Arch Capital Group: which funds bought and sold
Institutions that bought and sold Arch Capital Group shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 409 institutions that filed 13F reports for both quarters added to or opened positions in Arch Capital Group, and 476 cut or closed them. Together they sold a net 9.6M shares, −3.0% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 5.2M shares (−5.9%); index fund managers were net sellers of 2.0M shares (−1.9%). 93 opened a new position and 102 sold out entirely.
Bought, Q2 2026 409 institutions, 93 of them new holders Sold, Q2 2026 476 institutions, 102 of them sold out
Net change, all compared −9.6M shares (−3.0%)
Net change, active managers −5.2M shares (−5.9%), 29 bought, 39 sold
Buyers versus sellers
409 bought 105 476 sold
Active managers and hedge funds 29 bought · 39 sold · −5.2M
Index fund managers 4 bought · 8 sold · −2.0M
Other institutions 376 bought · 429 sold · −2.4M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Arrowstreet Capital, Limited Partnership Hedge fund | +2.6M +135.3% | 4.5M | $436M |
| American Century Companies Inc Active manager | +425K +45.3% | 1.4M | $132M |
| Clearbridge Investments, LLC Active manager | +360K +104.3% | 705K | $68.4M |
| Squarepoint Ops LLC Hedge fund | +220K +2311.0% | 229K | $22.2M |
| Capital Fund Management S.A. Hedge fund | +175K +289.4% | 236K | $22.9M |
| Citadel Advisors LLC Hedge fund | +173K +174.6% | 272K | $26.4M |
| Gotham Asset Management, LLC Hedge fund | +88K +126.1% | 158K | $15.4M |
| Wellington Management Group LLP Active manager | +80K +7.2% | 1.2M | $115M |
| GQG Partners LLC Active manager | +71K +4.3% | 1.7M | $167M |
| Boston Partners Active manager | +64K +3.0% | 2.2M | $209M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC | −3.1M −97.2% | 90K | $8.8M |
| First Trust Advisors LP | −2.2M −83.1% | 443K | $43M |
| AQR Capital Management LLC Hedge fund | −1.4M −50.4% | 1.4M | $131M |
| Blackrock, Inc. Index funds | −1.1M −3.6% | 30.2M | $2.9B |
| Egerton Capital (UK) LLP Hedge fund | −1.1M Sold out | 0 | — |
| Artisan Partners Limited Partnership Active manager | −1.1M −4.7% | 21.6M | $2.1B |
| Champlain Investment Partners, LLC Active manager | −892K −70.6% | 371K | $36M |
| BAMCO Inc Active manager | −837K −5.0% | 15.9M | $1.5B |
| Clark Capital Management Group, Inc. | −715K Sold out | 0 | — |
| WCM Investment Management, LLC Active manager | −629K −5.0% | 12.0M | $1.2B |
| Deutsche Bank Ag\ | −579K −28.7% | 1.4M | $140M |
| UBS Group AG | −576K −29.9% | 1.4M | $131M |
| Qube Research & Technologies Ltd Hedge fund | −562K Sold out | 0 | — |
| Capital International Investors Active manager | −547K −40.5% | 805K | $78.1M |
| Two Sigma Investments, LP Hedge fund | −486K −38.2% | 787K | $76.4M |
| Principal Financial Group Inc | −406K −12.4% | 2.9M | $278M |
| Vanguard Capital Management LLC Index funds | −391K −1.7% | 22.2M | $2.2B |
| Polar Capital Holdings PLC Active manager | −320K −9.7% | 3.0M | $289M |
| New York State Common Retirement Fund | −282K −42.2% | 386K | $37.5M |
| Madison Asset Management, LLC | −277K −6.8% | 3.8M | $369M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| AQR Capital Management LLC Hedge fund | −1.4M −50.4% | 1.4M | $131M |
| Egerton Capital (UK) LLP Hedge fund | −1.1M Sold out | 0 | — |
| Artisan Partners Limited Partnership Active manager | −1.1M −4.7% | 21.6M | $2.1B |
| Champlain Investment Partners, LLC Active manager | −892K −70.6% | 371K | $36M |
| BAMCO Inc Active manager | −837K −5.0% | 15.9M | $1.5B |
| WCM Investment Management, LLC Active manager | −629K −5.0% | 12.0M | $1.2B |
| Qube Research & Technologies Ltd Hedge fund | −562K Sold out | 0 | — |
| Capital International Investors Active manager | −547K −40.5% | 805K | $78.1M |
| Two Sigma Investments, LP Hedge fund | −486K −38.2% | 787K | $76.4M |
| Polar Capital Holdings PLC Active manager | −320K −9.7% | 3.0M | $289M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Caisse De Depot Et Placement Du Quebec | 330K | $32.1M |
| United Super Pty Ltd In Its Capacity As Trustee For The Construction & Building Unions Superannuation Fund | 231K | $22.5M |
| Capitolis Liquid Global Markets LLC | 114K | $11.1M |
| Cornerstone Advisors, LLC | 89K | $8.7M |
| Gw Henssler & Associates Ltd | 85K | $8.3M |
| HRT Financial LP | 83K | $8.1M |
| Winton Group LtdHedge fund | 48K | $4.6M |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 44K | $4.3M |
| Edgestream Partners, L.P.Hedge fund | 36K | $3.5M |
| Campbell & Co Investment Adviser LLC | 35K | $3.4M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Egerton Capital (UK) LLPHedge fund | 1.1M | $107M |
| Clark Capital Management Group, Inc. | 715K | $68.7M |
| Qube Research & Technologies LtdHedge fund | 562K | $53.9M |
| Prana Capital Management, LPHedge fund | 169K | $16.3M |
| Tredje Ap-Fonden | 149K | $14.3M |
| Westwind Capital | 90K | $8.6M |
| Fft Wealth Management LLC | 62K | $6M |
| Wedge Capital Management L L PActive manager | 54K | $5.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 47K | $4.5M |
| Lazard Asset Management LLCActive manager | 28K | $2.7M |
Who holds the shares
- Institutions reporting
- 901
- Ten largest holders
- 49.6% of 13F-reported shares
- Index fund managers
- 33.0% of 13F-reported shares
- Active managers and hedge funds
- 26.3% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 29 | 39 | 7 | 6 | −5.2M | −5.9% |
| Index fund managers | 4 | 8 | 0 | 0 | −2.0M | −1.9% |
| Other institutions | 376 | 429 | 86 | 96 | −2.4M | −2.0% |