ACGL Institutional Ownership
Who owns Arch Capital Group Ltd. and what the big funds did with it last quarter, from every SEC 13F filing. 909 funds reported holding ACGL at Jun 30, 2026, together owning 91.6% of the company.
- ▼411 buying vs 477 selling
- ▼Held by funds -1.6 pts
- ▼Funds holding -12
- ▼Superinvestors: 1 added, 2 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 909 | 921 | −1.3% |
| In funds' top 10 | 16 | 14 | +14.3% |
| 13F shares | 313M | 318M | −1.7% |
| Held by funds | 91.6% | 93.2% | −1.6 pts |
| New positions | 96 | 94 | +2.1% |
| Increased | 315 | 323 | −2.5% |
| Reduced | 373 | 350 | +6.6% |
| Sold out | 104 | 105 | −1.0% |
| Calls (shares) | 76K | 17K | +336.4% |
| Puts (shares) | 48K | 9,100 | +430.8% |
| Put/call ratio | 0.64 | 0.53 | +21.6% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in ACGL
All superinvestors →
Who owns ACGL
share of fund held shares- Index and passive funds37.3%
- Active managers and hedge funds44.5%
- Banks and brokers14.3%
- Pensions, insurers and other3.9%
The top 10 holders own 49.6% of all ACGL shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
294 funds changed their position- KBC Group NVAdded+563K sh
- Principal Financial Group IncTrimmed−443K sh
- Cooke & Bieler LPTrimmed−388K sh
- AMF Tjanstepension ABAdded+309K sh
- ARGA Investment Management, LPNew+289K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.86% | 30.2M | $2.9B | −1.1M |
| 2 | Vanguard Capital Management LLC | 6.51% | 22.2M | $2.2B | −391K |
| 3 | Artisan Partners Limited Partnership | 6.33% | 21.6M | $2.1B | −1.1M |
| 4 | State Street Corp | 4.76% | 16.3M | $1.6B | +490 |
| 5 | Bamco Inc /ny/ | 4.65% | 15.9M | $1.5B | −837K |
| 6 | Vanguard Portfolio Management LLC | 4.26% | 14.5M | $1.4B | −185K |
| 7 | Wcm Investment Management, LLC | 3.51% | 12M | $1.2B | −629K |
| 8 | Geode Capital Management, LLC | 3.08% | 10.5M | $1B | −79K |
| 9 | Jpmorgan Chase & Co | 2.05% | 7M | $686M | +210K |
| 10 | Invesco Ltd. | 1.45% | 4.9M | $480M | +888K |
- Norges Bank+4.7M sh+$454M
- Arrowstreet Capital, Limited Partnership+2.6M sh+$251M
- Invesco Ltd.+888K sh+$86.2M
- High Ground Investment Management LLP+819K sh+$79.4M
- Jane Street Group, LLC+697K sh+$67.6M
- Allspring Global Investments Holdings, LLC+508K sh+$50.1M
- American Century Companies Inc+425K sh+$41.3M
- Clearbridge Investments, LLC+360K sh+$34.9M
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME−3.1M sh−$300M
- First Trust Advisors LP−2.2M sh−$212M
- AQR Capital Management LLC−1.4M sh−$134M
- BlackRock, Inc.−1.1M sh−$110M
- Egerton Capital (UK) LLP−1.1M sh−$107M
- Artisan Partners Limited Partnership−1.1M sh−$104M
- Champlain Investment Partners, LLC−892K sh−$86.5M
- Bamco Inc /ny/−837K sh−$81.3M
ACGL institutional ownership FAQ
Who owns the most ACGL stock?
In Q2 2026 13F filings the largest holder of ACGL was BlackRock, Inc., followed by Vanguard Capital Management LLC and Artisan Partners Limited Partnership. Index fund managers are usually the biggest holders of large companies.
What percentage of ACGL is owned by institutions?
Funds that file 13F reports held 91.6% of ACGL's shares at Jun 30, 2026, compared with 93.2% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying ACGL?
In Q2 2026, 411 funds bought ACGL (96 of them new positions) and 477 sold (104 sold out completely). Among well known investors, 1 added and 2 cut. Our fund sentiment for ACGL is strongly bearish.
What is ACGL's institutional put/call ratio?
Funds reported $4.7M of ACGL puts against $7.3M of calls, a put/call ratio of 0.64 (0.53 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this ACGL ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.