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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 6,003,576 | $56.8M | 0.00% | +178,917+3.1% | Added |
| Vanguard Group Inc | 5,753,194 | $54.4M | 0.00% | +44,498+0.8% | Added |
| Federated Hermes, Inc. | 5,656,601 | $53.5M | 0.16% | −90,229−1.6% | Reduced |
| FMR LLC | 4,724,184 | $44.7M | 0.00% | +24,595+0.5% | Added |
| EcoR1 Capital, LLC | 4,056,548 | $38.4M | 1.13% | 00.0% | Unchanged |
| State Street Corp | 3,293,597 | $31.2M | 0.00% | −620,739−15.9% | Reduced |
| JPMorgan Chase & Co | 2,384,091 | $22.6M | 0.00% | −90,798−3.7% | Reduced |
| Price T Rowe Associates Inc | 1,743,391 | $16.5M | 0.00% | −104,734−5.7% | Reduced |
| Franklin Resources Inc | 1,598,454 | $15.1M | 0.01% | −289,336−15.3% | Reduced |
| Geode Capital Management, LLC | 1,118,528 | $10.6M | 0.00% | +24,471+2.2% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,055,192 | $9.98M | 0.20% | 00.0% | Unchanged |
| Euclidean Capital LLC | 980,894 | $9.28M | 8.61% | 00.0% | Unchanged |
| Rubric Capital Management LP | 900,000 | $8.51M | 0.43% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 720,583 | $6.82M | 0.01% | −246,000−25.5% | Reduced |
| Norges Bank | 665,304 | $6.29M | 0.00% | +30,148+4.7% | Added |
| AQR Capital Management LLC | 656,028 | $6.21M | 0.02% | +303,497+86.1% | Added |
| Northern Trust Corp | 593,807 | $5.62M | 0.00% | −2,186−0.4% | Reduced |
| Morgan Stanley | 571,683 | $5.41M | 0.00% | −242,189−29.8% | Reduced |
| Goldman Sachs Group Inc | 567,292 | $5.37M | 0.00% | +147,775+35.2% | Added |
| DAFNA Capital Management LLC | 532,438 | $5.04M | 1.35% | −20,000−3.6% | Reduced |
| Charles Schwab Investment Management Inc | 445,271 | $4.21M | 0.00% | +17,263+4.0% | Added |
| Two Sigma Advisers, LP | 390,700 | $3.70M | 0.01% | −20,600−5.0% | Reduced |
| Baillie Gifford & Co | 371,837 | $3.52M | 0.00% | +17,345+4.9% | Added |
| Pier Capital, LLC | 371,186 | $3.51M | 0.60% | +95,557+34.7% | Added |
| Bank of America Corp | 368,340 | $3.48M | 0.00% | +138,363+60.2% | Added |
| New Leaf Venture Partners, L.L.C. | 339,569 | $3.21M | 1.91% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 335,849 | $3.18M | 0.00% | +58,708+21.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 331,610 | $3.14M | 0.02% | +148,924+81.5% | Added |
| American Century Companies Inc | 326,771 | $3.09M | 0.00% | +184,488+129.7% | Added |
| Two Sigma Investments, LP | 279,433 | $2.64M | 0.01% | +18,207+7.0% | Added |
| Los Angeles Capital Management LLC | 256,094 | $2.42M | 0.01% | +229,951+879.6% | Added |
| Baker Bros. Advisors LP | 239,228 | $2.26M | 0.01% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 223,551 | $2.12M | 0.00% | +19,333+9.5% | Added |
| Jacobs Levy Equity Management, Inc | 205,470 | $1.94M | 0.02% | +205,470 | New |
| Schroder Investment Management Group | 202,623 | $1.92M | 0.00% | −122,950−37.8% | Reduced |
| Susquehanna International Group, LLP | 195,046 | $1.84M | 0.00% | +177,667+1,022.3% | Added |
| Ameriprise Financial Inc | 190,335 | $1.80M | 0.00% | +120,802+173.7% | Added |
| Nordea Investment Management AB | 180,646 | $1.79M | 0.00% | −2,246−1.2% | Reduced |
| Rafferty Asset Management, LLC | 187,107 | $1.77M | 0.02% | +44,289+31.0% | Added |
| ExodusPoint Capital Management, LP | 185,815 | $1.76M | 0.02% | +159,928+617.8% | Added |
| Acadian Asset Management LLC | 182,231 | $1.73M | 0.01% | +85,254+87.9% | Added |
| Citigroup Inc | 179,436 | $1.70M | 0.00% | +24,663+15.9% | Added |
| Millennium Management LLC | 176,571 | $1.67M | 0.00% | −438,173−71.3% | Reduced |
| Panagora Asset Management Inc | 175,988 | $1.67M | 0.01% | +110,938+170.5% | Added |
| Alphabet Inc. | 175,866 | $1.66M | 0.08% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 157,700 | $1.49M | 0.00% | +95,000+151.5% | Added |
| Barclays PLC | 156,608 | $1.48M | 0.00% | +137,308+711.4% | Added |
| AlphaCrest Capital Management LLC | 154,590 | $1.46M | 0.09% | +144,190+1,386.4% | Added |
| Platinum Investment Management Ltd | 145,840 | $1.38M | 0.06% | +40,226+38.1% | Added |
| Swiss National Bank | 126,900 | $1.20M | 0.00% | +2,000+1.6% | Added |
| Massachusetts Financial Services Co | 115,768 | $1.09M | 0.00% | +82,625+249.3% | Added |
| Cannell Peter B & Co Inc | 114,072 | $1.08M | 0.04% | −20,200−15.0% | Reduced |
| Point72 Asset Management, L.P. | 109,200 | $1.03M | 0.00% | +109,200 | New |
| Putnam Investments LLC | 106,986 | $1.01M | 0.00% | −1,937−1.8% | Reduced |
| Verition Fund Management LLC | 105,590 | $999.0K | 0.01% | +105,590 | New |
| Newtyn Management, LLC | 105,000 | $993.0K | 0.22% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 103,693 | $981.0K | 0.00% | +103,693 | New |
| Tang Capital Management LLC | 100,000 | $946.0K | 0.12% | 00.0% | Unchanged |
| Candriam Luxembourg S.C.A. | 92,113 | $871.0K | 0.01% | +92,113 | New |
| Virginia Retirement Systems Et Al | 90,800 | $859.0K | 0.01% | +90,800 | New |
| Citadel Advisors LLC | 85,824 | $812.0K | 0.00% | −36,053−29.6% | Reduced |
| Nantahala Capital Management, LLC | 85,514 | $809.0K | 0.08% | −6,662−7.2% | Reduced |
| Russell Investments Group, Ltd. | 84,715 | $800.0K | 0.00% | +29,795+54.3% | Added |
| State of Wisconsin Investment Board | 81,585 | $772.0K | 0.00% | +25,003+44.2% | Added |
| Rhumbline Advisers | 79,068 | $748.0K | 0.00% | +3,762+5.0% | Added |
| BNP Paribas Arbitrage, SA | 77,147 | $729.8K | 0.00% | +63,069+448.0% | Added |
| Manufacturers Life Insurance Company, The | 77,011 | $728.0K | 0.00% | −503−0.6% | Reduced |
| Swedbank AB | 75,900 | $718.0K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 72,900 | $689.0K | 0.00% | +4,100+6.0% | Added |
| Man Group plc | 71,628 | $678.0K | 0.00% | – | – |
| California State Teachers Retirement System | 70,592 | $668.0K | 0.00% | −1,544−2.1% | Reduced |
| UBS Asset Management Americas Inc | 69,376 | $656.3K | 0.00% | 00.0% | Unchanged |
| Capital Impact Advisors, LLC | 79,338 | $624.0K | 0.62% | +6,632+9.1% | Added |
| Dark Forest Capital Management LP | 62,368 | $590.0K | 0.11% | +62,368 | New |
| Legal & General Group Plc | 51,748 | $490.0K | 0.00% | +1,408+2.8% | Added |
| Truist Financial Corp | 50,479 | $477.0K | 0.00% | +1,233+2.5% | Added |
| SEI Investments Co | 48,779 | $461.0K | 0.00% | +48,779 | New |
| Graham Capital Management, L.P. | 45,580 | $431.0K | 0.02% | +45,580 | New |
| Alps Advisors Inc | 45,055 | $426.0K | 0.00% | −3,786−7.8% | Reduced |
| Credit Suisse AG | 44,902 | $425.0K | 0.00% | −183−0.4% | Reduced |
| Advisor Group Holdings, Inc. | 44,305 | $419.0K | 0.00% | +43,656+6,726.7% | Added |
| New York State Common Retirement Fund | 41,542 | $393.0K | 0.00% | +118+0.3% | Added |
| SG Americas Securities, LLC | 40,388 | $382.0K | 0.01% | +2,356+6.2% | Added |
| HRT Financial LP | 40,404 | $382.0K | 0.00% | +40,404 | New |
| Mirae Asset Global Investments Co., Ltd. | 38,671 | $365.0K | 0.00% | +7,986+26.0% | Added |
| TrimTabs Asset Management, LLC | 38,308 | $362.0K | 0.25% | +38,308 | New |
| Deutsche Bank AG | 37,849 | $358.0K | 0.00% | −4,360−10.3% | Reduced |
| Tudor Investment Corp Et Al | 36,879 | $349.0K | 0.01% | +36,879 | New |
| UBS Group AG | 35,708 | $338.0K | 0.00% | −46,500−56.6% | Reduced |
| Cubist Systematic Strategies, LLC | 35,311 | $334.0K | 0.00% | −54,134−60.5% | Reduced |
| NinePointTwo Capital | 35,042 | $331.0K | 0.13% | −8,772−20.0% | Reduced |
| Jane Street Group, LLC | 34,223 | $324.0K | 0.00% | +19,510+132.6% | Added |
| Jupiter Asset Management Ltd | 33,122 | $313.0K | 0.00% | +33,122 | New |
| TD Asset Management Inc | 32,969 | $312.0K | 0.00% | −6,900−17.3% | Reduced |
| Envestnet Asset Management Inc | 32,736 | $310.0K | 0.00% | +32,736 | New |
| MetLife Investment Management | 31,825 | $301.1K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 31,018 | $294.0K | 0.00% | +1,526+5.2% | Added |
| Wellington Management Group LLP | 30,567 | $290.0K | 0.00% | −1,202−3.8% | Reduced |
| American International Group, Inc. | 29,524 | $279.0K | 0.00% | +417+1.4% | Added |
| Algert Global LLC | 27,539 | $261.0K | 0.02% | −7,723−21.9% | Reduced |