Funds holding Alnylam Pharmaceuticals Inc
756 funds declare a position · 211 ETFs and 545 other funds · 24.8B $· 1.4B SEK· 14.6M € · US02043Q1076
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | Growth Fund of America Growth Fund of America | 8,024,520 | 2.7B $ | 0.81 % | as of Feb 28, 2026 · Original filing |
| 2 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 4,215,761 | 1.4B $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 3 | AMCAP Fund AMCAP Fund | 3,744,659 | 1.2B $ | 1.33 % | as of Feb 28, 2026 · Original filing |
| 4 | VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 2,864,161 | 947.7M $ | 0.48 % | as of Mar 31, 2026 · Original filing |
| 5 | Invesco QQQ Trust, Series 1 Invesco QQQ Trust, Series 1 | 2,793,810 | 924.4M $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 6 | JPMorgan Large Cap Growth Fund JPMorgan Trust II | 2,036,592 | 673.8M $ | 0.63 % | as of Mar 31, 2026 · Original filing |
| 7 | Investment Co of America Investment Co of America | 1,947,787 | 644.5M $ | 0.39 % | as of Mar 31, 2026 · Original filing |
| 8 | T. Rowe Price Capital Appreciation Fund T. ROWE PRICE CAPITAL APPRECIATION FUND, INC. | 1,715,880 | 567.7M $ | 0.86 % | as of Mar 31, 2026 · Original filing |
| 9 | VANGUARD HEALTH CARE FUND VANGUARD SPECIALIZED FUNDS | 1,670,679 | 517.1M $ | 1.40 % | as of Apr 30, 2026 · Original filing |
| 10 | Fidelity OTC Portfolio Fidelity Securities Fund | 1,593,724 | 493.2M $ | 1.22 % | as of Apr 30, 2026 · Original filing |
| 11 | VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS | 1,565,234 | 517.9M $ | 0.16 % | as of Mar 31, 2026 · Original filing |
| 12 | VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 1,480,260 | 489.8M $ | 0.60 % | as of Mar 31, 2026 · Original filing |
| 13 | Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust | 1,300,974 | 433.1M $ | 0.53 % | as of Feb 28, 2026 · Original filing |
| 14 | Growth Fund AMERICAN FUNDS INSURANCE SERIES | 1,276,486 | 422.4M $ | 0.85 % | as of Mar 31, 2026 · Original filing |
| 15 | Dodge & Cox Stock Fund Dodge & Cox Funds | 1,233,200 | 408M $ | 0.36 % | as of Mar 31, 2026 · Original filing |
| 16 | Fidelity Contrafund Fidelity Contrafund | 1,202,994 | 398M $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 17 | T. Rowe Price Mid-Cap Growth Fund, Inc. T. ROWE PRICE MID-CAP GROWTH FUND, INC. | 1,166,560 | 386M $ | 1.71 % | as of Mar 31, 2026 · Original filing |
| 18 | New Perspective Fund New Perspective Fund | 1,020,320 | 337.6M $ | 0.22 % | as of Mar 31, 2026 · Original filing |
| 19 | VANGUARD MID-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 1,008,744 | 333.8M $ | 1.14 % | as of Mar 31, 2026 · Original filing |
| 20 | iShares Biotechnology ETF iShares Trust | 979,642 | 324.1M $ | 3.99 % | as of Mar 31, 2026 · Original filing |
| 21 | New Economy Fund New Economy Fund | 867,315 | 288.7M $ | 0.64 % | as of Feb 28, 2026 · Original filing |
| 22 | iShares Russell Mid-Cap Growth ETF iShares Trust | 850,606 | 281.4M $ | 1.51 % | as of Mar 31, 2026 · Original filing |
| 23 | Ultra Fund American Century Mutual Funds, Inc. | 747,000 | 231.2M $ | 0.87 % | as of Apr 30, 2026 · Original filing |
| 24 | JPMorgan Mid Cap Growth Fund JPMorgan Trust II | 700,981 | 231.9M $ | 2.03 % | as of Mar 31, 2026 · Original filing |
| 25 | Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 691,763 | 230.3M $ | 0.56 % | as of Feb 28, 2026 · Original filing |
| 26 | American Funds Fundamental Investors American Funds Fundamental Investors | 600,000 | 198.5M $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 27 | Fidelity Blue Chip Growth Fund Fidelity Securities Fund | 573,365 | 177.5M $ | 0.19 % | as of Apr 30, 2026 · Original filing |
| 28 | Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 569,120 | 189.5M $ | 0.09 % | as of Feb 28, 2026 · Original filing |
| 29 | Capital Group Growth ETF Capital Group Growth ETF | 557,684 | 185.7M $ | 0.92 % | as of Feb 28, 2026 · Original filing |
| 30 | VANGUARD U.S. GROWTH FUND VANGUARD WORLD FUND | 554,294 | 184.5M $ | 0.42 % | as of Feb 28, 2026 · Original filing |
| 31 | T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. | 531,894 | 176M $ | 1.62 % | as of Mar 31, 2026 · Original filing |
| 32 | iShares Russell 1000 Growth ETF iShares Trust | 511,131 | 169.1M $ | 0.15 % | as of Mar 31, 2026 · Original filing |
| 33 | Invesco American Franchise Fund AIM Counselor Series Trust (Invesco Counselor Series Trust) | 504,640 | 168M $ | 1.02 % | as of Feb 28, 2026 · Original filing |
| 34 | Invesco NASDAQ 100 ETF Invesco Exchange-Traded Fund Trust II | 502,493 | 167.3M $ | 0.24 % | as of Feb 28, 2026 · Original filing |
| 35 | Select Biotechnology Portfolio Fidelity Select Portfolios | 496,683 | 165.4M $ | 3.09 % | as of Feb 28, 2026 · Original filing |
| 36 | Fidelity Advisor Growth Opportunities Fund Fidelity Advisor Series I | 490,835 | 163.4M $ | 0.56 % | as of Feb 28, 2026 · Original filing |
| 37 | iShares Russell Mid-Cap ETF iShares Trust | 484,627 | 160.3M $ | 0.33 % | as of Mar 31, 2026 · Original filing |
| 38 | Fidelity Mid Cap Index Fund Fidelity Salem Street Trust | 469,553 | 145.3M $ | 0.29 % | as of Apr 30, 2026 · Original filing |
| 39 | JPMorgan Growth Advantage Fund J.P. Morgan Mutual Fund Investment Trust | 447,815 | 148.2M $ | 0.73 % | as of Mar 31, 2026 · Original filing |
| 40 | Heritage Fund American Century Mutual Funds, Inc. | 413,220 | 127.9M $ | 2.38 % | as of Apr 30, 2026 · Original filing |
| 41 | Asset Allocation Fund AMERICAN FUNDS INSURANCE SERIES | 405,917 | 134.3M $ | 0.51 % | as of Mar 31, 2026 · Original filing |
| 42 | VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 393,742 | 131.1M $ | 0.65 % | as of Feb 28, 2026 · Original filing |
| 43 | Fidelity Advisor New Insights Fund Fidelity Contrafund | 381,380 | 126.2M $ | 0.54 % | as of Mar 31, 2026 · Original filing |
| 44 | JNL/T. Rowe Price Capital Appreciation Fund JNL Series Trust | 380,807 | 126M $ | 0.91 % | as of Mar 31, 2026 · Original filing |
| 45 | Federated Hermes MDT Mid Cap Growth Fund Federated Hermes Equity Funds | 378,793 | 117.2M $ | 1.84 % | as of Apr 30, 2026 · Original filing |
| 46 | Fidelity Growth Company K6 Fund Fidelity Mt. Vernon Street Trust | 366,500 | 122M $ | 0.53 % | as of Feb 28, 2026 · Original filing |
| 47 | Select Health Care Portfolio Fidelity Select Portfolios | 340,000 | 113.2M $ | 1.83 % | as of Feb 28, 2026 · Original filing |
| 48 | Fidelity Advisor Biotechnology Fund Fidelity Advisor Series VII | 339,486 | 105.1M $ | 5.52 % | as of Apr 30, 2026 · Original filing |
| 49 | MFS Mid Cap Growth Fund MFS Series Trust IV | 331,878 | 110.5M $ | 0.80 % | as of Feb 28, 2026 · Original filing |
| 50 | Fidelity Series Growth Company Fund Fidelity Mt. Vernon Street Trust | 323,031 | 107.5M $ | 0.51 % | as of Feb 28, 2026 · Original filing |
| 51 | VIP Contrafund Portfolio Variable Insurance Products Fund II | 308,886 | 102.2M $ | 0.39 % | as of Mar 31, 2026 · Original filing |
| 52 | JPMorgan Nasdaq Equity Premium Income ETF J.P. Morgan Exchange-Traded Fund Trust | 295,318 | 97.7M $ | 0.29 % | as of Mar 31, 2026 · Original filing |
| 53 | American Funds Global Balanced Fund American Funds Global Balanced Fund | 269,513 | 83.4M $ | 0.26 % | as of Apr 30, 2026 · Original filing |
| 54 | State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR SERIES TRUST | 264,406 | 87.5M $ | 1.18 % | as of Mar 31, 2026 · Original filing |
| 55 | Fidelity Contrafund K6 Fidelity Contrafund | 261,731 | 86.6M $ | 0.26 % | as of Mar 31, 2026 · Original filing |
| 56 | Schwab U.S. Large-Cap Growth ETF SCHWAB STRATEGIC TRUST | 253,288 | 84.3M $ | 0.17 % | as of Feb 28, 2026 · Original filing |
| 57 | Carillon Eagle Mid Cap Growth Fund Carillon Series Trust | 251,940 | 83.4M $ | 1.75 % | as of Mar 31, 2026 · Original filing |
| 58 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 247,151 | 82.3M $ | 0.07 % | as of Feb 28, 2026 · Original filing |
| 59 | ClearBridge Growth Fund Legg Mason Partners Investment Trust | 228,800 | 76.2M $ | 1.81 % | as of Feb 27, 2026 · Original filing |
| 60 | Fidelity Advisor Health Care Fund Fidelity Advisor Series VII | 228,000 | 70.6M $ | 2.44 % | as of Apr 30, 2026 · Original filing |
| 61 | Fidelity Series Opportunistic Insights Fund Fidelity Contrafund | 226,759 | 75M $ | 0.56 % | as of Mar 31, 2026 · Original filing |
| 62 | iShares MSCI USA Min Vol Factor ETF iShares Trust | 226,246 | 70M $ | 0.31 % | as of Apr 30, 2026 · Original filing |
| 63 | VANGUARD RUSSELL 1000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS | 208,960 | 69.6M $ | 0.15 % | as of Feb 28, 2026 · Original filing |
| 64 | JNL/T. Rowe Price Mid-Cap Growth Fund JNL Series Trust | 208,210 | 68.9M $ | 1.72 % | as of Mar 31, 2026 · Original filing |
| 65 | BlackRock Health Sciences Opportunities Portfolio BlackRock Funds | 207,149 | 69M $ | 1.06 % | as of Feb 27, 2026 · Original filing |
| 66 | First Trust NYSE Arca Biotechnology Index Fund First Trust Exchange-Traded Fund | 202,492 | 67M $ | 2.95 % | as of Mar 31, 2026 · Original filing |
| 67 | AP7 Aktiefond Sjunde AP-fonden | 200,888 | 633.2M SEK | 0.05 % | as of Mar 31, 2026 · Original filing |
| 68 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 195,478 | 65.1M $ | 0.07 % | as of Feb 28, 2026 · Original filing |
| 69 | JNL/JPMorgan MidCap Growth Fund JNL Series Trust | 192,788 | 63.8M $ | 2.05 % | as of Mar 31, 2026 · Original filing |
| 70 | Fundamental Large Cap Core Fund John Hancock Investment Trust | 191,527 | 59.3M $ | 0.94 % | as of Apr 30, 2026 · Original filing |
| 71 | T. Rowe Price Diversified Mid-Cap Growth Fund, Inc. T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. | 188,814 | 62.5M $ | 1.47 % | as of Mar 31, 2026 · Original filing |
| 72 | Fidelity Advisor Equity Growth Fund Fidelity Advisor Series I | 187,899 | 62.6M $ | 0.52 % | as of Feb 28, 2026 · Original filing |
| 73 | T. Rowe Price New Horizons Fund, Inc. T. ROWE PRICE NEW HORIZONS FUND, INC. | 185,329 | 61.3M $ | 0.48 % | as of Mar 31, 2026 · Original filing |
| 74 | Fidelity Large Cap Growth Index Fund Fidelity Salem Street Trust | 180,268 | 55.8M $ | 0.13 % | as of Apr 30, 2026 · Original filing |
| 75 | VY(R) T. ROWE PRICE CAPITAL APPRECIATION PORTFOLIO Voya Investors Trust | 174,532 | 57.7M $ | 0.88 % | as of Mar 31, 2026 · Original filing |
| 76 | VIP Growth Portfolio Variable Insurance Products Fund | 173,424 | 57.4M $ | 0.54 % | as of Mar 31, 2026 · Original filing |
| 77 | JPMorgan Active Growth ETF J.P. Morgan Exchange-Traded Fund Trust | 168,491 | 55.7M $ | 0.68 % | as of Mar 31, 2026 · Original filing |
| 78 | iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 166,375 | 55M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 79 | Dodge & Cox Global Stock Fund Dodge & Cox Funds | 161,841 | 53.5M $ | 0.45 % | as of Mar 31, 2026 · Original filing |
| 80 | Fidelity Series Large Cap Stock Fund Fidelity Hastings Street Trust | 158,850 | 52.6M $ | 0.21 % | as of Mar 31, 2026 · Original filing |
| 81 | Franklin Small-Mid Cap Growth Fund Franklin Strategic Series | 158,320 | 49M $ | 1.39 % | as of Apr 30, 2026 · Original filing |
| 82 | VANGUARD LARGE-CAP INDEX FUND VANGUARD INDEX FUNDS | 155,683 | 51.5M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 83 | Fidelity Mid Cap Growth Index Fund Fidelity Salem Street Trust | 154,835 | 51.2M $ | 1.50 % | as of Mar 31, 2026 · Original filing |
| 84 | Nomura Mid Cap Growth Fund IVY FUNDS | 153,221 | 50.7M $ | 1.69 % | as of Mar 31, 2026 · Original filing |
| 85 | Fidelity Enhanced Mid Cap ETF Fidelity Covington Trust | 153,038 | 50.6M $ | 0.86 % | as of Mar 31, 2026 · Original filing |
| 86 | Fidelity Growth Strategies Fund Fidelity Mt. Vernon Street Trust | 150,480 | 50.1M $ | 1.22 % | as of Feb 28, 2026 · Original filing |
| 87 | T. Rowe Price Capital Appreciation Equity ETF T. Rowe Price Exchange-Traded Funds, Inc. | 149,404 | 49.4M $ | 0.79 % | as of Mar 31, 2026 · Original filing |
| 88 | Focused Dynamic Growth Fund American Century Growth Funds, Inc. | 144,066 | 44.6M $ | 2.10 % | as of Apr 30, 2026 · Original filing |
| 89 | T. Rowe Price Institutional Mid-Cap Equity Growth Fund T. Rowe Price Equity Funds, Inc. | 140,182 | 46.4M $ | 1.68 % | as of Mar 31, 2026 · Original filing |
| 90 | SMALLCAP World Fund Inc SMALLCAP World Fund Inc | 137,700 | 45.6M $ | 0.06 % | as of Mar 31, 2026 · Original filing |
| 91 | Schwab U.S. Large-Cap ETF SCHWAB STRATEGIC TRUST | 135,617 | 45.1M $ | 0.07 % | as of Feb 28, 2026 · Original filing |
| 92 | Fidelity OTC K6 Portfolio Fidelity Securities Fund | 133,812 | 41.4M $ | 1.25 % | as of Apr 30, 2026 · Original filing |
| 93 | Fidelity Blue Chip Growth K6 Fund Fidelity Securities Fund | 132,122 | 40.9M $ | 0.21 % | as of Apr 30, 2026 · Original filing |
| 94 | ClearBridge Value Fund Legg Mason Global Asset Management Trust | 125,000 | 38.7M $ | 0.93 % | as of Apr 30, 2026 · Original filing |
| 95 | MassMutual Mid Cap Growth Fund MASSMUTUAL SELECT FUNDS | 121,989 | 40.4M $ | 1.47 % | as of Mar 31, 2026 · Original filing |
| 96 | Penn Series Flexibly Managed Fund Penn Series Funds Inc | 121,600 | 40.2M $ | 0.87 % | as of Mar 31, 2026 · Original filing |
| 97 | ProShares UltraPro QQQ ProShares Trust | 113,590 | 37.8M $ | 0.14 % | as of Feb 28, 2026 · Original filing |
| 98 | Nuveen Equity Index Fund TIAA-CREF Funds | 105,104 | 32.5M $ | 0.06 % | as of Apr 30, 2026 · Original filing |
| 99 | VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS | 103,095 | 31.9M $ | 0.04 % | as of Apr 30, 2026 · Original filing |
| 100 | First Trust Nasdaq-100 Select Equal Weight ETF First Trust Exchange-Traded Fund | 102,576 | 33.9M $ | 2.16 % | as of Mar 31, 2026 · Original filing |
Institutional managers
775 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 | 14,579,166 | 4.8B $ | as of Mar 31, 2026 |
| Capital World Investors | 10,802,348 | 3.6B $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 10,444,908 | 3.5B $ | as of Mar 31, 2026 |
| Capital Research Global Investors | 9,471,181 | 3.1B $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 6,323,752 | 2B $ | as of Mar 31, 2026 |
| STATE STREET CORP | 3,322,698 | 1.1B $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 2,660,385 | 884.6M $ | as of Mar 31, 2026 |
| BAILLIE GIFFORD & CO | 2,493,866 | 825.1M $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 1,992,577 | 659.3M $ | as of Mar 31, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | 1,935,925 | 640.5M $ | as of Mar 31, 2026 |
| Dodge & Cox | 1,929,253 | 638.3M $ | as of Mar 31, 2026 |
| AMERICAN CENTURY COMPANIES INC | 1,802,363 | 596.3M $ | as of Mar 31, 2026 |
| Clearbridge Investments, LLC | 1,356,036 | 448.7M $ | as of Mar 31, 2026 |
| Orbis Allan Gray Ltd | 1,334,825 | 441.7M $ | as of Mar 31, 2026 |
| Invesco Ltd. | 1,291,726 | 427.4M $ | as of Mar 31, 2026 |
| MARSHALL WACE, LLP | 1,099,318 | 363.7M $ | as of Mar 31, 2026 |
| D. E. Shaw & Co., Inc. | 1,059,062 | 350.4M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 1,002,681 | 331.8M $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 966,912 | 319.9M $ | as of Mar 31, 2026 |
| Legal & General Group Plc | 934,881 | 309.3M $ | as of Mar 31, 2026 |
| AQR CAPITAL MANAGEMENT LLC | 913,104 | 297.9M $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 858,120 | 283.9M $ | as of Mar 31, 2026 |
| Qube Research & Technologies Ltd | 838,187 | 277.3M $ | as of Mar 31, 2026 |
| ROYAL BANK OF CANADA | 791,515 | 261.9M $ | as of Mar 31, 2026 |
| DEUTSCHE BANK AG\ | 761,464 | 251.9M $ | as of Mar 31, 2026 |