ARX
Accelerant Holdings
NYSE · Financial Services · Insurance - Brokers · KY
$19.88
+0.91%0
Insider buys (3m)
23
Insider sells (3m)
-$20.0M
Net value (3m)
+32.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 25, 2026 | Meriwether Karen Sue · director | Sale | 542 | $20 |
| Aug 14, 2026 | Hasley Nancy · director | Sale | 20,489 | $20 |
| Aug 12, 2026 | ONeill Francis James · officer: Co-Founder, Chief U/W Officer | Sale | 63,616 | $12 |
| Aug 12, 2026 | ONeill Francis James · officer: Co-Founder, Chief U/W Officer | Sale | 89,219 | $12 |
| Aug 11, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 80,000 | $12 |
| Aug 4, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 80,000 | $12 |
| Jul 29, 2026 | ONeill Francis James · officer: Co-Founder, Chief U/W Officer | Sale | 104,647 | $15 |
| Jul 29, 2026 | ONeill Francis James · officer: Co-Founder, Chief U/W Officer | Sale | 110,467 | $15 |
| Jul 28, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 15,223 | $14 |
| Jul 28, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 80,000 | $15 |
| Jul 27, 2026 | Sternberg Matthew David · officer: COO, Risk Exchange | Sale | 17,568 | $15 |
| Jul 27, 2026 | Sternberg Matthew David · officer: COO, Risk Exchange | F-InKind | 3,910 | $14 |
| Jul 20, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 14,777 | $14 |
| Jul 20, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 80,000 | $14 |
| Jul 16, 2026 | ONeill Francis James · officer: Co-Founder, Chief U/W Officer | Sale | 82,767 | $13 |
| Jul 16, 2026 | ONeill Francis James · officer: Co-Founder, Chief U/W Officer | Sale | 83,119 | $13 |
| Jul 14, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 80,000 | $13 |
| Jul 7, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 80,000 | $13 |
| Jun 30, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 80,000 | $13 |
| Jun 29, 2026 | ONeill Francis James · officer: Co-Founder, Chief U/W Officer | Sale | 73,500 | $13 |
| Jun 25, 2026 | Hasley Nancy · director | Sale | 35,000 | $13 |
| Jun 25, 2026 | RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEO | Sale | 80,000 | $13 |
| Jun 24, 2026 | ONeill Francis James · officer: Co-Founder, Chief U/W Officer | Sale | 76,464 | $13 |
| Jun 24, 2026 | ONeill Francis James · officer: Co-Founder, Chief U/W Officer | Sale | 70,536 | $13 |
| May 15, 2026 | Talach David George Paul · director | A-Award | 23,316 | $0.00 |
| May 15, 2026 | Wainwright Simon · director | A-Award | 23,316 | $0.00 |
| May 15, 2026 | Sternberg Matthew David · officer: COO, Risk Exchange | A-Award | 279,329 | $0.00 |
| May 15, 2026 | Little Paul Christopher · director | A-Award | 11,658 | $0.00 |
| May 15, 2026 | Hasley Nancy · director | A-Award | 11,658 | $0.00 |
| May 15, 2026 | Meriwether Karen Sue · director | A-Award | 11,658 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 33Increased 38Reduced 23Sold out 105
| Filer | Action | Shares | Filed |
|---|---|---|---|
| SECURITY BENEFIT LIFE INSURANCE CO /KS/ | Unchanged | 5,866,257 | May 4, 2026 |
| CAPITAL WORLD INVESTORS | Reduced | 5,152,741 | May 13, 2026 |
| KEENAN CAPITAL, LLC | Increased | 3,992,923 | May 15, 2026 |
| GILDER GAGNON HOWE & CO LLC | Increased | 3,743,364 | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 3,188,505 | May 15, 2026 |
| BARINGS LLC | Unchanged | 3,128,867 | May 6, 2026 |
| ALLIANCEBERNSTEIN L.P. | Reduced | 2,800,188 | May 15, 2026 |
| MARSHALL WACE, LLP | Increased | 2,274,152 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2,113,565 | May 8, 2026 |
| JPMORGAN CHASE & CO | Increased | 2,020,368 | May 13, 2026 |
| AZORA CAPITAL LP | Reduced | 1,980,211 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,938,938 | May 15, 2026 |
| CRESSET ASSET MANAGEMENT, LLC | New Position | 1,839,620 | May 15, 2026 |
| FMR LLC | Increased | 1,812,207 | May 15, 2026 |
| CITADEL ADVISORS LLC | Increased | 1,797,785 | Sep 2, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 25, 2026