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 2025
Institutional positions in Alector, Inc. as of Jun 30, 2025. 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
- 136
- −5 vs. Q1 2025
- Shares held
- 70.5M
- −2.11M (−2.9%) vs. Q1 2025
- Total value
- $98.7M
- +$9.57M (+10.7%) vs. Q1 2025
- New holders
- 17
- 47 more added
- Sold out
- 22
- 37 more reduced
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Daiwa Securities Group Inc. | 277 | $0 | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 2 | $3 | 0.00% | +2 | New |
| IFP Advisors, Inc | 9 | $13 | 0.00% | +9 | New |
| SBI Securities Co., Ltd. | 20 | $28 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 21 | $30 | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 32 | $45 | 0.00% | 00.0% | Unchanged |
| Point72 Asia (Singapore) Pte. Ltd. | 58 | $82 | 0.00% | −11,987−99.5% | Reduced |
| National Bank of Canada | 200 | $278 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 200 | $280 | 0.00% | +200 | New |
| EverSource Wealth Advisors, LLC | 249 | $349 | 0.00% | −705−73.9% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 300 | $420 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 323 | $453 | 0.00% | +323 | New |
| The PNC Financial Services Group, Inc. | 370 | $518 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 380 | $532 | 0.00% | +330+660.0% | Added |
| Bryn Mawr Trust Co | 400 | $560 | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 403 | $565 | 0.00% | −298−42.5% | Reduced |
| Rise Advisors, LLC | 407 | $570 | 0.00% | +407 | New |
| Federation des caisses Desjardins du Quebec | 415 | $581 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 439 | $615 | 0.00% | +439 | New |
| Essential Partners LLC | 444 | $622 | 0.00% | +444 | New |
| Skopos Labs, Inc. | 601 | $842 | 0.00% | +601 | New |
| UMA Financial Services, Inc. | 752 | $1.05K | 0.00% | +11+1.5% | Added |
| True Wealth Design, LLC | 930 | $1.30K | 0.00% | +378+68.5% | Added |
| Hughes Financial Services, LLC | 929 | $1.33K | 0.00% | +929 | New |
| Advisor Group Holdings, Inc. | 1,120 | $1.57K | 0.00% | +280+33.3% | Added |
| Raymond James Financial Inc | 1,479 | $2.07K | 0.00% | +1,479 | New |
| Sterling Capital Management LLC | 1,994 | $2.79K | 0.00% | +1,911+2,302.4% | Added |
| GF Fund Management Co. Ltd. | 2,429 | $3.40K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,540 | $4.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 3,347 | $4.69K | 0.00% | −4,303−56.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,863 | $5.41K | 0.00% | +547+16.5% | Added |
| Legal & General Group Plc | 7,395 | $10.3K | 0.00% | −1,661−18.3% | Reduced |
| Public Employees Retirement System of Ohio | 7,900 | $11.1K | 0.00% | +7,900 | New |
| Ameritas Investment Partners, Inc. | 8,175 | $11.4K | 0.00% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 10,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 10,310 | $14.4K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 11,634 | $16.3K | 0.00% | −145,675−92.6% | Reduced |
| US Bancorp | 12,427 | $17.4K | 0.00% | −1,227−9.0% | Reduced |
| Tower Research Capital LLC (TRC) | 13,399 | $18.8K | 0.00% | −9,271−40.9% | Reduced |
| Shell Asset Management Co | 13,887 | $19.0K | 0.00% | −6,740−32.7% | Reduced |
| Diversified Trust Co | 14,102 | $19.7K | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 14,135 | $19.8K | 0.00% | +3,449+32.3% | Added |
| DLK Investment Management, LLC | 15,500 | $21.7K | 0.01% | +4,000+34.8% | Added |
| SEI Investments Co | 16,884 | $23.6K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 17,004 | $23.8K | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 20,000 | $28.0K | 0.01% | +10,000+100.0% | Added |
| ProShare Advisors LLC | 20,078 | $28.1K | 0.00% | −2,143−9.6% | Reduced |
| China Universal Asset Management Co., Ltd. | 20,083 | $28.1K | 0.00% | +208+1.0% | Added |
| Erste Asset Management GmbH | 19,000 | $28.1K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 21,322 | $29.9K | 0.00% | +21,322 | New |
| Graham Capital Management, L.P. | 21,373 | $29.9K | 0.00% | −19,725−48.0% | Reduced |
| Cubist Systematic Strategies, LLC | 21,819 | $30.5K | 0.00% | +21,819 | New |
| Cerity Partners LLC | 23,736 | $33.2K | 0.00% | −17,828−42.9% | Reduced |
| Jane Street Group, LLC | 23,952 | $33.5K | 0.00% | −232,599−90.7% | Reduced |
| Voya Investment Management LLC | 24,621 | $34.5K | 0.00% | 00.0% | Unchanged |
| Apollon Wealth Management, LLC | 25,000 | $35.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 25,570 | $35.8K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 25,897 | $36.0K | 0.00% | −7,746−23.0% | Reduced |
| Blackstone Group Inc. | 25,715 | $36.0K | 0.00% | 00.0% | Unchanged |
| Jasper Ridge Partners, L.P. | 30,632 | $42.9K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 38,000 | $53.2K | 0.00% | +8,000+26.7% | Added |
| Intech Investment Management LLC | 39,915 | $55.9K | 0.00% | −20,836−34.3% | Reduced |
| Tudor Investment Corp Et Al | 40,795 | $57.1K | 0.00% | −10.0% | Reduced |
| UBS Group AG | 41,893 | $58.6K | 0.00% | −41,153−49.6% | Reduced |
| Algert Global LLC | 44,460 | $62.2K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 45,491 | $63.7K | 0.00% | −1,440,658−96.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 46,286 | $64.8K | 0.00% | −28,362−38.0% | Reduced |
| Citigroup Inc | 49,461 | $69.2K | 0.00% | −13,295−21.2% | Reduced |
| Wells Fargo & Company | 50,601 | $70.8K | 0.00% | +11,166+28.3% | Added |
| Utah Retirement Systems | 51,430 | $72.0K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 52,095 | $72.9K | 0.00% | +17,170+49.2% | Added |
| Bank of Montreal | 52,380 | $73.3K | 0.00% | +52,380 | New |
| HSBC Holdings PLC | 51,700 | $73.9K | 0.00% | −6,372−11.0% | Reduced |
| Velan Capital Investment Management LP | 55,000 | $77.0K | 0.08% | 00.0% | Unchanged |
| Ieq Capital, LLC | 58,998 | $82.6K | 0.00% | −21,408−26.6% | Reduced |
| Persistent Asset Partners Ltd | 61,096 | $85.5K | 0.07% | −43,831−41.8% | Reduced |
| Spears Abacus Advisors LLC | 61,513 | $86.1K | 0.00% | −100−0.2% | Reduced |
| Susquehanna Fundamental Investments, LLC | 70,778 | $99.1K | 0.00% | −67,126−48.7% | Reduced |
| XTX Topco Ltd | 73,338 | $102.7K | 0.00% | +40,767+125.2% | Added |
| Alliancebernstein L.P. | 92,940 | $130.1K | 0.00% | +10,840+13.2% | Added |
| Russell Investments Group, Ltd. | 100,366 | $144.3K | 0.00% | +46,945+87.9% | Added |
| DekaBank Deutsche Girozentrale | 100,000 | $148.0K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 110,400 | $154.6K | 0.00% | +7,800+7.6% | Added |
| Bridgeway Capital Management, LLC | 115,000 | $161.0K | 0.00% | +115,000 | New |
| Rhumbline Advisers | 126,568 | $177.2K | 0.00% | +9,933+8.5% | Added |
| Gsa Capital Partners LLP | 150,669 | $211.0K | 0.01% | +150,669 | New |
| Los Angeles Capital Management LLC | 151,896 | $212.7K | 0.00% | +7,600+5.3% | Added |
| Nuveen, LLC | 155,613 | $217.9K | 0.00% | +17,433+12.6% | Added |
| Medici Capital LLC | 167,191 | $234.1K | 0.27% | 00.0% | Unchanged |
| Barclays PLC | 169,795 | $237.7K | 0.00% | +44,709+35.7% | Added |
| Invesco Ltd. | 175,801 | $246.1K | 0.00% | +27,225+18.3% | Added |
| Alphabet Inc. | 175,866 | $246.2K | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 203,798 | $285.3K | 0.00% | −49,321−19.5% | Reduced |
| Two Sigma Investments, LP | 222,139 | $311.0K | 0.00% | +7,714+3.6% | Added |
| State of Wyoming | 223,092 | $312.3K | 0.04% | +26,278+13.4% | Added |
| Diadema Partners LP | 266,023 | $372.4K | 0.23% | −190,523−41.7% | Reduced |
| Walleye Capital LLC | 266,204 | $372.7K | 0.00% | −39,397−12.9% | Reduced |
| Bank of New York Mellon Corp | 268,872 | $376.4K | 0.00% | +19,378+7.8% | Added |
| Mackenzie Financial Corp | 274,442 | $384.2K | 0.00% | +274,442 | New |
| Manufacturers Life Insurance Company, The | 313,578 | $439.0K | 0.00% | +189,686+153.1% | Added |