Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share (ARX)

Q: What does CUSIP G00894108 represent in this 13F holders report?

CUSIP G00894108 is the security identifier for ARX - Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share used to aggregate holder disclosures.

Q: How many institutions held ARX - Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share in Q4 2025?

98 institutional investors reported ARX - Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: G00894108

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Class A common shares, $0.0000011951862 par value per share
Total 13F shares: 50,070,804
Total 13F value: $809,429,011
Share change: +679,970
Put/Call ratio: 0%
SEC-reported price per share: $16.35
Number of holders: 98
Value change: +$15,544,979
Number of buys: 60
Number of sells: 53
Shares outstanding: 205,693,984

Security key

G00894108

Report period

Q4 2025

Institutions

Top holders

ARX full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Accelerant Holdings SEC filings Accelerant Holdings company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G00894108

Newer quarter: Q2 2026

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of ARX - Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

ACP Accelerant Holdings, ...

Disclosed value leader

ACP Accelerant Holdings, ...

Comparable rows

15/15

Latest evidence

19 Nov 2025

13D/G 13F 3/4/5 Lead comparable stake: 44% 13D/G row: ACP Accelerant Holdings, L.P. Showing 1-6 of 15 holder rows.

Quick read

ACP Accelerant Holdings, L.P. leads the comparable SEC ownership view at 44%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens ACP Accelerant Holdings, L.P.'s linked filing trail.

Comparable ownership Top 5

ACP Accelerant Holdings, L.P. 44%

Jeffrey L. Radke 30%

Lee-Smith Christopher 17%

Francis James O'Neill 7%

Capital World Investors 5.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
ACP Accelerant Holdings, L.P.	13D/G ACP Insurance Management, LLC 13D/G	44%	$1,353,750,273 90,916,741 shares	$0	30 Sep 2025
Jeffrey L. Radke	13D/G RADKE JEFFREY L 13D/G	30%	$547,219,606 36,750,813 shares	$0	30 Sep 2025
Lee-Smith Christopher	13D/G 13D/G	17%	$303,561,537 20,386,940 shares	$0	30 Sep 2025
Francis James O'Neill	13D/G ONeill Francis James 13D/G	7%	$120,307,269 8,079,736 shares	$0	30 Sep 2025
Capital World Investors	13F 13D/G Company 13F 13D/G	5.1% from 13D/G	$85,665,893 5,753,250 shares	—	30 Sep 2025
Samuel Gaynor	3/4/5 Director 3/4/5	0%	$100,773 7,500 shares	+$100,774	19 Nov 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

50,070,804

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

Q4 2025 holders

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend