Arch Capital
ACGL
917 hedge funds and large institutions have $30.5B invested in Arch Capital in 2026 Q1 according to their latest regulatory filings, with 115 funds opening new positions, 324 increasing their positions, 355 reducing their positions, and 106 closing their positions.
8% more first-time investments, than exits
New positions opened: 115 | Existing positions closed: 106
0% more funds holding in top 10
Funds holding in top 10: 14 → 14 (0)
0% less funds holding
Funds holding: 921 → 917 (-4)
0.51% less ownership
Funds ownership: 89.68% → 89.17% (-0.51%)
2% less capital invested
Capital invested by funds: $31.2B → $30.5B (-$713M)
9% less repeat investments, than reductions
Existing positions increased: 324 | Existing positions reduced: 355
18% less call options, than puts
Call options by funds: $8.69M | Put options by funds: $10.6M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jones Financial Companies
Des Peres,
Missouri
|
+$201M |
| 2 |
Boston Partners
Boston,
Massachusetts
|
+$200M |
| 3 |
First Trust Advisors
Wheaton,
Illinois
|
+$192M |
| 4 |
ECU
Egerton Capital (UK)
London,
United Kingdom
|
+$107M |
| 5 |
HSBC Holdings
London,
United Kingdom
|
+$85.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BAMCO Inc
New York
|
-$122M |
| 2 |
Principal Financial Group
Des Moines,
Iowa
|
-$120M |
| 3 |
WCM Investment Management
Laguna Beach,
California
|
-$65.2M |
| 4 |
WorldQuant Millennium Advisors
New York
|
-$62.8M |
| 5 |
Nuveen
Charlotte,
North Carolina
|
-$62.1M |
ACGL Hedge Fund Activity: Q1 2026 in Review
917 of the 8,186 institutional investors tracked by Wall St. Rank reported a position in Arch Capital (ACGL) for Q1 2026, worth a combined $30.5B — down 2.3% from $31.2B a quarter earlier.
Buyers outnumbered sellers: 115 funds opened new ACGL positions and 106 closed out — a net gain of 9 holders — while 324 added to existing stakes and 355 trimmed.
The largest buyer was Jones Financial Companies, adding an estimated $201M. The largest seller was BAMCO Inc, cutting an estimated $122M.
- 917 institutional investors held Arch Capital (ACGL) as of Q1 2026, down from 921 in Q4 2025.
- Funds reported $30.5B of Arch Capital stock for Q1 2026, down 2.3% quarter-over-quarter.
- 115 funds opened new Arch Capital positions in Q1 2026 and 106 closed out, a net change of +9 holders.
- The largest Arch Capital buyer in Q1 2026 was Jones Financial Companies, an estimated $201M added.
- The largest Arch Capital seller in Q1 2026 was BAMCO Inc, an estimated $122M sold.
Based on aggregated 13F filings for Q1 2026.