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, Q4 2021
Institutional positions in Alector, Inc. as of Dec 31, 2021. 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
- 167
- +23 vs. Q3 2021
- Shares held
- 54.7M
- +3.58M (+7.0%) vs. Q3 2021
- Total value
- $1.13B
- −$37.1M (−3.2%) vs. Q3 2021
- New holders
- 42
- 53 more added
- Sold out
- 19
- 45 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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, Q4 2021
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parallel Advisors, LLC | 15 | $0 | 0.00% | −24−61.5% | Reduced |
| Solstein Capital, LLC | 18 | $0 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 17 | $0 | 0.00% | +17 | New |
| Salem Investment Counselors Inc | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 40 | $1.00K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bivin & Associates, Inc. | 30 | $1.00K | 0.00% | +30 | New |
| The PNC Financial Services Group, Inc. | 98 | $2.00K | 0.00% | −200−67.1% | Reduced |
| Signaturefd, LLC | 117 | $2.00K | 0.00% | +9+8.3% | Added |
| Bellevue Asset Management, LLC | 73 | $2.00K | 0.00% | −5−6.4% | Reduced |
| Fortitude Advisory Group L.L.C. | 76 | $2.00K | 0.00% | +76 | New |
| Washington Trust Advisors, Inc. | 156 | $3.00K | 0.00% | +156 | New |
| Group One Trading, L.P. | 198 | $4.00K | 0.00% | −22,500−99.1% | Reduced |
| TCI Wealth Advisors, Inc. | 189 | $4.00K | 0.00% | +47+33.1% | Added |
| National Bank of Canada | 200 | $4.00K | 0.00% | +200 | New |
| HM Payson & Co | 184 | $4.00K | 0.00% | +184 | New |
| Dark Forest Capital Management LP | 310 | $6.00K | 0.00% | −8,786−96.6% | Reduced |
| Daiwa Securities Group Inc. | 277 | $6.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 411 | $8.00K | 0.00% | −140−25.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 415 | $8.57K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 500 | $10.0K | 0.00% | +500 | New |
| Beaird Harris Wealth Management, LLC | 473 | $10.0K | 0.00% | +473 | New |
| Macroview Investment Management LLC | 803 | $17.0K | 0.02% | +803 | New |
| Mark Sheptoff Financial Planning, LLC | 900 | $19.0K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 1,018 | $21.0K | 0.00% | −768−43.0% | Reduced |
| Advisor Group Holdings, Inc. | 1,096 | $22.0K | 0.00% | +262+31.4% | Added |
| Eaton Vance Management | 1,286 | $27.0K | 0.00% | +1,286 | New |
| Macquarie Group Ltd | 1,405 | $29.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 1,575 | $32.0K | 0.01% | +1,302+476.9% | Added |
| FourThought Financial, LLC | 1,613 | $33.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 2,855 | $59.0K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 3,019 | $62.0K | 0.00% | +15+0.5% | Added |
| Lazard Asset Management LLC | 3,128 | $64.0K | 0.00% | +3,128 | New |
| Amundi | 3,892 | $66.0K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 3,221 | $67.0K | 0.01% | −1,622−33.5% | Reduced |
| Cutler Group LP | 4,211 | $86.0K | 0.01% | −2,500−37.3% | Reduced |
| Ameritas Investment Partners, Inc. | 4,559 | $94.0K | 0.00% | 00.0% | Unchanged |
| Exane Derivatives | 4,983 | $102.9K | 0.03% | +4,866+4,159.0% | Added |
| Hershey Trust Co | 5,143 | $106.0K | 0.00% | +5,143 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,374 | $111.0K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 7,799 | $161.0K | 0.06% | −2,240−22.3% | Reduced |
| Public Employees Retirement Association of Colorado | 7,914 | $163.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 7,943 | $164.0K | 0.01% | −5,578−41.3% | Reduced |
| Tower Research Capital LLC (TRC) | 7,925 | $164.0K | 0.00% | −2,736−25.7% | Reduced |
| D.A. Davidson & Co. | 10,000 | $207.0K | 0.00% | −5,000−33.3% | Reduced |
| Teacher Retirement System of Texas | 10,145 | $209.0K | 0.00% | +10,145 | New |
| Amalgamated Bank | 10,279 | $212.0K | 0.00% | −109−1.0% | Reduced |
| Utah Retirement Systems | 10,286 | $212.0K | 0.00% | +10,286 | New |
| Russell Investments Group, Ltd. | 10,160 | $212.0K | 0.00% | +10,160 | New |
| Transcend Wealth Collective, LLC | 10,400 | $215.0K | 0.02% | +10,400 | New |
| Janus Henderson Group PLC | 10,524 | $217.0K | 0.00% | +10,524 | New |
| Quantedge Capital Pte Ltd | 11,500 | $237.0K | 0.10% | +11,500 | New |
| Mirae Asset Global Investments Co., Ltd. | 11,859 | $245.0K | 0.00% | +991+9.1% | Added |
| BNP Paribas Arbitrage, SA | 12,157 | $251.0K | 0.00% | −16,005−56.8% | Reduced |
| SEI Investments Co | 13,815 | $285.0K | 0.00% | −1,685−10.9% | Reduced |
| Royal Bank of Canada | 13,912 | $288.0K | 0.00% | +7,899+131.4% | Added |
| Gotham Asset Management, LLC | 13,978 | $289.0K | 0.01% | +13,978 | New |
| Arizona State Retirement System | 14,149 | $292.0K | 0.00% | +26+0.2% | Added |
| Panagora Asset Management Inc | 14,687 | $303.0K | 0.00% | +14,687 | New |
| Metropolitan Life Insurance Co | 15,133 | $312.5K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 15,190 | $314.0K | 0.00% | +15,190 | New |
| Delphia (USA) Inc. | 15,323 | $316.0K | 0.34% | +15,323 | New |
| British Columbia Investment Management Corp | 15,429 | $319.0K | 0.00% | +15,429 | New |
| Handelsbanken Fonder AB | 15,700 | $324.0K | 0.00% | −1,100−6.5% | Reduced |
| Trexquant Investment LP | 17,998 | $372.0K | 0.02% | +17,998 | New |
| Principal Financial Group Inc | 19,614 | $405.0K | 0.00% | −8,450−30.1% | Reduced |
| Nordea Investment Management AB | 19,427 | $417.0K | 0.00% | +19,427 | New |
| MetLife Investment Management | 20,549 | $424.3K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 20,675 | $427.0K | 0.00% | −50.0% | Reduced |
| IndexIQ Advisors LLC | 20,969 | $433.0K | 0.01% | −1,355−6.1% | Reduced |
| First Manhattan Co | 22,610 | $466.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 22,866 | $472.0K | 0.00% | +78+0.3% | Added |
| DekaBank Deutsche Girozentrale | 22,800 | $484.0K | 0.00% | +600+2.7% | Added |
| Oppenheimer & Co Inc | 24,100 | $497.0K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 24,207 | $500.0K | 0.00% | −557−2.2% | Reduced |
| Walleye Capital LLC | 25,072 | $518.0K | 0.02% | +9,518+61.2% | Added |
| State Board of Administration of Florida Retirement System | 25,380 | $524.0K | 0.00% | −876−3.3% | Reduced |
| HRT Financial LP | 26,619 | $549.0K | 0.00% | −15,959−37.5% | Reduced |
| Invesco Ltd. | 26,943 | $557.0K | 0.00% | −1,602−5.6% | Reduced |
| Capital Impact Advisors, LLC | 27,919 | $577.0K | 0.40% | +27,919 | New |
| Qube Research & Technologies Ltd | 28,261 | $584.0K | 0.00% | +28,261 | New |
| Manufacturers Life Insurance Company, The | 30,267 | $625.0K | 0.00% | −866−2.8% | Reduced |
| Wellington Management Group LLP | 30,836 | $637.0K | 0.00% | +30,836 | New |
| Citadel Advisors LLC | 30,941 | $639.0K | 0.00% | −143,229−82.2% | Reduced |
| American International Group, Inc. | 31,041 | $641.0K | 0.00% | −929−2.9% | Reduced |
| AE Wealth Management LLC | 31,303 | $646.0K | 0.00% | +31,303 | New |
| Kiwi Wealth Investments Limited Partnership | 32,471 | $671.0K | 0.03% | +32,471 | New |
| Jane Street Group, LLC | 32,743 | $677.0K | 0.00% | −54,661−62.5% | Reduced |
| Massachusetts Financial Services Co | 32,773 | $677.0K | 0.00% | +32,773 | New |
| Truist Financial Corp | 34,526 | $713.0K | 0.00% | −98−0.3% | Reduced |
| Credit Suisse AG | 38,249 | $790.0K | 0.00% | +667+1.8% | Added |
| Dynamic Technology Lab Private Ltd | 38,986 | $805.0K | 0.09% | +38,986 | New |
| Corton Capital Inc. | 39,334 | $812.0K | 0.36% | +39,334 | New |
| Acadian Asset Management LLC | 40,947 | $843.0K | 0.00% | +40,947 | New |
| New York State Common Retirement Fund | 41,481 | $857.0K | 0.00% | −92−0.2% | Reduced |
| STRS Ohio | 42,300 | $873.0K | 0.00% | +34,300+428.7% | Added |
| Jackson Creek Investment Advisors LLC | 45,024 | $930.0K | 0.33% | −3,142−6.5% | Reduced |
| ExodusPoint Capital Management, LP | 45,942 | $949.0K | 0.01% | +45,942 | New |
| Legal & General Group Plc | 49,751 | $1.03M | 0.00% | +1,614+3.4% | Added |
| SG Americas Securities, LLC | 53,443 | $1.10M | 0.01% | −25,799−32.6% | Reduced |