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 2023
Institutional positions in Alector, Inc. as of Jun 30, 2023. 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
- 145
- −4 vs. Q1 2023
- Shares held
- 59.0M
- +990.9K (+1.7%) vs. Q1 2023
- Total value
- $354.5M
- −$6.37M (−1.8%) vs. Q1 2023
- New holders
- 15
- 55 more added
- Sold out
- 19
- 36 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Martingale Asset Management L P | 17,564 | $105.6K | 0.00% | +17,564 | New |
| Arizona State Retirement System | 17,491 | $105.1K | 0.00% | +1,915+12.3% | Added |
| Teacher Retirement System of Texas | 16,869 | $101.0K | 0.00% | +309+1.9% | Added |
| State of Wyoming | 15,788 | $94.9K | 0.03% | +15,788 | New |
| SG Americas Securities, LLC | 15,456 | $93.0K | 0.00% | −25,989−62.7% | Reduced |
| Vident Investment Advisory, LLC | 14,916 | $89.6K | 0.00% | +3,334+28.8% | Added |
| Virtus ETF Advisers LLC | 14,104 | $84.8K | 0.05% | +3,322+30.8% | Added |
| ProShare Advisors LLC | 13,649 | $82.0K | 0.00% | +574+4.4% | Added |
| Squarepoint Ops LLC | 13,072 | $78.6K | 0.00% | +13,072 | New |
| New York State Common Retirement Fund | 12,377 | $74.4K | 0.00% | −15,253−55.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,058 | $72.5K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 11,874 | $71.4K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 11,727 | $70.5K | 0.01% | +11,727 | New |
| TD Asset Management Inc | 11,269 | $67.7K | 0.00% | 00.0% | Unchanged |
| Blackstone Group Inc. | 10,286 | $61.8K | 0.00% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 10,000 | $60.1K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 9,673 | $58.0K | 0.00% | +970+11.1% | Added |
| Public Employees Retirement Association of Colorado | 7,914 | $48.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 5,082 | $31.0K | 0.00% | +411+8.8% | Added |
| Ameritas Investment Partners, Inc. | 4,559 | $27.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,169 | $25.1K | 0.00% | −402−8.8% | Reduced |
| Metropolitan Life Insurance Co | 3,430 | $20.6K | 0.00% | +1,282+59.7% | Added |
| Great West Life Assurance Co | 2,855 | $17.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 2,023 | $12.2K | 0.00% | +548+37.2% | Added |
| Signaturefd, LLC | 1,371 | $8.24K | 0.00% | +583+74.0% | Added |
| China Universal Asset Management Co., Ltd. | 1,093 | $6.57K | 0.00% | −32−2.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 415 | $2.49K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 375 | $2.25K | 0.00% | +284+312.1% | Added |
| Lindbrook Capital, LLC | 346 | $2.08K | 0.00% | +346 | New |
| Daiwa Securities Group Inc. | 277 | $2.00K | 0.00% | 00.0% | Unchanged |
| Mark Sheptoff Financial Planning, LLC | 300 | $1.80K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 200 | $1.20K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 155 | $1.00K | 0.00% | +55+55.0% | Added |
| Beaird Harris Wealth Management, LLC | 157 | $944 | 0.00% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 156 | $938 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 152 | $914 | 0.00% | 00.0% | Unchanged |
| Chesapeake Asset Management LLC | 150 | $901 | 0.00% | 00.0% | Unchanged |
| RFP Financial Group LLC | 64 | $385 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 55 | $331 | 0.00% | +55 | New |
| Salem Investment Counselors Inc | 50 | $301 | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 50 | $301 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 42 | $253 | 0.00% | +42 | New |
| GWM Advisors LLC | 32 | $192 | 0.00% | −60−65.2% | Reduced |
| Parallel Advisors, LLC | 15 | $90 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 11 | $0 | 0.00% | 00.0% | Unchanged |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −210,665−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −202,110−100.0% | Sold out |
| Newtyn Management, LLC | 0 | $0 | 0.00% | −155,000−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −68,368−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −61,116−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −43,010−100.0% | Sold out |
| Tejara Capital Ltd | 0 | $0 | 0.00% | −23,697−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −23,320−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −20,521−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −17,805−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −16,622−100.0% | Sold out |
| Hamilton Lane Advisors LLC | 0 | $0 | 0.00% | −14,402−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −14,089−100.0% | Sold out |
| BKD Wealth Advisors, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −6,482−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −6,058−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −539−100.0% | Sold out |
| Investors Research Corp | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −86−100.0% | Sold out |