Accelerant Holdings - ARX

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q2 2026 · Compare: Q1 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
SECURITY BENEFIT LIFE INSURANCE CO /KS/ History No change 5,866,257 68,752 37.88% 41.18% 1 0 0.0% Q2 2026 Jul 23, 2026
FMR LLC History Added to 5,628,679 65,968 0.0% 0.0% 2 +3,816,472 210.6% Q2 2026 Aug 13, 2026
Capital World Investors History Reduced 4,626,664 54,224 0.01% 0.01% 3 -526,077 -10.21% Q2 2026 Aug 12, 2026
Keenan Capital, LLC History No change 3,992,923 46,797 9.25% 11.26% 4 0 0.0% Q2 2026 Aug 14, 2026
AMERICAN CENTURY COMPANIES INC History Added to 3,877,619 45,445 0.02% 0.02% 5 +689,114 21.61% Q2 2026 Aug 12, 2026
GILDER GAGNON HOWE & CO LLC History Reduced 3,732,024 43,739 0.45% 0.6% 6 -11,340 -0.3% Q2 2026 Aug 14, 2026
BlackRock, Inc. History Added to 3,496,273 40,976 0.0% 0.0% 7 +3,330,709 2011.74% Q2 2026 Aug 07, 2026
BARINGS LLC History No change 3,128,867 37,608 0.67% 0.74% 8 0 0.0% Q2 2026 Aug 07, 2026
Azora Capital LP History Added to 3,049,846 35,744 1.51% 1.74% 9 +1,069,635 54.02% Q2 2026 Aug 14, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History Added to 2,418,330 28,342 0.0% 0.0% 10 +304,765 14.42% Q2 2026 Aug 13, 2026
JPMORGAN CHASE & CO History Added to 2,176,807 27,493 0.0% 0.0% 11 +156,439 7.74% Q2 2026 Aug 12, 2026
GOLDMAN SACHS GROUP INC History Added to 2,013,582 23,599 0.0% 0.0% 12 +1,971,913 4732.33% Q2 2026 Aug 14, 2026
Cresset Asset Management, LLC History No change 1,839,620 21,560 0.08% 0.11% 13 0 0.0% Q2 2026 Aug 14, 2026
CITADEL ADVISORS LLC History Added to 1,797,785 21,070 0.0% 0.0% 14 +619,779 52.61% Q2 2026 Sep 02, 2026
VANGUARD CAPITAL MANAGEMENT LLC History Reduced 1,657,197 19,422 0.0% 0.0% 15 -281,741 -14.53% Q2 2026 Aug 13, 2026
ALLIANCEBERNSTEIN L.P. History Reduced 1,447,153 19,333 0.01% 0.01% 16 -1,353,035 -48.32% Q2 2026 Aug 14, 2026
Owls Nest Partners IA, LLC History Added to 1,251,884 14,672 4.76% 0.98% 17 +1,042,177 496.97% Q2 2026 Aug 13, 2026
MARSHALL WACE, LLP History Reduced 1,109,675 13,005 0.01% 0.03% 18 -1,164,477 -51.2% Q2 2026 Aug 13, 2026
JANE STREET GROUP, LLC History Added to 952,066 11,158 0.0% 0.0% 19 +91,369 10.62% Q2 2026 Aug 14, 2026
STATE STREET CORP History Added to 900,775 10,557 0.0% 0.0% 20 +863,469 2314.56% Q2 2026 Aug 07, 2026
GEODE CAPITAL MANAGEMENT, LLC History New 809,620 9,488 0.0% 21 +809,620 New Q2 2026 Aug 12, 2026
G2 Investment Partners Management LLC History Added to 640,000 7,500 1.37% 1.23% 22 +267,189 71.67% Q2 2026 Aug 14, 2026
BANK OF AMERICA CORP /DE/ History Added to 603,858 7,077 0.0% 0.0% 23 +423,672 235.13% Q2 2026 Aug 14, 2026
UBS Group AG History Reduced 554,448 6,498 0.0% 0.0% 24 -131,199 -19.14% Q2 2026 Aug 13, 2026
Walleye Capital LLC History New 541,257 6,343 0.02% 25 +541,257 New Q2 2026 Aug 03, 2026
Lighthouse Investment Partners, LLC History Added to 488,152 5,721 0.16% 0.04% 26 +402,746 471.57% Q2 2026 Aug 14, 2026
ArrowMark Colorado Holdings LLC History Reduced 477,208 5,592 0.23% 0.55% 27 -1,071,016 -69.18% Q2 2026 Aug 13, 2026
PANAGORA ASSET MANAGEMENT INC History New 408,931 4,792 0.01% 28 +408,931 New Q2 2026 Aug 06, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 372,813 4,369 0.0% 0.0% 29 +67,569 22.14% Q2 2026 Aug 13, 2026
NORTHERN TRUST CORP History Added to 369,625 4,332 0.0% 0.0% 30 +353,206 2151.2% Q2 2026 Aug 13, 2026
XTX Topco Ltd History Added to 322,417 3,778 0.05% 0.06% 31 +84,748 35.66% Q2 2026 Aug 14, 2026
Holocene Advisors, LP History New 300,000 3,516 0.01% 32 +300,000 New Q2 2026 Aug 14, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 296,100 3,470 0.0% 0.01% 33 +19,500 7.05% Q2 2026 Aug 13, 2026
MORGAN STANLEY History Reduced 279,971 3,281 0.0% 0.0% 34 -7,204 -2.51% Q2 2026 Aug 13, 2026
Qube Research & Technologies Ltd History Reduced 239,317 2,804 0.0% 0.01% 35 -691,625 -74.29% Q2 2026 Aug 14, 2026
CANNELL CAPITAL LLC History Added to 171,080 2,005 1.34% 1.28% 36 +14,931 9.56% Q2 2026 Aug 18, 2026
Bank of New York Mellon Corp History Added to 170,679 2,000 0.0% 0.0% 37 +134,123 366.9% Q2 2026 Aug 06, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History New 148,881 1,744 0.0% 38 +148,881 New Q2 2026 Aug 14, 2026
BOOTHBAY FUND MANAGEMENT, LLC History Added to 138,295 1,620 0.02% 0.01% 39 +59,618 75.78% Q2 2026 Aug 14, 2026
Nuveen, LLC History New 134,777 1,579 0.0% 40 +134,777 New Q2 2026 Aug 11, 2026
Swiss National Bank History Added to 117,100 1,372 0.0% 0.0% 41 +39,200 50.32% Q2 2026 Aug 11, 2026
Burkehill Global Management, LP History No change 100,000 1,172 0.04% 0.07% 42 0 0.0% Q2 2026 Aug 14, 2026
GSA CAPITAL PARTNERS LLP History New 98,911 1,159 0.07% 43 +98,911 New Q2 2026 Aug 06, 2026
Engineers Gate Manager LP History Added to 98,354 1,152 0.01% 0.01% 44 +54,338 123.45% Q2 2026 Aug 14, 2026
VANGUARD FIDUCIARY TRUST CO History Added to 92,404 1,082 0.0% 0.0% 45 +44,444 92.67% Q2 2026 Aug 13, 2026
WELLS FARGO & COMPANY/MN History Added to 85,940 1,007 0.0% 0.0% 46 +57,090 197.89% Q2 2026 Aug 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 80,519 943 0.0% 0.0% 47 -627,527 -88.63% Q2 2026 Aug 14, 2026
Militia Capital Management LLC History Reduced 80,000 937 0.03% 0.45% 48 -70,000 -46.67% Q2 2026 Aug 12, 2026
TIGER GLOBAL MANAGEMENT LLC History No change 75,000 879 0.0% 0.0% 49 0 0.0% Q2 2026 Aug 14, 2026
RHUMBLINE ADVISERS History New 69,883 819 0.0% 50 +69,883 New Q2 2026 Aug 11, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Added to 65,691 769 0.0% 0.0% 51 +30,719 87.84% Q2 2026 Aug 24, 2026
SEI INVESTMENTS CO History Reduced 65,141 763 0.0% 0.0% 52 -8,794 -11.89% Q2 2026 Aug 14, 2026
Woodline Partners LP History Reduced 57,554 674 0.0% 0.02% 53 -309,603 -84.32% Q2 2026 Aug 14, 2026
SummitTX Capital, L.P. History Reduced 56,584 663 0.02% 0.03% 54 -6,415 -10.18% Q2 2026 Aug 14, 2026
STATE OF WISCONSIN INVESTMENT BOARD History Reduced 52,843 619 0.0% 0.0% 55 -620 -1.16% Q2 2026 Aug 14, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History New 50,853 596 0.0% 56 +50,853 New Q2 2026 Aug 14, 2026
VANGUARD ASSET MANAGEMENT, Ltd History Added to 41,471 486 0.0% 0.0% 57 +14,615 54.42% Q2 2026 Aug 13, 2026
Jackson Creek Investment Advisors LLC History New 40,161 477 0.16% 58 +40,161 New Q2 2026 Aug 10, 2026
Squarepoint Ops LLC History Reduced 40,428 473 0.0% 0.0% 59 -172,363 -81.0% Q2 2026 Aug 14, 2026
Legal & General Group Plc History Added to 37,826 443 0.0% 0.0% 60 +18,659 97.35% Q2 2026 Aug 14, 2026
MetLife Investment Management, LLC History New 36,306 425 0.0% 61 +36,306 New Q2 2026 Aug 13, 2026
Invesco Ltd. History New 33,735 395 0.0% 62 +33,735 New Q2 2026 Aug 14, 2026
CITIGROUP INC History Added to 33,581 393 0.0% 0.0% 63 +29,748 776.1% Q2 2026 Aug 03, 2026
FORMULA GROWTH LTD History New 31,000 363 0.13% 64 +31,000 New Q2 2026 Aug 17, 2026
JONES FINANCIAL COMPANIES LLLP History Added to 25,329 348 0.0% 0.0% 65 +11,211 79.41% Q2 2026 Aug 14, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History Added to 28,594 335 0.0% 0.0% 66 +18,365 179.54% Q2 2026 Sep 09, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History New 28,023 328 0.0% 67 +28,023 New Q2 2026 Aug 14, 2026
JANUS HENDERSON GROUP PLC History No change 23,500 314 0.0% 0.0% 68 0 0.0% Q1 2026 May 18, 2026
NATIXIS ADVISORS, LLC History Added to 25,313 296 0.0% 0.0% 69 +9,843 63.63% Q2 2026 Aug 14, 2026
Diversified Trust Co History New 24,086 282 0.0% 70 +24,086 New Q2 2026 Jul 17, 2026
Jupiter Topco LLC History New 23,500 275 0.0% 71 +23,500 New Q2 2026 Aug 14, 2026
Yorktown Management & Research Co Inc History New 22,800 267 0.16% 72 +22,800 New Q2 2026 Jul 23, 2026
WINTON GROUP Ltd History Added to 22,000 257 0.01% 0.01% 73 +8,200 59.42% Q2 2026 Aug 07, 2026
NEW YORK STATE COMMON RETIREMENT FUND History New 21,400 250 0.0% 74 +21,400 New Q2 2026 Jul 29, 2026
BARCLAYS PLC History Reduced 20,631 241 0.0% 0.0% 75 -26,062 -55.82% Q2 2026 Aug 14, 2026
Graham Capital Management, L.P. History Added to 20,001 234 0.0% 0.0% 76 +6,379 46.83% Q2 2026 Aug 14, 2026
Police & Firemen's Retirement System of New Jersey History New 18,025 211 0.0% 77 +18,025 New Q2 2026 Jul 23, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 17,491 204 0.0% 0.0% 78 -107,577 -86.01% Q2 2026 Aug 14, 2026
Quadrature Capital Ltd History Reduced 16,341 191 0.0% 0.0% 79 -11,659 -41.64% Q2 2026 Aug 06, 2026
Arizona State Retirement System History Added to 16,108 188 0.0% 0.0% 80 +5,270 48.63% Q2 2026 Aug 07, 2026
PEAK6 LLC History New 15,200 178 0.0% 81 +15,200 New Q2 2026 Aug 12, 2026
Zurcher Kantonalbank (Zurich Cantonalbank) History Reduced 13,300 155 0.0% 0.0% 82 -19,000 -58.82% Q2 2026 Aug 11, 2026
KLP KAPITALFORVALTNING AS History Added to 13,200 154 0.0% 0.0% 83 +4,700 55.29% Q2 2026 Aug 12, 2026
Entropy Technologies, LP History Reduced 12,954 151 0.01% 0.01% 84 -4,955 -27.67% Q2 2026 Aug 13, 2026
Virtu Financial LLC History New 12,726 149 0.0% 85 +12,726 New Q2 2026 Aug 13, 2026
BNP Paribas Asset Management Holding S.A. History New 12,633 148 0.0% 86 +12,633 New Q2 2026 Aug 12, 2026
VOYA INVESTMENT MANAGEMENT LLC History New 12,297 144 0.0% 87 +12,297 New Q2 2026 Aug 12, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History New 12,245 143 0.0% 88 +12,245 New Q2 2026 Aug 13, 2026
SG Americas Securities, LLC History New 12,084 142 0.0% 89 +12,084 New Q2 2026 Aug 07, 2026
Magnetar Financial LLC History New 11,936 139 0.0% 90 +11,936 New Q2 2026 Aug 14, 2026
RAYMOND JAMES FINANCIAL INC History New 11,600 135 0.0% 91 +11,600 New Q2 2026 Aug 14, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History New 11,512 134 0.0% 92 +11,512 New Q2 2026 Aug 13, 2026
INTECH INVESTMENT MANAGEMENT LLC History New 11,390 133 0.0% 93 +11,390 New Q2 2026 Aug 10, 2026
TWO SIGMA INVESTMENTS, LP History New 11,079 129 0.0% 94 +11,079 New Q2 2026 Aug 14, 2026
State of Wyoming History Added to 10,943 128 0.01% 0.0% 95 +8,868 427.37% Q2 2026 Aug 06, 2026
Vanguard Investments Australia, Ltd. History No change 10,677 125 0.0% 0.0% 96 0 0.0% Q2 2026 Aug 13, 2026
ROYAL BANK OF CANADA History Added to 10,214 120 0.0% 0.0% 97 +2,485 32.15% Q2 2026 Aug 14, 2026
Pictet Asset Management Holding SA History New 10,163 119 0.0% 98 +10,163 New Q2 2026 Jul 30, 2026
PRUDENTIAL FINANCIAL INC History New 10,070 118 0.0% 99 +10,070 New Q2 2026 Aug 12, 2026
CWM, LLC History No change 6,666 89 0.0% 0.0% 100 0 0.0% Q1 2026 May 14, 2026
Caitong International Asset Management Co., Ltd History Added to 6,873 80 0.01% 0.0% 101 +6,730 4706.29% Q2 2026 Aug 04, 2026
Ameritas Investment Partners, Inc. History New 5,547 65 0.0% 102 +5,547 New Q2 2026 Aug 13, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Reduced 5,411 63 0.0% 0.0% 103 -746 -12.12% Q2 2026 Aug 07, 2026
Russell Investments Group, Ltd. History New 4,889 57 0.0% 104 +4,889 New Q2 2026 Aug 06, 2026
Tower Research Capital LLC (TRC) History Reduced 3,400 39 0.0% 0.0% 105 -7,992 -70.15% Q2 2026 Aug 11, 2026
SIMPLEX TRADING, LLC History Added to 2,654 31 0.0% 0.0% 106 +2,096 375.63% Q2 2026 Aug 12, 2026
GROUP ONE TRADING LLC History New 1,200 14 0.0% 107 +1,200 New Q2 2026 Aug 13, 2026
Federation des caisses Desjardins du Quebec History No change 750 8 0.0% 0.0% 108 0 0.0% Q2 2026 Aug 13, 2026
Parallel Advisors, LLC History No change 666 7 0.0% 0.0% 109 0 0.0% Q2 2026 Aug 05, 2026
FIRST HORIZON CORP History Reduced 513 6 0.0% 0.0% 110 -164 -24.22% Q2 2026 Jul 20, 2026
Sterling Capital Management LLC History New 293 3 0.0% 111 +293 New Q2 2026 Jul 28, 2026
OSAIC HOLDINGS, INC. History Reduced 254 2 0.0% 0.0% 112 -3,244 -92.74% Q2 2026 Aug 14, 2026
Quarry LP History New 143 1 0.0% 116 +143 New Q2 2026 Aug 14, 2026
GAMMA Investing LLC History Added to 160 1 0.0% 115 +91 131.88% Q2 2026 Jul 07, 2026
Farther Finance Advisors, LLC History Added to 170 1 0.0% 0.0% 114 +46 37.1% Q2 2026 Jul 17, 2026
NATIONAL BANK OF CANADA /FI/ History Reduced 140 1 0.0% 0.0% 113 -4 -2.78% Q2 2026 Aug 10, 2026
BAMCO INC /NY/ History Closed out 0 0 0.05% -1,208,794 -100.0% Q2 2026 Aug 14, 2026
T. Rowe Price Investment Management, Inc. History Closed out 0 0 0.01% -975,936 -100.0% Q2 2026 Aug 14, 2026
SEVEN GRAND MANAGERS, LLC History Closed out 0 0 0.18% -200,000 -100.0% Q2 2026 Aug 14, 2026
Point72 Asset Management, L.P. History Closed out 0 0 0.0% -166,692 -100.0% Q2 2026 Aug 14, 2026
Trexquant Investment LP History Closed out 0 0 0.01% -149,119 -100.0% Q2 2026 Aug 14, 2026
Robertson Opportunity Capital, LLC History Closed out 0 0 0.69% -135,012 -100.0% Q2 2026 Aug 13, 2026
Schonfeld Strategic Advisors LLC History Closed out 0 0 0.01% -113,795 -100.0% Q2 2026 Aug 14, 2026
Jain Global LLC History Closed out 0 0 0.0% -86,418 -100.0% Q2 2026 Aug 14, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History Closed out 0 0 0.0% -82,680 -100.0% Q2 2026 Aug 13, 2026
Hudson Bay Capital Management LP History Closed out 0 0 0.0% -55,276 -100.0% Q2 2026 Aug 14, 2026
Brevan Howard Capital Management LP History Closed out 0 0 0.01% -54,416 -100.0% Q2 2026 Aug 14, 2026
Interval Partners, LP History Closed out 0 0 0.02% -49,534 -100.0% Q2 2026 Aug 14, 2026
Jump Financial, LLC History Closed out 0 0 0.01% -44,005 -100.0% Q2 2026 Aug 13, 2026
Grandeur Peak Global Advisors, LLC History Closed out 0 0 0.12% -39,573 -100.0% Q2 2026 Aug 17, 2026
Jefferies Financial Group Inc. History Closed out 0 0 0.0% -39,178 -100.0% Q2 2026 Aug 17, 2026
Aquatic Capital Management LLC History Closed out 0 0 0.01% -37,435 -100.0% Q2 2026 Aug 14, 2026
Catalyst Funds Management Pty Ltd History Closed out 0 0 0.08% -34,900 -100.0% Q2 2026 Aug 10, 2026
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. History Closed out 0 0 0.02% -26,768 -100.0% Q2 2026 Aug 11, 2026
Centiva Capital, LP History Closed out 0 0 0.0% -20,443 -100.0% Q2 2026 Aug 13, 2026
Man Group plc History Closed out 0 0 0.0% -14,144 -100.0% Q2 2026 Aug 14, 2026
LMR Partners LLP History Closed out 0 0 0.0% -11,672 -100.0% Q2 2026 Aug 14, 2026
Arcus Capital Partners, LLC History Closed out 0 0 0.05% -10,100 -100.0% Q2 2026 Aug 14, 2026
WESBANCO BANK INC History Closed out 0 0 0.0% -10,000 -100.0% Q2 2026 Jul 28, 2026
Rachor Investment Advisory Services, LLC History Closed out 0 0 0.0% -209 -100.0% Q2 2026 Jul 16, 2026
SJS Investment Consulting Inc. History Closed out 0 0 0.0% -164 -100.0% Q2 2026 Jul 22, 2026
ROTHSCHILD INVESTMENT LLC History New 50 0 +50 New Q2 2026 Aug 06, 2026
EverSource Wealth Advisors, LLC History New 48 0 +48 New Q2 2026 Jul 24, 2026
MAI Capital Management History Closed out 0 0 -27 -100.0% Q2 2026 Aug 14, 2026
SBI Securities Co., Ltd. History Reduced 1 0 -20 -95.24% Q2 2026 Jul 22, 2026
Rakuten Securities, Inc. History No change 1 0 0 0.0% Q2 2026 Aug 11, 2026