RNA · Company research
Atrium Therapeutics, Inc. Common Stock (RNA): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| FRANKLIN RESOURCES INC | 38777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 54257 | 729757 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Caption Management, LLC | 1706766 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 75277 | 1012476 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Squarepoint Ops LLC | 1642575 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 146743 | 1973693 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Torren Management, LLC | 2096203 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4 | 54 | — | — | — | Jul 10, 2026 | SEC_13F_DATASET |
| DEUTSCHE BANK AG\ | 948046 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14776 | 198737 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Walleye Trading LLC | 1388391 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20900 | 281105 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Jump Financial, LLC | 1831577 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31017 | 417178 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| AlphaCentric Advisors LLC | 1913464 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13478 | 181279 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 49 | 659 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| CRCM LP | 1483234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 583255 | 7844780 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Allworth Financial LP | 1555170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 281 | 3780 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5858 | 78790 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| PenderFund Capital Management Ltd. | 1706164 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 490 | 6591 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| AdvisorNet Financial, Inc | 1409362 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 139 | 1870 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25162 | 338429 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 345481 | 4646719 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BlueCrest Capital Management Ltd | 1610880 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1345000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ADAR1 Capital Management, LLC | 1940272 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 57688 | 775904 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1716 | 23080 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ALLIANCEBERNSTEIN L.P. | 1109448 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17110 | 228761 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Smartleaf Asset Management LLC | 2010393 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25 | 341 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Vestcor Inc | 1536925 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17499 | 235 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1705339 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6602 | 88797 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1425819 | 19178 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Wealth Enhancement Trust Services, Inc. | 2067696 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40 | 538 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| ExodusPoint Capital Management, LP | 1736225 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 117275 | 1577349 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200559 | 2697519 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5585 | 75118 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Truvestments Capital LLC | 1750405 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 13 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| 683 Capital Management, LLC | 1404574 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300000 | 4035000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NORGES BANK | 1374170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 126575 | 1702434 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2300 | 171 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16579 | 222972 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Essential Partners LLC | 2136442 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 288 | 3874 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 101195 | 1361073 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 77 | 1033 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Keating Financial Advisory Services, Inc. | 2103443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 531 | 7142 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2749 | 36974 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| BOUSSARD & GAVAUDAN GESTION SAS | 1569001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32845 | 447184 | — | — | — | Aug 19, 2026 | SEC_13F_DATASET |
| Balyasny Asset Management L.P. | 1218710 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 105875 | 1424019 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27418 | 368772 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CAXTON ASSOCIATES LLP | 2051323 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44230 | 594894 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7891 | 106134 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ROTHSCHILD INVESTMENT LLC | 85338 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 162 | 2179 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Moran Wealth Management, LLC | 1965334 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33320 | 448154 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4 | 54 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| FIL Ltd | 318989 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 76500 | 1028925 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Corsicana & Co. | 1869923 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9820 | 132079 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| GLAZER CAPITAL, LLC | 1076809 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 175 | 0 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 840600 | 11306070 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 253469 | 3409158 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ALETHEA CAPITAL MANAGEMENT, LLC | 1549408 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 43758 | 588545 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Basecamp Wealth Advisors LLC | 2115254 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 56 | 753 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Odyssean, LLC | 2092853 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21233 | 285584 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Global Retirement Partners, LLC | 1749744 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21 | 282 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| TD PRIVATE CLIENT WEALTH LLC | 1551017 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 74 | 995 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| Jupiter Topco LLC | 2146052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13833 | 185639 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AWM Investment Company, Inc. | 1535264 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 107500 | 1445875 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 1167487 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 107 | 1439 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19567 | 263176 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| AXQ CAPITAL, LP | 1916908 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11377 | 153021 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Erste Asset Management GmbH | 2024532 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3600 | 49140 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| NEXPOINT ASSET MANAGEMENT, L.P. | 1469877 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 145171 | 1952550 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26300 | 353735 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Farther Finance Advisors, LLC | 1992825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 120 | 1616 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3851 | 51795 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 73728 | 991642 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 55920 | 752124 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FNY Investment Advisers, LLC | 1742998 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 260 | 3 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| BLUEFIN CAPITAL MANAGEMENT, LLC | 1144208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16011 | 215348 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Saba Capital Management, L.P. | 1510281 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39640 | 533158 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Parallel Advisors, LLC | 1690010 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 27 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Brevan Howard Capital Management LP | 1512857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20834 | 280217 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TUDOR INVESTMENT CORP ET AL | 923093 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 129591 | 1742999 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Centerpoint Advisors, LLC | 1733788 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5 | 0 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 130217 | 1751419 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1831 | 24316 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DAFNA Capital Management LLC | 1389933 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 128000 | 1721600 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3128 | 42071 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Ameritas Investment Partners, Inc. | 1055980 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 950 | 12778 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.