Accelerant Holdings (ARX)
INSURANCE AGENTS, BROKERS & SERVICE
Accelerant Holdings (ARX) is listed on the New York Stock Exchange, where it has traded since July 24, 2025.
- Listed On
- the New York Stock Exchange
- Listed Since
- July 24, 2025
- Employees
- 574
- Market Cap
- $4.3B
About Accelerant Holdings
Accelerant Holdings operates as a data-driven risk exchange that connects selected specialty insurance underwriters with risk capital partners. The company operates in three segments: Exchange Services, MGA Operations, and Underwriting. The majority of its revenue is generated from the Underwriting segment, which contains all revenue and expenses associated with the underwriting of insurance policies and assumption of reinsurance policies issued or accepted by Accelerant's consolidated insurance and reinsurance companies. Geographically, it operates in North America, the UK, and the EU, out of which it derives maximum revenue from North America.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 113 institutions reported holding ARX, with 64.5 million shares worth $761.1 million in aggregate. The largest reported holder was Security Benefit Life Insurance Co /KS, with 5.9 million shares worth $68.8 million. Of the 5 largest holders listed below, 2 added shares, 1 reduced its position and 2 held their positions unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Security Benefit Life Insurance Co /KS | 5,866,257 | $69M | Unchanged |
| FMR | 5,628,679 | $66M | Added 210.6% |
| Capital Group | 4,626,664 | $54M | Reduced 10.21% |
| Vanguard | 4,220,079 | $49M | Added 1.98% |
| Keenan Capital | 3,992,923 | $47M | Unchanged |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is ARX?
Accelerant Holdings (ARX) is listed on the New York Stock Exchange, where it has traded since July 24, 2025.
Who are the largest institutional holders of ARX?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of ARX were Security Benefit Life Insurance Co /KS, FMR and Capital Group.
How many institutions own ARX?
113 institutions reported a position in ARX for the quarter ended June 30, 2026, worth $761.1 million in total.
Did institutions buy or sell ARX last quarter?
Of the 5 largest reported holders, 2 added shares, 1 reduced its position and 2 held their positions unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for ARX.
Every reported institutional holder, plus insider and congressional trades in ARX, on SentiSense.