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 $192.7M 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 | $192.7M |
| Q1 2026 | 138 | $190.0M |
| Q4 2025 | 131 | $132.3M |
| Q3 2025 | 149 | $221.6M |
| Q2 2025 | 136 | $99.2M |
| Q1 2025 | 141 | $89.8M |
| Q4 2024 | 150 | $138.8M |
| Q3 2024 | 159 | $351.1M |
| Q2 2024 | 160 | $337.9M |
| Q1 2024 | 157 | $496.8M |
| Q4 2023 | 148 | $562.1M |
| Q3 2023 | 149 | $411.0M |
| Q2 2023 | 145 | $354.5M |
| Q1 2023 | 149 | $400.9M |
| Q4 2022 | 155 | $506.0M |
| Q3 2022 | 168 | $517.1M |
| Q2 2022 | 154 | $546.8M |
| Q1 2022 | 166 | $789.9M |
| Q4 2021 | 167 | $1.14B |
| 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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,825,553 | $47.0M | 0.00% | +241,637+3.2% | Added |
| FMR LLC | 7,690,625 | $46.2M | 0.00% | +1,303,249+20.4% | Added |
| Vanguard Group Inc | 6,628,226 | $39.8M | 0.00% | +224,063+3.5% | Added |
| Braidwell LP | 4,131,315 | $24.8M | 0.81% | +925,000+28.8% | Added |
| EcoR1 Capital, LLC | 4,056,548 | $24.4M | 0.64% | 00.0% | Unchanged |
| State Street Corp | 2,719,147 | $16.3M | 0.00% | −846,184−23.7% | Reduced |
| JPMorgan Chase & Co | 2,394,064 | $14.4M | 0.00% | +12,082+0.5% | Added |
| Morgan Stanley | 1,732,093 | $10.4M | 0.00% | +1,283,131+285.8% | Added |
| Point72 Asset Management, L.P. | 1,731,148 | $10.4M | 0.04% | +397,806+29.8% | Added |
| Franklin Resources Inc | 1,611,424 | $9.68M | 0.00% | +17,114+1.1% | Added |
| Geode Capital Management, LLC | 1,289,722 | $7.75M | 0.00% | +70,998+5.8% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,055,192 | $6.34M | 0.14% | 00.0% | Unchanged |
| Euclidean Capital LLC | 980,894 | $5.90M | 1.51% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 964,851 | $5.80M | 0.03% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 687,083 | $4.13M | 0.01% | +37,122+5.7% | Added |
| Price T Rowe Associates Inc | 664,890 | $4.00M | 0.00% | −10,473−1.6% | Reduced |
| DAFNA Capital Management LLC | 638,938 | $3.84M | 1.05% | +46,500+7.8% | Added |
| Northern Trust Corp | 615,867 | $3.70M | 0.00% | +18,526+3.1% | Added |
| Jacobs Levy Equity Management, Inc | 582,666 | $3.50M | 0.02% | +153,970+35.9% | Added |
| Dimensional Fund Advisors LP | 552,824 | $3.32M | 0.00% | +113,282+25.8% | Added |
| Norges Bank | 533,791 | $3.21M | 0.00% | −39,113−6.8% | Reduced |
| Federated Hermes, Inc. | 487,734 | $2.93M | 0.01% | −2,260,419−82.3% | Reduced |
| Charles Schwab Investment Management Inc | 469,653 | $2.82M | 0.00% | +10,706+2.3% | Added |
| Two Sigma Advisers, LP | 444,900 | $2.67M | 0.01% | −27,900−5.9% | Reduced |
| Nuveen Asset Management, LLC | 430,039 | $2.58M | 0.00% | +2,068+0.5% | Added |
| Baillie Gifford & Co | 385,064 | $2.31M | 0.00% | −5,049−1.3% | Reduced |
| Pier Capital, LLC | 358,963 | $2.16M | 0.31% | −4,645−1.3% | Reduced |
| Bank of America Corp | 355,165 | $2.13M | 0.00% | −116,688−24.7% | Reduced |
| New Leaf Venture Partners, L.L.C. | 339,569 | $2.04M | 1.75% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 306,490 | $1.84M | 0.00% | −35,146−10.3% | Reduced |
| Two Sigma Investments, LP | 287,716 | $1.73M | 0.00% | −78,589−21.5% | Reduced |
| Deutsche Bank AG | 281,230 | $1.69M | 0.00% | +124,399+79.3% | Added |
| Panagora Asset Management Inc | 242,094 | $1.45M | 0.01% | −56,124−18.8% | Reduced |
| Bank of New York Mellon Corp | 234,771 | $1.41M | 0.00% | +25,684+12.3% | Added |
| Jupiter Asset Management Ltd | 232,219 | $1.39M | 0.02% | +32,672+16.4% | Added |
| Citadel Advisors LLC | 221,151 | $1.33M | 0.00% | +221,151 | New |
| Nordea Investment Management AB | 202,638 | $1.22M | 0.00% | +59,018+41.1% | Added |
| Alliancebernstein L.P. | 194,690 | $1.17M | 0.00% | +14,907+8.3% | Added |
| Platinum Investment Management Ltd | 181,689 | $1.09M | 0.04% | 00.0% | Unchanged |
| Alphabet Inc. | 175,866 | $1.06M | 0.06% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 171,126 | $1.03M | 0.00% | −50,390−22.7% | Reduced |
| Rafferty Asset Management, LLC | 166,296 | $999.4K | 0.01% | −81,849−33.0% | Reduced |
| Wellington Management Group LLP | 154,266 | $927.1K | 0.00% | +124,516+418.5% | Added |
| Victory Capital Management Inc | 149,483 | $898.4K | 0.00% | −37,180−19.9% | Reduced |
| State of Wisconsin Investment Board | 144,133 | $866.2K | 0.00% | −1,864−1.3% | Reduced |
| Swiss National Bank | 135,600 | $815.0K | 0.00% | +19,600+16.9% | Added |
| Barclays PLC | 111,970 | $672.9K | 0.00% | −15,325−12.0% | Reduced |
| Man Group plc | 111,476 | $670.0K | 0.00% | – | – |
| Cannell Peter B & Co Inc | 110,277 | $662.8K | 0.02% | 00.0% | Unchanged |
| American Century Companies Inc | 104,223 | $626.4K | 0.00% | −99,119−48.7% | Reduced |
| Russell Investments Group, Ltd. | 100,015 | $601.1K | 0.00% | −51,247−33.9% | Reduced |
| DekaBank Deutsche Girozentrale | 100,000 | $584.0K | 0.00% | +74,900+298.4% | Added |
| UBS Group AG | 91,041 | $547.2K | 0.00% | −21,371−19.0% | Reduced |
| Acadian Asset Management LLC | 91,111 | $547.0K | 0.00% | +80,951+796.8% | Added |
| Rhumbline Advisers | 90,613 | $544.6K | 0.00% | +7,781+9.4% | Added |
| Citigroup Inc | 79,911 | $480.3K | 0.00% | −128,265−61.6% | Reduced |
| Jane Street Group, LLC | 79,030 | $475.0K | 0.00% | +79,030 | New |
| UBS Asset Management Americas Inc | 76,432 | $473.1K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 78,129 | $469.6K | 0.00% | +1,187+1.5% | Added |
| Credit Suisse AG | 78,107 | $469.4K | 0.00% | +9,431+13.7% | Added |
| California State Teachers Retirement System | 75,889 | $456.1K | 0.00% | +5,544+7.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 74,000 | $444.7K | 0.00% | +74,000 | New |
| STRS Ohio | 73,200 | $439.0K | 0.00% | +5,700+8.4% | Added |
| Virginia Retirement Systems Et Al | 71,800 | $431.5K | 0.00% | −2,900−3.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 71,534 | $429.9K | 0.02% | 00.0% | Unchanged |
| Truist Financial Corp | 61,393 | $369.0K | 0.00% | +7,507+13.9% | Added |
| Alps Advisors Inc | 61,270 | $368.2K | 0.00% | +6,566+12.0% | Added |
| Millennium Management LLC | 60,465 | $363.4K | 0.00% | +41,385+216.9% | Added |
| Wells Fargo & Company | 55,179 | $331.6K | 0.00% | +1,872+3.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 55,005 | $329.7K | 0.00% | +2,082+3.9% | Added |
| Legal & General Group Plc | 54,302 | $326.4K | 0.00% | −1,524−2.7% | Reduced |
| BNP Paribas Arbitrage, SA | 51,899 | $311.9K | 0.00% | −70,716−57.7% | Reduced |
| Capital Impact Advisors, LLC | 51,465 | $309.3K | 0.34% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 49,284 | $296.2K | 0.00% | −103,732−67.8% | Reduced |
| PDT Partners, LLC | 46,819 | $281.4K | 0.04% | −29,471−38.6% | Reduced |
| Caxton Associates LP | 45,540 | $273.7K | 0.04% | +45,540 | New |
| Advisor Group Holdings, Inc. | 42,380 | $254.7K | 0.00% | +41,830+7,605.5% | Added |
| Principal Financial Group Inc | 34,520 | $207.5K | 0.00% | +5,851+20.4% | Added |
| Invesco Ltd. | 32,619 | $196.0K | 0.00% | +4,498+16.0% | Added |
| MetLife Investment Management | 31,825 | $191.3K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 30,784 | $185.0K | 0.01% | −15,531−33.5% | Reduced |
| American International Group, Inc. | 30,551 | $183.6K | 0.00% | +536+1.8% | Added |
| Occudo Quantitative Strategies LP | 27,326 | $164.2K | 0.02% | +27,326 | New |
| Amundi | 26,884 | $162.1K | 0.00% | +21,938+443.6% | Added |
| Algert Global LLC | 26,960 | $162.0K | 0.01% | −100,598−78.9% | Reduced |
| Stifel Financial Corp | 25,950 | $156.0K | 0.00% | +183+0.7% | Added |
| State Board of Administration of Florida Retirement System | 25,390 | $152.6K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 25,308 | $152.1K | 0.00% | +871+3.6% | Added |
| Cornercap Investment Counsel Inc | 24,210 | $145.5K | 0.03% | +519+2.2% | Added |
| AQR Capital Management LLC | 24,201 | $145.4K | 0.00% | −51,138−67.9% | Reduced |
| Janus Henderson Group PLC | 23,702 | $142.3K | 0.00% | −34−0.1% | Reduced |
| ExodusPoint Capital Management, LP | 23,366 | $140.0K | 0.00% | +23,366 | New |
| Medici Capital LLC | 23,294 | $140.0K | 0.21% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 22,792 | $137.0K | 0.00% | −537−2.3% | Reduced |
| HSBC Holdings PLC | 22,335 | $134.7K | 0.00% | −2,387−9.7% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 20,637 | $124.0K | 0.01% | +20,637 | New |
| Utah Retirement Systems | 20,572 | $123.6K | 0.00% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 19,000 | $111.3K | 0.00% | 00.0% | Unchanged |
| NinePointTwo Capital | 18,542 | $111.0K | 0.04% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 18,195 | $109.4K | 0.00% | +18,195 | New |