Arch Capital
ACGL
856 hedge funds and large institutions have $30.6B invested in Arch Capital in 2025 Q2 according to their latest regulatory filings, with 95 funds opening new positions, 355 increasing their positions, 289 reducing their positions, and 84 closing their positions.
23% more repeat investments, than reductions
Existing positions increased: 355 | Existing positions reduced: 289
13% more first-time investments, than exits
New positions opened: 95 | Existing positions closed: 84
12% more capital inflows, than outflows
Capital inflows: $1.47B | Capital outflows: $1.32B
0.52% more ownership
Funds ownership: 89.25% → 89.77% (+0.52%)
0% more funds holding
Funds holding: 854 → 856 (+2)
32% less funds holding in top 10
Funds holding in top 10: 19 → 13 (-6)
51% less call options, than puts
Call options by funds: $17.2M | Put options by funds: $35.3M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$101M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
+$93.8M |
| 3 |
BNP Paribas Asset Management
Paris,
France
|
+$81.4M |
| 4 |
Capital International Investors
Los Angeles,
California
|
+$56.9M |
| 5 |
CIP
Champlain Investment Partners
Burlington,
Vermont
|
+$50.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Principal Financial Group
Des Moines,
Iowa
|
-$208M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
-$113M |
| 3 |
Orbis Allan Gray
Hamilton,
Bermuda
|
-$99M |
| 4 |
Erste Asset Management
Vienna,
Austria
|
-$65.2M |
| 5 |
Allspring Global Investments
Charlotte,
North Carolina
|
-$49.5M |
ACGL Hedge Fund Activity: Q2 2025 in Review
856 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Arch Capital (ACGL) for Q2 2025, worth a combined $30.6B — down 5% from $32.2B a quarter earlier.
Buyers outnumbered sellers: 95 funds opened new ACGL positions and 84 closed out — a net gain of 11 holders — while 355 added to existing stakes and 289 trimmed.
The largest buyer was Millennium Management, adding an estimated $101M. The largest seller was Principal Financial Group, cutting an estimated $208M.
- 856 institutional investors held Arch Capital (ACGL) as of Q2 2025, up from 854 in Q1 2025.
- Funds reported $30.6B of Arch Capital stock for Q2 2025, down 5% quarter-over-quarter.
- 95 funds opened new Arch Capital positions in Q2 2025 and 84 closed out, a net change of +11 holders.
- The largest Arch Capital buyer in Q2 2025 was Millennium Management, an estimated $101M added.
- The largest Arch Capital seller in Q2 2025 was Principal Financial Group, an estimated $208M sold.
Based on aggregated 13F filings for Q2 2025.