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 2024
Institutional positions in Alector, Inc. as of Jun 30, 2024. 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
- 160
- +5 vs. Q1 2024
- Shares held
- 72.8M
- −1.30M (−1.8%) vs. Q1 2024
- Total value
- $330.4M
- −$115.6M (−25.9%) vs. Q1 2024
- New holders
- 24
- 58 more added
- Sold out
- 19
- 50 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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 2024
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wells Fargo & Company | 26,094 | $118.5K | 0.00% | +4,215+19.3% | Added |
| New York State Common Retirement Fund | 25,810 | $117.2K | 0.00% | +372+1.5% | Added |
| Blackstone Group Inc. | 25,715 | $116.7K | 0.00% | +10,286+66.7% | Added |
| State Board of Administration of Florida Retirement System | 25,570 | $116.1K | 0.00% | +180+0.7% | Added |
| Sherbrooke Park Advisers LLC | 25,156 | $114.2K | 0.02% | +25,156 | New |
| Cornercap Investment Counsel Inc | 24,319 | $110.4K | 0.02% | −213−0.9% | Reduced |
| Simplex Trading, LLC | 23,431 | $106.0K | 0.00% | −5,701−19.6% | Reduced |
| Janus Henderson Group PLC | 23,340 | $105.6K | 0.00% | −318−1.3% | Reduced |
| US Bancorp | 22,953 | $104.2K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 20,692 | $93.9K | 0.00% | −28,134−57.6% | Reduced |
| Tudor Investment Corp Et Al | 20,337 | $92.3K | 0.00% | +20,337 | New |
| Caxton Associates LP | 20,282 | $92.1K | 0.00% | +5,933+41.3% | Added |
| Profund Advisors LLC | 19,475 | $88.4K | 0.00% | −23,847−55.0% | Reduced |
| Erste Asset Management GmbH | 19,000 | $86.3K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 18,763 | $85.2K | 0.00% | +486+2.7% | Added |
| Tower Research Capital LLC (TRC) | 18,411 | $83.6K | 0.00% | +17,533+1,996.9% | Added |
| Virtus ETF Advisers LLC | 18,362 | $83.4K | 0.04% | +7,533+69.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,730 | $80.5K | 0.00% | −30−0.2% | Reduced |
| ProShare Advisors LLC | 15,639 | $71.0K | 0.00% | −4,070−20.7% | Reduced |
| Principal Financial Group Inc | 14,773 | $67.1K | 0.00% | −7,739−34.4% | Reduced |
| Teacher Retirement System of Texas | 14,721 | $67.0K | 0.00% | −72−0.5% | Reduced |
| NEOS Investment Management LLC | 14,344 | $65.1K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 14,102 | $64.0K | 0.00% | 00.0% | Unchanged |
| Inceptionr LLC | 13,718 | $62.3K | 0.02% | +13,718 | New |
| Graham Capital Management, L.P. | 13,639 | $61.9K | 0.00% | +13,639 | New |
| Creative Planning | 12,394 | $56.3K | 0.00% | +12,394 | New |
| China Universal Asset Management Co., Ltd. | 11,323 | $51.4K | 0.01% | −7,080−38.5% | Reduced |
| Vontobel Holding Ltd. | 11,000 | $49.9K | 0.00% | −2,000−15.4% | Reduced |
| Dynamic Technology Lab Private Ltd | 10,084 | $46.0K | 0.01% | +10,084 | New |
| Texas Yale Capital Corp. | 10,000 | $45.4K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 8,340 | $37.0K | 0.00% | +5,380+181.8% | Added |
| Public Employees Retirement Association of Colorado | 7,914 | $36.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 7,785 | $35.0K | 0.00% | 00.0% | Unchanged |
| Gladius Capital Management LP | 6,402 | $29.1K | 0.03% | +6,402 | New |
| Ameritas Investment Partners, Inc. | 6,260 | $28.4K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 3,271 | $14.8K | 0.00% | +3,271 | New |
| Mirae Asset Global Investments Co., Ltd. | 2,878 | $13.1K | 0.00% | −49,765−94.5% | Reduced |
| Amalgamated Bank | 2,540 | $12.0K | 0.00% | +361+16.6% | Added |
| Group One Trading, L.P. | 2,000 | $9.08K | 0.00% | +2,000 | New |
| Advisor Group Holdings, Inc. | 1,828 | $8.30K | 0.00% | −63−3.3% | Reduced |
| Carolinas Wealth Consulting LLC | 1,500 | $6.81K | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 673 | $3.00K | 0.00% | +673 | New |
| Pacer Advisors, Inc. | 572 | $2.60K | 0.00% | −716−55.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 455 | $2.07K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 434 | $2.00K | 0.00% | −297−40.6% | Reduced |
| Signaturefd, LLC | 418 | $1.90K | 0.00% | −1,053−71.6% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 300 | $1.36K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 277 | $1.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 217 | $985 | 0.00% | −228−51.2% | Reduced |
| National Bank of Canada | 200 | $880 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 142 | $645 | 0.00% | +93+189.8% | Added |
| Motco | 125 | $568 | 0.00% | +125 | New |
| SRS Capital Advisors, Inc. | 84 | $382 | 0.00% | +84 | New |
| The PNC Financial Services Group, Inc. | 56 | $254 | 0.00% | +56 | New |
| GAMMA Investing LLC | 48 | $218 | 0.00% | −26−35.1% | Reduced |
| GWM Advisors LLC | 32 | $145 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 21 | $95 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 15 | $68 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 2 | $9 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 15 | $0 | 0.00% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 0 | $0 | 0.00% | −4,056,548−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −190,000−100.0% | Sold out |
| BIT Capital GmbH | 0 | $0 | 0.00% | −141,372−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −59,829−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −39,284−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −35,655−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −31,169−100.0% | Sold out |
| Capital Impact Advisors, LLC | 0 | $0 | 0.00% | −24,562−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −18,789−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −15,925−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −13,025−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −12,002−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −10,582−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −9,833−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −9,500−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −6,674−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −3,430−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |
| Shell Asset Management Co | – | – | – | – | Not filed |