Fund shareholders of Alector Inc
ISIN US0144421072 · United States · LEI 549300Z8RQOIY1JMHC25
- Fund shareholders
- 132
- Of which ETFs
- 17 115 other funds
- Value held
- 40.3M $
- Share of capital
- 15.9 % of 111.7M shares on Jul 31, 2026
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| U.S. CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 3,463 | 8.2K $ | 0.00 % | as of Apr 30, 2026 ↗ | |
| SmallCap Value Fund II Principal Funds, Inc | 3,041 | 7.2K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| AZL DFA U.S. Core Equity Fund Allianz Variable Insurance Products Trust | 3,000 | 6.5K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| iShares Total U.S. Stock Market Index Fund BlackRock Funds | 2,986 | 7.1K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| VIP Total Market Index Portfolio Variable Insurance Products Fund II | 2,538 | 5.5K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Morgan Stanley Pathway Small-Mid Cap Equity ETF MORGAN STANLEY PATHWAY FUNDS | 2,467 | 6K $ | 0.00 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust | 2,403 | 5.8K $ | 0.00 % | 0.00 % | as of Feb 28, 2026 ↗ |
| State Street Total Return V.I.S. Fund STATE STREET VARIABLE INSURANCE SERIES FUNDS INC | 2,385 | 5.1K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Total Stock Market Index Trust John Hancock Variable Insurance Trust | 2,221 | 4.8K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| EQ/Common Stock Index Portfolio EQ Advisors Trust | 1,800 | 3.9K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| LVIP Dimensional U.S. Core Equity 2 Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 1,703 | 3.7K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| EQ/Franklin Small Cap Value Managed Volatility Portfolio EQ Advisors Trust | 1,679 | 3.6K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 1,562 | 3.4K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust | 1,556 | 3.3K $ | 0.00 % | as of Mar 31, 2026 ↗ | |
| TIAA Separate Account VA-1 - Stock Index Account TIAA Separate Account VA-1 | 1,504 | 3.2K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Penn Series Small Cap Index Fund Penn Series Funds Inc | 1,400 | 3K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| ULTRA SMALL CAP PROFUND ProFunds | 1,029 | 2.4K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Nuveen Life Stock Index Fund TIAA-CREF Life Funds | 1,021 | 2.2K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| State Street Balanced Index Fund STATE STREET INSTITUTIONAL INVESTMENT TRUST | 779 | 1.7K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| SmallCap Growth Fund I Principal Funds, Inc | 635 | 1.5K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 449 | 1.1K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Russell 2000 2x Strategy Fund Rydex Dynamic Funds | 349 | 750.4 $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| PROFUND VP ULTRA SMALL CAP ProFunds | 304 | 653.6 $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| PD Small-Cap Growth Index Portfolio PACIFIC SELECT FUND | 297 | 638.6 $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| PROFUND VP SMALL CAP ProFunds | 230 | 494.5 $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| SMALL-CAP PROFUND ProFunds | 166 | 393.4 $ | 0.01 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Russell 2000 Fund Rydex Series Funds | 162 | 348.3 $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Russell 2000 1.5x Strategy Fund Rydex Series Funds | 96 | 206.4 $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| ProShares Hedge Replication ETF ProShares Trust | 82 | 199.3 $ | 0.00 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Columbia Research Enhanced Small Cap ETF Columbia ETF Trust I | 82 | 176.3 $ | 0.01 % | 0.00 % | as of Mar 31, 2026 ↗ |
| ProShares Russell 2000 Dynamic Buffer ETF ProShares Trust | 23 | 55.9 $ | 0.01 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Russell 2000(R) 1.5x Strategy Fund Rydex Variable Trust | 18 | 38.7 $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Invesco NASDAQ Future Gen 200 ETF Invesco Exchange-Traded Fund Trust II | 0.86 % | as of Feb 28, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 0.25 % | as of Mar 31, 2026 ↗ |
| iShares Neuroscience and Healthcare ETF iShares Trust | 0.19 % | as of Apr 30, 2026 ↗ |
| NVIT Small Cap Value Fund Nationwide Variable Insurance Trust | 0.17 % | as of Mar 31, 2026 ↗ |
| Select Biotechnology Portfolio Fidelity Select Portfolios | 0.10 % | as of Feb 28, 2026 ↗ |
| SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 0.10 % | as of Mar 31, 2026 ↗ |
| NVIT Multi-Manager Small Company Fund Nationwide Variable Insurance Trust | 0.09 % | as of Mar 31, 2026 ↗ |
| PACE Small/Medium Co Growth Equity Investments PACE SELECT ADVISORS TRUST | 0.07 % | as of Apr 30, 2026 ↗ |
| Clearwater Select Equity Fund Clearwater Investment Trust | 0.07 % | as of Mar 31, 2026 ↗ |
| Multi-Manager Small Cap Equity Strategies Fund COLUMBIA FUNDS SERIES TRUST I | 0.06 % | as of Feb 28, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 132 | +2 | 17,786,654 | +5.7 % |
| 2026Q1 | 130 | -8 | 16,832,434 | -32.8 % |
| 2025Q4 | 138 | 0 | 25,039,541 | -9.0 % |
| 2025Q3 | 138 | -2 | 27,519,457 | +11.0 % |
| 2025Q2 | 140 | -11 | 24,797,068 | -1.0 % |
| 2025Q1 | 151 | -25 | 25,042,052 | -11.4 % |
| 2024Q4 | 176 | +1 | 28,248,743 | +5.9 % |
| 2024Q3 | 175 | -3 | 26,667,510 | -3.9 % |
| 2024Q2 | 178 | -2 | 27,762,635 | +9.6 % |
| 2024Q1 | 180 | -11 | 25,331,388 | +8.8 % |
| 2023Q4 | 191 | 23,282,525 |
Institutional managers
133 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| TCG Crossover Management, LLC | 10,000,000 | 21.5M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 7,741,245 | 16.6M $ | as of Mar 31, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | 4,038,785 | 8.7K $ | as of Mar 31, 2026 |
| Foresite Capital Management IV, LLC | 3,887,200 | 8.4M $ | as of Mar 31, 2026 |
| Merck & Co., Inc. | 3,545,719 | 7.6M $ | as of Mar 31, 2026 |
| D. E. Shaw & Co., Inc. | 3,332,835 | 7.2M $ | as of Mar 31, 2026 |
| 683 Capital Management, LLC | 3,200,000 | 6.9M $ | as of Mar 31, 2026 |
| Balyasny Asset Management L.P. | 2,935,253 | 6.3M $ | as of Mar 31, 2026 |
| Nantahala Capital Management, LLC | 2,815,983 | 6.1M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 2,286,218 | 4.9M $ | as of Mar 31, 2026 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 2,154,361 | 4.6M $ | as of Mar 31, 2026 |
| Spruce Street Capital LP | 2,101,068 | 4.5M $ | as of Mar 31, 2026 |
| Ikarian Capital, LLC | 2,082,606 | 4.5M $ | as of Mar 31, 2026 |
| Kynam Capital Management, LP | 2,000,000 | 4.3M $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 1,979,226 | 4.3M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 1,865,526 | 4M $ | as of Mar 31, 2026 |
| FMR LLC | 1,796,104 | 3.9M $ | as of Mar 31, 2026 |
| MEDICI CAPITAL LLC | 1,652,520 | 3.6M $ | as of Mar 31, 2026 |
| Eversept Partners, LP | 1,351,106 | 2.9M $ | as of Mar 31, 2026 |
| Euclidean Capital LLC | 1,307,858 | 2.8M $ | as of Mar 31, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | 1,287,691 | 2.8M $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 1,279,306 | 2.8M $ | as of Mar 31, 2026 |
| DEUTSCHE BANK AG\ | 1,092,903 | 2.3M $ | as of Mar 31, 2026 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 1,055,192 | 2.3M $ | as of Mar 31, 2026 |
| ADAR1 Capital Management, LLC | 1,050,000 | 2.3M $ | as of Mar 31, 2026 |
Declared shareholders of Alector Inc
There are 2 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| BlackRock, Inc. | 5.20 % | 5,784,214 | as of Mar 31, 2026 · SCHEDULE 13G |
| Polaris Venture Partners VI, L.P. and 10 others | 4.70 % | 5,173,499 | as of Mar 31, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Fund shareholders of Alector Inc". https://titelia.com/en/stocks/alector-inc-US0144421072