DOSSIER · 13F Holders · Q4 2025

ASPEN INSURANCE HOLDINGS LTD

5 institutions still hold ASPEN INSURANCE HOLDINGS LTD as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G05384501·5 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$15M
visible holders
Holders
5
filers reporting
Concentration
94.10%
AQR Arbitrage LLC #1
top holder share
AI Holders Summary · Q4 2025

5 institutions reported ASPEN INSURANCE HOLDINGS LTD in Q4 2025. AQR Arbitrage LLC leads at 94.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
AQR Arbitrage LLC
CIK 0001167456
$14M389K0.30%Q4 2025
02
CITADEL ADVISORS LLC
CIK 0001423053
$624K17K0.00%Q4 2025
03
HRT FINANCIAL LP
CIK 0001475597
$276K7K0.00%Q4 2025
04
PNC FINANCIAL SERVICES GROUP, INC.
CIK 0000713676
$4K1130.00%Q4 2025
05
CIBC Private Wealth Group LLC
CIK 0001298088
$7420.00%Q4 2025