Fund shareholders of Alector Inc
ISIN US0144421072 · United States · LEI 549300Z8RQOIY1JMHC25
- Fund shareholders
- 126
- Of which ETFs
- 17 109 other funds
- Value held
- 35.7M $
- Share of capital
- 16.2 % of 111.7M shares on Jul 31, 2026
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 2,837,922 | 5.7M $ | 0.00 % | 2.54 % | as of Jun 30, 2026 ↗ |
| iShares Russell 2000 ETF iShares Trust | 2,548,224 | 5.1M $ | 0.01 % | 2.28 % | as of Jun 30, 2026 ↗ |
| Select Biotechnology Portfolio Fidelity Select Portfolios | 1,380,204 | 3M $ | 0.06 % | 1.24 % | as of May 31, 2026 ↗ |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 1,067,159 | 1.6M $ | 0.00 % | 0.96 % | as of Jul 31, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 1,033,776 | 2.1M $ | 0.00 % | 0.93 % | as of Jun 30, 2026 ↗ |
| iShares Russell 2000 Growth ETF iShares Trust | 820,921 | 1.7M $ | 0.01 % | 0.74 % | as of Jun 30, 2026 ↗ |
| VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND | 673,493 | 1M $ | 0.00 % | 0.60 % | as of Jul 31, 2026 ↗ |
| BlackRock Advantage Small Cap Core Fund BlackRock Funds | 635,411 | 1.4M $ | 0.03 % | 0.57 % | as of May 29, 2026 ↗ |
| VANGUARD STRATEGIC SMALL-CAP EQUITY FUND VANGUARD HORIZON FUNDS | 628,627 | 1.3M $ | 0.04 % | 0.56 % | as of Jun 30, 2026 ↗ |
| SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 615,923 | 1.2M $ | 0.07 % | 0.55 % | as of Jun 30, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 484,110 | 1M $ | 0.00 % | 0.43 % | as of May 31, 2026 ↗ |
| VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 468,899 | 1M $ | 0.01 % | 0.42 % | as of May 31, 2026 ↗ |
| Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST | 441,696 | 954.1K $ | 0.00 % | 0.40 % | as of May 31, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 330,159 | 663.6K $ | 0.04 % | 0.30 % | as of Jun 30, 2026 ↗ |
| Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST | 239,291 | 361.3K $ | 0.00 % | 0.21 % | as of Jul 31, 2026 ↗ |
| VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 229,241 | 495.2K $ | 0.00 % | 0.21 % | as of May 31, 2026 ↗ |
| Multi-Manager Small Cap Equity Strategies Fund COLUMBIA FUNDS SERIES TRUST I | 228,555 | 493.7K $ | 0.04 % | 0.20 % | as of May 31, 2026 ↗ |
| Master Small Cap Index Series Quantitative Master Series LLC | 195,896 | 393.8K $ | 0.01 % | 0.18 % | as of Jun 30, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 163,064 | 352.2K $ | 0.00 % | 0.15 % | as of May 31, 2026 ↗ |
| iShares Russell 2000 Value ETF iShares Trust | 161,266 | 324.1K $ | 0.00 % | 0.14 % | as of Jun 30, 2026 ↗ |
| Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust | 154,955 | 234K $ | 0.01 % | 0.14 % | as of Jul 31, 2026 ↗ |
| NVIT Multi-Manager Small Company Fund Nationwide Variable Insurance Trust | 149,514 | 300.5K $ | 0.07 % | 0.13 % | as of Jun 30, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 142,500 | 286.4K $ | 0.19 % | 0.13 % | as of Jun 30, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 139,461 | 301.2K $ | 0.00 % | 0.12 % | as of May 31, 2026 ↗ |
| Clearwater Select Equity Fund Clearwater Investment Trust | 137,679 | 276.7K $ | 0.05 % | 0.12 % | as of Jun 30, 2026 ↗ |
| NVIT Small Cap Value Fund Nationwide Variable Insurance Trust | 133,398 | 268.1K $ | 0.12 % | 0.12 % | as of Jun 30, 2026 ↗ |
| Nuveen Small Cap Blend Index Fund TIAA-CREF Funds | 129,532 | 195.6K $ | 0.00 % | 0.12 % | as of Jul 31, 2026 ↗ |
| EQ/2000 Managed Volatility Portfolio EQ Advisors Trust | 104,277 | 209.6K $ | 0.01 % | 0.09 % | as of Jun 30, 2026 ↗ |
| SMALL CAP EQUITY FUND GuideStone Funds | 95,409 | 191.8K $ | 0.02 % | 0.09 % | as of Jun 30, 2026 ↗ |
| Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 87,957 | 190K $ | 0.00 % | 0.08 % | as of May 31, 2026 ↗ |
| Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust | 81,599 | 164K $ | 0.01 % | 0.07 % | as of Jun 30, 2026 ↗ |
| PACE Small/Medium Co Growth Equity Investments PACE SELECT ADVISORS TRUST | 70,637 | 106.7K $ | 0.04 % | 0.06 % | as of Jul 31, 2026 ↗ |
| VANGUARD RUSSELL 2000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 64,157 | 138.6K $ | 0.01 % | 0.06 % | as of May 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 61,781 | 133.4K $ | 0.00 % | 0.06 % | as of May 31, 2026 ↗ |
| LVIP State Street Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 59,889 | 120.4K $ | 0.01 % | 0.05 % | as of Jun 30, 2026 ↗ |
| EQ/Small Company Index Portfolio EQ Advisors Trust | 57,570 | 115.7K $ | 0.01 % | 0.05 % | as of Jun 30, 2026 ↗ |
| Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST | 53,202 | 106.9K $ | 0.00 % | 0.05 % | as of Jun 30, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 52,271 | 105.1K $ | 0.00 % | 0.05 % | as of Jun 30, 2026 ↗ |
| Small Cap Index Fund Northern Funds | 51,120 | 102.8K $ | 0.01 % | 0.05 % | as of Jun 30, 2026 ↗ |
| Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 50,000 | 75.5K $ | 0.00 % | 0.04 % | as of Jul 31, 2026 ↗ |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 47,602 | 95.7K $ | 0.00 % | 0.04 % | as of Jun 30, 2026 ↗ |
| Global X Russell 2000 ETF GLOBAL X FUNDS | 46,882 | 70.8K $ | 0.00 % | 0.04 % | as of Jul 31, 2026 ↗ |
| Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 46,002 | 69.5K $ | 0.00 % | 0.04 % | as of Jul 31, 2026 ↗ |
| EQ/AB Small Cap Growth Portfolio EQ Advisors Trust | 44,880 | 90.2K $ | 0.00 % | 0.04 % | as of Jun 30, 2026 ↗ |
| Nuveen Equity Index Fund TIAA-CREF Funds | 42,752 | 64.6K $ | 0.00 % | 0.04 % | as of Jul 31, 2026 ↗ |
| Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust | 39,925 | 80.2K $ | 0.00 % | 0.04 % | as of Jun 30, 2026 ↗ |
| Small Cap Index Fund VALIC Co I | 39,565 | 85.5K $ | 0.01 % | 0.04 % | as of May 31, 2026 ↗ |
| Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 38,500 | 83.2K $ | 0.00 % | 0.03 % | as of May 31, 2026 ↗ |
| Goldman Sachs Small Cap Growth Insights Fund Goldman Sachs Trust | 38,173 | 57.6K $ | 0.02 % | 0.03 % | as of Jul 31, 2026 ↗ |
| MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 33,621 | 67.6K $ | 0.01 % | 0.03 % | as of Jun 30, 2026 ↗ |
| Small-Cap Index Portfolio PACIFIC SELECT FUND | 33,431 | 67.2K $ | 0.01 % | 0.03 % | as of Jun 30, 2026 ↗ |
| Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 32,930 | 49.7K $ | 0.00 % | 0.03 % | as of Jul 31, 2026 ↗ |
| Invesco NASDAQ Future Gen 200 ETF Invesco Exchange-Traded Fund Trust II | 31,622 | 68.3K $ | 0.36 % | 0.03 % | as of May 31, 2026 ↗ |
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 30,935 | 62.2K $ | 0.00 % | 0.03 % | as of Jun 30, 2026 ↗ |
| TIFF MULTI-ASSET FUND TIFF Multi-Asset Fund | 29,281 | 58.9K $ | 0.00 % | 0.03 % | as of Jun 30, 2026 ↗ |
| Diversified Equity Alpha Master Portfolio Master Investment Portfolio | 27,500 | 55.3K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 24,147 | 48.5K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 22,207 | 44.6K $ | 0.02 % | 0.02 % | as of Jun 30, 2026 ↗ |
| VANGUARD GROWTH AND INCOME FUND VANGUARD QUANTITATIVE FUNDS | 21,502 | 43.2K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
| NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 18,766 | 37.7K $ | 0.01 % | 0.02 % | as of Jun 30, 2026 ↗ |
| Small Cap Index Trust John Hancock Variable Insurance Trust | 17,125 | 34.4K $ | 0.01 % | 0.02 % | as of Jun 30, 2026 ↗ |
| iShares Russell 3000 ETF iShares Trust | 16,220 | 32.6K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 16,049 | 32.3K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| Fidelity Small Cap Value Index Fund Fidelity Salem Street Trust | 15,909 | 32K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 15,330 | 30.8K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 14,968 | 30.1K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 14,249 | 28.6K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 14,016 | 21.2K $ | 0.01 % | 0.01 % | as of Jul 31, 2026 ↗ |
| U.S. Small Cap Equity Fund RUSSELL INVESTMENT CO | 13,145 | 19.8K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 13,000 | 28.1K $ | 0.00 % | 0.01 % | as of May 31, 2026 ↗ |
| EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 12,826 | 25.8K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 12,600 | 25.3K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST | 12,087 | 18.3K $ | 0.01 % | 0.01 % | as of Jul 31, 2026 ↗ |
| Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund Goldman Sachs Variable Insurance Trust | 9,390 | 18.9K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| Victory Extended Market Index Fund Victory Portfolios III | 9,070 | 13.7K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| Nationwide Small Cap Index Fund Nationwide Mutual Funds | 8,494 | 12.8K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. | 8,175 | 16.4K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| PD Small-Cap Growth Index Portfolio PACIFIC SELECT FUND | 7,803 | 15.7K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 7,735 | 11.7K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC | 7,649 | 15.4K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 6,846 | 13.8K $ | 0.00 % | 0.01 % | as of Jun 30, 2026 ↗ |
| SmallCap Growth Fund I Principal Funds, Inc | 6,690 | 10.1K $ | 0.00 % | 0.01 % | as of Jul 31, 2026 ↗ |
| Venerable Small Cap Index Fund Venerable Variable Insurance Trust | 6,602 | 13.3K $ | 0.01 % | 0.01 % | as of Jun 30, 2026 ↗ |
| VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS | 6,129 | 13.2K $ | 0.00 % | 0.01 % | as of May 31, 2026 ↗ |
| PD Small-Cap Value Index Portfolio PACIFIC SELECT FUND | 5,468 | 11K $ | 0.01 % | 0.00 % | as of Jun 30, 2026 ↗ |
| Nationwide Fundamental All Cap Equity Portfolio Nationwide Mutual Funds | 5,343 | 8.1K $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 5,223 | 11.3K $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| iShares Neuroscience and Healthcare ETF iShares Trust | 4,762 | 7.2K $ | 0.13 % | 0.00 % | as of Jul 31, 2026 ↗ |
| EQ/Franklin Small Cap Value Managed Volatility Portfolio EQ Advisors Trust | 4,662 | 9.4K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| ProShares Russell 2000 High Income ETF ProShares Trust | 4,283 | 9.3K $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| Dimensional US Sustainability Core 1 ETF Dimensional ETF Trust | 3,867 | 5.8K $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| 1290 VT Small Cap Value Portfolio EQ Advisors Trust | 3,697 | 7.4K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| ProShares UltraPro Russell2000 ProShares Trust | 3,385 | 7.3K $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| ProShares Ultra Russell2000 ProShares Trust | 3,348 | 7.2K $ | 0.00 % | 0.00 % | as of May 31, 2026 ↗ |
| U.S. Small Cap Equity Fund RUSSELL INVESTMENT FUNDS | 3,260 | 6.6K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| Penn Series Small Cap Index Fund Penn Series Funds Inc | 3,000 | 6K $ | 0.01 % | 0.00 % | as of Jun 30, 2026 ↗ |
| AZL DFA U.S. Core Equity Fund Allianz Variable Insurance Products Trust | 3,000 | 6K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| iShares Total U.S. Stock Market Index Fund BlackRock Funds | 2,986 | 4.5K $ | 0.00 % | 0.00 % | as of Jul 31, 2026 ↗ |
| VIP Total Market Index Portfolio Variable Insurance Products Fund II | 2,538 | 5.1K $ | 0.00 % | 0.00 % | as of Jun 30, 2026 ↗ |
| Small-Cap Equity Portfolio PACIFIC SELECT FUND | 2,499 | 5K $ | 0.00 % | 0.00 % | as of Jun 30, 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 | 0.36 % | as of May 31, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 0.19 % | as of Jun 30, 2026 ↗ |
| iShares Neuroscience and Healthcare ETF iShares Trust | 0.13 % | as of Jul 31, 2026 ↗ |
| NVIT Small Cap Value Fund Nationwide Variable Insurance Trust | 0.12 % | as of Jun 30, 2026 ↗ |
| SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 0.07 % | as of Jun 30, 2026 ↗ |
| NVIT Multi-Manager Small Company Fund Nationwide Variable Insurance Trust | 0.07 % | as of Jun 30, 2026 ↗ |
| Select Biotechnology Portfolio Fidelity Select Portfolios | 0.06 % | as of May 31, 2026 ↗ |
| Fidelity Enhanced Small Cap Growth ETF Fidelity Covington Trust | 0.05 % | as of Jun 30, 2026 ↗ |
| Clearwater Select Equity Fund Clearwater Investment Trust | 0.05 % | as of Jun 30, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 0.04 % | as of Jun 30, 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 |
|---|---|---|---|---|
| 2026Q3 | 126 | -6 | 18,110,764 | +1.8 % |
| 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 is 1 beneficial ownership filing. 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 | |
|---|---|---|---|
| BIOTECHNOLOGY VALUE FUND L P and 9 others | 8.40 % | 9,374,267 | as of Sep 11, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Fund shareholders of Alector Inc". https://titelia.com/en/stocks/alector-inc-US0144421072