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ARX

Accelerant Holdings
$12.72 -0.35 (-2.68%) At close · Jul 9
Market Cap
$2.74B
Shares
218,201,340

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 106
Total Value: $714,675,709
Total Shares: 53,493,715
Showing 1–100 of 107 holdings by value · page 1 of 2

Institutional Ownership Trend

4 quarters

Superinvestors Holding ARX

All superinvestors →
Chase Coleman $1,002,000

Holder Concentration

Across 106 13F filers
Top Holder
11.0%
Sep 2025 → Mar 2026 · range 11.0% – 11.9%
of institutional value
Top 5
41.0%
Sep 2025 → Mar 2026 · range 41.0% – 43.4%
of institutional value
Top 10
63.8%
Sep 2025 → Mar 2026 · range 63.8% – 67.5%
of institutional value
HHI
532
Sep 2025 → Mar 2026 · range 532 – 586
Broadly held
Showing 100 of 107
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Micro SECURITY BENEFIT LIFE INSURANCE CO /KS/ Insurance $78,373,193 10.97% 5,866,257
Mega Capital World Investors $68,840,619 9.63% 5,152,741
Small Keenan Capital, LLC $53,345,451 7.46% 3,992,923
Mid GILDER GAGNON HOWE & CO LLC $50,011,343 7.00% 3,743,364
Mega AMERICAN CENTURY COMPANIES INC $42,598,426 5.96% 3,188,505
Mid BARINGS LLC $41,801,663 5.85% 3,128,867
Mega ALLIANCEBERNSTEIN L.P. $37,410,511 5.23% 2,800,188
Large MARSHALL WACE, LLP $30,382,670 4.25% 2,274,152
Mega JPMORGAN CHASE & CO $26,992,115 3.78% 2,020,368
Mid Azora Capital LP $26,455,618 3.70% 1,980,211
Mega VANGUARD CAPITAL MANAGEMENT LLC $25,904,211 3.62% 1,938,938
Large Cresset Asset Management, LLC $24,577,323 3.44% 1,839,620
Mega FMR LLC $24,211,084 3.39% 1,812,207
Mid ArrowMark Colorado Holdings LLC $20,684,272 2.89% 1,548,224
Large BAMCO INC /NY/ $16,149,487 2.26% 1,208,794
Mega CITADEL ADVISORS LLC $15,286,591 2.14% 1,144,206
Mega T. Rowe Price Investment Management, Inc. $13,038,504 1.82% 975,936
Large Qube Research & Technologies Ltd $12,437,385 1.74% 930,942
Mega JANE STREET GROUP, LLC $11,498,911 1.61% 860,697
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $9,459,494 1.32% 708,046
Mega UBS Group AG $9,160,243 1.28% 685,647
Small G2 Investment Partners Management LLC $4,980,754 0.70% 372,811
Large Woodline Partners LP $4,905,217 0.69% 367,157
Mega BNP PARIBAS ARBITRAGE, SA $4,078,059 0.57% 305,244
Mega MORGAN STANLEY $3,836,657 0.54% 287,175
Large RENAISSANCE TECHNOLOGIES LLC $3,695,376 0.52% 276,600
Mid XTX Topco Ltd $3,175,257 0.44% 237,669
Large Squarepoint Ops LLC $2,842,887 0.40% 212,791
Small Owls Nest Partners IA, LLC $2,801,685 0.39% 209,707
Mid SEVEN GRAND MANAGERS, LLC $2,672,000 0.37% 200,000
Mega BANK OF AMERICA CORP /DE/ Bank $2,407,284 0.34% 180,186
Large Point72 Asset Management, L.P. $2,227,005 0.31% 166,692
Mega BlackRock, Inc. $2,211,932 0.31% 165,564
Small CANNELL CAPITAL LLC $2,086,150 0.29% 156,149
Small Militia Capital Management LLC $2,004,000 0.28% 150,000
Large Trexquant Investment LP $1,992,229 0.28% 149,119
Small Robertson Opportunity Capital, LLC $1,803,760 0.25% 135,012
Mega MILLENNIUM MANAGEMENT LLC $1,670,908 0.23% 125,068
Large Schonfeld Strategic Advisors LLC $1,520,301 0.21% 113,795
Mid Burkehill Global Management, LP $1,336,000 0.19% 100,000
Large Jain Global LLC $1,154,544 0.16% 86,418
Mid Lighthouse Investment Partners, LLC $1,141,024 0.16% 85,406
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,104,604 0.15% 82,680
Mid BOOTHBAY FUND MANAGEMENT, LLC $1,051,124 0.15% 78,677
Mega Swiss National Bank Bank $1,040,744 0.15% 77,900
Large TIGER GLOBAL MANAGEMENT LLC $1,002,000 0.14% 75,000
Large SEI INVESTMENTS CO $987,771 0.14% 73,935
Mid SummitTX Capital, L.P. $841,666 0.12% 62,999
Large Hudson Bay Capital Management LP $738,487 0.10% 55,276
Mid Brevan Howard Capital Management LP $726,997 0.10% 54,416
Large STATE OF WISCONSIN INVESTMENT BOARD $714,265 0.10% 53,463
Mid Interval Partners, LP $661,774 0.09% 49,534
Mega VANGUARD FIDUCIARY TRUST CO Bank $640,745 0.09% 47,960
Mega BARCLAYS PLC $623,817 0.09% 46,693
Mid Engineers Gate Manager LP $588,053 0.08% 44,016
Mid Jump Financial, LLC $587,906 0.08% 44,005
Mega GOLDMAN SACHS GROUP INC $556,697 0.08% 41,669
Small Grandeur Peak Global Advisors, LLC $528,695 0.07% 39,573
Large Jefferies Financial Group Inc. $523,418 0.07% 39,178
Mid Aquatic Capital Management LLC $500,131 0.07% 37,435
Mega STATE STREET CORP $498,408 0.07% 37,306
Mega Bank of New York Mellon Corp Bank $488,387 0.07% 36,556
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $467,225 0.07% 34,972
Small Catalyst Funds Management Pty Ltd $466,264 0.07% 34,900
Mega CITADEL ADVISORS LLC $451,568 0.06% 33,800
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $431,528 0.06% 32,300
Mega WELLS FARGO & COMPANY/MN $385,436 0.05% 28,850
Mid Quadrature Capital Ltd $374,080 0.05% 28,000
Mega VANGUARD ASSET MANAGEMENT, Ltd $358,796 0.05% 26,856
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $357,619 0.05% 26,768
Mega JANUS HENDERSON GROUP PLC $313,960 0.04% 23,500
Large Centiva Capital, LP $273,118 0.04% 20,443
Mega Legal & General Group Plc $256,070 0.04% 19,167
Mid Entropy Technologies, LP $239,264 0.03% 17,909
Mega NORTHERN TRUST CORP Bank $219,357 0.03% 16,419
Large NATIXIS ADVISORS, LLC $206,679 0.03% 15,470
Large Man Group plc $188,963 0.03% 14,144
Large JONES FINANCIAL COMPANIES LLLP $188,616 0.03% 14,118
Mid WINTON GROUP Ltd $184,368 0.03% 13,800
Mid Graham Capital Management, L.P. $181,989 0.03% 13,622
Large LMR Partners LLP $155,937 0.02% 11,672
Mid Tower Research Capital LLC (TRC) $152,197 0.02% 11,392
Large ARIZONA STATE RETIREMENT SYSTEM Pension $144,795 0.02% 10,838
Large Vanguard Investments Australia, Ltd. $142,644 0.02% 10,677
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $136,659 0.02% 10,229
Small Arcus Capital Partners, LLC $134,936 0.02% 10,100
Mid WESBANCO BANK INC Bank $133,600 0.02% 10,000
Large KLP KAPITALFORVALTNING AS $113,560 0.02% 8,500
Mega ROYAL BANK OF CANADA Bank $103,258 0.01% 7,729
Large CWM, LLC $89,057 0.01% 6,666
Mega PNC FINANCIAL SERVICES GROUP, INC. $82,256 0.01% 6,157
Mega CITIGROUP INC $51,208 0.01% 3,833
Large OSAIC HOLDINGS, INC. $46,733 0.01% 3,498
Small State of Wyoming $27,722 0.00% 2,075
Large Federation des caisses Desjardins du Quebec $10,020 0.00% 750
Mid FIRST HORIZON CORP $9,044 0.00% 677
Mid Parallel Advisors, LLC $8,897 0.00% 666
Mid SIMPLEX TRADING, LLC $7,454 0.00% 558
Micro Rachor Investment Advisory Services, LLC $2,792 0.00% 209
Small SJS Investment Consulting Inc. $2,191 0.00% 164
Key facts CIK 1997350 CUSIP G00894108 13F (30d) 1 filings 1 filers Visit website Investor relations

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