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The company

Accelerant Holdings Class A Common Shares

ARX · NYSE

FinancialsInsuranceLeading

ARX stood above a rising 150-day average in 12 of the last 30 weekly readings, including each of the last 9 weeks. It is 26.3% above that average now. Insurance: 53% of its 118 stocks in an uptrend (+5 points in four weeks); Financials: 49% (−4 points in four weeks).

SEC filings

Statistics

Rotation: Leading
Weeks in an uptrend: 9 in a row
Industry in uptrend: 53% +5 in 4 wk
Insider buys, 12 months: $1.9M
Insider sales, 12 months: $43.2M
Officials’ trades on record: 0
Institutions holding: 111 (+7)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 12 of 30 weeks.

22 Apr – 21 Oct

Insurance: About half its stocks are in an uptrend and the share has been climbing. Financials: About half its stocks are in an uptrend and the share has been slipping.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months6

Sale orders, 12 months24

Buyers · sellers6 · 6

Who	Did	Shares	Traded
Karen Sue MeriwetherDirector	sold	542at $19.62	21 Aug 2026filed 25 Aug 2026
Nancy HasleyDirector	sold	20,489at $19.56	13 Aug 2026filed 14 Aug 2026
Francis James OneillCo-Founder, Chief U/W Officer	sold	89,219at $12.41	11 Aug 2026filed 12 Aug 2026
Jeffrey L. RadkeCo-Founder, CEO	sold	80,000at $12.09	10 Aug 2026filed 11 Aug 2026
Francis James OneillCo-Founder, Chief U/W Officer	sold	63,616at $12.07	10 Aug 2026filed 12 Aug 2026
Jeffrey L. RadkeCo-Founder, CEO	sold	80,000at $12.06	3 Aug 2026filed 4 Aug 2026
Francis James OneillCo-Founder, Chief U/W Officer	sold	104,647at $14.56	28 Jul 2026filed 29 Jul 2026
Matthew David SternbergCOO, Risk Exchange	sold	17,568at $14.64	27 Jul 2026filed 27 Jul 2026
Jeffrey L. RadkeCo-Founder, CEO	sold	80,000at $14.63	27 Jul 2026filed 28 Jul 2026
Jeffrey L. RadkeCo-Founder, CEO	sold	15,223at $14.45	27 Jul 2026filed 28 Jul 2026
Francis James OneillCo-Founder, Chief U/W Officer	sold	110,467at $14.63	27 Jul 2026filed 29 Jul 2026
Jeffrey L. RadkeCo-Founder, CEO	sold	80,000at $13.51	20 Jul 2026filed 20 Jul 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders111+7 on the quarter

New · exited35 · 27

Reported value$768.9M

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
SECURITY BENEFIT LIFE INSURANCE COunchanged · filed 21 Jul 2026	5,866,257$78.4M	00.0%
FMR LLCadded · filed 13 Aug 2026	5,628,679$66.0M	+3,816,472+210.6%
Capital World Investorsreduced · filed 12 Aug 2026	4,626,664$54.2M	-526,077−10.2%
Keenan Capital, LLCunchanged · filed 14 Aug 2026	3,992,923$46.8M	00.0%
AMERICAN CENTURY COMPANIES INCadded · filed 12 Aug 2026	3,877,619$45.4M	+689,114+21.6%
GILDER GAGNON HOWE & CO LLCreduced · filed 14 Aug 2026	3,732,024$43.7M	-11,340−0.3%
BlackRock, Inc.added · filed 7 Aug 2026	3,496,273$41.0M	+3,330,709+2011.7%
BARINGS LLCunchanged · filed 7 Aug 2026	3,128,867$37.6M	00.0%
Azora Capital LPadded · filed 14 Aug 2026	3,049,846$35.7M	+1,069,635+54.0%
VANGUARD PORTFOLIO MANAGEMENT LLCadded · filed 13 Aug 2026	2,418,330$28.3M	+304,765+14.4%