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 |
|---|---|---|---|---|---|
| Covestor Ltd | 10 | $0 | 0.00% | −1−9.1% | Reduced |
| Capital Advisors, Ltd. LLC | 73 | $0 | 0.00% | +73 | New |
| Assetmark, Inc | 2 | $13 | 0.00% | +2 | New |
| Parallel Advisors, LLC | 15 | $97 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 21 | $136 | 0.00% | +21 | New |
| Authentikos Wealth Advisory, LLC | 24 | $156 | 0.00% | +24 | New |
| GWM Advisors LLC | 32 | $207 | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 50 | $324 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 61 | $396 | 0.00% | +19+45.2% | Added |
| RFP Financial Group LLC | 64 | $415 | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 91 | $590 | 0.00% | −284−75.7% | Reduced |
| Lindbrook Capital, LLC | 113 | $732 | 0.00% | −233−67.3% | Reduced |
| Chesapeake Asset Management LLC | 150 | $972 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 152 | $984 | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 157 | $1.02K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 200 | $1.23K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 225 | $1.46K | 0.00% | +225 | New |
| Mark Sheptoff Financial Planning, LLC | 300 | $1.94K | 0.00% | 00.0% | Unchanged |
| 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 |
| Advisor Group Holdings, Inc. | 402 | $2.60K | 0.00% | −41,978−99.1% | Reduced |
| Federation des caisses Desjardins du Quebec | 455 | $2.95K | 0.00% | +40+9.6% | Added |
| Tower Research Capital LLC (TRC) | 1,131 | $7.33K | 0.00% | −3,038−72.9% | Reduced |
| Signaturefd, LLC | 1,846 | $12.0K | 0.00% | +475+34.6% | Added |
| US Bancorp | 1,987 | $12.9K | 0.00% | −36−1.8% | Reduced |
| China Universal Asset Management Co., Ltd. | 2,149 | $13.9K | 0.00% | +1,056+96.6% | Added |
| Great West Life Assurance Co | 2,855 | $18.0K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 3,061 | $20.0K | 0.00% | +3,061 | New |
| Metropolitan Life Insurance Co | 3,430 | $22.2K | 0.00% | 00.0% | Unchanged |
| Hershey Trust Co | 5,143 | $33.3K | 0.00% | +5,143 | New |
| Ameritas Investment Partners, Inc. | 6,260 | $40.6K | 0.00% | +1,701+37.3% | Added |
| Public Employees Retirement Association of Colorado | 7,914 | $51.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 7,960 | $51.6K | 0.00% | −213,191−96.4% | Reduced |
| Royal Bank of Canada | 8,986 | $59.0K | 0.00% | +3,904+76.8% | Added |
| Cubist Systematic Strategies, LLC | 9,617 | $62.3K | 0.00% | +9,617 | New |
| Amalgamated Bank | 9,673 | $63.0K | 0.00% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 10,000 | $64.8K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 11,000 | $71.3K | 0.00% | +11,000 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,058 | $78.1K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 12,561 | $81.4K | 0.00% | +687+5.8% | Added |
| New York State Common Retirement Fund | 12,569 | $81.4K | 0.00% | +192+1.6% | Added |
| Virtus ETF Advisers LLC | 12,831 | $83.1K | 0.05% | −1,273−9.0% | Reduced |
| ProShare Advisors LLC | 13,724 | $88.9K | 0.00% | +75+0.5% | Added |
| Jasper Ridge Partners, L.P. | 14,706 | $95.3K | 0.00% | +14,706 | New |
| Blackstone Group Inc. | 15,429 | $100.0K | 0.00% | +5,143+50.0% | Added |
| Schonfeld Strategic Advisors LLC | 17,556 | $113.8K | 0.00% | +17,556 | New |
| Teacher Retirement System of Texas | 17,718 | $115.0K | 0.00% | +849+5.0% | Added |
| Arizona State Retirement System | 17,799 | $115.3K | 0.00% | +308+1.8% | Added |
| Bailard, Inc. | 18,300 | $118.6K | 0.00% | +18,300 | New |
| NinePointTwo Capital | 18,542 | $120.0K | 0.05% | 00.0% | Unchanged |
| Axq Capital, LP | 19,088 | $123.7K | 0.04% | +19,088 | New |
| Erste Asset Management GmbH | 19,000 | $127.1K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 21,783 | $141.2K | 0.00% | +8,711+66.6% | Added |
| Massachusetts Financial Services Co | 21,951 | $142.2K | 0.00% | −841−3.7% | Reduced |
| Janus Henderson Group PLC | 23,706 | $153.5K | 0.00% | +40.0% | Added |
| Cornercap Investment Counsel Inc | 24,532 | $159.0K | 0.03% | +322+1.3% | Added |
| State Board of Administration of Florida Retirement System | 25,570 | $165.7K | 0.00% | +180+0.7% | Added |
| Voya Investment Management LLC | 25,946 | $168.1K | 0.00% | +638+2.5% | Added |
| Stifel Financial Corp | 26,150 | $169.5K | 0.00% | +200+0.8% | Added |
| Vident Advisory, LLC | 26,802 | $173.7K | 0.01% | +26,802 | New |
| Utah Retirement Systems | 30,858 | $200.0K | 0.00% | +10,286+50.0% | Added |
| Shell Asset Management Co | 31,503 | $204.0K | 0.01% | +31,503 | New |
| American International Group, Inc. | 31,677 | $205.3K | 0.00% | +1,126+3.7% | Added |
| PDT Partners, LLC | 31,757 | $205.8K | 0.03% | −15,062−32.2% | Reduced |
| MetLife Investment Management | 31,825 | $206.2K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 31,990 | $207.3K | 0.01% | +1,206+3.9% | Added |
| Deutsche Bank AG | 33,237 | $215.4K | 0.00% | −247,993−88.2% | Reduced |
| Invesco Ltd. | 34,573 | $224.0K | 0.00% | +1,954+6.0% | Added |
| HSBC Holdings PLC | 36,807 | $240.6K | 0.00% | +14,472+64.8% | Added |
| XTX Topco Ltd | 37,166 | $240.8K | 0.04% | +25,439+216.9% | Added |
| Amundi | 42,723 | $256.3K | 0.00% | +15,839+58.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 40,500 | $262.4K | 0.00% | −33,500−45.3% | Reduced |
| Principal Financial Group Inc | 41,493 | $268.9K | 0.00% | +6,973+20.2% | Added |
| Wells Fargo & Company | 46,876 | $303.8K | 0.00% | −8,303−15.0% | Reduced |
| Trexquant Investment LP | 48,772 | $316.0K | 0.01% | +48,772 | New |
| Truist Financial Corp | 49,688 | $322.0K | 0.00% | −11,705−19.1% | Reduced |
| Capital Impact Advisors, LLC | 51,465 | $333.5K | 0.56% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 59,119 | $383.1K | 0.00% | +4,114+7.5% | Added |
| Susquehanna Fundamental Investments, LLC | 59,563 | $386.0K | 0.03% | −11,971−16.7% | Reduced |
| Medici Capital LLC | 59,654 | $386.6K | 0.87% | +36,360+156.1% | Added |
| Legal & General Group Plc | 59,811 | $387.6K | 0.00% | +5,509+10.1% | Added |
| Alps Advisors Inc | 61,832 | $400.7K | 0.00% | +562+0.9% | Added |
| Jane Street Group, LLC | 62,063 | $402.2K | 0.00% | −16,967−21.5% | Reduced |
| AQR Capital Management LLC | 63,797 | $413.4K | 0.00% | +39,596+163.6% | Added |
| UBS Asset Management Americas Inc | 64,720 | $419.4K | 0.00% | −11,712−15.3% | Reduced |
| Man Group plc | – | $428.3K | 0.00% | – | – |
| Virginia Retirement Systems Et Al | 67,800 | $439.3K | 0.00% | −4,000−5.6% | Reduced |
| California State Teachers Retirement System | 69,257 | $448.8K | 0.00% | −6,632−8.7% | Reduced |
| STRS Ohio | 73,200 | $474.0K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 75,669 | $490.3K | 0.00% | −28,554−27.4% | Reduced |
| Manufacturers Life Insurance Company, The | 78,211 | $506.8K | 0.00% | +82+0.1% | Added |
| Citigroup Inc | 79,523 | $515.3K | 0.00% | −388−0.5% | Reduced |
| UBS Group AG | 79,682 | $516.3K | 0.00% | −11,359−12.5% | Reduced |
| Ameriprise Financial Inc | 80,074 | $518.9K | 0.00% | −91,052−53.2% | Reduced |
| BNP Paribas Arbitrage, SA | 80,668 | $522.7K | 0.00% | +28,769+55.4% | Added |
| Susquehanna International Group, LLP | 83,170 | $538.9K | 0.00% | +33,886+68.8% | Added |
| Credit Suisse AG | 83,681 | $542.3K | 0.00% | +5,574+7.1% | Added |
| Rhumbline Advisers | 87,681 | $568.2K | 0.00% | −2,932−3.2% | Reduced |
| Cannell Peter B & Co Inc | 88,252 | $571.9K | 0.02% | −22,025−20.0% | Reduced |