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 2022
Institutional positions in Alector, Inc. as of Jun 30, 2022. 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
- 154
- −9 vs. Q1 2022
- Shares held
- 53.8M
- −1.57M (−2.8%) vs. Q1 2022
- Total value
- $546.8M
- −$242.6M (−30.7%) vs. Q1 2022
- New holders
- 12
- 57 more added
- Sold out
- 21
- 47 more reduced
3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2022
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 17,379 | $177.0K | 0.00% | −50,239−74.3% | Reduced |
| Occudo Quantitative Strategies LP | 17,463 | $177.0K | 0.01% | +17,463 | New |
| E Fund Management Co., Ltd. | 16,372 | $166.0K | 0.02% | +4,938+43.2% | Added |
| Ensign Peak Advisors, Inc | 15,190 | $154.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 14,713 | $149.0K | 0.00% | −11,420−43.7% | Reduced |
| Arizona State Retirement System | 14,451 | $147.0K | 0.00% | +170+1.2% | Added |
| HSBC Holdings PLC | 13,937 | $144.0K | 0.00% | +13,937 | New |
| BNP Paribas Arbitrage, SA | 14,078 | $143.0K | 0.00% | +3,850+37.6% | Added |
| Cornercap Investment Counsel Inc | 13,913 | $141.0K | 0.02% | +13,913 | New |
| ProShare Advisors LLC | 13,398 | $136.0K | 0.00% | −6,050−31.1% | Reduced |
| Virtus ETF Advisers LLC | 12,898 | $131.0K | 0.05% | +5,542+75.3% | Added |
| Quantbot Technologies LP | 10,762 | $109.0K | 0.01% | +8,962+497.9% | Added |
| Janus Henderson Group PLC | 10,666 | $108.0K | 0.00% | +133+1.3% | Added |
| AlphaCrest Capital Management LLC | 10,400 | $106.0K | 0.01% | −17,962−63.3% | Reduced |
| Tower Research Capital LLC (TRC) | 10,460 | $106.0K | 0.00% | −6,387−37.9% | Reduced |
| Utah Retirement Systems | 10,286 | $105.0K | 0.00% | 00.0% | Unchanged |
| BKD Wealth Advisors, LLC | 10,000 | $102.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 9,849 | $100.0K | 0.00% | +339+3.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,124 | $83.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 7,914 | $80.0K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 7,086 | $73.0K | 0.00% | −59,950−89.4% | Reduced |
| Lazard Asset Management LLC | 6,231 | $63.0K | 0.00% | +3,103+99.2% | Added |
| Hershey Trust Co | 5,143 | $52.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,559 | $46.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 3,857 | $39.2K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 3,192 | $32.0K | 0.00% | +473+17.4% | Added |
| Great West Life Assurance Co | 2,855 | $29.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 2,789 | $28.0K | 0.02% | −2,797−50.1% | Reduced |
| FourThought Financial, LLC | 1,962 | $20.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 1,898 | $19.0K | 0.00% | −60,100−96.9% | Reduced |
| Simplex Trading, LLC | 1,901 | $19.0K | 0.00% | −10,227−84.3% | Reduced |
| US Bancorp | 1,542 | $16.0K | 0.00% | +321+26.3% | Added |
| Royal Bank of Canada | 1,493 | $15.0K | 0.00% | −3,237−68.4% | Reduced |
| Cutler Group LP | 1,420 | $14.0K | 0.00% | −691−32.7% | Reduced |
| Macquarie Group Ltd | 1,405 | $14.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 649 | $6.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 500 | $5.00K | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 473 | $5.00K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 415 | $4.22K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 369 | $4.00K | 0.00% | +105+39.8% | Added |
| Nisa Investment Advisors, LLC | 400 | $4.00K | 0.00% | +400 | New |
| Captrust Financial Advisors | 265 | $3.00K | 0.00% | −1,000−79.1% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 300 | $3.00K | 0.00% | −600−66.7% | Reduced |
| Daiwa Securities Group Inc. | 277 | $3.00K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 200 | $2.00K | 0.00% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 156 | $2.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 183 | $2.00K | 0.00% | +183 | New |
| Venture Visionary Partners LLC | 100 | $1.02K | 0.00% | +100 | New |
| Salem Investment Counselors Inc | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| Howe & Rusling Inc | 50 | $1.00K | 0.00% | +50 | New |
| Investors Research Corp | 40 | $0 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 47 | $0 | 0.00% | +32+213.3% | Added |
| Covestor Ltd | 15 | $0 | 0.00% | −4−21.1% | Reduced |
| First Trust Advisors LP | 0 | $0 | 0.00% | −117,381−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −48,673−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −37,831−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −35,336−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −31,931−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −18,507−100.0% | Sold out |
| Quantedge Capital Pte Ltd | 0 | $0 | 0.00% | −16,200−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −15,873−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −12,984−100.0% | Sold out |
| Delphia (USA) Inc. | 0 | $0 | 0.00% | −11,031−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −10,911−100.0% | Sold out |
| D.A. Davidson & Co. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −9,635−100.0% | Sold out |
| Exane Derivatives | 0 | $0 | 0.00% | −4,594−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −3,892−100.0% | Sold out |
| Annapolis Financial Services, LLC | 0 | $0 | 0.00% | −205−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Fortitude Advisory Group L.L.C. | 0 | $0 | 0.00% | −76−100.0% | Sold out |
| Solstein Capital, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Parametric Portfolio Associates LLC | – | – | – | – | Not filed |
| Amalgamated Financial Corp. | – | – | – | – | Not filed |
| Nauset Wealth Management. LLC | – | – | – | – | Not filed |