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 2021
Institutional positions in Alector, Inc. as of Jun 30, 2021. 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
- 138
- +11 vs. Q1 2021
- Shares held
- 49.2M
- +2.86M (+6.2%) vs. Q1 2021
- Total value
- $1.02B
- +$92.9M (+10.0%) vs. Q1 2021
- New holders
- 28
- 49 more added
- Sold out
- 17
- 31 more reduced
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 112,916 | $2.35M | 0.00% | +33,002+41.3% | Added |
| Two Sigma Advisers, LP | 113,500 | $2.36M | 0.01% | −207,300−64.6% | Reduced |
| Swiss National Bank | 114,000 | $2.38M | 0.00% | +14,400+14.5% | Added |
| Deutsche Bank AG | 122,037 | $2.54M | 0.00% | +72,788+147.8% | Added |
| Bank of America Corp | 127,775 | $2.66M | 0.00% | +2,518+2.0% | Added |
| Cannell Peter B & Co Inc | 144,122 | $3.00M | 0.09% | −200−0.1% | Reduced |
| Schroder Investment Management Group | 148,711 | $3.10M | 0.00% | +148,711 | New |
| Citigroup Inc | 151,244 | $3.15M | 0.00% | −5,397−3.4% | Reduced |
| Bank of New York Mellon Corp | 168,346 | $3.51M | 0.00% | −13,965−7.7% | Reduced |
| Alphabet Inc. | 175,866 | $3.66M | 0.07% | 00.0% | Unchanged |
| Bridger Management, LLC | 203,900 | $4.25M | 0.40% | +203,900 | New |
| Norges Bank | 224,973 | $4.69M | 0.00% | +16,979+8.2% | Added |
| Nuveen Asset Management, LLC | 232,240 | $4.84M | 0.00% | +23,580+11.3% | Added |
| Baker Bros. Advisors LP | 239,228 | $4.98M | 0.02% | 00.0% | Unchanged |
| Citadel Advisors LLC | 294,897 | $6.14M | 0.01% | +253,608+614.2% | Added |
| Baillie Gifford & Co | 300,828 | $6.27M | 0.00% | +38,615+14.7% | Added |
| Pier Capital, LLC | 336,914 | $7.02M | 0.70% | −168,489−33.3% | Reduced |
| New Leaf Venture Partners, L.L.C. | 339,569 | $7.07M | 2.32% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 374,193 | $7.79M | 0.00% | +28,557+8.3% | Added |
| Goldman Sachs Group Inc | 526,369 | $11.0M | 0.00% | −182,512−25.7% | Reduced |
| Morgan Stanley | 603,561 | $12.6M | 0.00% | −344,903−36.4% | Reduced |
| OrbiMed Advisors LLC | 611,478 | $12.7M | 0.13% | 00.0% | Unchanged |
| Northern Trust Corp | 616,848 | $12.8M | 0.00% | +67,404+12.3% | Added |
| Ikarian Capital, LLC | 674,723 | $14.1M | 2.51% | +417,223+162.0% | Added |
| Gilder Gagnon Howe & Co LLC | 871,959 | $18.2M | 0.09% | −960,731−52.4% | Reduced |
| Geode Capital Management, LLC | 980,607 | $20.4M | 0.00% | +131,612+15.5% | Added |
| Euclidean Capital LLC | 980,894 | $20.4M | 6.63% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 1,055,192 | $22.0M | 0.39% | 00.0% | Unchanged |
| Casdin Capital, LLC | 1,650,000 | $34.4M | 0.87% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 2,621,813 | $54.6M | 0.01% | −71,761−2.7% | Reduced |
| JPMorgan Chase & Co | 2,645,842 | $55.1M | 0.01% | +28,444+1.1% | Added |
| State Street Corp | 2,741,330 | $57.1M | 0.00% | +28,234+1.0% | Added |
| Franklin Resources Inc | 3,323,265 | $69.2M | 0.03% | +65,157+2.0% | Added |
| FMR LLC | 4,092,092 | $85.2M | 0.01% | +334,300+8.9% | Added |
| EcoR1 Capital, LLC | 4,242,634 | $88.4M | 3.32% | +3,640,034+604.1% | Added |
| Federated Hermes, Inc. | 4,541,799 | $94.6M | 0.18% | −100,000−2.2% | Reduced |
| Vanguard Group Inc | 4,931,320 | $102.7M | 0.00% | −238,219−4.6% | Reduced |
| BlackRock Inc. | 5,185,764 | $108.0M | 0.00% | −97,745−1.9% | Reduced |
| DAFNA Capital Management LLC | 0 | $0 | 0.00% | −127,500−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −154,783−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −94,100−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −42,317−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −33,670−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −21,475−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −18,466−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −10,753−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −2,918−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −1,413−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −396−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −230−100.0% | Sold out |
| Manchester Financial Inc | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Sargent Bickham Lagudis LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −208−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −152−100.0% | Sold out |