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, Q4 2024
Institutional positions in Alector, Inc. as of Dec 31, 2024. 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
- 150
- −8 vs. Q3 2024
- Shares held
- 73.4M
- +913.9K (+1.3%) vs. Q3 2024
- Total value
- $138.8M
- −$199.5M (−59.0%) vs. Q3 2024
- New holders
- 31
- 46 more added
- Sold out
- 39
- 38 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 15 | $0 | 0.00% | +1+7.1% | Added |
| Sandy Spring Bank | 1 | $2 | 0.00% | +1 | New |
| Comerica Bank | 21 | $40 | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 32 | $60 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 40 | $76 | 0.00% | +38+1,900.0% | Added |
| Rothschild Investment LLC | 50 | $95 | 0.00% | −60−54.5% | Reduced |
| The PNC Financial Services Group, Inc. | 56 | $106 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 83 | $157 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 200 | $378 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 203 | $384 | 0.00% | −38−15.8% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 300 | $567 | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 373 | $705 | 0.00% | +373 | New |
| Bryn Mawr Trust Co | 400 | $756 | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 415 | $784 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 277 | $1.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 820 | $1.55K | 0.00% | +500+156.3% | Added |
| EverSource Wealth Advisors, LLC | 843 | $1.59K | 0.00% | +843 | New |
| Carolinas Wealth Consulting LLC | 1,500 | $2.83K | 0.00% | 00.0% | Unchanged |
| R Squared Ltd | 1,980 | $3.74K | 0.00% | +1,980 | New |
| GF Fund Management Co. Ltd. | 2,145 | $4.05K | 0.00% | +2,145 | New |
| Amalgamated Bank | 2,540 | $5.00K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 3,263 | $5.81K | 0.00% | −257−7.3% | Reduced |
| Nisa Investment Advisors, LLC | 3,700 | $6.99K | 0.00% | +3,434+1,291.0% | Added |
| Royal Bank of Canada | 4,023 | $7.00K | 0.00% | −5,947−59.6% | Reduced |
| Federated Hermes, Inc. | 4,794 | $9.06K | 0.00% | −28,642−85.7% | Reduced |
| MetLife Investment Management | 5,468 | $10.3K | 0.00% | −44,901−89.1% | Reduced |
| CWM, LLC | 7,148 | $14.0K | 0.00% | +3,304+86.0% | Added |
| Public Employees Retirement Association of Colorado | 7,914 | $15.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 7,785 | $15.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 8,175 | $15.5K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 8,500 | $16.1K | 0.00% | +8,500 | New |
| Texas Yale Capital Corp. | 10,000 | $18.9K | 0.00% | +10,000 | New |
| HRT Financial LP | 10,346 | $19.0K | 0.00% | −39,017−79.0% | Reduced |
| New York State Common Retirement Fund | 10,310 | $19.5K | 0.00% | 00.0% | Unchanged |
| Sherbrooke Park Advisers LLC | 10,383 | $19.6K | 0.01% | +10,383 | New |
| DLK Investment Management, LLC | 10,500 | $19.8K | 0.01% | +10,500 | New |
| Ameriprise Financial Inc | 10,586 | $20.0K | 0.00% | −165,623−94.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 11,040 | $20.9K | 0.00% | +11,040 | New |
| JustInvest LLC | 13,106 | $24.8K | 0.00% | +13,106 | New |
| Squarepoint Ops LLC | 13,114 | $24.8K | 0.00% | +13,114 | New |
| US Bancorp | 13,654 | $25.8K | 0.00% | −108−0.8% | Reduced |
| Diversified Trust Co | 14,102 | $26.7K | 0.00% | 00.0% | Unchanged |
| NEOS Investment Management LLC | 14,344 | $27.1K | 0.00% | 00.0% | Unchanged |
| Tema ETFs LLC | 14,344 | $27.1K | 0.01% | +14,344 | New |
| Tower Research Capital LLC (TRC) | 14,670 | $27.7K | 0.00% | +6,096+71.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 17,004 | $32.1K | 0.00% | +17,004 | New |
| Erste Asset Management GmbH | 19,000 | $33.8K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 19,772 | $37.4K | 0.00% | +344+1.8% | Added |
| Engineers Gate Manager LP | 19,953 | $37.7K | 0.00% | −20,254−50.4% | Reduced |
| Teacher Retirement System of Texas | 20,554 | $39.0K | 0.00% | +3,636+21.5% | Added |
| China Universal Asset Management Co., Ltd. | 20,765 | $39.2K | 0.00% | +2,047+10.9% | Added |
| Shell Asset Management Co | 21,493 | $41.0K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 23,340 | $44.0K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 25,000 | $47.3K | 0.00% | +14,000+127.3% | Added |
| Apollon Wealth Management, LLC | 25,000 | $47.3K | 0.00% | +25,000 | New |
| State Board of Administration of Florida Retirement System | 25,570 | $48.3K | 0.00% | 00.0% | Unchanged |
| Blackstone Group Inc. | 25,715 | $48.6K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 25,766 | $48.7K | 0.00% | −1,775−6.4% | Reduced |
| Rpo LLC | 26,395 | $49.9K | 0.07% | +26,395 | New |
| ProShare Advisors LLC | 27,367 | $51.7K | 0.00% | +6,367+30.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 28,084 | $53.1K | 0.00% | +10,354+58.4% | Added |
| Jasper Ridge Partners, L.P. | 30,632 | $57.9K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 35,382 | $66.9K | 0.00% | +16,096+83.5% | Added |
| Jain Global LLC | 36,775 | $69.5K | 0.00% | +36,775 | New |
| Wells Fargo & Company | 37,966 | $71.8K | 0.00% | +12,653+50.0% | Added |
| SG Americas Securities, LLC | 39,334 | $74.0K | 0.00% | +8,581+27.9% | Added |
| Corebridge Financial, Inc. | 40,123 | $75.8K | 0.00% | −3,028−7.0% | Reduced |
| Tudor Investment Corp Et Al | 40,796 | $77.1K | 0.00% | +40,796 | New |
| Algert Global LLC | 44,460 | $84.0K | 0.00% | −17,452−28.2% | Reduced |
| Invesco Ltd. | 47,985 | $90.7K | 0.00% | +10,405+27.7% | Added |
| Marshall Wace, LLP | 48,448 | $91.6K | 0.00% | −5,552−10.3% | Reduced |
| UBS Oconnor LLC | 50,000 | $94.5K | 0.00% | +50,000 | New |
| XTX Topco Ltd | 50,971 | $96.3K | 0.01% | +22,381+78.3% | Added |
| Utah Retirement Systems | 51,430 | $97.2K | 0.00% | 00.0% | Unchanged |
| Velan Capital Investment Management LP | 55,000 | $104.0K | 0.09% | +55,000 | New |
| Russell Investments Group, Ltd. | 56,239 | $106.3K | 0.00% | −16,386−22.6% | Reduced |
| American Century Companies Inc | 56,735 | $107.2K | 0.00% | −7,103−11.1% | Reduced |
| HSBC Holdings PLC | 57,983 | $109.0K | 0.00% | +12,004+26.1% | Added |
| Spears Abacus Advisors LLC | 61,613 | $116.4K | 0.00% | −4,050−6.2% | Reduced |
| California State Teachers Retirement System | 64,740 | $122.4K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 66,172 | $124.8K | 0.00% | +5,319+8.7% | Added |
| Citigroup Inc | 69,773 | $131.9K | 0.00% | +9,698+16.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 73,153 | $138.3K | 0.00% | −1,734−2.3% | Reduced |
| Millennium Management LLC | 74,685 | $141.2K | 0.00% | +23,467+45.8% | Added |
| Alps Advisors Inc | 79,115 | $149.5K | 0.00% | +1,883+2.4% | Added |
| Alliancebernstein L.P. | 82,100 | $155.2K | 0.00% | −629,445−88.5% | Reduced |
| Verition Fund Management LLC | 82,499 | $155.9K | 0.00% | +18,130+28.2% | Added |
| Los Angeles Capital Management LLC | 90,736 | $171.5K | 0.00% | +34,450+61.2% | Added |
| DekaBank Deutsche Girozentrale | 100,000 | $176.0K | 0.00% | 00.0% | Unchanged |
| Cercano Management LLC | 93,633 | $177.0K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 102,600 | $193.9K | 0.00% | 00.0% | Unchanged |
| Aristides Capital LLC | 106,600 | $201.5K | 0.06% | +106,600 | New |
| TD Asset Management Inc | 111,738 | $211.2K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 115,895 | $219.0K | 0.00% | +1,891+1.7% | Added |
| UBS Group AG | 118,110 | $223.2K | 0.00% | +1,158+1.0% | Added |
| Manufacturers Life Insurance Company, The | 122,976 | $232.4K | 0.00% | −740−0.6% | Reduced |
| Swiss National Bank | 131,900 | $249.3K | 0.00% | 00.0% | Unchanged |
| Jupiter Asset Management Ltd | 134,789 | $254.8K | 0.00% | −97,430−42.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 145,037 | $274.1K | 0.00% | +145,037 | New |
| Walleye Capital LLC | 146,679 | $277.2K | 0.00% | −57,388−28.1% | Reduced |