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, Q1 2023
Institutional positions in Alector, Inc. as of Mar 31, 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
- −6 vs. Q4 2022
- Shares held
- 58.0M
- +3.17M (+5.8%) vs. Q4 2022
- Total value
- $360.9M
- −$145.1M (−28.7%) vs. Q4 2022
- New holders
- 13
- 52 more added
- Sold out
- 19
- 39 more reduced
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,583,916 | $46.9M | 0.00% | +215,296+2.9% | Added |
| Vanguard Group Inc | 6,404,163 | $39.6M | 0.00% | +39,552+0.6% | Added |
| FMR LLC | 6,387,376 | $39.5M | 0.00% | +1,675,436+35.6% | Added |
| EcoR1 Capital, LLC | 4,056,548 | $25.1M | 0.81% | 00.0% | Unchanged |
| State Street Corp | 3,565,331 | $22.1M | 0.00% | +335,814+10.4% | Added |
| Braidwell LP | 3,206,315 | $19.8M | 0.65% | +2,481,291+342.2% | Added |
| Federated Hermes, Inc. | 2,748,153 | $17.0M | 0.04% | −1,823,507−39.9% | Reduced |
| JPMorgan Chase & Co | 2,381,982 | $14.7M | 0.00% | −38,312−1.6% | Reduced |
| Franklin Resources Inc | 1,594,310 | $9.87M | 0.00% | +809+0.1% | Added |
| Point72 Asset Management, L.P. | 1,333,342 | $8.25M | 0.03% | +1,333,342 | New |
| Geode Capital Management, LLC | 1,218,724 | $7.54M | 0.00% | +26,435+2.2% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,055,192 | $6.53M | 0.15% | 00.0% | Unchanged |
| Euclidean Capital LLC | 980,894 | $6.07M | 5.33% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 964,851 | $5.97M | 0.03% | +282,860+41.5% | Added |
| Price T Rowe Associates Inc | 675,363 | $4.18M | 0.00% | −1,053,350−60.9% | Reduced |
| Renaissance Technologies LLC | 649,961 | $4.02M | 0.01% | +58,149+9.8% | Added |
| Northern Trust Corp | 597,341 | $3.70M | 0.00% | +9,694+1.6% | Added |
| DAFNA Capital Management LLC | 592,438 | $3.67M | 1.10% | +60,000+11.3% | Added |
| Norges Bank | 572,904 | $3.55M | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 472,800 | $2.93M | 0.01% | +76,700+19.4% | Added |
| Bank of America Corp | 471,853 | $2.92M | 0.00% | +47,533+11.2% | Added |
| Charles Schwab Investment Management Inc | 458,947 | $2.84M | 0.00% | +3,498+0.8% | Added |
| Morgan Stanley | 448,962 | $2.78M | 0.00% | −145,998−24.5% | Reduced |
| Dimensional Fund Advisors LP | 439,542 | $2.72M | 0.00% | +274,513+166.3% | Added |
| Jacobs Levy Equity Management, Inc | 428,696 | $2.65M | 0.02% | +214,095+99.8% | Added |
| Nuveen Asset Management, LLC | 427,971 | $2.65M | 0.00% | −22,704−5.0% | Reduced |
| Baillie Gifford & Co | 390,113 | $2.41M | 0.00% | +4,156+1.1% | Added |
| Two Sigma Investments, LP | 366,305 | $2.27M | 0.01% | +115,818+46.2% | Added |
| Pier Capital, LLC | 363,608 | $2.25M | 0.34% | −7,741−2.1% | Reduced |
| Goldman Sachs Group Inc | 341,636 | $2.11M | 0.00% | −173,948−33.7% | Reduced |
| New Leaf Venture Partners, L.L.C. | 339,569 | $2.10M | 1.74% | 00.0% | Unchanged |
| Man Group plc | – | $1.87M | 0.01% | – | – |
| Panagora Asset Management Inc | 298,218 | $1.85M | 0.01% | +112,207+60.3% | Added |
| Rafferty Asset Management, LLC | 248,145 | $1.54M | 0.01% | +40,248+19.4% | Added |
| Ameriprise Financial Inc | 221,516 | $1.37M | 0.00% | +32,911+17.4% | Added |
| Schroder Investment Management Group | 210,665 | $1.30M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 209,087 | $1.29M | 0.00% | −2,691−1.3% | Reduced |
| Citigroup Inc | 208,176 | $1.29M | 0.00% | +108,000+107.8% | Added |
| Los Angeles Capital Management LLC | 202,110 | $1.25M | 0.01% | −46,784−18.8% | Reduced |
| American Century Companies Inc | 203,342 | $1.24M | 0.00% | −129,518−38.9% | Reduced |
| Jupiter Asset Management Ltd | 199,547 | $1.23M | 0.02% | +166,425+502.5% | Added |
| Victory Capital Management Inc | 186,663 | $1.16M | 0.00% | +19,977+12.0% | Added |
| Platinum Investment Management Ltd | 181,689 | $1.12M | 0.04% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 179,783 | $1.11M | 0.00% | +122,083+211.6% | Added |
| Alphabet Inc. | 175,866 | $1.09M | 0.06% | 00.0% | Unchanged |
| Deutsche Bank AG | 156,831 | $970.8K | 0.00% | +6,768+4.5% | Added |
| Newtyn Management, LLC | 155,000 | $959.5K | 0.19% | +10,000+6.9% | Added |
| Susquehanna International Group, LLP | 153,016 | $947.2K | 0.00% | +92,646+153.5% | Added |
| Russell Investments Group, Ltd. | 151,262 | $936.3K | 0.00% | +38,953+34.7% | Added |
| State of Wisconsin Investment Board | 145,997 | $903.7K | 0.00% | +13,399+10.1% | Added |
| Nordea Investment Management AB | 143,620 | $889.0K | 0.00% | −26,247−15.5% | Reduced |
| Algert Global LLC | 127,558 | $789.6K | 0.04% | +26,139+25.8% | Added |
| Barclays PLC | 127,295 | $788.0K | 0.00% | −11,446−8.2% | Reduced |
| BNP Paribas Arbitrage, SA | 122,615 | $759.0K | 0.00% | +13,347+12.2% | Added |
| Swiss National Bank | 116,000 | $718.0K | 0.00% | −13,600−10.5% | Reduced |
| UBS Group AG | 112,412 | $695.8K | 0.00% | −55,684−33.1% | Reduced |
| Cannell Peter B & Co Inc | 110,277 | $682.6K | 0.02% | −2,795−2.5% | Reduced |
| Rhumbline Advisers | 82,832 | $513.0K | 0.00% | −470−0.6% | Reduced |
| Manufacturers Life Insurance Company, The | 76,942 | $476.3K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 76,432 | $473.1K | 0.00% | +76,432 | New |
| PDT Partners, LLC | 76,290 | $472.2K | 0.06% | +20,631+37.1% | Added |
| AQR Capital Management LLC | 75,339 | $466.3K | 0.00% | −104,329−58.1% | Reduced |
| Virginia Retirement Systems Et Al | 74,700 | $462.4K | 0.00% | −16,000−17.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 71,534 | $442.8K | 0.01% | 00.0% | Unchanged |
| California State Teachers Retirement System | 70,345 | $435.4K | 0.00% | −1,285−1.8% | Reduced |
| Credit Suisse AG | 68,676 | $425.1K | 0.00% | +6,376+10.2% | Added |
| STRS Ohio | 67,500 | $417.0K | 0.00% | 00.0% | Unchanged |
| Candriam Luxembourg S.C.A. | 68,368 | $389.5K | 0.00% | −29,570−30.2% | Reduced |
| Walleye Capital LLC | 61,116 | $378.3K | 0.01% | −48,697−44.3% | Reduced |
| Legal & General Group Plc | 55,826 | $345.6K | 0.00% | +2,524+4.7% | Added |
| Alps Advisors Inc | 54,704 | $338.6K | 0.00% | −1,355−2.4% | Reduced |
| Truist Financial Corp | 53,886 | $333.6K | 0.00% | +5,392+11.1% | Added |
| Wells Fargo & Company | 53,307 | $330.0K | 0.00% | +53,305+2,665,250.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 52,923 | $327.6K | 0.00% | +14,220+36.7% | Added |
| Capital Impact Advisors, LLC | 51,465 | $318.6K | 0.39% | −17,162−25.0% | Reduced |
| Profund Advisors LLC | 46,315 | $286.7K | 0.02% | +46,315 | New |
| Cubist Systematic Strategies, LLC | 43,010 | $266.2K | 0.00% | +43,010 | New |
| SG Americas Securities, LLC | 41,445 | $257.0K | 0.00% | +24,230+140.7% | Added |
| Medici Capital LLC | 23,294 | $215.0K | 0.27% | 00.0% | Unchanged |
| MetLife Investment Management | 31,825 | $197.0K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 30,015 | $185.8K | 0.00% | +598+2.0% | Added |
| Wellington Management Group LLP | 29,750 | $184.2K | 0.00% | −728−2.4% | Reduced |
| Principal Financial Group Inc | 28,669 | $177.5K | 0.00% | −3,644−11.3% | Reduced |
| Invesco Ltd. | 28,121 | $174.1K | 0.00% | −54,053−65.8% | Reduced |
| New York State Common Retirement Fund | 27,630 | $171.0K | 0.00% | −13,928−33.5% | Reduced |
| Stifel Financial Corp | 25,767 | $159.5K | 0.00% | +400+1.6% | Added |
| State Board of Administration of Florida Retirement System | 25,390 | $157.2K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 24,722 | $152.7K | 0.00% | +353+1.4% | Added |
| Voya Investment Management LLC | 24,437 | $151.3K | 0.00% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 25,100 | $151.0K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 23,736 | $146.9K | 0.00% | +13,176+124.8% | Added |
| Tejara Capital Ltd | 23,697 | $146.7K | 0.08% | 00.0% | Unchanged |
| Cornercap Investment Counsel Inc | 23,691 | $146.6K | 0.03% | +1,013+4.5% | Added |
| Massachusetts Financial Services Co | 23,329 | $144.4K | 0.00% | −54,268−69.9% | Reduced |
| Engineers Gate Manager LP | 23,320 | $144.4K | 0.01% | +10,225+78.1% | Added |
| Utah Retirement Systems | 20,572 | $127.3K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 20,521 | $127.0K | 0.00% | +20,521 | New |
| Millennium Management LLC | 19,080 | $118.0K | 0.00% | −31,422−62.2% | Reduced |
| Erste Asset Management GmbH | 19,000 | $115.5K | 0.00% | 00.0% | Unchanged |
| NinePointTwo Capital | 18,542 | $114.0K | 0.04% | 00.0% | Unchanged |