Accelerant Holdings (ARX) ownership: ACP Insurance Management, LLC 67% · institutions 20% · index and ETF funds 8% (13F 2026-03-31). Insider activity, 90 days: 24 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Security Benefit Life Insurance Co | 5866257.00 | $78.37M | 2.7% | 2026-03-31 |
| Capital Group | 5152741.00 | $68.84M | 2.3% | 2026-03-31 |
| Vanguard | 4137996.00 | $55.28M | 1.9% | 2026-03-31 |
| Keenan Capital, LLC | 3992923.00 | $53.35M | 1.8% | 2026-03-31 |
| Gilder Gagnon Howe & Co LLC | 3743364.00 | $50.01M | 1.7% | 2026-03-31 |
| Barings LLC | 3128867.00 | $46.06M | 1.4% | 2026-03-31 |
| AllianceBernstein | 2800188.00 | $45.78M | 1.3% | 2026-03-31 |
| Balyasny | 2733595.00 | $44.69M | 1.2% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-21 | |
| Sell | null | 2026-08-13 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-07-27 | |
| Sell | null | 2026-07-27 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.