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Disclosery

ARX ACCELERANT HOLDINGS

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COMMON STOCK (common), issuer CIK 1997350

112 managers (116 13F filers) reported a position in ARX shares at 2026-06-30, 64,484,068 shares in all. 36 filers opened a position and 26 filers sold out during the quarter.

Managers
112
13F filers
116
New
36
Added
42
Reduced
27
Sold out
26
Shares held by filers
64,484,068

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
SECURITY BENEFIT LIFE INSURANCE CO /KS/in group SECURITY BENEFIT LIFE INSURAN…5,866,257$68.8M37.88%013F-HR/ATimelineGroup
FMR LLCin group FMR LLC5,628,679$66M<0.01%+3,816,47213F-HRTimelineGroup
Capital World Investors4,626,664$54.2M0.01%-526,07713F-HRTimeline
VANGUARD GROUP INCgroup of 5 filers holding4,220,079$49.5M+82,083Timeline
Keenan Capital, LLC3,992,923$46.8M9.25%013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC3,877,619$45.4M0.02%+689,11413F-HRTimelineGroup
GILDER GAGNON HOWE & CO LLC3,732,024$43.7M0.45%-11,34013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.3,496,273$41M<0.01%+3,330,70913F-HRTimelineGroup
BARINGS LLCin group BARINGS LLC3,128,867$37.6M0.67%013F-HRTimelineGroup
Azora Capital LP3,049,846$35.7M1.51%+1,069,63513F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO2,176,807$27.5M<0.01%+156,43913F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC2,013,582$23.6M<0.01%+1,971,91313F-HRTimelineGroup
Cresset Asset Management, LLC1,839,620$21.6M0.08%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC1,747,985$20.5M0.01%+603,77913F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.1,447,153$19.3M0.01%-1,353,03513F-HRTimeline
Owls Nest Partners IA, LLC1,251,884$14.7M4.76%+1,042,17713F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP1,109,675$13M0.01%-1,164,47713F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC952,066$11.2M0.01%+91,36913F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP900,775$10.6M<0.01%+863,46913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC809,620$9.49M<0.01%new13F-HRTimelineGroup
G2 Investment Partners Management LLC640,000$7.5M1.37%+267,18913F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/603,858$7.08M<0.01%+423,67213F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding554,448$6.5M-213,879Timeline
Walleye Capital LLCin group Walleye Capital LLC541,257$6.34M0.03%new13F-HRTimelineGroup
Lighthouse Investment Partners, LLCin group Lighthouse Investment Partner…488,152$5.72M0.18%+402,74613F-HRTimelineGroup
ArrowMark Colorado Holdings LLC477,208$5.59M0.23%-1,071,01613F-HRTimeline
PANAGORA ASSET MANAGEMENT INC408,931$4.79M0.01%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS372,813$4.37M<0.01%+67,56913F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP369,625$4.33M<0.01%+353,20613F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd322,417$3.78M0.05%+84,74813F-HRTimelineGroup
Holocene Advisors, LP300,000$3.52M0.01%new13F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC296,100$3.47M<0.01%+19,50013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY279,971$3.28M<0.01%-7,20413F-HRTimelineGroup
Qube Research & Technologies Ltd239,317$2.8M<0.01%-691,62513F-HRTimeline
CANNELL CAPITAL LLC171,080$2.01M1.4%+14,93113F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp170,679$2M<0.01%+134,12313F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co148,881$1.74M<0.01%new13F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC138,295$1.62M0.03%+59,61813F-HRTimeline
Nuveen, LLCin group TIAA134,777$1.58M<0.01%new13F-HRTimelineGroup
Swiss National Bank117,100$1.37M<0.01%+39,20013F-HRTimeline
Burkehill Global Management, LP100,000$1.17M0.04%013F-HRTimeline
GSA CAPITAL PARTNERS LLP98,911$1.16M0.07%new13F-HRTimeline
Engineers Gate Manager LP98,354$1.15M0.01%+54,33813F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN85,940$1.01M<0.01%+57,09013F-HRTimelineGroup
Militia Capital Management LLCin group Militia Capital Management LLC80,000$938K0.17%-70,00013F-HRTimelineGroup
TIGER GLOBAL MANAGEMENT LLC75,000$879K<0.01%013F-HRTimeline
RHUMBLINE ADVISERS69,883$819K<0.01%new13F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…69,019$809K<0.01%-639,02713F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…65,691$770K<0.01%+30,71913F-HR/ATimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO65,141$763K<0.01%-8,79413F-HRTimelineGroup
Woodline Partners LP57,554$675K<0.01%-309,60313F-HRTimeline
SummitTX Capital, L.P.56,584$663K0.02%-6,41513F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD52,843$619K<0.01%-62013F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/50,853$596K<0.01%new13F-HRTimeline
Jackson Creek Investment Advisors LLC40,161$477K0.16%new13F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC40,428$474K<0.01%-172,36313F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc37,826$443K<0.01%+18,65913F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…36,306$426K<0.01%new13F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.33,735$395K<0.01%new13F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC33,581$394K<0.01%+29,74813F-HRTimelineGroup
FORMULA GROWTH LTD31,000$363K0.13%new13F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP25,329$348K<0.01%+11,21113F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …28,594$335K<0.01%+18,36513F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…28,023$328K<0.01%new13F-HRTimelineGroup
NATIXIS ADVISORS, LLCin group Natixis Investment Managers25,313$296K<0.01%+9,84313F-HRTimelineGroup
DIVERSIFIED TRUST CO24,086$282K<0.01%new13F-HRTimeline
Jupiter Topco LLCin group Janus Henderson23,500$276K<0.01%13F-HRTimelineGroup
Yorktown Management & Research Co Inc22,800$267K0.16%new13F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd22,000$258K0.01%+8,20013F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND21,400$251K<0.01%new13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC20,631$242K<0.01%-26,06213F-HRTimelineGroup
Graham Capital Management, L.P.20,001$234K0.01%+6,37913F-HRTimeline
Police & Firemen's Retirement System of…18,025$211K<0.01%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC17,491$205K<0.01%-107,57713F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd16,341$192K<0.01%-11,65913F-HRTimelineGroup
ARIZONA STATE RETIREMENT SYSTEM16,108$189K<0.01%+5,27013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…13,300$156K<0.01%-19,00013F-HRTimeline
KLP KAPITALFORVALTNING AS13,200$155K<0.01%+4,70013F-HRTimeline
Entropy Technologies, LP12,954$152K0.01%-4,95513F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC12,726$149K<0.01%new13F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …12,633$148K<0.01%new13F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC12,297$144K<0.01%new13F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC12,245$144K<0.01%new13F-HRTimeline
SG Americas Securities, LLC12,084$142K<0.01%new13F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC11,936$140K<0.01%new13F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC11,600$136K<0.01%new13F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …11,512$135K<0.01%new13F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC11,390$133K<0.01%new13F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP11,079$130K<0.01%new13F-HRTimelineGroup
State of Wyoming10,943$128K0.01%+8,86813F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA10,214$120K<0.01%+2,48513F-HRTimelineGroup
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…10,163$119K<0.01%new13F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC10,070$118K<0.01%new13F-HRTimelineGroup
Caitong International Asset Management …6,873$80.6K0.01%+6,73013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…5,547$65K<0.01%new13F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…5,411$63.4K<0.01%-74613F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…4,889$57.3K<0.01%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…3,400$39.8K<0.01%-7,99213F-HRTimelineGroup
SIMPLEX TRADING, LLC2,654$31.1K<0.01%+2,09613F-HRTimeline
Federation des caisses Desjardins du Qu…750$8.79K<0.01%013F-HRTimeline
Parallel Advisors, LLC666$7.81K<0.01%013F-HRTimeline
FIRST HORIZON CORP513$6.01K<0.01%-16413F-HRTimeline
Sterling Capital Management LLC293$3.25K<0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.254$2.98K<0.01%-3,24413F-HRTimelineGroup
Farther Finance Advisors, LLC170$1.99K<0.01%+4613F-HRTimeline
GAMMA Investing LLC160$1.88K<0.01%+9113F-HRTimeline
Quarry LP143$1.68K<0.01%new13F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/140$1.64K<0.01%-413F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC50$586<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…48$563<0.01%new13F-HRTimelineGroup
SBI Securities Co., Ltd.1$12<0.01%-2013F-HRTimeline
Rakuten Securities, Inc.in group Rakuten Group, Inc.1$12<0.01%013F-HRTimelineGroup

Events

  • GLAZER CAPITAL, LLC and 1 other reporting person reported 5,969,101 ARX shares, 5% of the class, as of 2026-09-23, in a 13G filed 2026-09-30. 0001076809-26-000110

    Accepted , ingested