Aspen Insurance Holdings Ltd (AHL) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

120,843,373Shares Outstanding

77,922,087Shares held by institutions

$2,910,389,949Value of institutional holdings

78.86%Institutional ownership %

6.27%Shares Changed QoQ

116No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Aspen Insurance Holdings Ltd (NYSE:AHL) currently has 116 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

These investors collectively held 78.9% of the company's total shares outstanding in December 2025, up from 76.8% in September 2025.
Institutional share ownership changed by 6.27% QoQ, while the number of institutional owners saw an unavailable change YoY.
Of these 116 institutional investors, 88 increased their holdings in Aspen Insurance Holdings, while 14 of them reduced positions, and 14 investors maintained their exposure.
This class of investors increased its holdings in Aspen Insurance Holdings to 95.30Mn shares for the 13F-cycle ending December 2025, up by 5.62Mn shares quarter on quarter, and down N/A shares year over year.
As of December 31, 2025, Apollo Management Holdings, L.P. held Aspen Insurance Holdings's largest shareholding position with over 75.42Mn shares, representing 62.41% of total outstanding shares.
Among the most significant buyers of Aspen Insurance Holdings during December 2025 were HBK INVESTMENTS L P (886.36K), Capula Management Ltd (446.00K), Schonfeld Strategic Advisors LLC (432.69K), JPMORGAN CHASE & CO (378.38K), NUANCE INVESTMENTS, LLC (343.16K).
Leading sellers of Aspen Insurance Holdings stock in December 2025 included WATER ISLAND CAPITAL LLC (47.56K), ALLIANCEBERNSTEIN L.P. (18.86K), HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (13.23K), NORTHERN TRUST CORP (10.67K), AMERIPRISE FINANCIAL INC (8.36K).
The top 10 institutional holders of Aspen Insurance Holdings for the quarter ending December 2025 included Apollo Management Holdings, L.P. (75.42Mn), HBK INVESTMENTS L P (4.50Mn), NUANCE INVESTMENTS, LLC (1.54Mn), Magnetar Financial LLC (1.22Mn), GLAZER CAPITAL, LLC (1.12Mn), GOLDMAN SACHS GROUP INC (1.05Mn), JPMORGAN CHASE & CO (942.10K), FIL Ltd (863.28K), BlackRock, Inc. (832.53K), WATER ISLAND CAPITAL LLC (572.68K).

116 Institutional Holders

77,922,087 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Apollo Management Holdings, L.P.	31 Dec, 2025	75,418,220	0	0.00%	$2,798,015,962.00
HBK INVESTMENTS L P	31 Dec, 2025	4,500,000	886,361	24.53%	$166,950,000.00
NUANCE INVESTMENTS, LLC	31 Dec, 2025	1,541,315	343,160	28.64%	$57,182,793.00
Magnetar Financial LLC	31 Dec, 2025	1,218,999	0	0.00%	$45,224,863.00
GLAZER CAPITAL, LLC	31 Dec, 2025	1,123,495	203,101	22.07%	$41,682.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	1,052,654	281,982	36.59%	$39,053,463.00
JPMORGAN CHASE & CO	31 Dec, 2025	942,103	378,381	67.12%	$34,952,021.00
FIL Ltd	31 Dec, 2025	863,280	0	0.00%	$32,027,688.00
BlackRock, Inc.	31 Dec, 2025	832,526	21,019	2.59%	$30,886,715.00
WATER ISLAND CAPITAL LLC	31 Dec, 2025	572,685	-47,564	-7.67%	$21,246,613.00
Schonfeld Strategic Advisors LLC	31 Dec, 2025	541,721	432,690	396.85%	$20,097,849.00
Capula Management Ltd	31 Dec, 2025	445,997	445,997	0.00%	$16,546,489.00
AQR Arbitrage LLC	31 Dec, 2025	388,918	138,252	55.15%	$14,428,858.00
MARSHALL WACE, LLP	31 Dec, 2025	312,368	84,625	37.16%	$11,588,854.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	302,282	260,732	627.51%	$11,214,662.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	300,902	300,902	0.00%	$11,163,464.00
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	31 Dec, 2025	278,410	-13,230	-4.54%	$10,329,011.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	275,709	21,192	8.33%	$10,228,804.00
ALPINE ASSOCIATES MANAGEMENT INC.	31 Dec, 2025	252,487	36,086	16.68%	$9,367,267.00
STATE STREET CORP	31 Dec, 2025	239,736	8,917	3.86%	$8,894,206.00

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