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 |
|---|---|---|---|---|---|
| Covestor Ltd | 11 | $0 | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 86 | $0 | 0.00% | +86 | New |
| Parallel Advisors, LLC | 15 | $93 | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 40 | $248 | 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 |
| RFP Financial Group LLC | 64 | $396 | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 91 | $564 | 0.00% | +91 | New |
| GWM Advisors LLC | 92 | $569 | 0.00% | −98−51.6% | Reduced |
| Chesapeake Asset Management LLC | 150 | $928 | 0.00% | +150 | New |
| The PNC Financial Services Group, Inc. | 152 | $940 | 0.00% | +152 | New |
| Washington Trust Advisors, Inc. | 156 | $966 | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 157 | $972 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 200 | $1.24K | 0.00% | 00.0% | Unchanged |
| Mark Sheptoff Financial Planning, LLC | 300 | $1.86K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 277 | $2.00K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 415 | $2.57K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 539 | $3.34K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 550 | $3.40K | 0.00% | −43,582−98.8% | Reduced |
| Signaturefd, LLC | 788 | $4.88K | 0.00% | +712+936.8% | Added |
| China Universal Asset Management Co., Ltd. | 1,125 | $6.96K | 0.00% | +285+33.9% | Added |
| US Bancorp | 1,475 | $9.13K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,148 | $13.3K | 0.00% | −1,709−44.3% | Reduced |
| Great West Life Assurance Co | 2,855 | $18.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,571 | $28.0K | 0.00% | +3,554+349.5% | Added |
| Ameritas Investment Partners, Inc. | 4,559 | $28.2K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 4,671 | $29.0K | 0.00% | −4,632−49.8% | Reduced |
| Amundi | 4,946 | $30.4K | 0.00% | 00.0% | Unchanged |
| Point72 Middle East FZE | 6,058 | $37.5K | 0.00% | +6,058 | New |
| Robeco Institutional Asset Management B.V. | 6,482 | $40.1K | 0.00% | +6,482 | New |
| Public Employees Retirement Association of Colorado | 7,914 | $49.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 8,703 | $54.0K | 0.00% | −1,305−13.0% | 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 |
| Acadian Asset Management LLC | 10,160 | $62.0K | 0.00% | −92,453−90.1% | Reduced |
| Blackstone Group Inc. | 10,286 | $63.7K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 10,782 | $66.7K | 0.04% | −4,151−27.8% | Reduced |
| TD Asset Management Inc | 11,269 | $69.8K | 0.00% | −21,700−65.8% | Reduced |
| Vident Investment Advisory, LLC | 11,582 | $71.7K | 0.00% | +142+1.2% | Added |
| Diversified Trust Co | 11,874 | $73.5K | 0.00% | +11,874 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,058 | $74.6K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 13,075 | $80.9K | 0.00% | −1,767−11.9% | Reduced |
| E Fund Management Co., Ltd. | 14,089 | $87.0K | 0.01% | +3,198+29.4% | Added |
| Hamilton Lane Advisors LLC | 14,402 | $89.1K | 0.03% | 00.0% | Unchanged |
| Arizona State Retirement System | 15,576 | $96.4K | 0.00% | +433+2.9% | Added |
| Trexquant Investment LP | 16,622 | $102.9K | 0.00% | +16,622 | New |
| Teacher Retirement System of Texas | 16,560 | $103.0K | 0.00% | +590+3.7% | Added |
| Allspring Global Investments Holdings, LLC | 17,805 | $110.2K | 0.00% | −2,797−13.6% | Reduced |
| NinePointTwo Capital | 18,542 | $114.0K | 0.04% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 19,000 | $115.5K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 19,080 | $118.0K | 0.00% | −31,422−62.2% | Reduced |
| Verition Fund Management LLC | 20,521 | $127.0K | 0.00% | +20,521 | New |
| Utah Retirement Systems | 20,572 | $127.3K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 23,320 | $144.4K | 0.01% | +10,225+78.1% | Added |
| Massachusetts Financial Services Co | 23,329 | $144.4K | 0.00% | −54,268−69.9% | Reduced |
| Cornercap Investment Counsel Inc | 23,691 | $146.6K | 0.03% | +1,013+4.5% | Added |
| Tejara Capital Ltd | 23,697 | $146.7K | 0.08% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 23,736 | $146.9K | 0.00% | +13,176+124.8% | Added |
| DekaBank Deutsche Girozentrale | 25,100 | $151.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 24,437 | $151.3K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 24,722 | $152.7K | 0.00% | +353+1.4% | Added |
| State Board of Administration of Florida Retirement System | 25,390 | $157.2K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 25,767 | $159.5K | 0.00% | +400+1.6% | Added |
| New York State Common Retirement Fund | 27,630 | $171.0K | 0.00% | −13,928−33.5% | Reduced |
| Invesco Ltd. | 28,121 | $174.1K | 0.00% | −54,053−65.8% | Reduced |
| Principal Financial Group Inc | 28,669 | $177.5K | 0.00% | −3,644−11.3% | Reduced |
| Wellington Management Group LLP | 29,750 | $184.2K | 0.00% | −728−2.4% | Reduced |
| American International Group, Inc. | 30,015 | $185.8K | 0.00% | +598+2.0% | Added |
| MetLife Investment Management | 31,825 | $197.0K | 0.00% | 00.0% | Unchanged |
| Medici Capital LLC | 23,294 | $215.0K | 0.27% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 41,445 | $257.0K | 0.00% | +24,230+140.7% | Added |
| Cubist Systematic Strategies, LLC | 43,010 | $266.2K | 0.00% | +43,010 | New |
| Profund Advisors LLC | 46,315 | $286.7K | 0.02% | +46,315 | New |
| Capital Impact Advisors, LLC | 51,465 | $318.6K | 0.39% | −17,162−25.0% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 52,923 | $327.6K | 0.00% | +14,220+36.7% | Added |
| Wells Fargo & Company | 53,307 | $330.0K | 0.00% | +53,305+2,665,250.0% | Added |
| Truist Financial Corp | 53,886 | $333.6K | 0.00% | +5,392+11.1% | Added |
| Alps Advisors Inc | 54,704 | $338.6K | 0.00% | −1,355−2.4% | Reduced |
| Legal & General Group Plc | 55,826 | $345.6K | 0.00% | +2,524+4.7% | Added |
| Walleye Capital LLC | 61,116 | $378.3K | 0.01% | −48,697−44.3% | Reduced |
| Candriam Luxembourg S.C.A. | 68,368 | $389.5K | 0.00% | −29,570−30.2% | Reduced |
| STRS Ohio | 67,500 | $417.0K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 68,676 | $425.1K | 0.00% | +6,376+10.2% | Added |
| California State Teachers Retirement System | 70,345 | $435.4K | 0.00% | −1,285−1.8% | Reduced |
| Susquehanna Fundamental Investments, LLC | 71,534 | $442.8K | 0.01% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 74,700 | $462.4K | 0.00% | −16,000−17.6% | Reduced |
| AQR Capital Management LLC | 75,339 | $466.3K | 0.00% | −104,329−58.1% | Reduced |
| PDT Partners, LLC | 76,290 | $472.2K | 0.06% | +20,631+37.1% | Added |
| UBS Asset Management Americas Inc | 76,432 | $473.1K | 0.00% | +76,432 | New |
| Manufacturers Life Insurance Company, The | 76,942 | $476.3K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 82,832 | $513.0K | 0.00% | −470−0.6% | Reduced |
| Cannell Peter B & Co Inc | 110,277 | $682.6K | 0.02% | −2,795−2.5% | Reduced |
| UBS Group AG | 112,412 | $695.8K | 0.00% | −55,684−33.1% | Reduced |
| Swiss National Bank | 116,000 | $718.0K | 0.00% | −13,600−10.5% | Reduced |
| BNP Paribas Arbitrage, SA | 122,615 | $759.0K | 0.00% | +13,347+12.2% | Added |
| Barclays PLC | 127,295 | $788.0K | 0.00% | −11,446−8.2% | Reduced |
| Algert Global LLC | 127,558 | $789.6K | 0.04% | +26,139+25.8% | Added |
| Nordea Investment Management AB | 143,620 | $889.0K | 0.00% | −26,247−15.5% | Reduced |
| State of Wisconsin Investment Board | 145,997 | $903.7K | 0.00% | +13,399+10.1% | Added |