Funds holding Atrium Therapeutics Inc
180 funds declare a position · 35 ETFs and 145 other funds · 53.3M $· 518.4K SEK · US04965N1046
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. | 666,325 | 8.9M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 2 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 443,916 | 5.9M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 3 | T. Rowe Price New Horizons Fund, Inc. T. ROWE PRICE NEW HORIZONS FUND, INC. | 443,462 | 5.9M $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 4 | iShares Russell 2000 ETF iShares Trust | 298,538 | 4M $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 5 | BlackRock Event Driven Equity Fund BlackRock Large Cap Series Funds, Inc. | 175,389 | 2.6M $ | 0.05 % | as of Feb 27, 2026 · Original filing |
| 6 | VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 169,155 | 2.3M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 7 | VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 159,352 | 2.1M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 8 | Nexpoint Merger Arbitrage Fund NexPoint Funds I | 135,138 | 1.8M $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 9 | AQR Diversified Arbitrage Fund AQR Funds | 125,410 | 1.7M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 10 | Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 119,517 | 1.5M $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 11 | Janus Henderson Small Cap Growth Alpha ETF Janus Detroit Street Trust | 118,267 | 1.5M $ | 0.48 % | as of Apr 30, 2026 · Original filing |
| 12 | iShares Russell 2000 Growth ETF iShares Trust | 87,545 | 1.2M $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 13 | Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 74,124 | 1.1M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 14 | Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST | 68,679 | 1M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 15 | VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 57,344 | 845.8K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 16 | VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 54,074 | 723K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 17 | VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 46,926 | 627.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 18 | The Merger Fund Merger Fund | 46,590 | 622.9K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 19 | T. Rowe Price Health Sciences Portfolio T. ROWE PRICE EQUITY SERIES, INC. | 41,700 | 557.5K $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 20 | VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 32,849 | 484.5K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 21 | Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST | 26,564 | 339.2K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 22 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 26,529 | 391.3K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 23 | Goldman Sachs Small Cap Growth Insights Fund Goldman Sachs Trust | 21,214 | 270.9K $ | 0.09 % | as of Apr 30, 2026 · Original filing |
| 24 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 20,923 | 308.6K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 25 | Master Small Cap Index Series Quantitative Master Series LLC | 19,237 | 257.2K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 26 | iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 17,986 | 240.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 27 | Fidelity SAI Merger Arbitrage Fund Fidelity Greenwood Street Trust | 15,000 | 191.6K $ | 0.03 % | as of Apr 30, 2026 · Original filing |
| 28 | Health Sciences Trust John Hancock Variable Insurance Trust | 14,900 | 199.2K $ | 0.09 % | as of Mar 31, 2026 · Original filing |
| 29 | Goldman Sachs Small Cap Equity Insights Fund Goldman Sachs Trust | 14,269 | 182.2K $ | 0.03 % | as of Apr 30, 2026 · Original filing |
| 30 | Nuveen Small Cap Blend Index Fund TIAA-CREF Funds | 14,100 | 180.1K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 31 | AlphaCentric Life Sciences and Healthcare Fund MUTUAL FUND SERIES TRUST | 13,286 | 177.6K $ | 0.45 % | as of Mar 31, 2026 · Original filing |
| 32 | THE ARBITRAGE FUND ARBITRAGE FUNDS | 13,073 | 192.8K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 33 | EQ/2000 Managed Volatility Portfolio EQ Advisors Trust | 12,504 | 167.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 34 | Goldman Sachs Hedge Industry VIP ETF Goldman Sachs ETF Trust | 12,341 | 182K $ | 0.04 % | as of Feb 28, 2026 · Original filing |
| 35 | BlackRock Advantage Small Cap Core Fund BlackRock Funds | 11,908 | 175.6K $ | 0.00 % | as of Feb 27, 2026 · Original filing |
| 36 | Goldman Sachs Small Cap Value Insights Fund Goldman Sachs Trust | 10,950 | 139.8K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 37 | EQ/T.Rowe Price Health Sciences Portfolio EQ Advisors Trust | 10,400 | 139K $ | 0.09 % | as of Mar 31, 2026 · Original filing |
| 38 | NexPoint Event Driven Fund NexPoint Funds I | 10,033 | 134.1K $ | 0.17 % | as of Mar 31, 2026 · Original filing |
| 39 | Fidelity Enhanced Small Cap ETF Fidelity Covington Trust | 10,026 | 134K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 40 | BlackRock Health Sciences Opportunities Portfolio BlackRock Funds | 9,948 | 146.7K $ | 0.00 % | as of Feb 27, 2026 · Original filing |
| 41 | VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS | 9,742 | 143.7K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 42 | Nuveen Equity Index Fund TIAA-CREF Funds | 9,612 | 122.7K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 43 | GMO Alternative Allocation Fund GMO TRUST | 9,032 | 133.2K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 44 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 8,998 | 132.7K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 45 | VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS | 8,760 | 111.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 46 | Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust | 8,513 | 113.8K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 47 | Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 8,226 | 121.3K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 48 | iShares Russell 2000 Value ETF iShares Trust | 8,211 | 109.8K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 49 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 7,971 | 106.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 50 | LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 7,850 | 105K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 51 | Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 7,175 | 91.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 52 | Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 7,037 | 89.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 53 | VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 6,870 | 91.9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 54 | Small Cap Index Fund Northern Funds | 6,636 | 88.7K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 55 | EQ/Small Company Index Portfolio EQ Advisors Trust | 6,310 | 84.4K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 56 | Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 5,181 | 66.2K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 57 | Global X Russell 2000 ETF GLOBAL X FUNDS | 5,155 | 65.8K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 58 | The Gabelli ABC Fund Gabelli Investor Funds Inc | 5,000 | 66.9K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 59 | Small Cap Index Fund VALIC Co I | 4,652 | 68.6K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 60 | Schwab 1000 Index Fund SCHWAB INVESTMENTS | 4,540 | 58K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 61 | PACE Small/Medium Co Growth Equity Investments PACE SELECT ADVISORS TRUST | 4,478 | 57.2K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 62 | State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF SPDR SERIES TRUST | 4,130 | 55.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 63 | Handelsbanken Global Småbolag Index Criteria Handelsbanken Fonder AB | 4,070 | 518.4K SEK | 0.00 % | as of Mar 31, 2026 · Original filing |
| 64 | EQ/AB Small Cap Growth Portfolio EQ Advisors Trust | 4,010 | 53.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 65 | BNY Mellon US Mid Cap Core Equity ETF BNY Mellon ETF Trust | 3,991 | 51K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 66 | iShares ESG Aware MSCI USA Small-Cap ETF iShares Trust | 3,943 | 58.2K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 67 | STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 3,870 | 51.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 68 | BlackRock Advantage Small Cap Growth Fund BlackRock Funds | 3,801 | 50.8K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 69 | MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 3,756 | 50.2K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 70 | Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust | 3,550 | 52.4K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 71 | ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 3,494 | 46.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 72 | Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust | 3,493 | 44.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 73 | iShares Russell 3000 ETF iShares Trust | 3,247 | 43.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 74 | Small-Cap Index Portfolio PACIFIC SELECT FUND | 3,034 | 40.6K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 75 | Global X Genomics & Biotechnology ETF GLOBAL X FUNDS | 2,725 | 40.2K $ | 0.08 % | as of Feb 28, 2026 · Original filing |
| 76 | Virtus Westchester Event-Driven Fund Virtus Event Opportunities Trust | 2,659 | 35.6K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 77 | JNL Multi-Manager Alternative Fund JNL Series Trust | 2,659 | 35.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 78 | Diversified Equity Master Portfolio Master Investment Portfolio | 2,610 | 34.9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 79 | VANGUARD ESG U.S. STOCK ETF VANGUARD WORLD FUND | 2,521 | 37.2K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 80 | LVIP Franklin Templeton Multi-Factor SMID Cap Equity Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 2,476 | 33.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 81 | Small Cap Index Trust John Hancock Variable Insurance Trust | 2,274 | 30.4K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 82 | NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 2,267 | 30.3K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 83 | T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 2,227 | 29.8K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 84 | Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 2,110 | 26.9K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 85 | Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust | 2,049 | 27.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 86 | AB All Market Total Return Portfolio AB PORTFOLIOS | 1,973 | 29.1K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 87 | JPMorgan Small Cap Value Fund JPMorgan Trust II | 1,897 | 25.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 88 | T. Rowe Price Total Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 1,886 | 25.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 89 | SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 1,820 | 26.8K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 90 | iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 1,809 | 23.1K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 91 | DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 1,640 | 21.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 92 | EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 1,507 | 20.1K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 93 | Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF Goldman Sachs ETF Trust | 1,496 | 22.1K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 94 | EQ/Common Stock Index Portfolio EQ Advisors Trust | 1,450 | 19.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 95 | BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 1,426 | 19.1K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 96 | AQR Small Cap Momentum Style Fund AQR Funds | 1,386 | 18.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 97 | T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 1,384 | 18.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 98 | Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 1,327 | 19.6K $ | as of Feb 28, 2026 · Original filing | |
| 99 | SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST | 1,294 | 16.5K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 100 | VIP Disciplined Small Cap Portfolio Variable Insurance Products Fund II | 1,290 | 17.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
Institutional managers
153 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 | |
|---|---|---|---|
| BlackRock, Inc. | 1,205,291 | 16.1M $ | as of Mar 31, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | 864,102 | 11.6M $ | as of Mar 31, 2026 |
| TIG Advisors, LLC | 607,552 | 8.1M $ | as of Mar 31, 2026 |
| Pentwater Capital Management LP | 602,649 | 8.1M $ | as of Mar 31, 2026 |
| O'Connor Alternative Investments LLC | 578,011 | 7.7M $ | as of Mar 31, 2026 |
| Sessa Capital IM, L.P. | 551,391 | 7.4M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 349,950 | 4.7M $ | as of Mar 31, 2026 |
| FARALLON CAPITAL MANAGEMENT LLC | 349,360 | 4.7M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 319,831 | 4.3M $ | as of Mar 31, 2026 |
| 683 Capital Management, LLC | 300,000 | 4M $ | as of Mar 31, 2026 |
| Bellevue Group AG | 263,096 | 3.5M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 257,086 | 3.4M $ | as of Mar 31, 2026 |
| Weiss Asset Management LP | 240,701 | 3.2M $ | as of Mar 31, 2026 |
| CANTOR FITZGERALD, L. P. | 235,637 | 3.2M $ | as of Mar 31, 2026 |
| Balyasny Asset Management L.P. | 235,115 | 3.1M $ | as of Mar 31, 2026 |
| Squarepoint Ops LLC | 231,466 | 3.1M $ | as of Mar 31, 2026 |
| Arbiter Partners Capital Management LLC | 230,000 | 3.1M $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 190,859 | 2.6M $ | as of Mar 31, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 183,580 | 2.5M $ | as of Mar 31, 2026 |
| Slotnik Capital, LLC | 180,945 | 2.4M $ | as of Mar 31, 2026 |
| AQR Arbitrage LLC | 179,713 | 2.4M $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 178,560 | 2.4M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 165,036 | 2.2M $ | as of Mar 31, 2026 |
| Schonfeld Strategic Advisors LLC | 162,759 | 2.2M $ | as of Mar 31, 2026 |
| NEXPOINT ASSET MANAGEMENT, L.P. | 150,025 | 2M $ | as of Mar 31, 2026 |