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 2024
Institutional positions in Alector, Inc. as of Jun 30, 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
- 160
- +5 vs. Q1 2024
- Shares held
- 72.8M
- −1.30M (−1.8%) vs. Q1 2024
- Total value
- $330.4M
- −$115.6M (−25.9%) vs. Q1 2024
- New holders
- 24
- 58 more added
- Sold out
- 19
- 50 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 15 | $0 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 2 | $9 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 15 | $68 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 21 | $95 | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 32 | $145 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 48 | $218 | 0.00% | −26−35.1% | Reduced |
| The PNC Financial Services Group, Inc. | 56 | $254 | 0.00% | +56 | New |
| SRS Capital Advisors, Inc. | 84 | $382 | 0.00% | +84 | New |
| Motco | 125 | $568 | 0.00% | +125 | New |
| Nisa Investment Advisors, LLC | 142 | $645 | 0.00% | +93+189.8% | Added |
| National Bank of Canada | 200 | $880 | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 217 | $985 | 0.00% | −228−51.2% | Reduced |
| Daiwa Securities Group Inc. | 277 | $1.00K | 0.00% | 00.0% | Unchanged |
| Mark Sheptoff Financial Planning, LLC | 300 | $1.36K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 418 | $1.90K | 0.00% | −1,053−71.6% | Reduced |
| CWM, LLC | 434 | $2.00K | 0.00% | −297−40.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 455 | $2.07K | 0.00% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 572 | $2.60K | 0.00% | −716−55.6% | Reduced |
| Picton Mahoney Asset Management | 673 | $3.00K | 0.00% | +673 | New |
| Carolinas Wealth Consulting LLC | 1,500 | $6.81K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,828 | $8.30K | 0.00% | −63−3.3% | Reduced |
| Group One Trading, L.P. | 2,000 | $9.08K | 0.00% | +2,000 | New |
| Amalgamated Bank | 2,540 | $12.0K | 0.00% | +361+16.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 2,878 | $13.1K | 0.00% | −49,765−94.5% | Reduced |
| State of Wyoming | 3,271 | $14.8K | 0.00% | +3,271 | New |
| Ameritas Investment Partners, Inc. | 6,260 | $28.4K | 0.00% | 00.0% | Unchanged |
| Gladius Capital Management LP | 6,402 | $29.1K | 0.03% | +6,402 | New |
| Great West Life Assurance Co | 7,785 | $35.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 7,914 | $36.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 8,340 | $37.0K | 0.00% | +5,380+181.8% | Added |
| Texas Yale Capital Corp. | 10,000 | $45.4K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 10,084 | $46.0K | 0.01% | +10,084 | New |
| Vontobel Holding Ltd. | 11,000 | $49.9K | 0.00% | −2,000−15.4% | Reduced |
| China Universal Asset Management Co., Ltd. | 11,323 | $51.4K | 0.01% | −7,080−38.5% | Reduced |
| Creative Planning | 12,394 | $56.3K | 0.00% | +12,394 | New |
| Graham Capital Management, L.P. | 13,639 | $61.9K | 0.00% | +13,639 | New |
| Inceptionr LLC | 13,718 | $62.3K | 0.02% | +13,718 | New |
| Diversified Trust Co | 14,102 | $64.0K | 0.00% | 00.0% | Unchanged |
| NEOS Investment Management LLC | 14,344 | $65.1K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 14,721 | $67.0K | 0.00% | −72−0.5% | Reduced |
| Principal Financial Group Inc | 14,773 | $67.1K | 0.00% | −7,739−34.4% | Reduced |
| ProShare Advisors LLC | 15,639 | $71.0K | 0.00% | −4,070−20.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,730 | $80.5K | 0.00% | −30−0.2% | Reduced |
| Virtus ETF Advisers LLC | 18,362 | $83.4K | 0.04% | +7,533+69.6% | Added |
| Tower Research Capital LLC (TRC) | 18,411 | $83.6K | 0.00% | +17,533+1,996.9% | Added |
| Arizona State Retirement System | 18,763 | $85.2K | 0.00% | +486+2.7% | Added |
| Erste Asset Management GmbH | 19,000 | $86.3K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 19,475 | $88.4K | 0.00% | −23,847−55.0% | Reduced |
| Caxton Associates LP | 20,282 | $92.1K | 0.00% | +5,933+41.3% | Added |
| Tudor Investment Corp Et Al | 20,337 | $92.3K | 0.00% | +20,337 | New |
| Susquehanna International Group, LLP | 20,692 | $93.9K | 0.00% | −28,134−57.6% | Reduced |
| US Bancorp | 22,953 | $104.2K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 23,340 | $105.6K | 0.00% | −318−1.3% | Reduced |
| Simplex Trading, LLC | 23,431 | $106.0K | 0.00% | −5,701−19.6% | Reduced |
| Cornercap Investment Counsel Inc | 24,319 | $110.4K | 0.02% | −213−0.9% | Reduced |
| Sherbrooke Park Advisers LLC | 25,156 | $114.2K | 0.02% | +25,156 | New |
| State Board of Administration of Florida Retirement System | 25,570 | $116.1K | 0.00% | +180+0.7% | Added |
| Blackstone Group Inc. | 25,715 | $116.7K | 0.00% | +10,286+66.7% | Added |
| New York State Common Retirement Fund | 25,810 | $117.2K | 0.00% | +372+1.5% | Added |
| Wells Fargo & Company | 26,094 | $118.5K | 0.00% | +4,215+19.3% | Added |
| Engineers Gate Manager LP | 26,580 | $120.7K | 0.00% | +1,920+7.8% | Added |
| Voya Investment Management LLC | 27,833 | $126.4K | 0.00% | +5,586+25.1% | Added |
| Jasper Ridge Partners, L.P. | 30,632 | $139.1K | 0.00% | +15,926+108.3% | Added |
| Amundi | 31,790 | $140.2K | 0.00% | −17,128−35.0% | Reduced |
| XTX Topco Ltd | 31,069 | $141.1K | 0.01% | +11,978+62.7% | Added |
| Citigroup Inc | 32,527 | $147.7K | 0.00% | −208,449−86.5% | Reduced |
| Gsa Capital Partners LLP | 33,461 | $152.0K | 0.01% | −30,122−47.4% | Reduced |
| Vident Advisory, LLC | 33,978 | $154.3K | 0.00% | +11,967+54.4% | Added |
| Truist Financial Corp | 34,025 | $154.5K | 0.00% | −5,820−14.6% | Reduced |
| Invesco Ltd. | 36,488 | $165.7K | 0.00% | +4,861+15.4% | Added |
| Campbell & CO Investment Adviser LLC | 39,070 | $177.4K | 0.02% | +39,070 | New |
| State of Wisconsin Investment Board | 39,498 | $179.3K | 0.00% | −15,517−28.2% | Reduced |
| PDT Partners, LLC | 42,444 | $192.7K | 0.02% | −15,086−26.2% | Reduced |
| Corebridge Financial, Inc. | 43,417 | $197.1K | 0.00% | +43,417 | New |
| Algert Global LLC | 43,512 | $197.5K | 0.01% | +43,512 | New |
| HSBC Holdings PLC | 47,099 | $207.9K | 0.00% | +21,571+84.5% | Added |
| American Century Companies Inc | 50,083 | $227.4K | 0.00% | −21,346−29.9% | Reduced |
| MetLife Investment Management | 50,369 | $228.7K | 0.00% | +15,956+46.4% | Added |
| Utah Retirement Systems | 51,430 | $233.5K | 0.00% | +20,572+66.7% | Added |
| Marshall Wace, LLP | 52,609 | $238.8K | 0.00% | −124,669−70.3% | Reduced |
| Legal & General Group Plc | 61,022 | $277.0K | 0.00% | +668+1.1% | Added |
| Los Angeles Capital Management LLC | 63,186 | $286.9K | 0.00% | +4,430+7.5% | Added |
| SG Americas Securities, LLC | 64,183 | $291.0K | 0.00% | +64,183 | New |
| Spears Abacus Advisors LLC | 65,663 | $298.1K | 0.01% | −514−0.8% | Reduced |
| California State Teachers Retirement System | 66,694 | $302.8K | 0.00% | −364−0.5% | Reduced |
| Man Group plc | 67,537 | $306.6K | 0.00% | +2,239+3.4% | Added |
| BNP Paribas Arbitrage, SA | 67,592 | $306.9K | 0.00% | +23,666+53.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 68,166 | $309.5K | 0.00% | +68,166 | New |
| Federated Hermes, Inc. | 68,538 | $311.2K | 0.00% | +2,709+4.1% | Added |
| Alps Advisors Inc | 75,177 | $341.3K | 0.00% | +7,646+11.3% | Added |
| Barclays PLC | 76,069 | $345.4K | 0.00% | −26,156−25.6% | Reduced |
| Corton Capital Inc. | 79,878 | $362.6K | 0.19% | +79,878 | New |
| Russell Investments Group, Ltd. | 83,813 | $380.5K | 0.00% | +5,465+7.0% | Added |
| Y-Intercept (Hong Kong) Ltd | 89,892 | $408.1K | 0.02% | +89,892 | New |
| Cubist Systematic Strategies, LLC | 92,218 | $418.7K | 0.01% | +38,947+73.1% | Added |
| DekaBank Deutsche Girozentrale | 100,000 | $437.0K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 100,449 | $456.0K | 0.21% | +100,449 | New |
| Rafferty Asset Management, LLC | 100,632 | $456.9K | 0.00% | −174,998−63.5% | Reduced |
| STRS Ohio | 102,600 | $465.8K | 0.00% | +11,400+12.5% | Added |
| Ameriprise Financial Inc | 103,106 | $468.1K | 0.00% | +1,029+1.0% | Added |