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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, Q3 2025

Institutional positions in Accelerant Holdings as of Sep 30, 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
88
+88 vs. Q2 2025
Shares held
49.2M
+49.2M vs. Q2 2025
Total value
$728.0M
+$728.0M vs. Q2 2025
New holders
88
0 more added
Sold out
0
0 more reduced

Compare with Q2 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 holdersQ3 2025: 88 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 heldQ3 2025: $728.0M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Accelerant Holdings; share changes are against Q2 2025.

Institutions holding ARX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Capital World Investors5,753,250$85.7M0.01%+5,753,250New
Security Benefit Life Insurance Co5,866,257$80.8M32.51%+5,866,257New
Gilder Gagnon Howe & Co LLC3,898,272$58.0M0.59%+3,898,272New
Barings LLC3,128,867$46.4M0.88%+3,128,867New
Alliancebernstein L.P.2,789,084$41.5M0.01%+2,789,084New
T. Rowe Price Investment Management, Inc.2,355,801$35.1M0.02%+2,355,801New
BlackRock, Inc.2,306,701$34.3M0.00%+2,306,701New
Vanguard Group Inc2,248,607$33.5M0.00%+2,248,607New
Balyasny Asset Management LLC2,018,784$30.1M0.06%+2,018,784New
JPMorgan Chase & Co1,610,863$24.0M0.00%+1,610,863New
Bamco Inc1,218,309$18.1M0.05%+1,218,309New
ArrowMark Colorado Holdings LLC1,031,604$15.4M0.29%+1,031,604New
Driehaus Capital Management LLC1,011,940$15.1M0.11%+1,011,940New
Grandeur Peak Global Advisors, LLC945,929$14.1M1.89%+945,929New
Citadel Advisors LLC922,087$13.7M0.01%+922,087New
American Century Companies Inc912,825$13.6M0.01%+912,825New
Millennium Management LLC872,080$13.0M0.01%+872,080New
Neuberger Berman Group LLC746,117$11.1M0.01%+746,117New
Azora Capital LP627,118$9.34M0.43%+627,118New
FMR LLC558,645$8.32M0.00%+558,645New
Janus Henderson Group PLC543,284$8.09M0.00%+543,284New
Journey Advisory Group, LLC432,526$7.89M0.58%+432,526New
Fred Alger Management, LLC520,915$7.76M0.03%+520,915New
Bank of America Corp510,380$7.60M0.00%+510,380New
Ghisallo Capital Management LLC425,000$6.33M0.21%+425,000New
CenterBook Partners LP382,645$5.70M0.28%+382,645New
Dragoneer Investment Group, LLC336,361$5.01M0.11%+336,361New
Walleye Capital LLC299,800$4.46M0.04%+299,800New
Verition Fund Management LLC272,240$4.05M0.02%+272,240New
LMR Partners LLP260,000$3.87M0.05%+260,000New
Squarepoint Ops LLC229,895$3.42M0.01%+229,895New
Soros Fund Management LLCSuperinvestorSoros Fund Management225,000$3.35M0.05%+225,000New
Interval Partners, LP217,010$3.23M0.07%+217,010New
Davidson Kempner Capital Management LP208,600$3.11M0.04%+208,600New
Blackstone Group Inc.200,000$2.98M0.01%+200,000New
Seven Grand Managers, LLC200,000$2.98M0.24%+200,000New
Jain Global LLC200,000$2.98M0.04%+200,000New
Teacher Retirement System of Texas175,000$2.61M0.01%+175,000New
Lighthouse Investment Partners, LLC172,311$2.57M0.09%+172,311New
Schonfeld Strategic Advisors LLC156,662$2.33M0.02%+156,662New
D. E. Shaw & Co., Inc.156,471$2.33M0.00%+156,471New
Centiva Capital, LP151,033$2.25M0.21%+151,033New
Royal Bank of Canada150,700$2.24M0.00%+150,700New
Healthcare of Ontario Pension Plan Trust Fund150,000$2.23M0.00%+150,000New
Woodline Partners LP145,413$2.17M0.01%+145,413New
UBS Group AG124,025$1.85M0.00%+124,025New
Marshall Wace, LLP105,215$1.57M0.00%+105,215New
Burkehill Global Management, LP100,000$1.49M0.08%+100,000New
Goldman Sachs Group Inc94,347$1.40M0.00%+94,347New
Pembroke Management, LTD93,785$1.40M0.14%+93,785New
Morgan Stanley90,099$1.34M0.00%+90,099New
Hudson Bay Capital Management LP84,298$1.26M0.01%+84,298New
Point72 Asset Management, L.P.76,300$1.14M0.00%+76,300New
Tiger Global Management LLCSuperinvestorTiger Global Management75,000$1.12M0.00%+75,000New
Tudor Investment Corp Et Al72,173$1.07M0.01%+72,173New
Allianz Asset Management GmbH71,399$1.06M0.00%+71,399New
Quadrature Capital Ltd70,759$1.05M0.01%+70,759New
Cubist Systematic Strategies, LLC66,391$988.6K0.01%+66,391New
XTX Topco Ltd63,865$951.0K0.05%+63,865New
Jane Street Group, LLC55,365$824.4K0.00%+55,365New
Picton Mahoney Asset Management52,349$780.0K0.01%+52,349New
Qube Research & Technologies Ltd41,694$620.8K0.00%+41,694New
Limestone Investment Advisors LP40,900$609.0K0.27%+40,900New
TD Asset Management Inc40,072$596.7K0.00%+40,072New
Franklin Resources Inc35,908$534.7K0.00%+35,908New
3G Capital Partners LP35,000$521.1K0.12%+35,000New
SummitTX Capital, L.P.31,920$475.3K0.02%+31,920New
CI Private Wealth, LLC30,000$446.7K0.00%+30,000New
SEI Investments Co29,930$445.7K0.00%+29,930New
Oribel Capital Management, LP25,900$385.7K0.05%+25,900New
Crestwood Capital Management, L.P.20,000$297.8K0.21%+20,000New
PharVision Advisers, LLC16,273$242.3K0.14%+16,273New
Envestnet Asset Management Inc11,074$164.9K0.00%+11,074New
Graham Capital Management, L.P.10,510$156.5K0.01%+10,510New
Legal & General Group Plc10,000$149.0K0.00%+10,000New
Jefferies Financial Group Inc.10,000$148.9K0.00%+10,000New
Group One Trading, L.P.8,337$124.1K0.00%+8,337New
The PNC Financial Services Group, Inc.2,824$42.0K0.00%+2,824New
Quarry LP2,697$40.2K0.01%+2,697New
Tower Research Capital LLC (TRC)1,868$27.8K0.00%+1,868New
Point72 Europe (London) LLP787$11.7K0.00%+787New
Aster Capital Management (DIFC) Ltd477$7.10K0.00%+477New
Steward Partners Investment Advisory, LLC335$4.99K0.00%+335New
First Horizon Corp294$4.38K0.00%+294New
Principal Securities, Inc.250$3.72K0.00%+250New
SBI Securities Co., Ltd.167$2.49K0.00%+167New
Advisor Group Holdings, Inc.125$1.81K0.00%+125New
Rakuten Securities, Inc.1$150.00%+1New