ARX · Company research
Accelerant Holdings (ARX): 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.
80records availableFinancial Services
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 |
|---|---|---|---|---|---|---|---|---|---|
| Parallel Advisors, LLC | 1690010 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 666 | 7806 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11079 | 129846 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Rakuten Securities, Inc. | 2009539 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 12 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Owls Nest Partners IA, LLC | 1845806 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1251884 | 14672080 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MARSHALL WACE, LLP | 1318757 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 820034 | 9610798 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2255642 | 26436124 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 92404 | 1082975 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Walleye Capital LLC | 1758720 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 541257 | 6343532 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 296100 | 3470292 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 69883 | 819020 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 900775 | 10557083 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| SEI INVESTMENTS CO | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 63902 | 748931 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28257 | 331172 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Quarry LP | 1965207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 143 | 1676 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 322417 | 3778727 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 113878 | 1334650 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| SummitTX Capital, L.P. | 2052310 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 56584 | 663164 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 549444 | 6439484 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Pictet Asset Management Holding SA | 1993888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10163 | 119110 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3400 | 39848 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| G2 Investment Partners Management LLC | 1593404 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 640000 | 7500800 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8348 | 98000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11512 | 134921 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Farther Finance Advisors, LLC | 1992825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 170 | 1992 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Jackson Creek Investment Advisors LLC | 1831003 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40161 | 477 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13300 | 155876 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Jupiter Topco LLC | 2146052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23500 | 275538 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 57090 | 669095 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CANNELL CAPITAL LLC | 1058854 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 171080 | 2005058 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| FIRST HORIZON CORP | 36966 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 479 | 5614 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| GSA CAPITAL PARTNERS LLP | 1362033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98911 | 1159 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 125 | 1465 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Burkehill Global Management, LP | 1904549 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1172000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| STATE OF WISCONSIN INVESTMENT BOARD | 854157 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 52843 | 619320 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 527948 | 6187551 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300 | 3516 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ALLIANCEBERNSTEIN L.P. | 1109448 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1447153 | 19333964 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Sterling Capital Management LLC | 1329883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 293 | 3252 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| Engineers Gate Manager LP | 1620220 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98354 | 1152709 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1520354 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 854 | 10009 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ROTHSCHILD INVESTMENT LLC | 85338 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50 | 586 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 769899 | 65691 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 883214 | 10351268 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| INTECH INVESTMENT MANAGEMENT LLC | 1086318 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11390 | 133491 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Holocene Advisors, LP | 1700574 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300000 | 3516000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| State of Wyoming | 1821626 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10943 | 128252 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| VANGUARD ASSET MANAGEMENT, Ltd | 1680208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 41471 | 486040 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Militia Capital Management LLC | 2130487 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 80000 | 937600 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Ameritas Investment Partners, Inc. | 1055980 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5547 | 65011 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Invesco Ltd. | 914208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24372 | 285640 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Legal & General Group Plc | 764068 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20539 | 240717 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VOYA INVESTMENT MANAGEMENT LLC | 1068837 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12297 | 144121 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| GAMMA Investing LLC | 2010235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 160 | 1875 | — | — | — | Jul 7, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12890 | 151071 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2654 | 31104 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21400 | 250808 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| DIVERSIFIED TRUST CO | 1479844 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24086 | 282287 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Yorktown Management & Research Co Inc | 1313559 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22800 | 267216 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Police & Firemen's Retirement System of New Jersey | 2040686 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18025 | 211253 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| ArrowMark Colorado Holdings LLC | 1483859 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 477208 | 5592878 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Graham Capital Management, L.P. | 1315421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20001 | 234412 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SECURITY BENEFIT LIFE INSURANCE CO /KS/ | 869772 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5866257 | 78373194 | — | — | — | Jul 21, 2026 | SEC_13F_DATASET |
| RAYMOND JAMES FINANCIAL INC | 720005 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11600 | 135952 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 48 | 563 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 69019 | 808903 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PANAGORA ASSET MANAGEMENT INC | 883677 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 408931 | 4792671 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 36723 | 430394 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Squarepoint Ops LLC | 1642575 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40428 | 473816 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 928047 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28594 | 335122 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4889 | 57299 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Qube Research & Technologies Ltd | 1729829 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 239317 | 2804795 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Keenan Capital, LLC | 1647363 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3992923 | 46797058 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Lighthouse Investment Partners, LLC | 1600344 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 488152 | 5721141 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Virtu Financial LLC | 1533964 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12726 | 149 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Woodline Partners LP | 1784547 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 57554 | 674533 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Federation des caisses Desjardins du Quebec | 2022297 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 750 | 8790 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Sixth Street Partners Management Company, L.P. | 1812095 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 148881 | 1744885 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Azora Capital LP | 1700272 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3049846 | 35744195 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6873 | 80552 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8900 | 104308 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.