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 2022
Institutional positions in Alector, Inc. as of Jun 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
- 154
- −9 vs. Q1 2022
- Shares held
- 53.8M
- −1.57M (−2.8%) vs. Q1 2022
- Total value
- $546.8M
- −$242.6M (−30.7%) vs. Q1 2022
- New holders
- 12
- 57 more added
- Sold out
- 21
- 47 more reduced
3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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 | $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 2022
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,824,659 | $59.2M | 0.00% | +454,674+8.5% | Added |
| Federated Hermes, Inc. | 5,746,830 | $58.4M | 0.16% | −184,204−3.1% | Reduced |
| Vanguard Group Inc | 5,708,696 | $58.0M | 0.00% | +264,773+4.9% | Added |
| FMR LLC | 4,699,589 | $47.7M | 0.00% | +44,511+1.0% | Added |
| EcoR1 Capital, LLC | 4,056,548 | $41.2M | 1.43% | −1,681,900−29.3% | Reduced |
| State Street Corp | 3,914,336 | $39.8M | 0.00% | +78,243+2.0% | Added |
| JPMorgan Chase & Co | 2,474,889 | $25.1M | 0.00% | +19,322+0.8% | Added |
| Franklin Resources Inc | 1,887,790 | $19.2M | 0.01% | −336,235−15.1% | Reduced |
| Price T Rowe Associates Inc | 1,848,125 | $18.8M | 0.00% | −42,783−2.3% | Reduced |
| Geode Capital Management, LLC | 1,094,057 | $11.1M | 0.00% | +17,768+1.7% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,055,192 | $10.7M | 0.23% | 00.0% | Unchanged |
| Euclidean Capital LLC | 980,894 | $9.97M | 8.48% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 966,583 | $9.82M | 0.01% | +260,803+37.0% | Added |
| Rubric Capital Management LP | 900,000 | $9.14M | 0.48% | 00.0% | Unchanged |
| Morgan Stanley | 813,872 | $8.27M | 0.00% | +197,256+32.0% | Added |
| Norges Bank | 635,156 | $6.45M | 0.00% | +109,200+20.8% | Added |
| Marshall Wace, LLP | 629,852 | $6.40M | 0.01% | +118,712+23.2% | Added |
| Millennium Management LLC | 614,744 | $6.25M | 0.01% | −525,345−46.1% | Reduced |
| Northern Trust Corp | 595,993 | $6.05M | 0.00% | +11,519+2.0% | Added |
| DAFNA Capital Management LLC | 552,438 | $5.61M | 1.53% | +259,691+88.7% | Added |
| Charles Schwab Investment Management Inc | 428,008 | $4.35M | 0.00% | +5,312+1.3% | Added |
| Goldman Sachs Group Inc | 419,517 | $4.26M | 0.00% | +178,374+74.0% | Added |
| Two Sigma Advisers, LP | 411,300 | $4.18M | 0.01% | +141,000+52.2% | Added |
| Baillie Gifford & Co | 354,492 | $3.60M | 0.00% | −37,859−9.6% | Reduced |
| AQR Capital Management LLC | 352,531 | $3.58M | 0.01% | +186,243+112.0% | Added |
| New Leaf Venture Partners, L.L.C. | 339,569 | $3.45M | 2.23% | 00.0% | Unchanged |
| Schroder Investment Management Group | 325,573 | $3.32M | 0.01% | −144,464−30.7% | Reduced |
| Nuveen Asset Management, LLC | 277,141 | $2.82M | 0.00% | +7,643+2.8% | Added |
| Pier Capital, LLC | 275,629 | $2.80M | 0.48% | −2,989−1.1% | Reduced |
| Two Sigma Investments, LP | 261,226 | $2.65M | 0.01% | −19,589−7.0% | Reduced |
| Baker Bros. Advisors LP | 239,228 | $2.43M | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 229,977 | $2.34M | 0.00% | −102,675−30.9% | Reduced |
| Bank of New York Mellon Corp | 204,218 | $2.08M | 0.00% | −2,478−1.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 182,686 | $1.86M | 0.01% | +86,076+89.1% | Added |
| Nordea Investment Management AB | 182,892 | $1.81M | 0.00% | +5,399+3.0% | Added |
| Alphabet Inc. | 175,866 | $1.79M | 0.10% | 00.0% | Unchanged |
| Citigroup Inc | 154,773 | $1.57M | 0.00% | +109,786+244.0% | Added |
| Rafferty Asset Management, LLC | 142,818 | $1.45M | 0.01% | −85,086−37.3% | Reduced |
| American Century Companies Inc | 142,283 | $1.45M | 0.00% | +1,396+1.0% | Added |
| Gilder Gagnon Howe & Co LLC | 139,393 | $1.42M | 0.03% | −44,879−24.4% | Reduced |
| Cannell Peter B & Co Inc | 134,272 | $1.36M | 0.05% | 00.0% | Unchanged |
| Swiss National Bank | 124,900 | $1.27M | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 121,877 | $1.24M | 0.00% | +16,934+16.1% | Added |
| Raymond James & Associates | 112,859 | $1.15M | 0.00% | +35,259+45.4% | Added |
| Putnam Investments LLC | 108,923 | $1.11M | 0.00% | −1,338−1.2% | Reduced |
| Platinum Investment Management Ltd | 105,614 | $1.07M | 0.04% | 00.0% | Unchanged |
| Newtyn Management, LLC | 105,000 | $1.07M | 0.20% | +105,000 | New |
| Tang Capital Management LLC | 100,000 | $1.02M | 0.15% | 00.0% | Unchanged |
| Alkeon Capital Management LLC | 100,000 | $1.02M | 0.01% | +100,000 | New |
| Acadian Asset Management LLC | 96,977 | $985.0K | 0.01% | +63,322+188.2% | Added |
| Nantahala Capital Management, LLC | 92,176 | $937.0K | 0.08% | −2,603−2.7% | Reduced |
| Cubist Systematic Strategies, LLC | 89,445 | $909.0K | 0.01% | −32,305−26.5% | Reduced |
| UBS Group AG | 82,208 | $835.0K | 0.00% | −139,580−62.9% | Reduced |
| Manufacturers Life Insurance Company, The | 77,514 | $790.1K | 0.00% | +16,889+27.9% | Added |
| Swedbank AB | 75,900 | $771.1K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 75,306 | $765.0K | 0.00% | +13,834+22.5% | Added |
| Capital Impact Advisors, LLC | 72,706 | $739.0K | 0.68% | +23,548+47.9% | Added |
| California State Teachers Retirement System | 72,136 | $733.0K | 0.00% | +2,192+3.1% | Added |
| Ameriprise Financial Inc | 69,533 | $706.0K | 0.00% | +3,653+5.5% | Added |
| UBS Asset Management Americas Inc | 69,376 | $704.9K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 68,800 | $699.0K | 0.00% | +7,600+12.4% | Added |
| Panagora Asset Management Inc | 65,050 | $661.0K | 0.00% | +35,764+122.1% | Added |
| Alliancebernstein L.P. | 62,700 | $637.0K | 0.00% | −75,000−54.5% | Reduced |
| State of Wisconsin Investment Board | 56,582 | $575.0K | 0.00% | −18,518−24.7% | Reduced |
| Russell Investments Group, Ltd. | 54,920 | $557.0K | 0.00% | +44,760+440.6% | Added |
| Legal & General Group Plc | 50,340 | $512.0K | 0.00% | +95+0.2% | Added |
| Truist Financial Corp | 49,246 | $500.0K | 0.00% | +11,251+29.6% | Added |
| Alps Advisors Inc | 48,841 | $496.0K | 0.00% | −35,424−42.0% | Reduced |
| Credit Suisse AG | 45,085 | $458.0K | 0.00% | +3,905+9.5% | Added |
| Dimensional Fund Advisors LP | 44,337 | $451.0K | 0.00% | −341,750−88.5% | Reduced |
| NinePointTwo Capital | 43,814 | $445.0K | 0.16% | +19,158+77.7% | Added |
| Deutsche Bank AG | 42,209 | $429.0K | 0.00% | −19,338−31.4% | Reduced |
| New York State Common Retirement Fund | 41,424 | $421.0K | 0.00% | −81−0.2% | Reduced |
| TD Asset Management Inc | 39,869 | $405.0K | 0.00% | −19,988−33.4% | Reduced |
| SG Americas Securities, LLC | 38,032 | $386.0K | 0.01% | −4,779−11.2% | Reduced |
| Algert Global LLC | 35,262 | $358.0K | 0.03% | +2,810+8.7% | Added |
| PDT Partners, LLC | 35,160 | $357.0K | 0.03% | +7,464+26.9% | Added |
| Massachusetts Financial Services Co | 33,143 | $337.0K | 0.00% | −123,119−78.8% | Reduced |
| Qube Research & Technologies Ltd | 32,518 | $330.0K | 0.00% | −42,718−56.8% | Reduced |
| MetLife Investment Management | 31,825 | $323.3K | 0.00% | 00.0% | Unchanged |
| Wellington Management Group LLP | 31,769 | $323.0K | 0.00% | +225+0.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 30,685 | $311.0K | 0.00% | +19,914+184.9% | Added |
| Invesco Ltd. | 29,492 | $299.0K | 0.00% | −21,385−42.0% | Reduced |
| American International Group, Inc. | 29,107 | $296.0K | 0.00% | +107+0.4% | Added |
| Los Angeles Capital Management LLC | 26,143 | $266.0K | 0.00% | −3,281−11.2% | Reduced |
| ExodusPoint Capital Management, LP | 25,887 | $263.0K | 0.00% | −12,380−32.4% | Reduced |
| State Board of Administration of Florida Retirement System | 25,390 | $258.0K | 0.00% | +100.0% | Added |
| DekaBank Deutsche Girozentrale | 25,100 | $252.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 23,249 | $236.0K | 0.00% | −1,982−7.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 23,041 | $234.0K | 0.00% | −39,907−63.4% | Reduced |
| Voya Investment Management LLC | 22,866 | $232.0K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 22,610 | $229.0K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 21,517 | $219.0K | 0.00% | +342+1.6% | Added |
| Prudential Financial Inc | 20,302 | $206.0K | 0.00% | +20,302 | New |
| Barclays PLC | 19,300 | $196.0K | 0.00% | +737+4.0% | Added |
| Erste Asset Management GmbH | 19,000 | $194.0K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 18,855 | $192.0K | 0.00% | +8,161+76.3% | Added |
| Diversified Trust Co | 18,478 | $188.0K | 0.01% | +18,478 | New |
| Oppenheimer & Co Inc | 18,200 | $185.0K | 0.00% | −5,900−24.5% | Reduced |
| Man Group plc | – | $183.0K | 0.00% | – | New |