Accelerant Holdings - ARX

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2026 · Compare: Q2 2026
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Deer Park Road Corp History New 4,594,265 90,644 82.53% — 1 +4,594,265 New Q3 2026 Oct 23, 2026
FMR LLC History No change 5,628,679 65,968 0.0% 0.0% 2 0 0.0% Q2 2026 Aug 13, 2026
BARINGS LLC History No change 3,128,867 61,732 1.06% 0.67% 3 0 0.0% Q3 2026 Oct 22, 2026
Capital World Investors History No change 4,626,664 54,224 0.01% 0.01% 4 0 0.0% Q2 2026 Aug 12, 2026
Keenan Capital, LLC History No change 3,992,923 46,797 9.25% 9.25% 5 0 0.0% Q2 2026 Aug 14, 2026
AMERICAN CENTURY COMPANIES INC History No change 3,877,619 45,445 0.02% 0.02% 6 0 0.0% Q2 2026 Aug 12, 2026
GILDER GAGNON HOWE & CO LLC History No change 3,732,024 43,739 0.45% 0.45% 7 0 0.0% Q2 2026 Aug 14, 2026
BlackRock, Inc. History No change 3,496,273 40,976 0.0% 0.0% 8 0 0.0% Q2 2026 Aug 07, 2026
Azora Capital LP History No change 3,049,846 35,744 1.51% 1.51% 9 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History No change 2,418,330 28,342 0.0% 0.0% 10 0 0.0% Q2 2026 Aug 13, 2026
JPMORGAN CHASE & CO History No change 2,176,807 27,493 0.0% 0.0% 11 0 0.0% Q2 2026 Aug 12, 2026
GOLDMAN SACHS GROUP INC History No change 2,013,582 23,599 0.0% 0.0% 12 0 0.0% Q2 2026 Aug 14, 2026
Cresset Asset Management, LLC History No change 1,839,620 21,560 0.08% 0.08% 13 0 0.0% Q2 2026 Aug 14, 2026
CITADEL ADVISORS LLC History No change 1,797,785 21,070 0.0% 0.0% 14 0 0.0% Q2 2026 Sep 02, 2026
VANGUARD CAPITAL MANAGEMENT LLC History No change 1,657,197 19,422 0.0% 0.0% 15 0 0.0% Q2 2026 Aug 13, 2026
ALLIANCEBERNSTEIN L.P. History No change 1,447,153 19,333 0.01% 0.01% 16 0 0.0% Q2 2026 Aug 14, 2026
Owls Nest Partners IA, LLC History No change 1,251,884 14,672 4.76% 4.76% 17 0 0.0% Q2 2026 Aug 13, 2026
MARSHALL WACE, LLP History No change 1,109,675 13,005 0.01% 0.01% 18 0 0.0% Q2 2026 Aug 13, 2026
JANE STREET GROUP, LLC History No change 952,066 11,158 0.0% 0.0% 19 0 0.0% Q2 2026 Aug 14, 2026
STATE STREET CORP History No change 900,775 10,557 0.0% 0.0% 20 0 0.0% Q2 2026 Sep 22, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 809,620 9,488 0.0% 0.0% 21 0 0.0% Q2 2026 Aug 12, 2026
G2 Investment Partners Management LLC History No change 640,000 7,500 1.37% 1.37% 22 0 0.0% Q2 2026 Aug 14, 2026
BANK OF AMERICA CORP /DE/ History No change 603,858 7,077 0.0% 0.0% 23 0 0.0% Q2 2026 Aug 14, 2026
UBS Group AG History No change 554,448 6,498 0.0% 0.0% 24 0 0.0% Q2 2026 Aug 13, 2026
Walleye Capital LLC History No change 541,257 6,343 0.02% 0.02% 25 0 0.0% Q2 2026 Aug 03, 2026
Lighthouse Investment Partners, LLC History No change 488,152 5,721 0.16% 0.16% 26 0 0.0% Q2 2026 Aug 14, 2026
ArrowMark Colorado Holdings LLC History No change 477,208 5,592 0.23% 0.23% 27 0 0.0% Q2 2026 Aug 13, 2026
TOKIO MARINE ASSET MANAGEMENT CO LTD History New 244,000 4,814 0.14% — 28 +244,000 New Q3 2026 Oct 26, 2026
PANAGORA ASSET MANAGEMENT INC History No change 408,931 4,792 0.01% 0.01% 29 0 0.0% Q2 2026 Aug 06, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 372,813 4,369 0.0% 0.0% 30 0 0.0% Q2 2026 Aug 13, 2026
NORTHERN TRUST CORP History No change 369,625 4,332 0.0% 0.0% 31 0 0.0% Q2 2026 Aug 13, 2026
XTX Topco Ltd History No change 322,417 3,778 0.05% 0.05% 32 0 0.0% Q2 2026 Aug 14, 2026
Crestwood Advisors Group, LLC History New 190,408 3,756 0.06% — 33 +190,408 New Q3 2026 Oct 27, 2026
Holocene Advisors, LP History No change 300,000 3,516 0.01% 0.01% 34 0 0.0% Q2 2026 Aug 14, 2026
RENAISSANCE TECHNOLOGIES LLC History No change 296,100 3,470 0.0% 0.0% 35 0 0.0% Q2 2026 Aug 13, 2026
Bank of New York Mellon Corp History Added to 174,690 3,446 0.0% 0.0% 36 +4,011 2.35% Q3 2026 Nov 05, 2026
MORGAN STANLEY History No change 279,971 3,281 0.0% 0.0% 37 0 0.0% Q2 2026 Aug 13, 2026
Qube Research & Technologies Ltd History No change 239,317 2,804 0.0% 0.0% 38 0 0.0% Q2 2026 Aug 14, 2026
CANNELL CAPITAL LLC History No change 171,080 2,005 1.34% 1.34% 39 0 0.0% Q2 2026 Aug 18, 2026
Transmarket Holdings LP History New 89,851 1,772 0.99% — 40 +89,851 New Q3 2026 Oct 27, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History No change 148,881 1,744 0.0% 0.0% 41 0 0.0% Q2 2026 Aug 14, 2026
BOOTHBAY FUND MANAGEMENT, LLC History No change 138,295 1,620 0.02% 0.02% 42 0 0.0% Q2 2026 Aug 14, 2026
Nuveen, LLC History No change 134,777 1,579 0.0% 0.0% 43 0 0.0% Q2 2026 Aug 11, 2026
Swiss National Bank History No change 117,100 1,372 0.0% 0.0% 44 0 0.0% Q2 2026 Aug 11, 2026
Burkehill Global Management, LP History No change 100,000 1,172 0.04% 0.04% 45 0 0.0% Q2 2026 Aug 14, 2026
GSA CAPITAL PARTNERS LLP History No change 98,911 1,159 0.07% 0.07% 46 0 0.0% Q2 2026 Aug 06, 2026
Engineers Gate Manager LP History No change 98,354 1,152 0.01% 0.01% 47 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD FIDUCIARY TRUST CO History No change 92,404 1,082 0.0% 0.0% 48 0 0.0% Q2 2026 Aug 13, 2026
WELLS FARGO & COMPANY/MN History No change 85,940 1,007 0.0% 0.0% 49 0 0.0% Q2 2026 Aug 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History No change 80,519 943 0.0% 0.0% 50 0 0.0% Q2 2026 Aug 14, 2026
Militia Capital Management LLC History No change 80,000 937 0.03% 0.03% 51 0 0.0% Q2 2026 Aug 12, 2026
TIGER GLOBAL MANAGEMENT LLC History No change 75,000 879 0.0% 0.0% 52 0 0.0% Q2 2026 Aug 14, 2026
RHUMBLINE ADVISERS History No change 69,883 819 0.0% 0.0% 53 0 0.0% Q2 2026 Aug 11, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History No change 65,691 769 0.0% 0.0% 54 0 0.0% Q2 2026 Aug 24, 2026
SEI INVESTMENTS CO History No change 65,141 763 0.0% 0.0% 55 0 0.0% Q2 2026 Aug 14, 2026
Woodline Partners LP History No change 57,554 674 0.0% 0.0% 56 0 0.0% Q2 2026 Aug 14, 2026
SummitTX Capital, L.P. History No change 56,584 663 0.02% 0.02% 57 0 0.0% Q2 2026 Aug 14, 2026
STATE OF WISCONSIN INVESTMENT BOARD History No change 52,843 619 0.0% 0.0% 58 0 0.0% Q2 2026 Aug 14, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History No change 50,853 596 0.0% 0.0% 59 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD ASSET MANAGEMENT, Ltd History No change 41,471 486 0.0% 0.0% 60 0 0.0% Q2 2026 Aug 13, 2026
Squarepoint Ops LLC History No change 40,428 473 0.0% 0.0% 61 0 0.0% Q2 2026 Aug 14, 2026
Legal & General Group Plc History No change 37,826 443 0.0% 0.0% 62 0 0.0% Q2 2026 Aug 14, 2026
MetLife Investment Management, LLC History No change 36,306 425 0.0% 0.0% 63 0 0.0% Q2 2026 Aug 13, 2026
Invesco Ltd. History No change 33,735 395 0.0% 0.0% 64 0 0.0% Q2 2026 Aug 14, 2026
FORMULA GROWTH LTD History No change 31,000 363 0.13% 0.13% 65 0 0.0% Q2 2026 Aug 17, 2026
JONES FINANCIAL COMPANIES LLLP History No change 25,329 348 0.0% 0.0% 66 0 0.0% Q2 2026 Aug 14, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History No change 28,594 335 0.0% 0.0% 67 0 0.0% Q2 2026 Sep 09, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History No change 28,023 328 0.0% 0.0% 68 0 0.0% Q2 2026 Aug 14, 2026
Arizona State Retirement System History Reduced 15,884 313 0.0% 0.0% 69 -224 -1.39% Q3 2026 Nov 03, 2026
NATIXIS ADVISORS, LLC History No change 25,313 296 0.0% 0.0% 70 0 0.0% Q2 2026 Aug 14, 2026
Diversified Trust Co History No change 24,086 282 0.0% 0.0% 71 0 0.0% Q2 2026 Jul 17, 2026
Jupiter Topco LLC History No change 23,500 275 0.0% 0.0% 72 0 0.0% Q2 2026 Aug 14, 2026
DIMENSIONAL FUND ADVISORS LP History New 13,851 273 0.0% — 73 +13,851 New Q3 2026 Nov 04, 2026
WINTON GROUP Ltd History No change 22,000 257 0.01% 0.01% 74 0 0.0% Q2 2026 Aug 07, 2026
IMC-Chicago, LLC History New 12,971 255 0.0% — 75 +12,971 New Q3 2026 Nov 05, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 21,400 250 0.0% 0.0% 76 0 0.0% Q2 2026 Jul 29, 2026
BARCLAYS PLC History No change 20,631 241 0.0% 0.0% 77 0 0.0% Q2 2026 Aug 14, 2026
CITIGROUP INC History Reduced 11,997 236 0.0% 0.0% 78 -21,584 -64.27% Q3 2026 Nov 04, 2026
Graham Capital Management, L.P. History No change 20,001 234 0.0% 0.0% 79 0 0.0% Q2 2026 Aug 14, 2026
Police & Firemen's Retirement System of New Jersey History No change 18,025 211 0.0% 0.0% 80 0 0.0% Q2 2026 Jul 23, 2026
MILLENNIUM MANAGEMENT LLC History No change 17,491 204 0.0% 0.0% 81 0 0.0% Q2 2026 Aug 14, 2026
WOLVERINE ASSET MANAGEMENT LLC History New 10,200 201 0.0% — 82 +10,200 New Q3 2026 Nov 02, 2026
Pictet Asset Management Holding SA History No change 10,163 200 0.0% 0.0% 83 0 0.0% Q3 2026 Nov 03, 2026
Quadrature Capital Ltd History No change 16,341 191 0.0% 0.0% 84 0 0.0% Q2 2026 Aug 06, 2026
PEAK6 LLC History No change 15,200 178 0.0% 0.0% 85 0 0.0% Q2 2026 Aug 12, 2026
Zurcher Kantonalbank (Zurich Cantonalbank) History No change 13,300 155 0.0% 0.0% 86 0 0.0% Q2 2026 Aug 11, 2026
KLP KAPITALFORVALTNING AS History No change 13,200 154 0.0% 0.0% 87 0 0.0% Q2 2026 Aug 12, 2026
Entropy Technologies, LP History No change 12,954 151 0.01% 0.01% 88 0 0.0% Q2 2026 Aug 13, 2026
Virtu Financial LLC History No change 12,726 149 0.0% 0.0% 89 0 0.0% Q2 2026 Aug 13, 2026
BNP Paribas Asset Management Holding S.A. History No change 12,633 148 0.0% 0.0% 90 0 0.0% Q2 2026 Aug 12, 2026
VOYA INVESTMENT MANAGEMENT LLC History No change 12,297 144 0.0% 0.0% 91 0 0.0% Q2 2026 Aug 12, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History No change 12,245 143 0.0% 0.0% 92 0 0.0% Q2 2026 Aug 13, 2026
SG Americas Securities, LLC History No change 12,084 142 0.0% 0.0% 93 0 0.0% Q2 2026 Aug 07, 2026
Magnetar Financial LLC History No change 11,936 139 0.0% 0.0% 94 0 0.0% Q2 2026 Aug 14, 2026
RAYMOND JAMES FINANCIAL INC History No change 11,600 135 0.0% 0.0% 95 0 0.0% Q2 2026 Aug 14, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History No change 11,512 134 0.0% 0.0% 96 0 0.0% Q2 2026 Aug 13, 2026
INTECH INVESTMENT MANAGEMENT LLC History No change 11,390 133 0.0% 0.0% 97 0 0.0% Q2 2026 Aug 10, 2026
TWO SIGMA INVESTMENTS, LP History No change 11,079 129 0.0% 0.0% 98 0 0.0% Q2 2026 Aug 14, 2026
Vanguard Investments Australia, Ltd. History No change 10,677 125 0.0% 0.0% 99 0 0.0% Q2 2026 Aug 13, 2026
ROYAL BANK OF CANADA History No change 10,214 120 0.0% 0.0% 100 0 0.0% Q2 2026 Aug 14, 2026
PRUDENTIAL FINANCIAL INC History No change 10,070 118 0.0% 0.0% 101 0 0.0% Q2 2026 Aug 12, 2026
SIMPLEX TRADING, LLC History Added to 5,661 111 0.0% 0.0% 102 +3,007 113.3% Q3 2026 Nov 04, 2026
Ameritas Investment Partners, Inc. History No change 5,547 65 0.0% 0.0% 103 0 0.0% Q2 2026 Aug 13, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 5,411 63 0.0% 0.0% 104 0 0.0% Q2 2026 Aug 07, 2026
Russell Investments Group, Ltd. History No change 4,889 57 0.0% 0.0% 105 0 0.0% Q2 2026 Aug 06, 2026
Caitong International Asset Management Co., Ltd History Reduced 2,474 48 0.0% 0.01% 106 -4,399 -64.0% Q3 2026 Oct 29, 2026
Tower Research Capital LLC (TRC) History No change 3,400 39 0.0% 0.0% 107 0 0.0% Q2 2026 Aug 11, 2026
Versant Capital Management, Inc History New 1,925 37 0.0% — 109 +1,925 New Q3 2026 Oct 01, 2026
Sterling Capital Management LLC History Added to 1,885 37 0.0% 0.0% 108 +1,592 543.34% Q3 2026 Oct 22, 2026
GAMMA Investing LLC History Added to 1,758 34 0.0% 0.0% 110 +1,598 998.75% Q3 2026 Oct 08, 2026
Parallel Advisors, LLC History Added to 731 14 0.0% 0.0% 112 +65 9.76% Q3 2026 Nov 03, 2026
GROUP ONE TRADING LLC History No change 1,200 14 0.0% 0.0% 111 0 0.0% Q2 2026 Aug 13, 2026
FINANCIAL CONSULATE, INC History New 422 8 0.0% — 114 +422 New Q3 2026 Oct 23, 2026
Federation des caisses Desjardins du Quebec History No change 750 8 0.0% 0.0% 113 0 0.0% Q2 2026 Aug 13, 2026
FIRST HORIZON CORP History Reduced 360 7 0.0% 0.0% 115 -153 -29.82% Q3 2026 Oct 26, 2026
Essential Partners LLC History New 332 6 0.0% — 117 +332 New Q3 2026 Oct 14, 2026
EverSource Wealth Advisors, LLC History Added to 323 6 0.0% — 116 +275 572.92% Q3 2026 Nov 04, 2026
Fortitude Family Office, LLC History New 188 3 0.0% — 118 +188 New Q3 2026 Oct 14, 2026
Farther Finance Advisors, LLC History Reduced 123 2 0.0% 0.0% 120 -47 -27.65% Q3 2026 Oct 08, 2026
OSAIC HOLDINGS, INC. History No change 254 2 0.0% 0.0% 119 0 0.0% Q2 2026 Aug 14, 2026
Parkside Financial Bank & Trust History New 75 1 0.0% — 123 +75 New Q3 2026 Oct 27, 2026
NATIONAL BANK OF CANADA /FI/ History No change 140 1 0.0% 0.0% 121 0 0.0% Q2 2026 Aug 10, 2026
Quarry LP History No change 143 1 0.0% 0.0% 122 0 0.0% Q2 2026 Aug 14, 2026
SECURITY BENEFIT LIFE INSURANCE CO /KS/ History Closed out 0 0 — 37.88% — -5,866,257 -100.0% Q3 2026 Nov 05, 2026
Jackson Creek Investment Advisors LLC History Closed out 0 0 — 0.16% — -40,161 -100.0% Q3 2026 Nov 04, 2026
Yorktown Management & Research Co Inc History Closed out 0 0 — 0.16% — -22,800 -100.0% Q3 2026 Oct 28, 2026
State of Wyoming History Closed out 0 0 — 0.01% — -10,943 -100.0% Q3 2026 Oct 28, 2026
True Wealth Design, LLC History New 30 0 — — — +30 New Q3 2026 Oct 13, 2026
IFP Advisors, Inc History New 14 0 — — — +14 New Q3 2026 Oct 16, 2026
Ascentis Wealth Management, LLC History New 14 0 — — — +14 New Q3 2026 Nov 03, 2026
Hughes Financial Services, LLC History New 5 0 — — — +5 New Q3 2026 Oct 30, 2026
Root Financial Partners, LLC History New 1 0 — — — +1 New Q3 2026 Oct 21, 2026
Rakuten Securities, Inc. History Closed out 0 0 — — — -1 -100.0% Q3 2026 Nov 02, 2026
ROTHSCHILD INVESTMENT LLC History No change 50 0 — — — 0 0.0% Q2 2026 Aug 06, 2026
SBI Securities Co., Ltd. History No change 1 0 — — — 0 0.0% Q3 2026 Oct 21, 2026