Accelerant Holdings
ARX · NYSE
$19.77+$0.01 (+0.05%)TodayMarket closed ·
Prev close $19.76
Who owns ARX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 39.6% of ARX’s shares.
- Radke (Jeffrey L)13.3%
- Lee-Smith (Christopher)8.2%
- ONeill (Francis James)3.4%
- Security Benefit Life Insurance2.7%
- Next 6 largest institutions12.1%
- All other shareholders60.4%
| Holder | Shares | % of shares |
|---|---|---|
| Radke (Jeffrey L) | 28.85M | 13.28% |
| Lee-Smith (Christopher) | 17.78M | 8.19% |
| ONeill (Francis James) | 7.36M | 3.39% |
| Security Benefit Life Insurance | 5.87M | 2.70% |
| Fidelity Management & Research Company LLC | 5.41M | 2.49% |
| Capital World Investors | 4.63M | 2.13% |
| Capital Research Global Investors | 4.55M | 2.09% |
| Keenan Capital, LLC | 3.99M | 1.84% |
| American Century Investment Management, Inc. | 3.88M | 1.79% |
| Gilder Gagnon Howe & Co. LLC | 3.73M | 1.72% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| American Funds SMALLCAP World Fund | 4.43M | 2.04% |
| American Century Small Cap Value Fund | 2.10M | 0.97% |
| Fidelity Small Cap Growth Fund | 1.76M | 0.81% |
| Vanguard Total Stock Market Index Fund | 1.60M | 0.74% |
| iShares Russell 2000 ETF | 1.56M | 0.72% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $17.98M (21 trades) of ARX on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Meriwether Karen Sue | Sale | 542 | $10.63K |
| Hasley Nancy | Sale | 20.49K | $400.84K |
| ONeill Francis James | Sale | 89.22K | $1.11M |
| ONeill Francis James | Sale | 63.62K | $767.67K |
| RADKE JEFFREY L | Sale | 80.00K | $967.10K |
| RADKE JEFFREY L | Sale | 80.00K | $964.53K |
| ONeill Francis James | Sale | 104.65K | $1.52M |
| ONeill Francis James | Sale | 110.47K | $1.62M |
| Sternberg Matthew David | Sale | 17.57K | $257.21K |
| RADKE JEFFREY L | Sale | 15.22K | $220.01K |
Short interest
Settled Sep 30, 2026
- Shares short
- 4.50M
- Days to cover
- 1.69
- % of shares outstanding
- 2.07%
- Average daily volume
- 2.66M
- Change since last report
- −5.8%
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