Aspen Insurance Holdings Limited
Aspen Insurance Holdings Limited (AHL) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AHL · as of Sep 30, 2025
Ownership Breakdown
93
Institutional Holders
▲ 27 vs Q2
$3.41B
Total Inst. Value
▲ $512.27M vs Q2
91.84M
Shares Outstanding
freeFloat 16.85%
92.84M
13F Shares Held
▲ 817,736 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AHL largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
APOLLO MANAGEMENT HOLDINGS, L.P. fire, marine & casualty insurance | 75.42M | 82.12% | 82.12% | $2.77T | Nov 14, 2025 | — held |
HBK INVESTMENTS L P fire, marine & casualty insurance | 3.61M | 3.93% | 3.93% | $132.66B | Nov 14, 2025 | NEW |
CAPITAL WORLD INVESTORS fire, marine & casualty insurance | 1.75M | 1.91% | 1.91% | $64.37B | Nov 13, 2025 | ▼ 777.7K |
MAGNETAR FINANCIAL LLC fire, marine & casualty insurance | 1.22M | 1.33% | 1.33% | $44.75B | Nov 13, 2025 | NEW |
NUANCE INVESTMENTS, LLC fire, marine & casualty insurance | 1.20M | 1.30% | 1.30% | $43.98B | Nov 6, 2025 | NEW |
GLAZER CAPITAL, LLC fire, marine & casualty insurance | 920.4K | 1.00% | 1.00% | $33.79B | Nov 13, 2025 | NEW |
FIL LTD fire, marine & casualty insurance | 863.3K | 94.00% | 94.00% | $31.69B | Nov 13, 2025 | NEW |
BLACKROCK, INC. fire, marine & casualty insurance | 811.5K | 88.36% | 88.36% | $29.79B | Nov 12, 2025 | ▲ 111.2K |
GOLDMAN SACHS GROUP INC fire, marine & casualty insurance | 770.7K | 83.92% | 83.92% | $28.29B | Nov 14, 2025 | ▲ 423.1K |
WATER ISLAND CAPITAL LLC fire, marine & casualty insurance | 620.2K | 67.54% | 67.54% | $22.77B | Nov 14, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
8
Increased
+1.69M shares31
New Positions
first time holders8
Decreased
−3.29M shares0
Sold Out
fully exitedNet shares change (top 50)
1.60M
+1.69M / −3.29M
Net new holders
+31
31 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AHL insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Cain Michael CEO, AIUK, AMAL & Group GC | Feb 15, 2019 | Award | 7,250 | — | — | 7.3K | Form 4 ↗ |
Cain Michael CEO, AIUK, AMAL & Group GC | Feb 15, 2019 | Award | 7,250 | — | — | 7.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Aspen Insurance Holdings Limited (AHL) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 83.15%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Aspen Insurance Holdings Limited is APOLLO MANAGEMENT HOLDINGS, L.P., holding approximately 75.42 million shares — equal to 82.12% of outstanding shares — as of September 30, 2025.
A total of 93 institutional investors currently hold AHL stock, with a combined institutional value of approximately $3.41 billion as of the most recent 13F filing period.
Frequently asked questions
AHL ownershipAspen Insurance Holdings Limited (AHL) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is APOLLO MANAGEMENT HOLDINGS, L.P. with a 82.12% stake. Company insiders hold 83.15%. Data sourced from SEC Form 13F as of September 30, 2025.