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, Q3 2023
Institutional positions in Alector, Inc. as of Sep 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
- 149
- +4 vs. Q2 2023
- Shares held
- 62.1M
- +3.07M (+5.2%) vs. Q2 2023
- Total value
- $402.6M
- +$48.1M (+13.6%) vs. Q2 2023
- New holders
- 20
- 59 more added
- Sold out
- 16
- 40 more reduced
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arizona State Retirement System | 17,799 | $115.3K | 0.00% | +308+1.8% | Added |
| Teacher Retirement System of Texas | 17,718 | $115.0K | 0.00% | +849+5.0% | Added |
| Schonfeld Strategic Advisors LLC | 17,556 | $113.8K | 0.00% | +17,556 | New |
| Blackstone Group Inc. | 15,429 | $100.0K | 0.00% | +5,143+50.0% | Added |
| Jasper Ridge Partners, L.P. | 14,706 | $95.3K | 0.00% | +14,706 | New |
| ProShare Advisors LLC | 13,724 | $88.9K | 0.00% | +75+0.5% | Added |
| Virtus ETF Advisers LLC | 12,831 | $83.1K | 0.05% | −1,273−9.0% | Reduced |
| New York State Common Retirement Fund | 12,569 | $81.4K | 0.00% | +192+1.6% | Added |
| Diversified Trust Co | 12,561 | $81.4K | 0.00% | +687+5.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,058 | $78.1K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 11,000 | $71.3K | 0.00% | +11,000 | New |
| Texas Yale Capital Corp. | 10,000 | $64.8K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 9,673 | $63.0K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 9,617 | $62.3K | 0.00% | +9,617 | New |
| Royal Bank of Canada | 8,986 | $59.0K | 0.00% | +3,904+76.8% | Added |
| Citadel Advisors LLC | 7,960 | $51.6K | 0.00% | −213,191−96.4% | Reduced |
| Public Employees Retirement Association of Colorado | 7,914 | $51.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,260 | $40.6K | 0.00% | +1,701+37.3% | Added |
| Hershey Trust Co | 5,143 | $33.3K | 0.00% | +5,143 | New |
| Metropolitan Life Insurance Co | 3,430 | $22.2K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 3,061 | $20.0K | 0.00% | +3,061 | New |
| Great West Life Assurance Co | 2,855 | $18.0K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 2,149 | $13.9K | 0.00% | +1,056+96.6% | Added |
| US Bancorp | 1,987 | $12.9K | 0.00% | −36−1.8% | Reduced |
| Signaturefd, LLC | 1,846 | $12.0K | 0.00% | +475+34.6% | Added |
| Tower Research Capital LLC (TRC) | 1,131 | $7.33K | 0.00% | −3,038−72.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 455 | $2.95K | 0.00% | +40+9.6% | Added |
| Advisor Group Holdings, Inc. | 402 | $2.60K | 0.00% | −41,978−99.1% | Reduced |
| Daiwa Securities Group Inc. | 277 | $2.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 263 | $2.00K | 0.00% | +108+69.7% | Added |
| Simplex Trading, LLC | 444 | $2.00K | 0.00% | +444 | New |
| Mark Sheptoff Financial Planning, LLC | 300 | $1.94K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 225 | $1.46K | 0.00% | +225 | New |
| National Bank of Canada | 200 | $1.23K | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 157 | $1.02K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 152 | $984 | 0.00% | 00.0% | Unchanged |
| Chesapeake Asset Management LLC | 150 | $972 | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 113 | $732 | 0.00% | −233−67.3% | Reduced |
| Quadrant Capital Group LLC | 91 | $590 | 0.00% | −284−75.7% | Reduced |
| RFP Financial Group LLC | 64 | $415 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 61 | $396 | 0.00% | +19+45.2% | Added |
| HighMark Wealth Management LLC | 50 | $324 | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 32 | $207 | 0.00% | 00.0% | Unchanged |
| Authentikos Wealth Advisory, LLC | 24 | $156 | 0.00% | +24 | New |
| Comerica Bank | 21 | $136 | 0.00% | +21 | New |
| Parallel Advisors, LLC | 15 | $97 | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 2 | $13 | 0.00% | +2 | New |
| Covestor Ltd | 10 | $0 | 0.00% | −1−9.1% | Reduced |
| Capital Advisors, Ltd. LLC | 73 | $0 | 0.00% | +73 | New |
| Norges Bank | 0 | $0 | 0.00% | −533,791−100.0% | Sold out |
| Pier Capital, LLC | 0 | $0 | 0.00% | −358,963−100.0% | Sold out |
| Platinum Investment Management Ltd | 0 | $0 | 0.00% | −181,689−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −154,266−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −45,540−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −27,326−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −26,960−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −23,366−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −20,637−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −17,564−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −15,788−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −15,456−100.0% | Sold out |
| Vident Investment Advisory, LLC | 0 | $0 | 0.00% | −14,916−100.0% | Sold out |
| Washington Trust Advisors, Inc. | 0 | $0 | 0.00% | −156−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |