $1.22M | 0.00% | +59,018+41.1% | Added |
| Citadel Advisors LLC | 221,151 | $1.33M | 0.00% | +221,151 | New |
| Jupiter Asset Management Ltd | 232,219 | $1.39M | 0.02% | +32,672+16.4% | Added |
| Bank of New York Mellon Corp | 234,771 | $1.41M | 0.00% | +25,684+12.3% | Added |
| Panagora Asset Management Inc | 242,094 | $1.45M | 0.01% | −56,124−18.8% | Reduced |
| Deutsche Bank AG | 281,230 | $1.69M | 0.00% | +124,399+79.3% | Added |
| Two Sigma Investments, LP | 287,716 | $1.73M | 0.00% | −78,589−21.5% | Reduced |
| Goldman Sachs Group Inc | 306,490 | $1.84M | 0.00% | −35,146−10.3% | Reduced |
| New Leaf Venture Partners, L.L.C. | 339,569 | $2.04M | 1.75% | 00.0% | Unchanged |
| Bank of America Corp | 355,165 | $2.13M | 0.00% | −116,688−24.7% | Reduced |
| Pier Capital, LLC | 358,963 | $2.16M | 0.31% | −4,645−1.3% | Reduced |
| Baillie Gifford & Co | 385,064 | $2.31M | 0.00% | −5,049−1.3% | Reduced |
| Nuveen Asset Management, LLC | 430,039 | $2.58M | 0.00% | +2,068+0.5% | Added |
| Two Sigma Advisers, LP | 444,900 | $2.67M | 0.01% | −27,900−5.9% | Reduced |
| Charles Schwab Investment Management Inc | 469,653 | $2.82M | 0.00% | +10,706+2.3% | Added |
| Federated Hermes, Inc. | 487,734 | $2.93M | 0.01% | −2,260,419−82.3% | Reduced |
| Norges Bank | 533,791 | $3.21M | 0.00% | −39,113−6.8% | Reduced |
| Dimensional Fund Advisors LP | 552,824 | $3.32M | 0.00% | +113,282+25.8% | Added |
| Jacobs Levy Equity Management, Inc | 582,666 | $3.50M | 0.02% | +153,970+35.9% | Added |
| Northern Trust Corp | 615,867 | $3.70M | 0.00% | +18,526+3.1% | Added |
| DAFNA Capital Management LLC | 638,938 | $3.84M | 1.05% | +46,500+7.8% | Added |
| Price T Rowe Associates Inc | 664,890 | $4.00M | 0.00% | −10,473−1.6% | Reduced |
| Renaissance Technologies LLC | 687,083 | $4.13M | 0.01% | +37,122+5.7% | Added |
| Baker Bros. Advisors LP | 964,851 | $5.80M | 0.03% | 00.0% | Unchanged |
| Euclidean Capital LLC | 980,894 | $5.90M | 1.51% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 1,055,192 | $6.34M | 0.14% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,289,722 | $7.75M | 0.00% | +70,998+5.8% | Added |
| Franklin Resources Inc | 1,611,424 | $9.68M | 0.00% | +17,114+1.1% | Added |
| Point72 Asset Management, L.P. | 1,731,148 | $10.4M | 0.04% | +397,806+29.8% | Added |
| Morgan Stanley | 1,732,093 | $10.4M | 0.00% | +1,283,131+285.8% | Added |
| JPMorgan Chase & Co | 2,394,064 | $14.4M | 0.00% | +12,082+0.5% | Added |
| State Street Corp | 2,719,147 | $16.3M | 0.00% | −846,184−23.7% | Reduced |
| EcoR1 Capital, LLC | 4,056,548 | $24.4M | 0.64% | 00.0% | Unchanged |
| Braidwell LP | 4,131,315 | $24.8M | 0.81% | +925,000+28.8% | Added |
| Vanguard Group Inc | 6,628,226 | $39.8M | 0.00% | +224,063+3.5% | Added |
| FMR LLC | 7,690,625 | $46.2M | 0.00% | +1,303,249+20.4% | Added |
| BlackRock Inc. | 7,825,553 | $47.0M | 0.00% | +241,637+3.2% | Added |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −210,665−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −202,110−100.0% | Sold out |
| Newtyn Management, LLC | 0 | $0 | 0.00% | −155,000−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −68,368−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −61,116−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −43,010−100.0% | Sold out |
| Tejara Capital Ltd | 0 | $0 | 0.00% | −23,697−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −23,320−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −20,521−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −17,805−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −16,622−100.0% | Sold out |
| Hamilton Lane Advisors LLC | 0 | $0 | 0.00% | −14,402−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −14,089−100.0% | Sold out |
| BKD Wealth Advisors, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −6,482−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −6,058−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −539−100.0% | Sold out |
| Investors Research Corp | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −86−100.0% | Sold out |