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 2025
Institutional positions in Alector, Inc. as of Mar 31, 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
- 141
- −8 vs. Q4 2024
- Shares held
- 72.6M
- −651.5K (−0.9%) vs. Q4 2024
- Total value
- $89.1M
- −$49.3M (−35.6%) vs. Q4 2024
- New holders
- 20
- 45 more added
- Sold out
- 28
- 34 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Daiwa Securities Group Inc. | 277 | $0 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 48 | $0 | 0.00% | +33+220.0% | Added |
| SBI Securities Co., Ltd. | 20 | $25 | 0.00% | +20 | New |
| Comerica Bank | 21 | $26 | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 32 | $39 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 40 | $46 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 50 | $62 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 83 | $102 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 200 | $246 | 0.00% | 00.0% | Unchanged |
| Mark Sheptoff Financial Planning, LLC | 300 | $369 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 370 | $455 | 0.00% | +314+560.7% | Added |
| Bryn Mawr Trust Co | 400 | $492 | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 415 | $510 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 552 | $679 | 0.00% | +349+171.9% | Added |
| Coldstream Capital Management Inc | 586 | $721 | 0.00% | +586 | New |
| Rialto Wealth Management, LLC | 701 | $863 | 0.00% | +701 | New |
| UMA Financial Services, Inc. | 741 | $912 | 0.00% | +741 | New |
| Advisor Group Holdings, Inc. | 840 | $1.03K | 0.00% | +20+2.4% | Added |
| EverSource Wealth Advisors, LLC | 954 | $1.17K | 0.00% | +111+13.2% | Added |
| Carolinas Wealth Consulting LLC | 1,500 | $1.84K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 1,752 | $2.00K | 0.00% | +1,752 | New |
| GF Fund Management Co. Ltd. | 2,429 | $2.99K | 0.00% | +284+13.2% | Added |
| Amalgamated Bank | 2,540 | $3.00K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 3,316 | $4.28K | 0.00% | +53+1.6% | Added |
| Caitong International Asset Management Co., Ltd | 4,030 | $4.96K | 0.00% | +4,030 | New |
| Royal Bank of Canada | 4,793 | $6.00K | 0.00% | +770+19.1% | Added |
| Citadel Advisors LLC | 5,438 | $6.69K | 0.00% | −419,533−98.7% | Reduced |
| California State Teachers Retirement System | 5,848 | $7.19K | 0.00% | −58,892−91.0% | Reduced |
| Nisa Investment Advisors, LLC | 7,650 | $9.41K | 0.00% | +3,950+106.8% | Added |
| Ameritas Investment Partners, Inc. | 8,175 | $10.1K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 9,056 | $11.2K | 0.00% | −57,116−86.3% | Reduced |
| FNY Investment Advisers, LLC | 10,000 | $12.0K | 0.01% | +10,000 | New |
| Texas Yale Capital Corp. | 10,000 | $12.3K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 10,310 | $12.7K | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 10,686 | $13.1K | 0.00% | +100+0.9% | Added |
| DLK Investment Management, LLC | 11,500 | $14.1K | 0.01% | +1,000+9.5% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 12,045 | $14.8K | 0.00% | +12,045 | New |
| Pallas Capital Advisors LLC | 12,111 | $14.9K | 0.00% | +12,111 | New |
| Quadrature Capital Ltd | 12,949 | $16.0K | 0.00% | +12,949 | New |
| US Bancorp | 13,654 | $16.8K | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 13,678 | $16.8K | 0.00% | +2,638+23.9% | Added |
| Diversified Trust Co | 14,102 | $17.3K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 16,884 | $20.8K | 0.00% | +16,884 | New |
| Police & Firemen's Retirement System of New Jersey | 17,004 | $20.9K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 18,195 | $22.4K | 0.00% | +18,195 | New |
| Dynamic Technology Lab Private Ltd | 19,539 | $24.0K | 0.00% | +19,539 | New |
| China Universal Asset Management Co., Ltd. | 19,875 | $24.4K | 0.00% | −890−4.3% | Reduced |
| Erste Asset Management GmbH | 19,000 | $24.5K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 20,627 | $25.0K | 0.00% | −866−4.0% | Reduced |
| ProShare Advisors LLC | 22,221 | $27.3K | 0.00% | −5,146−18.8% | Reduced |
| Tower Research Capital LLC (TRC) | 22,670 | $27.9K | 0.00% | +8,000+54.5% | Added |
| Voya Investment Management LLC | 24,621 | $30.3K | 0.00% | −1,145−4.4% | Reduced |
| Apollon Wealth Management, LLC | 25,000 | $30.8K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 25,570 | $31.5K | 0.00% | 00.0% | Unchanged |
| Blackstone Group Inc. | 25,715 | $31.6K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 30,000 | $36.9K | 0.00% | +5,000+20.0% | Added |
| Jasper Ridge Partners, L.P. | 30,632 | $37.7K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 32,571 | $40.1K | 0.00% | −18,400−36.1% | Reduced |
| CWM, LLC | 33,643 | $41.0K | 0.00% | +26,495+370.7% | Added |
| JustInvest LLC | 34,925 | $43.0K | 0.00% | +21,819+166.5% | Added |
| Wells Fargo & Company | 39,435 | $48.5K | 0.00% | +1,469+3.9% | Added |
| Corebridge Financial, Inc. | 40,171 | $49.4K | 0.00% | +48+0.1% | Added |
| Tudor Investment Corp Et Al | 40,796 | $50.2K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 41,098 | $50.6K | 0.00% | +41,098 | New |
| Cerity Partners LLC | 41,564 | $51.1K | 0.00% | +41,564 | New |
| Algert Global LLC | 44,460 | $54.7K | 0.00% | 00.0% | Unchanged |
| Utah Retirement Systems | 51,430 | $63.3K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 53,421 | $65.7K | 0.00% | −2,818−5.0% | Reduced |
| Velan Capital Investment Management LP | 55,000 | $67.7K | 0.07% | 00.0% | Unchanged |
| Marshall Wace, LLP | 59,099 | $72.7K | 0.00% | +10,651+22.0% | Added |
| Squarepoint Ops LLC | 59,214 | $72.8K | 0.00% | +46,100+351.5% | Added |
| HSBC Holdings PLC | 58,072 | $72.9K | 0.00% | +89+0.2% | Added |
| SG Americas Securities, LLC | 60,248 | $74.0K | 0.00% | +20,914+53.2% | Added |
| Intech Investment Management LLC | 60,751 | $74.7K | 0.00% | +25,369+71.7% | Added |
| Spears Abacus Advisors LLC | 61,613 | $75.8K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 62,756 | $77.2K | 0.00% | −7,017−10.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 74,648 | $91.8K | 0.00% | +1,495+2.0% | Added |
| Alps Advisors Inc | 74,933 | $92.2K | 0.00% | −4,182−5.3% | Reduced |
| Ieq Capital, LLC | 80,406 | $98.9K | 0.00% | +80,406 | New |
| Alliancebernstein L.P. | 82,100 | $101.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 83,046 | $102.1K | 0.00% | −35,064−29.7% | Reduced |
| Cercano Management LLC | 93,633 | $115.2K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 102,600 | $126.2K | 0.00% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 100,000 | $127.0K | 0.00% | 00.0% | Unchanged |
| Persistent Asset Partners Ltd | 104,927 | $129.1K | 0.11% | +104,927 | New |
| Sphera Funds Management Ltd. | 109,208 | $134.3K | 0.03% | −215,431−66.4% | Reduced |
| TD Asset Management Inc | 111,738 | $137.4K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 116,635 | $143.4K | 0.00% | +740+0.6% | Added |
| Manufacturers Life Insurance Company, The | 123,892 | $152.4K | 0.00% | +916+0.7% | Added |
| Barclays PLC | 125,086 | $153.9K | 0.00% | −51,483−29.2% | Reduced |
| Susquehanna Fundamental Investments, LLC | 137,904 | $169.6K | 0.00% | −7,133−4.9% | Reduced |
| Los Angeles Capital Management LLC | 144,296 | $177.5K | 0.00% | +53,560+59.0% | Added |
| Invesco Ltd. | 148,576 | $182.7K | 0.00% | +100,591+209.6% | Added |
| BNP Paribas Arbitrage, SA | 157,309 | $193.5K | 0.00% | −8,280−5.0% | Reduced |
| Medici Capital LLC | 167,191 | $205.6K | 0.25% | 00.0% | Unchanged |
| Alphabet Inc. | 175,866 | $216.3K | 0.01% | 00.0% | Unchanged |
| State of Wyoming | 196,814 | $242.1K | 0.03% | +196,814 | New |
| Two Sigma Investments, LP | 214,425 | $263.7K | 0.00% | −193,564−47.4% | Reduced |
| Bank of New York Mellon Corp | 249,494 | $306.9K | 0.00% | +18,765+8.1% | Added |
| Susquehanna International Group, LLP | 253,119 | $311.3K | 0.00% | +53,357+26.7% | Added |