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 2022
Institutional positions in Alector, Inc. as of Sep 30, 2022. 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
- 168
- +14 vs. Q2 2022
- Shares held
- 54.6M
- +754.7K (+1.4%) vs. Q2 2022
- Total value
- $516.1M
- −$30.7M (−5.6%) vs. Q2 2022
- New holders
- 28
- 59 more added
- Sold out
- 14
- 44 more reduced
Compare with Q2 2022: 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 2022
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Swedbank AB | 75,900 | $718.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 77,011 | $728.0K | 0.00% | −503−0.6% | Reduced |
| BNP Paribas Arbitrage, SA | 77,147 | $729.8K | 0.00% | +63,069+448.0% | Added |
| Rhumbline Advisers | 79,068 | $748.0K | 0.00% | +3,762+5.0% | Added |
| State of Wisconsin Investment Board | 81,585 | $772.0K | 0.00% | +25,003+44.2% | Added |
| Russell Investments Group, Ltd. | 84,715 | $800.0K | 0.00% | +29,795+54.3% | Added |
| Nantahala Capital Management, LLC | 85,514 | $809.0K | 0.08% | −6,662−7.2% | Reduced |
| Citadel Advisors LLC | 85,824 | $812.0K | 0.00% | −36,053−29.6% | Reduced |
| Virginia Retirement Systems Et Al | 90,800 | $859.0K | 0.01% | +90,800 | New |
| Candriam Luxembourg S.C.A. | 92,113 | $871.0K | 0.01% | +92,113 | New |
| Tang Capital Management LLC | 100,000 | $946.0K | 0.12% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 103,693 | $981.0K | 0.00% | +103,693 | New |
| Newtyn Management, LLC | 105,000 | $993.0K | 0.22% | 00.0% | Unchanged |
| Verition Fund Management LLC | 105,590 | $999.0K | 0.01% | +105,590 | New |
| Putnam Investments LLC | 106,986 | $1.01M | 0.00% | −1,937−1.8% | Reduced |
| Point72 Asset Management, L.P. | 109,200 | $1.03M | 0.00% | +109,200 | New |
| Cannell Peter B & Co Inc | 114,072 | $1.08M | 0.04% | −20,200−15.0% | Reduced |
| Massachusetts Financial Services Co | 115,768 | $1.09M | 0.00% | +82,625+249.3% | Added |
| Swiss National Bank | 126,900 | $1.20M | 0.00% | +2,000+1.6% | Added |
| Platinum Investment Management Ltd | 145,840 | $1.38M | 0.06% | +40,226+38.1% | Added |
| AlphaCrest Capital Management LLC | 154,590 | $1.46M | 0.09% | +144,190+1,386.4% | Added |
| Barclays PLC | 156,608 | $1.48M | 0.00% | +137,308+711.4% | Added |
| Alliancebernstein L.P. | 157,700 | $1.49M | 0.00% | +95,000+151.5% | Added |
| Alphabet Inc. | 175,866 | $1.66M | 0.08% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 175,988 | $1.67M | 0.01% | +110,938+170.5% | Added |
| Millennium Management LLC | 176,571 | $1.67M | 0.00% | −438,173−71.3% | Reduced |
| Citigroup Inc | 179,436 | $1.70M | 0.00% | +24,663+15.9% | Added |
| Acadian Asset Management LLC | 182,231 | $1.73M | 0.01% | +85,254+87.9% | Added |
| ExodusPoint Capital Management, LP | 185,815 | $1.76M | 0.02% | +159,928+617.8% | Added |
| Rafferty Asset Management, LLC | 187,107 | $1.77M | 0.02% | +44,289+31.0% | Added |
| Nordea Investment Management AB | 180,646 | $1.79M | 0.00% | −2,246−1.2% | Reduced |
| Ameriprise Financial Inc | 190,335 | $1.80M | 0.00% | +120,802+173.7% | Added |
| Susquehanna International Group, LLP | 195,046 | $1.84M | 0.00% | +177,667+1,022.3% | Added |
| Schroder Investment Management Group | 202,623 | $1.92M | 0.00% | −122,950−37.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 205,470 | $1.94M | 0.02% | +205,470 | New |
| Bank of New York Mellon Corp | 223,551 | $2.12M | 0.00% | +19,333+9.5% | Added |
| Baker Bros. Advisors LP | 239,228 | $2.26M | 0.01% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 256,094 | $2.42M | 0.01% | +229,951+879.6% | Added |
| Two Sigma Investments, LP | 279,433 | $2.64M | 0.01% | +18,207+7.0% | Added |
| American Century Companies Inc | 326,771 | $3.09M | 0.00% | +184,488+129.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 331,610 | $3.14M | 0.02% | +148,924+81.5% | Added |
| Nuveen Asset Management, LLC | 335,849 | $3.18M | 0.00% | +58,708+21.2% | Added |
| New Leaf Venture Partners, L.L.C. | 339,569 | $3.21M | 1.91% | 00.0% | Unchanged |
| Bank of America Corp | 368,340 | $3.48M | 0.00% | +138,363+60.2% | Added |
| Pier Capital, LLC | 371,186 | $3.51M | 0.60% | +95,557+34.7% | Added |
| Baillie Gifford & Co | 371,837 | $3.52M | 0.00% | +17,345+4.9% | Added |
| Two Sigma Advisers, LP | 390,700 | $3.70M | 0.01% | −20,600−5.0% | Reduced |
| Charles Schwab Investment Management Inc | 445,271 | $4.21M | 0.00% | +17,263+4.0% | Added |
| DAFNA Capital Management LLC | 532,438 | $5.04M | 1.35% | −20,000−3.6% | Reduced |
| Goldman Sachs Group Inc | 567,292 | $5.37M | 0.00% | +147,775+35.2% | Added |
| Morgan Stanley | 571,683 | $5.41M | 0.00% | −242,189−29.8% | Reduced |
| Northern Trust Corp | 593,807 | $5.62M | 0.00% | −2,186−0.4% | Reduced |
| AQR Capital Management LLC | 656,028 | $6.21M | 0.02% | +303,497+86.1% | Added |
| Norges Bank | 665,304 | $6.29M | 0.00% | +30,148+4.7% | Added |
| Renaissance Technologies LLC | 720,583 | $6.82M | 0.01% | −246,000−25.5% | Reduced |
| Rubric Capital Management LP | 900,000 | $8.51M | 0.43% | 00.0% | Unchanged |
| Euclidean Capital LLC | 980,894 | $9.28M | 8.61% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 1,055,192 | $9.98M | 0.20% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,118,528 | $10.6M | 0.00% | +24,471+2.2% | Added |
| Franklin Resources Inc | 1,598,454 | $15.1M | 0.01% | −289,336−15.3% | Reduced |
| Price T Rowe Associates Inc | 1,743,391 | $16.5M | 0.00% | −104,734−5.7% | Reduced |
| JPMorgan Chase & Co | 2,384,091 | $22.6M | 0.00% | −90,798−3.7% | Reduced |
| State Street Corp | 3,293,597 | $31.2M | 0.00% | −620,739−15.9% | Reduced |
| EcoR1 Capital, LLC | 4,056,548 | $38.4M | 1.13% | 00.0% | Unchanged |
| FMR LLC | 4,724,184 | $44.7M | 0.00% | +24,595+0.5% | Added |
| Federated Hermes, Inc. | 5,656,601 | $53.5M | 0.16% | −90,229−1.6% | Reduced |
| Vanguard Group Inc | 5,753,194 | $54.4M | 0.00% | +44,498+0.8% | Added |
| BlackRock Inc. | 6,003,576 | $56.8M | 0.00% | +178,917+3.1% | Added |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −629,852−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −112,859−100.0% | Sold out |
| Alkeon Capital Management LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −44,337−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −32,518−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −23,249−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −22,610−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −18,200−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −17,463−100.0% | Sold out |
| Hershey Trust Co | 0 | $0 | 0.00% | −5,143−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,901−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −265−100.0% | Sold out |
| Venture Visionary Partners LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Howe & Rusling Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |