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.
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.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 25, 2026 (view filing)7:01 PM ET | Aug 21 | 4 days | Meriwether Karen SueDirector | SSaleClass A Common Shares | −542 | $19.62 | −$10.6K | −2.5%20.9K after | |
| Aug 14, 2026 (view filing)4:34 PM ET | Aug 13 | 1 day | Hasley NancyDirector | SSaleClass A Common Shares | −20.5K | $19.56 | −$400.8K | −1.5%1.34M after | 10b5-1 |
| Aug 12, 2026 (view filing)4:31 PM ET | Aug 10-11 | 2 days | ONeill Francis JamesCo-Founder, Chief U/W Officer | SSaleClass A Common Shares | −152.8K | $12.27 | −$1.87M | −2.3%6.37M after | 2 lots10b5-1 |
| Aug 11, 2026 (view filing)5:25 PM ET | Aug 10 | 1 day | Radke Jeffrey LCo-Founder, CEO | SSaleClass A Common Shares | −80.0K | $12.09 | −$967.1K | −0.3%27.6M after | 10b5-1 |
| Aug 4, 2026 (view filing)8:18 PM ET | Aug 3 | 1 day | Radke Jeffrey LCo-Founder, CEO | SSaleClass A Common Shares | −80.0K | $12.06 | −$964.5K | −0.3%27.7M after | 10b5-1 |
| Jul 29, 2026 (view filing)6:25 PM ET | Jul 27-28 | 2 days | ONeill Francis JamesCo-Founder, Chief U/W Officer | SSaleClass A Common Shares | −215.1K | $14.60 | −$3.14M | −3.2%6.52M after | 2 lots10b5-1 |
| Jul 28, 2026 (view filing)9:25 PM ET | Jul 27 | 1 day | Radke Jeffrey LCo-Founder, CEO | SSaleClass A Common Shares | −95.2K | $14.60 | −$1.39M | −0.3%27.8M after | 2 lots10b5-1 |
| Jul 27, 2026 (view filing)9:38 PM ET | Jul 27 | Same day | Sternberg Matthew DavidCOO, Risk Exchange | SSaleClass A Common Shares | −17.6K | $14.64 | −$257.2K | −2.9%596.5K after | 10b5-1 |
| Jul 20, 2026 (view filing)8:52 PM ET | Jul 17-20 | 3 days | Radke Jeffrey LCo-Founder, CEO | SSaleClass A Common Shares | −94.8K | $13.63 | −$1.29M | −0.3%27.8M after | 2 lots10b5-1 |
| Jul 16, 2026 (view filing)8:27 PM ET | Jul 14-15 | 2 days | ONeill Francis JamesCo-Founder, Chief U/W Officer | SSaleClass A Common Shares | −165.9K | $12.78 | −$2.12M | −2.4%6.74M after | 2 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.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Security Benefit Life Insurance Co | 5,866,257 | $68.8M | 37.88% | 00.0% | Unchanged |
| FMR LLC | 5,628,679 | $66.0M | 0.00% | +3,816,472+210.6% | Added |
| Capital World Investors | 4,626,664 | $54.2M | 0.01% | −526,077−10.2% | Reduced |
| Keenan Capital, LLC | 3,992,923 | $46.8M | 9.25% | 00.0% | Unchanged |
| American Century Companies Inc | 3,877,619 | $45.4M | 0.02% | +689,114+21.6% | Added |
| Gilder Gagnon Howe & Co LLC | 3,732,024 | $43.7M | 0.45% | −11,340−0.3% | Reduced |
| BlackRock, Inc. | 3,496,273 | $41.0M | 0.00% | +3,330,709+2,011.7% | Added |
| Barings LLC | 3,128,867 | $37.6M | 0.67% | 00.0% | Unchanged |
| Azora Capital LP | 3,049,846 | $35.7M | 1.51% | +1,069,635+54.0% | Added |
| Vanguard Portfolio Management LLC | 2,418,330 | $28.3M | 0.00% | +304,765+14.4% | Added |