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 2023
Institutional positions in Alector, Inc. as of Mar 31, 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
- 149
- −6 vs. Q4 2022
- Shares held
- 58.0M
- +3.17M (+5.8%) vs. Q4 2022
- Total value
- $360.9M
- −$145.1M (−28.7%) vs. Q4 2022
- New holders
- 13
- 52 more added
- Sold out
- 19
- 39 more reduced
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Allspring Global Investments Holdings, LLC | 17,805 | $110.2K | 0.00% | −2,797−13.6% | Reduced |
| Teacher Retirement System of Texas | 16,560 | $103.0K | 0.00% | +590+3.7% | Added |
| Trexquant Investment LP | 16,622 | $102.9K | 0.00% | +16,622 | New |
| Arizona State Retirement System | 15,576 | $96.4K | 0.00% | +433+2.9% | Added |
| Hamilton Lane Advisors LLC | 14,402 | $89.1K | 0.03% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 14,089 | $87.0K | 0.01% | +3,198+29.4% | Added |
| ProShare Advisors LLC | 13,075 | $80.9K | 0.00% | −1,767−11.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,058 | $74.6K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 11,874 | $73.5K | 0.00% | +11,874 | New |
| Vident Investment Advisory, LLC | 11,582 | $71.7K | 0.00% | +142+1.2% | Added |
| TD Asset Management Inc | 11,269 | $69.8K | 0.00% | −21,700−65.8% | Reduced |
| Virtus ETF Advisers LLC | 10,782 | $66.7K | 0.04% | −4,151−27.8% | Reduced |
| Blackstone Group Inc. | 10,286 | $63.7K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 10,160 | $62.0K | 0.00% | −92,453−90.1% | Reduced |
| Texas Yale Capital Corp. | 10,000 | $61.9K | 0.00% | 00.0% | Unchanged |
| BKD Wealth Advisors, LLC | 10,000 | $61.9K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 8,703 | $54.0K | 0.00% | −1,305−13.0% | Reduced |
| Public Employees Retirement Association of Colorado | 7,914 | $49.0K | 0.00% | 00.0% | Unchanged |
| Robeco Institutional Asset Management B.V. | 6,482 | $40.1K | 0.00% | +6,482 | New |
| Point72 Middle East FZE | 6,058 | $37.5K | 0.00% | +6,058 | New |
| Amundi | 4,946 | $30.4K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 4,671 | $29.0K | 0.00% | −4,632−49.8% | Reduced |
| Ameritas Investment Partners, Inc. | 4,559 | $28.2K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,571 | $28.0K | 0.00% | +3,554+349.5% | Added |
| Great West Life Assurance Co | 2,855 | $18.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,148 | $13.3K | 0.00% | −1,709−44.3% | Reduced |
| US Bancorp | 1,475 | $9.13K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 1,125 | $6.96K | 0.00% | +285+33.9% | Added |
| Signaturefd, LLC | 788 | $4.88K | 0.00% | +712+936.8% | Added |
| Advisor Group Holdings, Inc. | 550 | $3.40K | 0.00% | −43,582−98.8% | Reduced |
| Advisory Services Network, LLC | 539 | $3.34K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 415 | $2.57K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 277 | $2.00K | 0.00% | 00.0% | Unchanged |
| Mark Sheptoff Financial Planning, LLC | 300 | $1.86K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 200 | $1.24K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 157 | $972 | 0.00% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 156 | $966 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 152 | $940 | 0.00% | +152 | New |
| Chesapeake Asset Management LLC | 150 | $928 | 0.00% | +150 | New |
| GWM Advisors LLC | 92 | $569 | 0.00% | −98−51.6% | Reduced |
| Quadrant Capital Group LLC | 91 | $564 | 0.00% | +91 | New |
| RFP Financial Group LLC | 64 | $396 | 0.00% | 00.0% | Unchanged |
| Salem Investment Counselors Inc | 50 | $310 | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 50 | $310 | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 40 | $248 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 15 | $93 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 11 | $0 | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 86 | $0 | 0.00% | +86 | New |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −490,838−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −111,888−100.0% | Sold out |
| Swedbank AB | 0 | $0 | 0.00% | −75,900−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −59,599−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −49,420−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −41,711−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −33,425−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −29,850−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −20,622−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −17,100−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −13,716−100.0% | Sold out |
| Alpine Global Management, LLC | 0 | $0 | 0.00% | −10,095−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −7,104−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −5,726−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −3,218−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −1,020−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −369−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −271−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −25−100.0% | Sold out |