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 2024
Institutional positions in Alector, Inc. as of Sep 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
- 159
- +1 vs. Q2 2024
- Shares held
- 72.5M
- +8.99M (+14.1%) vs. Q2 2024
- Total value
- $338.4M
- +$49.9M (+17.3%) vs. Q2 2024
- New holders
- 20
- 48 more added
- Sold out
- 19
- 50 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Alector, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Shell Asset Management Co | 21,493 | $100.0K | 0.00% | +21,493 | New |
| ProShare Advisors LLC | 21,000 | $97.9K | 0.00% | +5,361+34.3% | Added |
| BNP Paribas Arbitrage, SA | 20,120 | $93.8K | 0.00% | −47,472−70.2% | Reduced |
| Erste Asset Management GmbH | 19,000 | $93.5K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 19,428 | $90.5K | 0.00% | +665+3.5% | Added |
| Intech Investment Management LLC | 19,286 | $89.9K | 0.00% | +19,286 | New |
| Creative Planning | 19,117 | $89.1K | 0.00% | +6,723+54.2% | Added |
| China Universal Asset Management Co., Ltd. | 18,718 | $87.2K | 0.01% | +7,395+65.3% | Added |
| Virtus ETF Advisers LLC | 18,697 | $87.1K | 0.04% | +335+1.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,730 | $82.6K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 16,918 | $79.0K | 0.00% | +2,197+14.9% | Added |
| Profund Advisors LLC | 15,450 | $72.0K | 0.00% | −4,025−20.7% | Reduced |
| Valence8 US LP | 14,708 | $68.5K | 0.03% | +14,708 | New |
| Truist Financial Corp | 14,425 | $67.2K | 0.00% | −19,600−57.6% | Reduced |
| NEOS Investment Management LLC | 14,344 | $66.8K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 14,102 | $65.7K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 13,762 | $64.1K | 0.00% | −9,191−40.0% | Reduced |
| AJOVista, LLC | 12,117 | $56.5K | 0.24% | +12,117 | New |
| Cornercap Investment Counsel Inc | 11,767 | $54.8K | 0.02% | −12,552−51.6% | Reduced |
| Vontobel Holding Ltd. | 11,000 | $51.3K | 0.00% | 00.0% | Unchanged |
| nVerses Capital, LLC | 11,000 | $51.3K | 0.02% | +11,000 | New |
| State of Wyoming | 10,852 | $50.6K | 0.01% | +7,581+231.8% | Added |
| New York State Common Retirement Fund | 10,310 | $48.0K | 0.00% | −15,500−60.1% | Reduced |
| Royal Bank of Canada | 9,970 | $46.0K | 0.00% | +1,630+19.5% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 8,676 | $40.4K | 0.01% | +8,676 | New |
| Tower Research Capital LLC (TRC) | 8,574 | $40.0K | 0.00% | −9,837−53.4% | Reduced |
| Ameritas Investment Partners, Inc. | 8,175 | $38.1K | 0.00% | +1,915+30.6% | Added |
| Public Employees Retirement Association of Colorado | 7,914 | $37.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 7,785 | $36.0K | 0.00% | 00.0% | Unchanged |
| Point72 (DIFC) Ltd | 6,148 | $28.6K | 0.00% | +6,148 | New |
| CWM, LLC | 3,844 | $18.0K | 0.00% | +3,410+785.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,520 | $17.3K | 0.00% | +642+22.3% | Added |
| Amalgamated Bank | 2,540 | $12.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 2,000 | $9.32K | 0.00% | 00.0% | Unchanged |
| Carolinas Wealth Consulting LLC | 1,500 | $6.99K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 438 | $2.04K | 0.00% | +390+812.5% | Added |
| Federation des caisses Desjardins du Quebec | 415 | $1.93K | 0.00% | −40−8.8% | Reduced |
| Bryn Mawr Trust Co | 400 | $1.86K | 0.00% | +400 | New |
| Advisor Group Holdings, Inc. | 320 | $1.49K | 0.00% | −1,508−82.5% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 300 | $1.40K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 266 | $1.24K | 0.00% | +124+87.3% | Added |
| Capital Performance Advisors LLP | 243 | $1.13K | 0.00% | +243 | New |
| True Wealth Design, LLC | 241 | $1.12K | 0.00% | +241 | New |
| Quadrant Capital Group LLC | 233 | $1.09K | 0.00% | +233 | New |
| Lindbrook Capital, LLC | 217 | $1.01K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 277 | $1.00K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 200 | $932 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 140 | $652 | 0.00% | −278−66.5% | Reduced |
| Motco | 125 | $583 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 110 | $513 | 0.00% | +110 | New |
| SRS Capital Advisors, Inc. | 84 | $392 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 83 | $387 | 0.00% | +83 | New |
| The PNC Financial Services Group, Inc. | 56 | $261 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 50 | $233 | 0.00% | +50 | New |
| GWM Advisors LLC | 32 | $149 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 21 | $98 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 15 | $70 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 2 | $9 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 14 | $0 | 0.00% | −1−6.7% | Reduced |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −130,058−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −92,218−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −89,892−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −42,444−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −39,498−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −39,070−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −33,978−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −33,461−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −25,156−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −20,337−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −20,282−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −14,773−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −13,718−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −13,639−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −10,084−100.0% | Sold out |
| Texas Yale Capital Corp. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Gladius Capital Management LP | 0 | $0 | 0.00% | −6,402−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −673−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −572−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |
| Susquehanna Fundamental Investments, LLC | – | – | – | – | Not filed |