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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 13 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.

Key figures

Insider buysOpen market, last 90 days
0
Insider sellsLast 90 days, $15.6M in total
13
13F holdersQ2 2026, +11 vs. previous quarter
116
13F valueReported value at the end of Q2 2026
$761.1M
Superinvestors holdingAt the end of Q2 2026
1

Price chart

Superinvestors holding ARX, Q2 2026

1 superinvestor reports holding Accelerant Holdings on Form 13F. Percentages are the stock's share of each portfolio.

Go to the superinvestors tab

Tiger Global Management

Chase Coleman

<0.1%

Accelerant Holdings's share of the portfolio

Shares
75,000
Value
$879.0K

Latest insider trades

Open-market purchases and sales by Accelerant Holdings insiders from Form 4, newest first.

See all insider trades
Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 25, 2026 (view filing)7:01 PM ETAug 214 daysMeriwether Karen SueDirectorSSaleClass A Common Shares−542$19.62−$10.6K−2.5%20.9K after
Aug 14, 2026 (view filing)4:34 PM ETAug 131 dayHasley NancyDirectorSSaleClass A Common Shares−20.5K$19.56−$400.8K−1.5%1.34M after10b5-1
Aug 12, 2026 (view filing)4:31 PM ETAug 10-112 daysONeill Francis JamesCo-Founder, Chief U/W OfficerSSaleClass A Common Shares−152.8K$12.27−$1.87M−2.3%6.37M after2 lots10b5-1
Aug 11, 2026 (view filing)5:25 PM ETAug 101 dayRadke Jeffrey LCo-Founder, CEOSSaleClass A Common Shares−80.0K$12.09−$967.1K−0.3%27.6M after10b5-1
Aug 4, 2026 (view filing)8:18 PM ETAug 31 dayRadke Jeffrey LCo-Founder, CEOSSaleClass A Common Shares−80.0K$12.06−$964.5K−0.3%27.7M after10b5-1
Jul 29, 2026 (view filing)6:25 PM ETJul 27-282 daysONeill Francis JamesCo-Founder, Chief U/W OfficerSSaleClass A Common Shares−215.1K$14.60−$3.14M−3.2%6.52M after2 lots10b5-1
Jul 28, 2026 (view filing)9:25 PM ETJul 271 dayRadke Jeffrey LCo-Founder, CEOSSaleClass A Common Shares−95.2K$14.60−$1.39M−0.3%27.8M after2 lots10b5-1
Jul 27, 2026 (view filing)9:38 PM ETJul 27Same daySternberg Matthew DavidCOO, Risk ExchangeSSaleClass A Common Shares−17.6K$14.64−$257.2K−2.9%596.5K after10b5-1
Jul 20, 2026 (view filing)8:52 PM ETJul 17-203 daysRadke Jeffrey LCo-Founder, CEOSSaleClass A Common Shares−94.8K$13.63−$1.29M−0.3%27.8M after2 lots10b5-1
Jul 16, 2026 (view filing)8:27 PM ETJul 14-152 daysONeill Francis JamesCo-Founder, Chief U/W OfficerSSaleClass A Common Shares−165.9K$12.78−$2.12M−2.4%6.74M after2 lots10b5-1

Top 10 13F holders, Q2 2026

The largest institutional positions in Accelerant Holdings at the end of Q2 2026; share changes are against Q1 2026.

See all 116 holders
Institutions holding ARX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Security Benefit Life Insurance Co5,866,257$68.8M37.88%00.0%Unchanged
FMR LLC5,628,679$66.0M0.00%+3,816,472+210.6%Added
Capital World Investors4,626,664$54.2M0.01%−526,077−10.2%Reduced
Keenan Capital, LLC3,992,923$46.8M9.25%00.0%Unchanged
American Century Companies Inc3,877,619$45.4M0.02%+689,114+21.6%Added
Gilder Gagnon Howe & Co LLC3,732,024$43.7M0.45%−11,340−0.3%Reduced
BlackRock, Inc.3,496,273$41.0M0.00%+3,330,709+2,011.7%Added
Barings LLC3,128,867$37.6M0.67%00.0%Unchanged
Azora Capital LP3,049,846$35.7M1.51%+1,069,635+54.0%Added
Vanguard Portfolio Management LLC2,418,330$28.3M0.00%+304,765+14.4%Added