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ARX

Accelerant Holdings

NYSE · Financial Services · Insurance - Brokers · KY

Also listed · ARX.KY →
$19.66
−0.81%
Ask drillr
0
Insider buys (3m)
23
Insider sells (3m)
-$20.0M
Net value (3m)
+53.9%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Aug 25, 2026Meriwether Karen Sue · directorSale542$20
Aug 14, 2026Hasley Nancy · directorSale20,489$20
Aug 12, 2026ONeill Francis James · officer: Co-Founder, Chief U/W OfficerSale63,616$12
Aug 12, 2026ONeill Francis James · officer: Co-Founder, Chief U/W OfficerSale89,219$12
Aug 11, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale80,000$12
Aug 4, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale80,000$12
Jul 29, 2026ONeill Francis James · officer: Co-Founder, Chief U/W OfficerSale104,647$15
Jul 29, 2026ONeill Francis James · officer: Co-Founder, Chief U/W OfficerSale110,467$15
Jul 28, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale15,223$14
Jul 28, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale80,000$15
Jul 27, 2026Sternberg Matthew David · officer: COO, Risk ExchangeSale17,568$15
Jul 27, 2026Sternberg Matthew David · officer: COO, Risk ExchangeF-InKind3,910$14
Jul 20, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale14,777$14
Jul 20, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale80,000$14
Jul 16, 2026ONeill Francis James · officer: Co-Founder, Chief U/W OfficerSale82,767$13
Jul 16, 2026ONeill Francis James · officer: Co-Founder, Chief U/W OfficerSale83,119$13
Jul 14, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale80,000$13
Jul 7, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale80,000$13
Jun 30, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale80,000$13
Jun 29, 2026ONeill Francis James · officer: Co-Founder, Chief U/W OfficerSale73,500$13
Jun 25, 2026Hasley Nancy · directorSale35,000$13
Jun 25, 2026RADKE JEFFREY L · director, 10 percent owner, officer: Co-Founder, CEOSale80,000$13
Jun 24, 2026ONeill Francis James · officer: Co-Founder, Chief U/W OfficerSale76,464$13
Jun 24, 2026ONeill Francis James · officer: Co-Founder, Chief U/W OfficerSale70,536$13
May 15, 2026Talach David George Paul · directorA-Award23,316$0.00
May 15, 2026Wainwright Simon · directorA-Award23,316$0.00
May 15, 2026Sternberg Matthew David · officer: COO, Risk ExchangeA-Award279,329$0.00
May 15, 2026Little Paul Christopher · directorA-Award11,658$0.00
May 15, 2026Hasley Nancy · directorA-Award11,658$0.00
May 15, 2026Meriwether Karen Sue · directorA-Award11,658$0.00
Institutional positioning

13F filings over the trailing two quarters

New 71Increased 79Reduced 50Sold out 26
FilerActionSharesFiled
SECURITY BENEFIT LIFE INSURANCE CO /KS/Unchanged5,866,257Jul 23, 2026
SECURITY BENEFIT LIFE INSURANCE CO /KS/Unchanged5,866,257May 4, 2026
FMR LLCIncreased5,628,679Aug 13, 2026
CAPITAL WORLD INVESTORSReduced5,152,741May 13, 2026
Capital World InvestorsReduced4,626,664Aug 12, 2026
KEENAN CAPITAL, LLCIncreased3,992,923May 15, 2026
Keenan Capital, LLCUnchanged3,992,923Aug 14, 2026
AMERICAN CENTURY COMPANIES INCIncreased3,877,619Aug 12, 2026
GILDER GAGNON HOWE & CO LLCIncreased3,743,364May 15, 2026
GILDER GAGNON HOWE & CO LLCReduced3,732,024Aug 14, 2026
BlackRock, Inc.Increased3,496,273Aug 7, 2026
AMERICAN CENTURY COMPANIES INCIncreased3,188,505May 15, 2026
BARINGS LLCUnchanged3,128,867May 6, 2026
BARINGS LLCUnchanged3,128,867Aug 7, 2026
Azora Capital LPIncreased3,049,846Aug 14, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 25, 2026