Aspen Insurance

AHL

Market cap $3.44B

Delisted

AHL was delisted on the 23rd of February, 2026.

93 hedge funds and large institutions have $3.41B invested in Aspen Insurance in 2025 Q3 according to their latest regulatory filings, with 63 funds opening new positions, 13 increasing their positions, 14 reducing their positions, and 36 closing their positions.

New

Increased

Maintained

Reduced

Closed

75% more first-time investments, than exits

New positions opened: 63 | Existing positions closed: 36

41% more funds holding

Funds holding: 66 → 93 (+27)

18% more capital invested

Capital invested by funds: $2.9B → $3.41B (+$512M)

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

7% less repeat investments, than reductions

Existing positions increased: 13 | Existing positions reduced: 14

Holders

Holders Change

+27

Holders Change %

+40.91%

% of All Funds

1.22%

Holding in Top 10

Holding in Top 10 Change

–

Holding in Top 10 Change %

–

% of All Funds

0.03%

New

Increased

Reduced

Closed

Calls

–

Puts

–

Net Calls

–

Net Calls Change

–

Top Buyers

1	HI HBK Investments Dallas, Texas	+$119M
2	MF Magnetar Financial Evanston, Illinois	+$40.1M
3	NI Nuance Investments Kansas City, Missouri	+$39.4M
4	GCL Glazer Capital LLC New York	+$30.3M
5	Fidelity International Hamilton, Bermuda	+$28.4M

Top Sellers

1	American Century Companies Kansas City, Missouri	-$36.2M
2	Capital International Investors Los Angeles, California	-$36.2M
3	Millennium Management New York	-$31.7M
4	Fidelity Investments Boston, Massachusetts	-$30.2M
5	Jennison Associates New York	-$28.3M

#	Name	Holding	Trade Value	Shares Change	Change in Stake
26	26 Renaissance Technologies New York	$4.72M	+$4.23M	+128,700	New
27	27 Adage Capital Partners Boston, Massachusetts	$4.13M	-$3.7M	-112,500	-50%
28	SSA 28 Schonfeld Strategic Advisors New York	$4M	-$3.76M	-114,314	-51%
29	COPPSERS 29 Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania	$3.67M	+$3.29M	+100,000	New
30	30 Vanguard Group Malvern, Pennsylvania	$3.59M	+$3.22M	+97,900	New
31	31 Northern Trust Chicago, Illinois	$3.24M	+$2.9M	+88,315	New
32	GF 32 Gabelli Funds Rye, New York	$2.87M	+$2.57M	+78,250	New
33	VI 33 Vestcor Inc Fredericton, New Brunswick, Canada	$2.75M	+$2.47M	+75,000	New
34	SC 34 Slotnik Capital Dallas, Texas	$2.52M	+$2.25M	+68,593	New
35	GLF 35 Groupe la Francaise Paris, France	$2.11M	+$1.89M	+57,550	New
36	CCM 36 Cinctive Capital Management New York	$1.84M	+$1.64M	+50,000	New
37	MIM 37 Morningstar Investment Management Chicago, Illinois	$1.82M	+$1.63M	+49,491	New
38	38 Mariner Overland Park, Kansas	$1.72M	+$1.54M	+46,925	New
39	VIM 39 Villanova Investment Management Wayne, Pennsylvania	$1.66M	+$1.49M	+45,320	New
40	40 Millennium Management New York	$1.53M	-$31.7M	-964,824	-96%
41	41 UBS Group Zurich, Switzerland	$1.52M	+$1.36M	+41,296	New
42	OAM 42 Oxford Asset Management Oxford, United Kingdom	$1.48M	+$786K	+23,900	+144%
43	LP 43 Longaeva Partners Chicago, Illinois	$1.44M	-$7.54M	-229,251	-85%
44	CIEC 44 Crédit Industriel et Commercial Paris France, France	$1.43M	+$1.28M	+38,936	New
45	45 Charles Schwab San Francisco, California	$1.4M	+$1.26M	+38,198	New
46	46 Morgan Stanley New York	$1.38M	-$775K	-23,572	-39%
47	47 Ameriprise Minneapolis, Minnesota	$1.37M	+$1.23M	+37,300	New
48	48 Walleye Capital New York	$1.27M	+$151K	+4,607	+15%
49	LIP 49 Lighthouse Investment Partners Palm Beach Gardens, Florida	$1.16M	+$1.04M	+31,613	New
50	50 Bank of New York Mellon New York	$1.08M	+$970K	+29,518	New