Funds holding Sionna Therapeutics Inc
127 funds declare a position · 30 ETFs and 97 other funds · 234.6M $ · US8294011080
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 842,941 | 33.8M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 2 | PGIM Jennison Health Sciences Fund Prudential Sector Funds, Inc. | 651,048 | 23.8M $ | 1.63 % | as of Feb 27, 2026 · Original filing |
| 3 | Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST | 644,524 | 25.8M $ | 1.63 % | as of Mar 31, 2026 · Original filing |
| 4 | JPMorgan Small Cap Growth Fund JPMorgan Trust II | 551,829 | 22.1M $ | 1.02 % | as of Mar 31, 2026 · Original filing |
| 5 | T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. | 547,443 | 21.9M $ | 0.20 % | as of Mar 31, 2026 · Original filing |
| 6 | State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR SERIES TRUST | 416,630 | 16.7M $ | 0.22 % | as of Mar 31, 2026 · Original filing |
| 7 | iShares Russell 2000 ETF iShares Trust | 399,869 | 16M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 8 | iShares Biotechnology ETF iShares Trust | 185,101 | 7.4M $ | 0.09 % | as of Mar 31, 2026 · Original filing |
| 9 | JPMorgan Small Cap Blend Fund JPMorgan Trust I | 178,151 | 7.1M $ | 0.50 % | as of Mar 31, 2026 · Original filing |
| 10 | Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 160,740 | 6.2M $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 11 | VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 159,505 | 6.4M $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 12 | iShares Russell 2000 Growth ETF iShares Trust | 131,978 | 5.3M $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 13 | Multi-Manager Small Cap Equity Strategies Fund COLUMBIA FUNDS SERIES TRUST I | 81,950 | 3M $ | 0.24 % | as of Feb 28, 2026 · Original filing |
| 14 | VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 79,578 | 2.9M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 15 | Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 75,115 | 2.7M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 16 | Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST | 68,310 | 2.5M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 17 | Franklin Biotechnology Discovery Fund Franklin Strategic Series | 60,891 | 2.4M $ | 0.23 % | as of Apr 30, 2026 · Original filing |
| 18 | iShares Micro-Cap ETF iShares Trust | 40,927 | 1.6M $ | 0.14 % | as of Mar 31, 2026 · Original filing |
| 19 | ALPS Medical Breakthroughs ETF ALPS ETF TRUST | 39,776 | 1.5M $ | 1.05 % | as of Feb 28, 2026 · Original filing |
| 20 | Invesco Dorsey Wright SmallCap Momentum ETF Invesco Exchange-Traded Fund Trust II | 37,789 | 1.4M $ | 0.36 % | as of Feb 28, 2026 · Original filing |
| 21 | VANGUARD U.S. MOMENTUM FACTOR ETF VANGUARD WELLINGTON FUND | 37,762 | 1.4M $ | 0.10 % | as of Feb 28, 2026 · Original filing |
| 22 | T. Rowe Price Health Sciences Portfolio T. ROWE PRICE EQUITY SERIES, INC. | 35,707 | 1.4M $ | 0.22 % | as of Mar 31, 2026 · Original filing |
| 23 | Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST | 35,618 | 1.4M $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 24 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 27,764 | 1M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 25 | Master Small Cap Index Series Quantitative Master Series LLC | 27,162 | 1.1M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 26 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 26,184 | 956.8K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 27 | Direxion Daily S&P Biotech Bull 3X Shares Direxion Shares ETF Trust | 23,827 | 922.1K $ | 0.18 % | as of Apr 30, 2026 · Original filing |
| 28 | iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 20,992 | 841.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 29 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 20,741 | 757.9K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 30 | Nuveen Small Cap Blend Index Fund TIAA-CREF Funds | 19,432 | 752K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 31 | EQ/2000 Managed Volatility Portfolio EQ Advisors Trust | 17,243 | 691.3K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 32 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 14,944 | 599.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 33 | VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS | 14,694 | 536.9K $ | 0.04 % | as of Feb 28, 2026 · Original filing |
| 34 | Tax-Managed U.S. Mid & Small Cap Fund RUSSELL INVESTMENT CO | 14,503 | 561.3K $ | 0.03 % | as of Apr 30, 2026 · Original filing |
| 35 | Health Sciences Trust John Hancock Variable Insurance Trust | 14,085 | 564.7K $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 36 | Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust | 13,621 | 497.7K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 37 | Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust | 12,342 | 494.8K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 38 | VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 12,011 | 481.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 39 | LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 10,500 | 420.9K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 40 | EQ/T.Rowe Price Health Sciences Portfolio EQ Advisors Trust | 9,555 | 383.1K $ | 0.24 % | as of Mar 31, 2026 · Original filing |
| 41 | Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 8,762 | 339.1K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 42 | EQ/Small Company Index Portfolio EQ Advisors Trust | 8,750 | 350.8K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 43 | U.S. Small Cap Equity Fund RUSSELL INVESTMENT CO | 8,456 | 327.2K $ | 0.03 % | as of Apr 30, 2026 · Original filing |
| 44 | LVIP Franklin Templeton Multi-Factor SMID Cap Equity Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 8,261 | 331.2K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 45 | Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 7,386 | 269.9K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 46 | BIOTECHNOLOGY ULTRASECTOR PROFUND ProFunds | 7,374 | 285.4K $ | 0.16 % | as of Apr 30, 2026 · Original filing |
| 47 | Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 7,367 | 285.1K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 48 | Small Cap Index Fund Northern Funds | 7,172 | 287.5K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 49 | Global X Russell 2000 ETF GLOBAL X FUNDS | 7,105 | 275K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 50 | Virtus Biotech Clinical Trials Etf ETFis Series Trust I | 6,453 | 249.7K $ | 0.67 % | as of Apr 30, 2026 · Original filing |
| 51 | Small Cap Index Fund VALIC Co I | 6,453 | 235.8K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 52 | STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 5,700 | 228.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 53 | EQ/AB Small Cap Growth Portfolio EQ Advisors Trust | 5,150 | 206.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 54 | Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 4,971 | 192.4K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 55 | MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 4,849 | 194.4K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 56 | AlphaCentric Life Sciences and Healthcare Fund MUTUAL FUND SERIES TRUST | 4,818 | 193.2K $ | 0.49 % | as of Mar 31, 2026 · Original filing |
| 57 | ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 4,732 | 189.7K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 58 | JPMorgan BetaBuilders U.S. Small Cap Equity ETF J.P. Morgan Exchange-Traded Fund Trust | 4,592 | 177.7K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 59 | T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 4,438 | 177.9K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 60 | Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 4,425 | 177.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 61 | iShares Russell 3000 ETF iShares Trust | 4,296 | 172.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 62 | Small-Cap Index Portfolio PACIFIC SELECT FUND | 4,148 | 166.3K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 63 | NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 3,174 | 127.2K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 64 | Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust | 3,064 | 122.8K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 65 | SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 3,000 | 109.6K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 66 | Small Cap Index Trust John Hancock Variable Insurance Trust | 2,964 | 118.8K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 67 | 1290 VT Micro Cap Portfolio EQ Advisors Trust | 2,925 | 117.3K $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 68 | Victory Extended Market Index Fund Victory Portfolios III | 2,867 | 111K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 69 | iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 2,687 | 104K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 70 | Invesco Nasdaq Biotechnology ETF Invesco Exchange-Traded Fund Trust II | 2,514 | 91.9K $ | 0.12 % | as of Feb 28, 2026 · Original filing |
| 71 | U.S. Small Cap Equity Fund RUSSELL INVESTMENT FUNDS | 2,348 | 94.1K $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 72 | PROFUND VP BIOTECHNOLOGY ProFunds | 2,275 | 91.2K $ | 0.22 % | as of Mar 31, 2026 · Original filing |
| 73 | DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 2,273 | 91.1K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 74 | EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 2,180 | 87.4K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 75 | Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 2,157 | 83.5K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 76 | ProShares Ultra Nasdaq Biotechnology ProShares Trust | 2,061 | 75.3K $ | 0.08 % | as of Feb 28, 2026 · Original filing |
| 77 | BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 1,980 | 79.4K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 78 | T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 1,826 | 73.2K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 79 | SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST | 1,823 | 70.6K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 80 | Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 1,710 | 68.6K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 81 | SIIT SMALL CAP FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 1,490 | 54.4K $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 82 | SIIT SMALL CAP II FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 1,488 | 54.4K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 83 | VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 1,360 | 49.7K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 84 | CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. | 1,302 | 52.2K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 85 | Nationwide Small Cap Index Fund Nationwide Mutual Funds | 1,294 | 50.1K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 86 | SIMT Small Cap Fund SEI INSTITUTIONAL MANAGED TRUST | 1,210 | 48.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 87 | PD Small-Cap Growth Index Portfolio PACIFIC SELECT FUND | 1,208 | 48.4K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 88 | JPMorgan Healthcare Leaders ETF J.P. Morgan Exchange-Traded Fund Trust | 1,201 | 46.5K $ | 0.42 % | as of Apr 30, 2026 · Original filing |
| 89 | Multimanager Aggressive Equity Portfolio EQ Advisors Trust | 1,200 | 48.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 90 | Strategic Equity Allocation Trust John Hancock Variable Insurance Trust | 1,138 | 45.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 91 | Russell Investments U.S. Small Cap Equity ETF Russell Investments Exchange Traded Funds | 1,115 | 44.7K $ | 0.09 % | as of Mar 31, 2026 · Original filing |
| 92 | Eventide Small Cap ETF Strategy Shares | 1,066 | 41.3K $ | 0.16 % | as of Apr 30, 2026 · Original filing |
| 93 | Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC | 1,049 | 42.1K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 94 | iShares Total U.S. Stock Market Index Fund BlackRock Funds | 1,048 | 40.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 95 | Venerable Small Cap Index Fund Venerable Variable Insurance Trust | 1,022 | 41K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 96 | ProShares Ultra Russell2000 ProShares Trust | 993 | 36.3K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 97 | ProShares UltraPro Russell2000 ProShares Trust | 993 | 36.3K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 98 | SmallCap Growth Fund I Principal Funds, Inc | 984 | 38.1K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 99 | Invesco Russell 2000 Dynamic Multifactor ETF Invesco Exchange-Traded Self-Indexed Fund Trust | 971 | 35.5K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 100 | Avantis U.S. Equity ETF American Century ETF Trust | 890 | 32.5K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
Institutional managers
116 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 | |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 9,905,045 | 397.1M $ | as of Mar 31, 2026 |
| TPG GP A, LLC | 6,494,962 | 260.4M $ | as of Mar 31, 2026 |
| ORBIMED ADVISORS LLC | 3,530,702 | 141.5M $ | as of Mar 31, 2026 |
| VIKING GLOBAL INVESTORS LP | 3,195,181 | 128.1M $ | as of Mar 31, 2026 |
| Atlas Venture Life Science Advisors, LLC | 2,995,602 | 120.1M $ | as of Mar 31, 2026 |
| ENAVATE SCIENCES GP, LLC | 2,478,030 | 99.3M $ | as of Mar 31, 2026 |
| JENNISON ASSOCIATES LLC | 1,451,220 | 58.2M $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 1,465,014 | 53.7M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 1,295,867 | 52M $ | as of Mar 31, 2026 |
| CITADEL ADVISORS LLC | 1,166,931 | 46.8M $ | as of Mar 31, 2026 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 970,590 | 38.9M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 756,227 | 30.3M $ | as of Mar 31, 2026 |
| PERCEPTIVE ADVISORS LLC | 658,439 | 26.4M $ | as of Mar 31, 2026 |
| EVENTIDE ASSET MANAGEMENT, LLC | 645,530 | 25.9M $ | as of Mar 31, 2026 |
| Aberdeen Group plc | 564,175 | 22.6M $ | as of Mar 31, 2026 |
| BAKER BROS. ADVISORS LP | 400,000 | 16M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 389,872 | 15.6M $ | as of Mar 31, 2026 |
| Siren, L.L.C. | 300,000 | 12M $ | as of Mar 31, 2026 |
| Sio Capital Management, LLC | 294,340 | 11.8M $ | as of Mar 31, 2026 |
| Soleus Capital Management, L.P. | 293,500 | 11.8M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 263,174 | 10.6M $ | as of Mar 31, 2026 |
| Ensign Peak Advisors, Inc | 255,636 | 10.2M $ | as of Mar 31, 2026 |
| Candriam S.C.A. | 236,813 | 9.5M $ | as of Mar 31, 2026 |
| Kalehua Capital Management LLC | 197,072 | 7.9M $ | as of Mar 31, 2026 |
| FRANKLIN RESOURCES INC | 175,483 | 7M $ | as of Mar 31, 2026 |