Funds holding Amylyx Pharmaceuticals Inc
191 funds declare a position · 46 ETFs and 145 other funds · 529.4M $ · US03237H1014
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 3,103,915 | 43.1M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 2 | Fidelity Advisor Biotechnology Fund Fidelity Advisor Series VII | 2,433,200 | 38.9M $ | 2.05 % | as of Apr 30, 2026 · Original filing |
| 3 | iShares Russell 2000 ETF iShares Trust | 2,228,876 | 31M $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 4 | Fidelity Small Cap Growth Fund Fidelity Securities Fund | 2,115,961 | 33.9M $ | 0.40 % | as of Apr 30, 2026 · Original filing |
| 5 | Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST | 1,512,444 | 21M $ | 1.32 % | as of Mar 31, 2026 · Original filing |
| 6 | Select Health Care Portfolio Fidelity Select Portfolios | 1,420,000 | 21.5M $ | 0.35 % | as of Feb 28, 2026 · Original filing |
| 7 | Fidelity Stock Selector Small Cap Fund Fidelity Capital Trust | 1,248,783 | 20M $ | 0.29 % | as of Apr 30, 2026 · Original filing |
| 8 | Select Biotechnology Portfolio Fidelity Select Portfolios | 1,219,575 | 18.5M $ | 0.35 % | as of Feb 28, 2026 · Original filing |
| 9 | Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 1,138,109 | 17.3M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 10 | Fidelity Small Cap Growth K6 Fund Fidelity Securities Fund | 1,053,389 | 16.9M $ | 0.39 % | as of Apr 30, 2026 · Original filing |
| 11 | Fidelity Series Small Cap Opportunities Fund Fidelity Securities Fund | 1,001,027 | 16M $ | 0.32 % | as of Apr 30, 2026 · Original filing |
| 12 | VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 931,606 | 12.9M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 13 | Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 904,346 | 14.5M $ | 0.04 % | as of Apr 30, 2026 · Original filing |
| 14 | Fidelity Balanced Fund Fidelity Puritan Trust | 879,837 | 13.3M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 15 | Franklin Small Cap Growth Fund Franklin Strategic Series | 751,245 | 12M $ | 0.49 % | as of Apr 30, 2026 · Original filing |
| 16 | Fidelity Advisor Health Care Fund Fidelity Advisor Series VII | 715,000 | 11.4M $ | 0.40 % | as of Apr 30, 2026 · Original filing |
| 17 | iShares Biotechnology ETF iShares Trust | 687,536 | 9.6M $ | 0.12 % | as of Mar 31, 2026 · Original filing |
| 18 | Franklin Biotechnology Discovery Fund Franklin Strategic Series | 649,259 | 10.4M $ | 1.00 % | as of Apr 30, 2026 · Original filing |
| 19 | iShares Russell 2000 Growth ETF iShares Trust | 573,250 | 8M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 20 | Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 449,339 | 6.8M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 21 | VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 439,569 | 6.7M $ | 0.04 % | as of Feb 28, 2026 · Original filing |
| 22 | Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST | 409,474 | 6.2M $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 23 | State Street(R) SPDR(R) S&P(R) Pharmaceuticals ETF SPDR SERIES TRUST | 395,413 | 5.5M $ | 1.79 % | as of Mar 31, 2026 · Original filing |
| 24 | Fidelity U.S. Equity Central Fund Fidelity Central Investment Portfolios LLC | 380,000 | 5.3M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 25 | Fidelity Small Cap Value Fund Fidelity Securities Fund | 360,000 | 5.8M $ | 0.11 % | as of Apr 30, 2026 · Original filing |
| 26 | Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust | 341,806 | 5.2M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 27 | BlackRock Advantage Small Cap Core Fund BlackRock Funds | 311,027 | 4.7M $ | 0.10 % | as of Feb 27, 2026 · Original filing |
| 28 | VIP Health Care Portfolio Variable Insurance Products Fund IV | 260,000 | 3.6M $ | 0.36 % | as of Mar 31, 2026 · Original filing |
| 29 | Select Pharmaceuticals Portfolio Fidelity Select Portfolios | 257,800 | 3.9M $ | 0.26 % | as of Feb 28, 2026 · Original filing |
| 30 | VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 246,541 | 3.7M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 31 | U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 245,512 | 3.9M $ | 0.05 % | as of Apr 30, 2026 · Original filing |
| 32 | Driehaus Micro Cap Growth Fund Driehaus Mutual Funds | 235,187 | 3.3M $ | 0.71 % | as of Mar 31, 2026 · Original filing |
| 33 | iShares U.S. Pharmaceuticals ETF iShares Trust | 233,280 | 3.2M $ | 0.32 % | as of Mar 31, 2026 · Original filing |
| 34 | iShares Micro-Cap ETF iShares Trust | 230,265 | 3.2M $ | 0.26 % | as of Mar 31, 2026 · Original filing |
| 35 | Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust | 209,936 | 2.9M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 36 | U.S. SMALL CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 200,789 | 3.2M $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 37 | Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST | 200,713 | 3.2M $ | 0.04 % | as of Apr 30, 2026 · Original filing |
| 38 | iShares Russell 2000 Value ETF iShares Trust | 180,045 | 2.5M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 39 | VANGUARD U.S. MOMENTUM FACTOR ETF VANGUARD WELLINGTON FUND | 173,652 | 2.6M $ | 0.19 % | as of Feb 28, 2026 · Original filing |
| 40 | Fidelity Small Cap Discovery Fund Fidelity Concord Street Trust | 172,077 | 2.8M $ | 0.12 % | as of Apr 30, 2026 · Original filing |
| 41 | First Trust Small Cap Growth AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund | 168,022 | 2.7M $ | 0.26 % | as of Apr 30, 2026 · Original filing |
| 42 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 152,717 | 2.3M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 43 | Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 150,411 | 2.4M $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 44 | Master Small Cap Index Series Quantitative Master Series LLC | 143,586 | 2M $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 45 | Fidelity Series Small Cap Discovery Fund Fidelity Concord Street Trust | 136,730 | 2.2M $ | 0.11 % | as of Apr 30, 2026 · Original filing |
| 46 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 128,044 | 1.9M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 47 | Fidelity Series All-Sector Equity Fund Fidelity Devonshire Trust | 123,100 | 2M $ | 0.04 % | as of Apr 30, 2026 · Original filing |
| 48 | VIP Balanced Portfolio Variable Insurance Products Fund III | 118,600 | 1.6M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 49 | Adara Smaller Companies Fund RBB Fund, Inc. | 113,350 | 1.7M $ | 0.23 % | as of Feb 28, 2026 · Original filing |
| 50 | iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 112,023 | 1.6M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 51 | Nuveen Small Cap Blend Index Fund TIAA-CREF Funds | 107,487 | 1.7M $ | 0.04 % | as of Apr 30, 2026 · Original filing |
| 52 | Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust | 106,446 | 1.7M $ | 0.06 % | as of Apr 30, 2026 · Original filing |
| 53 | Fidelity Growth Company K6 Fund Fidelity Mt. Vernon Street Trust | 98,050 | 1.5M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 54 | ALPS Medical Breakthroughs ETF ALPS ETF TRUST | 97,879 | 1.5M $ | 1.08 % | as of Feb 28, 2026 · Original filing |
| 55 | EQ/2000 Managed Volatility Portfolio EQ Advisors Trust | 95,730 | 1.3M $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 56 | Federated Hermes MDT Small Cap Growth Fund Federated Hermes MDT Series | 88,859 | 1.4M $ | 0.19 % | as of Apr 30, 2026 · Original filing |
| 57 | iShares ESG Aware MSCI USA Small-Cap ETF iShares Trust | 87,599 | 1.3M $ | 0.06 % | as of Feb 28, 2026 · Original filing |
| 58 | Fidelity Series Growth Company Fund Fidelity Mt. Vernon Street Trust | 86,700 | 1.3M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 59 | Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 84,041 | 1.3M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 60 | Fidelity Fundamental Small-Mid Cap ETF Fidelity Covington Trust | 82,935 | 1.3M $ | 0.10 % | as of Apr 30, 2026 · Original filing |
| 61 | VIP Stock Selector Portfolio Variable Insurance Products Fund | 80,000 | 1.1M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 62 | iShares U.S. Small-Cap Equity Factor ETF iShares Trust | 78,136 | 1.3M $ | 0.03 % | as of Apr 30, 2026 · Original filing |
| 63 | Nuveen ESG Small-Cap ETF NuShares ETF Trust | 69,649 | 1.1M $ | 0.09 % | as of Apr 30, 2026 · Original filing |
| 64 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 67,257 | 1M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 65 | Nuveen Equity Index Fund TIAA-CREF Funds | 65,609 | 1M $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 66 | VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND | 64,632 | 1M $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 67 | VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS | 63,001 | 955.7K $ | 0.07 % | as of Feb 28, 2026 · Original filing |
| 68 | LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 58,400 | 811.8K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 69 | Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 58,304 | 884.5K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 70 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 56,778 | 789.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 71 | JPMorgan Small Cap Value Fund JPMorgan Trust II | 54,714 | 760.5K $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 72 | Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 54,057 | 864.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 73 | Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust | 53,791 | 747.7K $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 74 | Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 50,499 | 808K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 75 | First Trust Small Cap Core AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund | 49,811 | 797K $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 76 | VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 48,756 | 677.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 77 | Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF Goldman Sachs ETF Trust | 47,360 | 718.5K $ | 0.08 % | as of Feb 28, 2026 · Original filing |
| 78 | Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust | 43,820 | 664.7K $ | 0.09 % | as of Feb 28, 2026 · Original filing |
| 79 | Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 42,538 | 680.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 80 | Small Cap Index Fund Northern Funds | 41,491 | 576.7K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 81 | Diversified Equity Master Portfolio Master Investment Portfolio | 40,398 | 561.5K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 82 | Global X Russell 2000 ETF GLOBAL X FUNDS | 39,313 | 629K $ | 0.04 % | as of Apr 30, 2026 · Original filing |
| 83 | Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust | 39,184 | 594.4K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 84 | EQ/Small Company Index Portfolio EQ Advisors Trust | 39,000 | 542.1K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 85 | BlackRock Advantage Small Cap Growth Fund BlackRock Funds | 38,320 | 532.6K $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 86 | Small Cap Index Fund VALIC Co I | 34,949 | 530.2K $ | 0.04 % | as of Feb 28, 2026 · Original filing |
| 87 | EQ/Fidelity Institutional AM Large Cap Portfolio EQ Advisors Trust | 33,243 | 462.1K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 88 | Optimize Strategy Index ETF Advisor Managed Portfolios | 32,001 | 444.8K $ | 0.21 % | as of Mar 31, 2026 · Original filing |
| 89 | STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 31,200 | 433.7K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 90 | Fidelity Balanced K6 Fund Fidelity Puritan Trust | 31,064 | 471.2K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 91 | JPMorgan BetaBuilders U.S. Small Cap Equity ETF J.P. Morgan Exchange-Traded Fund Trust | 30,496 | 487.9K $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 92 | Fidelity MSCI Health Care Index ETF FIDELITY COVINGTON TRUST | 30,218 | 483.5K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 93 | Federated Hermes MDT Small Cap Core ETF Federated Hermes ETF Trust | 30,048 | 455.8K $ | 0.30 % | as of Feb 28, 2026 · Original filing |
| 94 | MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 29,276 | 406.9K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 95 | Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 29,274 | 468.4K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 96 | U.S. CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 27,931 | 446.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 97 | ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 26,577 | 369.4K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 98 | Fidelity Small Cap Value Index Fund Fidelity Salem Street Trust | 25,757 | 358K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 99 | T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 25,000 | 347.5K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 100 | iShares Morningstar Small-Cap Growth ETF iShares Trust | 24,966 | 399.5K $ | 0.04 % | as of Apr 30, 2026 · Original filing |
Institutional managers
164 managers declare this company to the SEC (Form 13F). These positions are not counted in the totals above: a manager and its own funds file separately.
| Manager | Shares | Value | |
|---|---|---|---|
| FMR LLC | 16,630,541 | 231.2M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 8,828,836 | 122.7M $ | as of Mar 31, 2026 |
| PERCEPTIVE ADVISORS LLC | 8,284,882 | 115.2M $ | as of Mar 31, 2026 |
| TCG Crossover Management, LLC | 6,243,812 | 86.8M $ | as of Mar 31, 2026 |
| Commodore Capital LP | 5,650,000 | 78.5M $ | as of Mar 31, 2026 |
| JANUS HENDERSON GROUP PLC | 4,986,073 | 69.3M $ | as of Mar 31, 2026 |
| Saturn V Capital Management LP | 4,349,885 | 60.5M $ | as of Mar 31, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 3,560,764 | 49.5M $ | as of Mar 31, 2026 |
| First Light Asset Management, LLC | 3,190,645 | 44.3M $ | as of Mar 31, 2026 |
| Driehaus Capital Management LLC | 2,987,147 | 41.5M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 2,625,991 | 36.5M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 2,363,161 | 32.8M $ | as of Mar 31, 2026 |
| FRANKLIN RESOURCES INC | 2,261,569 | 31.4M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 2,210,932 | 30.7M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 2,175,547 | 30.2M $ | as of Mar 31, 2026 |
| Almitas Capital LLC | 2,122,597 | 29.5M $ | as of Mar 31, 2026 |
| GREAT POINT PARTNERS LLC | 1,750,000 | 24.3M $ | as of Mar 31, 2026 |
| Jones Hill Capital LP | 1,598,794 | 22.2M $ | as of Mar 31, 2026 |
| 683 Capital Management, LLC | 1,530,000 | 21.3M $ | as of Mar 31, 2026 |
| EVENTIDE ASSET MANAGEMENT, LLC | 1,513,958 | 21M $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 1,330,689 | 18.5M $ | as of Mar 31, 2026 |
| DEUTSCHE BANK AG\ | 1,267,785 | 17.6M $ | as of Mar 31, 2026 |
| Siren, L.L.C. | 1,230,000 | 17.1M $ | as of Mar 31, 2026 |
| Balyasny Asset Management L.P. | 1,107,271 | 15.4M $ | as of Mar 31, 2026 |
| ADAR1 Capital Management, LLC | 1,000,604 | 13.9M $ | as of Mar 31, 2026 |