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Accelerant Holdings

ARX
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
SEC CIK
0001997350

In the last 90 days, Accelerant Holdings insiders filed 0 open-market purchases and 12 sales; 116 institutions reported holding it in 13F filings for Q2 2026, worth $761.1M in total; Tiger Global Management is the only superinvestor holding it.

13F holders, Q4 2025

Institutional positions in Accelerant Holdings as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
98
+12 vs. Q3 2025
Shares held
50.1M
+890.9K (+1.8%) vs. Q3 2025
Total value
$809.4M
+$82.5M (+11.3%) vs. Q3 2025
New holders
38
25 more added
Sold out
26
27 more reduced

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ARX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 98 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 88 institutionsQ4 2025: 98 institutionsQ1 2026: 107 institutionsQ2 2026: 116 institutions
Value heldQ4 2025: $809.4M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $728.0MQ4 2025: $809.4MQ1 2026: $755.0MQ2 2026: $761.1M
Institutions holding ARX and their total value by quarter
QuarterHoldersValue
Q2 2026116$761.1M
Q1 2026107$755.0M
Q4 202598$809.4M
Q3 202588$728.0M
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Accelerant Holdings; share changes are against Q3 2025.

Institutions holding ARX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Rakuten Securities, Inc.1$160.00%00.0%Unchanged
GAMMA Investing LLC9$1470.00%+9New
Jones Financial Companies LLLP18$2940.00%+18New
MAI Capital Management57$9320.00%+57New
Tower Research Capital LLC (TRC)93$1.52K0.00%−1,775−95.0%Reduced
SBI Securities Co., Ltd.101$1.65K0.00%−66−39.5%Reduced
Steward Partners Investment Advisory, LLC119$1.95K0.00%−216−64.5%Reduced
Rachor Investment Advisory Services, LLC135$2.21K0.00%+135New
National Bank of Canada144$2.35K0.00%+144New
Farther Finance Advisors, LLC154$2.52K0.00%+154New
Advisor Group Holdings, Inc.398$6.51K0.00%+273+218.4%Added
HM Payson & Co419$6.85K0.00%+419New
First Horizon Corp645$10.5K0.00%+351+119.4%Added
Parallel Advisors, LLC666$10.9K0.00%+666New
Simplex Trading, LLC1,564$25.6K0.00%+1,564New
Quarry LP1,611$26.3K0.00%−1,086−40.3%Reduced
The PNC Financial Services Group, Inc.3,546$58.0K0.00%+722+25.6%Added
Acadian Asset Management LLC5,016$82.0K0.00%+5,016New
Citigroup Inc5,080$83.1K0.00%+5,080New
Royal Bank of Canada5,144$84.0K0.00%−145,556−96.6%Reduced
Ancora Advisors, LLC5,300$86.7K0.00%+5,300New
CWM, LLC6,666$109.0K0.00%+6,666New
KLP Kapitalforvaltning AS8,500$139.0K0.00%+8,500New
Wesbanco Bank Inc10,000$163.5K0.00%+10,000New
Envestnet Asset Management Inc10,292$168.3K0.00%−782−7.1%Reduced
Barclays PLC10,375$169.6K0.00%+10,375New
Arizona State Retirement System10,855$177.5K0.00%+10,855New
Landscape Capital Management, L.L.C.12,888$210.7K0.01%+12,888New
Northern Trust Corp14,819$242.3K0.00%+14,819New
Quantbot Technologies LP16,398$268.1K0.01%+16,398New
Quadrature Capital Ltd16,563$270.8K0.00%−54,196−76.6%Reduced
FJ Capital Management LLC17,973$293.9K0.03%+17,973New
Crestwood Capital Management, L.P.20,000$327.0K0.21%00.0%Unchanged
Natixis Advisors, L.P.23,347$382.0K0.00%+23,347New
Janus Henderson Group PLC23,500$384.1K0.00%−519,784−95.7%Reduced
Gsa Capital Partners LLP23,518$385.0K0.03%+23,518New
PharVision Advisers, LLC23,839$389.8K0.20%+7,566+46.5%Added
State of Wisconsin Investment Board25,269$413.1K0.00%+25,269New
Boothbay Fund Management, LLC26,000$425.1K0.01%+26,000New
Legal & General Group Plc30,271$494.9K0.00%+20,271+202.7%Added
Hudson Bay Capital Management LP32,250$527.3K0.00%−52,048−61.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)32,300$528.1K0.00%+32,300New
State Street Corp33,554$548.6K0.00%+33,554New
D. E. Shaw & Co., Inc.34,694$567.2K0.00%−121,777−77.8%Reduced
California State Teachers Retirement System34,972$571.8K0.00%+34,972New
BNP Paribas Arbitrage, SA35,778$585.0K0.00%+35,778New
SEI Investments Co37,902$619.7K0.00%+7,972+26.6%Added
Jefferies Financial Group Inc.44,980$735.4K0.01%+34,980+349.8%Added
Jain Global LLC50,234$821.3K0.01%−149,766−74.9%Reduced
SummitTX Capital, L.P.56,780$928.4K0.03%+24,860+77.9%Added
Schonfeld Strategic Advisors LLC57,211$935.4K0.00%−99,451−63.5%Reduced
Yorktown Management & Research Co Inc59,300$969.6K0.78%+59,300New
UBS Asset Management Americas Inc59,414$971.4K0.00%+59,414New
Renaissance Technologies LLC72,700$1.19M0.00%+72,700New
Tiger Global Management LLCSuperinvestorTiger Global Management75,000$1.23M0.00%00.0%Unchanged
Swiss National Bank77,900$1.27M0.00%+77,900New
G2 Investment Partners Management LLC93,341$1.53M0.36%+93,341New
Ghisallo Capital Management LLC100,000$1.64M0.07%−325,000−76.5%Reduced
Burkehill Global Management, LP100,000$1.64M0.11%00.0%Unchanged
XTX Topco Ltd106,248$1.74M0.05%+42,383+66.4%Added
Morgan Stanley108,230$1.77M0.00%+18,131+20.1%Added
Walleye Capital LLC125,880$2.06M0.01%−173,920−58.0%Reduced
Centiva Capital, LP127,605$2.09M0.13%−23,428−15.5%Reduced
Healthcare of Ontario Pension Plan Trust Fund150,000$2.45M0.00%00.0%Unchanged
Neuberger Berman Group LLC160,047$2.62M0.00%−586,070−78.5%Reduced
Interval Partners, LP169,348$2.77M0.06%−47,662−22.0%Reduced
Lykos Global Management, LP175,000$2.86M2.02%+175,000New
Counterpoint Mutual Funds LLC175,967$2.88M0.21%+175,967New
Teacher Retirement System of Texas176,043$2.88M0.01%+1,043+0.6%Added
Millennium Management LLC181,647$2.97M0.00%−690,433−79.2%Reduced
Woodline Partners LP197,312$3.23M0.01%+51,899+35.7%Added
Lighthouse Investment Partners, LLC198,850$3.25M0.11%+26,539+15.4%Added
Squarepoint Ops LLC199,070$3.25M0.01%−30,825−13.4%Reduced
Seven Grand Managers, LLC200,000$3.27M0.25%00.0%Unchanged
BlackRock, Inc.247,656$4.05M0.00%−2,059,045−89.3%Reduced
Goldman Sachs Group Inc302,626$4.95M0.00%+208,279+220.8%Added
Bank of America Corp335,739$5.49M0.00%−174,641−34.2%Reduced
Marshall Wace, LLP348,147$5.69M0.01%+242,932+230.9%Added
Fred Alger Management, LLC439,698$7.19M0.03%−81,217−15.6%Reduced
UBS Group AG535,637$8.76M0.00%+411,612+331.9%Added
Norges Bank665,076$10.9M0.00%+665,076New
Citadel Advisors LLC715,452$11.7M0.01%−206,635−22.4%Reduced
T. Rowe Price Investment Management, Inc.976,086$16.0M0.01%−1,379,715−58.6%Reduced
Bamco Inc1,209,114$19.8M0.05%−9,195−0.8%Reduced
American Century Companies Inc1,528,451$25.0M0.01%+615,626+67.4%Added
Grandeur Peak Global Advisors, LLC1,621,022$26.5M3.57%+675,093+71.4%Added
ArrowMark Colorado Holdings LLC1,644,013$26.9M0.59%+612,409+59.4%Added
FMR LLC1,788,135$29.2M0.00%+1,229,490+220.1%Added
JPMorgan Chase & Co1,952,996$31.9M0.00%+342,133+21.2%Added
Vanguard Group Inc2,235,136$36.5M0.00%−13,471−0.6%Reduced
Azora Capital LP2,439,094$39.9M2.51%+1,811,976+288.9%Added
Barings LLC3,128,867$41.9M0.77%00.0%Unchanged
Balyasny Asset Management LLC2,733,595$44.7M0.08%+714,811+35.4%Added
Alliancebernstein L.P.2,846,468$46.5M0.01%+57,384+2.1%Added
Keenan Capital, LLC3,139,980$51.3M9.35%+3,139,980New
Gilder Gagnon Howe & Co LLC3,703,078$60.5M0.64%−195,194−5.0%Reduced
Capital World Investors5,767,631$94.3M0.01%+14,381+0.2%Added
Security Benefit Life Insurance Co5,866,257$95.9M39.61%00.0%Unchanged
Driehaus Capital Management LLC0$00.00%−1,011,940−100.0%Sold out
Journey Advisory Group, LLC0$00.00%−432,526−100.0%Sold out