ASPEN INSURANCE HOLDINGS LTD - AHL
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NORGES BANK | History | No change | 110,024 | 4,081 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| VANGUARD GROUP INC | History | No change | 99,755 | 3,700 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| IAT REINSURANCE CO LTD. | History | No change | 80,000 | 1,858 | 0.6% | 0.58% | 3 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| THOMPSON INVESTMENT MANAGEMENT, INC. | History | No change | 1,000 | 20 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q1 2026 | Apr 08, 2026 |
| IFP Advisors, Inc | History | Reduced | 102 | 3 | 0.0% | 0.0% | 5 | -33 | -24.44% | Q1 2026 | Apr 13, 2026 |
| Apollo Management Holdings, L.P. | History | Closed out | 0 | 0 | — | 22.9% | — | -75,418,220 | -100.0% | Q1 2026 | May 15, 2026 |
| HBK INVESTMENTS L P | History | Closed out | 0 | 0 | — | 1.31% | — | -4,500,000 | -100.0% | Q1 2026 | May 15, 2026 |
| NUANCE INVESTMENTS, LLC | History | Closed out | 0 | 0 | — | 6.3% | — | -1,541,315 | -100.0% | Q1 2026 | May 08, 2026 |
| Magnetar Financial LLC | History | Closed out | 0 | 0 | — | 0.44% | — | -1,218,999 | -100.0% | Q1 2026 | May 13, 2026 |
| GLAZER CAPITAL, LLC | History | Closed out | 0 | 0 | — | 1.1% | — | -1,123,495 | -100.0% | Q1 2026 | May 14, 2026 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,052,654 | -100.0% | Q1 2026 | May 15, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | 0.0% | — | -942,103 | -100.0% | Q1 2026 | May 13, 2026 |
| FIL Ltd | History | Closed out | 0 | 0 | — | 0.02% | — | -863,280 | -100.0% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -832,526 | -100.0% | Q1 2026 | May 13, 2026 |
| WATER ISLAND CAPITAL LLC | History | Closed out | 0 | 0 | — | 2.29% | — | -572,685 | -100.0% | Q1 2026 | May 15, 2026 |
| Schonfeld Strategic Advisors LLC | History | Closed out | 0 | 0 | — | 0.09% | — | -541,721 | -100.0% | Q1 2026 | May 15, 2026 |
| Capula Management Ltd | History | Closed out | 0 | 0 | — | 0.08% | — | -445,997 | -100.0% | Q1 2026 | May 14, 2026 |
| AQR Arbitrage LLC | History | Closed out | 0 | 0 | — | 0.3% | — | -388,918 | -100.0% | Q1 2026 | May 15, 2026 |
| MARSHALL WACE, LLP | History | Closed out | 0 | 0 | — | 0.01% | — | -312,368 | -100.0% | Q1 2026 | May 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -302,282 | -100.0% | Q1 2026 | May 15, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | Closed out | 0 | 0 | — | 0.01% | — | -300,902 | -100.0% | Q1 2026 | May 14, 2026 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -278,410 | -100.0% | Q1 2026 | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -275,709 | -100.0% | Q1 2026 | May 15, 2026 |
| ALPINE ASSOCIATES MANAGEMENT INC. | History | Closed out | 0 | 0 | — | 0.62% | — | -252,487 | -100.0% | Q1 2026 | Apr 21, 2026 |
| STATE STREET CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -239,736 | -100.0% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -237,700 | -100.0% | Q1 2026 | May 14, 2026 |
| FMR LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -229,011 | -100.0% | Q1 2026 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -179,878 | -100.0% | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Closed out | 0 | 0 | — | 0.0% | — | -174,613 | -100.0% | Q1 2026 | May 15, 2026 |
| Slotnik Capital, LLC | History | Closed out | 0 | 0 | — | 1.47% | — | -170,000 | -100.0% | Q1 2026 | May 15, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -168,380 | -100.0% | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Closed out | 0 | 0 | — | 0.0% | — | -164,785 | -100.0% | Q1 2026 | May 05, 2026 |
| Burkehill Global Management, LP | History | Closed out | 0 | 0 | — | 0.37% | — | -150,000 | -100.0% | Q1 2026 | May 15, 2026 |
| MOORE CAPITAL MANAGEMENT, LP | History | Closed out | 0 | 0 | — | 0.08% | — | -143,963 | -100.0% | Q1 2026 | May 15, 2026 |
| GARDNER LEWIS ASSET MANAGEMENT L P | History | Closed out | 0 | 0 | — | 1.22% | — | -130,006 | -100.0% | Q1 2026 | May 08, 2026 |
| GABELLI FUNDS LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -126,700 | -100.0% | Q1 2026 | May 14, 2026 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | History | Closed out | 0 | 0 | — | 0.02% | — | -100,000 | -100.0% | Q1 2026 | May 01, 2026 |
| Fortress Investment Group LLC | History | Closed out | 0 | 0 | — | 0.86% | — | -98,430 | -100.0% | Q1 2026 | May 15, 2026 |
| Alpine Global Management, LLC | History | Closed out | 0 | 0 | — | 0.76% | — | -95,002 | -100.0% | Q1 2026 | May 15, 2026 |
| Qube Research & Technologies Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -77,839 | -100.0% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -77,647 | -100.0% | Q1 2026 | May 14, 2026 |
| Vestcor Inc | History | Closed out | 0 | 0 | — | 0.08% | — | -75,000 | -100.0% | Q1 2026 | May 12, 2026 |
| Groupe la Francaise | History | Closed out | 0 | 0 | — | 0.04% | — | -69,550 | -100.0% | Q1 2026 | May 21, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.17% | — | -62,820 | -100.0% | Q1 2026 | May 15, 2026 |
| Mariner, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -61,980 | -100.0% | Q1 2026 | May 13, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -52,086 | -100.0% | Q1 2026 | May 04, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -51,859 | -100.0% | Q1 2026 | May 15, 2026 |
| Cinctive Capital Management LP | History | Closed out | 0 | 0 | — | 0.1% | — | -50,000 | -100.0% | Q1 2026 | May 15, 2026 |
| CREDIT INDUSTRIEL ET COMMERCIAL | History | Closed out | 0 | 0 | — | 0.13% | — | -46,936 | -100.0% | Q1 2026 | Apr 29, 2026 |
| Polar Asset Management Partners Inc. | History | Closed out | 0 | 0 | — | 0.02% | — | -46,888 | -100.0% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | History | Closed out | 0 | 0 | — | 0.06% | — | -46,600 | -100.0% | Q1 2026 | May 15, 2026 |
| Sagefield Capital LP | History | Closed out | 0 | 0 | — | 0.15% | — | -46,195 | -100.0% | Q1 2026 | May 15, 2026 |
| Villanova Investment Management Co LLC | History | Closed out | 0 | 0 | — | 1.18% | — | -45,320 | -100.0% | Q1 2026 | May 08, 2026 |
| First Trust Capital Management L.P. | History | Closed out | 0 | 0 | — | 0.09% | — | -39,334 | -100.0% | Q1 2026 | May 14, 2026 |
| Aquatic Capital Management LLC | History | Closed out | 0 | 0 | — | 0.04% | — | -39,194 | -100.0% | Q1 2026 | May 15, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -38,262 | -100.0% | Q1 2026 | May 15, 2026 |
| Blackstone Inc. | History | Closed out | 0 | 0 | — | 0.01% | — | -37,053 | -100.0% | Q1 2026 | May 15, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -34,125 | -100.0% | Q1 2026 | May 15, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -33,306 | -100.0% | Q1 2026 | May 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -32,595 | -100.0% | Q1 2026 | May 15, 2026 |
| Bank of New York Mellon Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -32,487 | -100.0% | Q1 2026 | May 05, 2026 |
| AMERIPRISE FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -28,945 | -100.0% | Q1 2026 | May 15, 2026 |
| SG Americas Securities, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -26,677 | -100.0% | Q1 2026 | Apr 16, 2026 |
| SummitTX Capital, L.P. | History | Closed out | 0 | 0 | — | 0.03% | — | -24,540 | -100.0% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | 0.0% | — | -23,999 | -100.0% | Q1 2026 | May 14, 2026 |
| Nuveen, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -23,013 | -100.0% | Q1 2026 | Apr 30, 2026 |
| Trexquant Investment LP | History | Closed out | 0 | 0 | — | 0.01% | — | -19,745 | -100.0% | Q1 2026 | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -19,222 | -100.0% | Q1 2026 | May 15, 2026 |
| WELLS FARGO & COMPANY/MN | History | Closed out | 0 | 0 | — | 0.0% | — | -17,050 | -100.0% | Q1 2026 | May 11, 2026 |
| RHUMBLINE ADVISERS | History | Closed out | 0 | 0 | — | 0.0% | — | -16,938 | -100.0% | Q1 2026 | May 12, 2026 |
| CITADEL ADVISORS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -16,813 | -100.0% | Q1 2026 | May 15, 2026 |
| STRS OHIO | History | Closed out | 0 | 0 | — | 0.0% | — | -16,700 | -100.0% | Q1 2026 | Apr 24, 2026 |
| LMR Partners LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -16,650 | -100.0% | Q1 2026 | May 15, 2026 |
| Canvas Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | 0.1% | — | -15,963 | -100.0% | Q1 2026 | Apr 28, 2026 |
| Lykos Global Management, LP | History | Closed out | 0 | 0 | — | 0.39% | — | -15,000 | -100.0% | Q1 2026 | May 15, 2026 |
| DEUTSCHE BANK AG\ | History | Closed out | 0 | 0 | — | 0.0% | — | -13,944 | -100.0% | Q1 2026 | May 06, 2026 |
| Gotham Asset Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,776 | -100.0% | Q1 2026 | May 15, 2026 |
| Tidal Investments LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,447 | -100.0% | Q1 2026 | May 15, 2026 |
| Veradace Capital Management LLC | History | Closed out | 0 | 0 | — | 0.3% | — | -13,424 | -100.0% | Q1 2026 | May 14, 2026 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.01% | — | -12,776 | -100.0% | Q1 2026 | May 15, 2026 |
| Sciencast Management LP | History | Closed out | 0 | 0 | — | 0.06% | — | -12,256 | -100.0% | Q1 2026 | May 13, 2026 |
| SEI INVESTMENTS CO | History | Closed out | 0 | 0 | — | 0.0% | — | -11,654 | -100.0% | Q1 2026 | May 13, 2026 |
| Squarepoint Ops LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,447 | -100.0% | Q1 2026 | May 15, 2026 |
| ProShare Advisors LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,745 | -100.0% | Q1 2026 | Apr 24, 2026 |
| Invesco Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -10,407 | -100.0% | Q1 2026 | May 12, 2026 |
| Skandinaviska Enskilda Banken AB (publ) | History | Closed out | 0 | 0 | — | 0.0% | — | -10,111 | -100.0% | Q1 2026 | May 15, 2026 |
| DARK FOREST CAPITAL MANAGEMENT LP | History | Closed out | 0 | 0 | — | 0.02% | — | -9,987 | -100.0% | Q1 2026 | May 15, 2026 |
| MetLife Investment Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -9,256 | -100.0% | Q1 2026 | May 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Closed out | 0 | 0 | — | 0.0% | — | -9,146 | -100.0% | Q1 2026 | May 15, 2026 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -9,003 | -100.0% | Q1 2026 | May 14, 2026 |
| R Squared Ltd | History | Closed out | 0 | 0 | — | 0.14% | — | -8,308 | -100.0% | Q1 2026 | Apr 29, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -7,442 | -100.0% | Q1 2026 | May 14, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -7,177 | -100.0% | Q1 2026 | May 15, 2026 |
| STATE OF WISCONSIN INVESTMENT BOARD | History | Closed out | 0 | 0 | — | 0.0% | — | -6,300 | -100.0% | Q1 2026 | May 15, 2026 |
| Susquehanna Portfolio Strategies, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -6,291 | -100.0% | Q1 2026 | May 15, 2026 |
| Verition Fund Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -6,025 | -100.0% | Q1 2026 | May 15, 2026 |
| GAMCO INVESTORS, INC. ET AL | History | Closed out | 0 | 0 | — | 0.0% | — | -6,000 | -100.0% | Q1 2026 | May 14, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | Closed out | 0 | 0 | — | 0.0% | — | -5,934 | -100.0% | Q1 2026 | May 15, 2026 |
| ABC ARBITRAGE SA | History | Closed out | 0 | 0 | — | 0.02% | — | -5,545 | -100.0% | Q1 2026 | May 04, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | Closed out | 0 | 0 | — | 0.0% | — | -4,900 | -100.0% | Q1 2026 | May 06, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | Closed out | 0 | 0 | — | 0.0% | — | -4,313 | -100.0% | Q1 2026 | Apr 29, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Closed out | 0 | 0 | — | 0.0% | — | -3,331 | -100.0% | Q1 2026 | May 12, 2026 |
| PenderFund Capital Management Ltd. | History | Closed out | 0 | 0 | — | 0.02% | — | -2,800 | -100.0% | Q1 2026 | May 15, 2026 |
| Legal & General Group Plc | History | Closed out | 0 | 0 | — | 0.0% | — | -1,540 | -100.0% | Q1 2026 | May 08, 2026 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,468 | -100.0% | Q1 2026 | May 11, 2026 |
| Ameritas Investment Partners, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -1,290 | -100.0% | Q1 2026 | May 13, 2026 |
| CWM, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,268 | -100.0% | Q1 2026 | May 14, 2026 |
| Russell Investments Group, Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -1,223 | -100.0% | Q1 2026 | May 08, 2026 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -1,159 | -100.0% | Q1 2026 | May 15, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Closed out | 0 | 0 | — | 0.0% | — | -950 | -100.0% | Q1 2026 | May 15, 2026 |
| ROYAL BANK OF CANADA | History | Closed out | 0 | 0 | — | 0.0% | — | -558 | -100.0% | Q1 2026 | May 15, 2026 |
| AMALGAMATED BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -485 | -100.0% | Q1 2026 | May 08, 2026 |
| Sterling Capital Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -413 | -100.0% | Q1 2026 | Apr 22, 2026 |
| Quarry LP | History | Closed out | 0 | 0 | — | 0.0% | — | -151 | -100.0% | Q1 2026 | May 15, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -113 | -100.0% | Q1 2026 | May 08, 2026 |
| Steward Partners Investment Advisory, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -84 | -100.0% | Q1 2026 | May 08, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -82 | -100.0% | Q1 2026 | May 13, 2026 |
| Allworth Financial LP | History | Closed out | 0 | 0 | — | 0.0% | — | -43 | -100.0% | Q1 2026 | May 14, 2026 |
| MAI Capital Management | History | Closed out | 0 | 0 | — | 0.0% | — | -31 | -100.0% | Q1 2026 | May 15, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | Closed out | 0 | 0 | — | — | — | -22 | -100.0% | Q1 2026 | May 07, 2026 |
| Farther Finance Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -17 | -100.0% | Q1 2026 | Apr 07, 2026 |
| Caitong International Asset Management Co., Ltd | History | Closed out | 0 | 0 | — | — | — | -14 | -100.0% | Q1 2026 | May 11, 2026 |
| GAMMA Investing LLC | History | Closed out | 0 | 0 | — | — | — | -9 | -100.0% | Q1 2026 | Apr 06, 2026 |
| EverSource Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -5 | -100.0% | Q1 2026 | May 15, 2026 |
| CIBC Private Wealth Group LLC | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |