Somnigroup International Inc.: which funds bought and sold
Institutions that bought and sold Somnigroup International 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, 298 institutions that filed 13F reports for both quarters added to or opened positions in Somnigroup International, and 267 cut or closed them. Together they added a net 10.8M shares, +5.1% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 6.4M shares (+6.6%); index fund managers were net sellers of 1.6M shares (−2.9%). 92 opened a new position and 88 sold out entirely.
Bought, Q2 2026 298 institutions, 92 of them new holders Sold, Q2 2026 267 institutions, 88 of them sold out
Net change, all compared +10.8M shares (+5.1%)
Net change, active managers +6.4M shares (+6.6%), 49 bought, 34 sold
Buyers versus sellers
298 bought 49 267 sold
Active managers and hedge funds 49 bought · 34 sold · +6.4M
Index fund managers 4 bought · 8 sold · −1.6M
Other institutions 245 bought · 225 sold · +6.0M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Castle Hook Partners LP Hedge fund | +1.5M +16894.3% | 1.6M | $122M |
| Avantyr Capital Partners, LP | +1.5M +244.9% | 2.2M | $169M |
| Cartenna Capital, LP | +1.3M +1700.0% | 1.4M | $106M |
| Luxor Capital Group, LP Hedge fund | +1.2M New position | 1.2M | $94.7M |
| Morgan Stanley | +1.1M +53.6% | 3.2M | $251M |
| Steadfast Capital Management LP Hedge fund | +1.1M +102.2% | 2.1M | $166M |
| Fil Ltd Active manager | +1.1M +243783.3% | 1.1M | $83.4M |
| Citadel Advisors LLC Hedge fund | +1.0M +145.7% | 1.7M | $133M |
| Goldman Sachs Group Inc | +979K +57.4% | 2.7M | $210M |
| UBS Group AG | +856K +57.1% | 2.4M | $185M |
| Schonfeld Strategic Advisors LLC Hedge fund | +780K +571.1% | 916K | $71.8M |
| Engineers Gate Manager LP Hedge fund | +765K New position | 765K | $60M |
| Point72 Asset Management, L.P. Hedge fund | +661K +29.8% | 2.9M | $226M |
| Boston Partners Active manager | +653K +17.2% | 4.5M | $349M |
| Wolf Hill Capital Management, LP Hedge fund | +650K New position | 650K | $51M |
| Artemis Investment Management LLP Active manager | +644K +170.2% | 1.0M | $80.2M |
| Empyrean Capital Partners, LP Hedge fund | +632K New position | 632K | $49.5M |
| Citigroup Inc | +601K +664.1% | 691K | $54.2M |
| London Co Of Virginia Active manager | +587K +18.5% | 3.8M | $295M |
| Maplelane Capital, LLC Hedge fund | +579K New position | 579K | $45.4M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Castle Hook Partners LP Hedge fund | +1.5M +16894.3% | 1.6M | $122M |
| Luxor Capital Group, LP Hedge fund | +1.2M New position | 1.2M | $94.7M |
| Steadfast Capital Management LP Hedge fund | +1.1M +102.2% | 2.1M | $166M |
| Fil Ltd Active manager | +1.1M +243783.3% | 1.1M | $83.4M |
| Citadel Advisors LLC Hedge fund | +1.0M +145.7% | 1.7M | $133M |
| Schonfeld Strategic Advisors LLC Hedge fund | +780K +571.1% | 916K | $71.8M |
| Engineers Gate Manager LP Hedge fund | +765K New position | 765K | $60M |
| Point72 Asset Management, L.P. Hedge fund | +661K +29.8% | 2.9M | $226M |
| Boston Partners Active manager | +653K +17.2% | 4.5M | $349M |
| Wolf Hill Capital Management, LP Hedge fund | +650K New position | 650K | $51M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Darsana Capital Partners LP Hedge fund | −2.7M Sold out | 0 | — |
| Linonia Partnership LP | −2.2M −24.6% | 6.6M | $519M |
| FMR LLC Active manager | −1.5M −5.5% | 26.3M | $2.1B |
| Eminence Capital, LP Hedge fund | −1.5M Sold out | 0 | — |
| Blackrock, Inc. Index funds | −915K −4.5% | 19.2M | $1.5B |
| Geode Capital Management, LLC Index funds | −851K −17.5% | 4.0M | $314M |
| Voloridge Investment Management, LLC Hedge fund | −690K Sold out | 0 | — |
| Jpmorgan Chase & Co | −596K −13.7% | 3.7M | $293M |
| Qube Research & Technologies Ltd Hedge fund | −541K Sold out | 0 | — |
| Renaissance Technologies LLC Hedge fund | −494K Sold out | 0 | — |
| Select Equity Group, L.P. Active manager | −381K −4.1% | 8.9M | $697M |
| Avala Global LP Hedge fund | −313K −18.6% | 1.4M | $108M |
| Squarepoint Ops LLC Hedge fund | −302K −86.7% | 46K | $3.6M |
| Marshall Wace, LLP Hedge fund | −266K −45.2% | 322K | $25.3M |
| Makena Capital Management LLC | −251K Sold out | 0 | — |
| Arrowmark Colorado Holdings LLC | −239K −71.0% | 98K | $7.7M |
| Vanguard Portfolio Management LLC Index funds | −217K −2.6% | 8.2M | $645M |
| Price T Rowe Associates Inc Active manager | −210K −29.0% | 513K | $40.2M |
| Jane Street Group, LLC | −185K −94.4% | 11K | $853,855 |
| Soros Fund Management LLC Hedge fund | −165K −92.4% | 14K | $1.1M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Darsana Capital Partners LP Hedge fund | −2.7M Sold out | 0 | — |
| FMR LLC Active manager | −1.5M −5.5% | 26.3M | $2.1B |
| Eminence Capital, LP Hedge fund | −1.5M Sold out | 0 | — |
| Voloridge Investment Management, LLC Hedge fund | −690K Sold out | 0 | — |
| Qube Research & Technologies Ltd Hedge fund | −541K Sold out | 0 | — |
| Renaissance Technologies LLC Hedge fund | −494K Sold out | 0 | — |
| Select Equity Group, L.P. Active manager | −381K −4.1% | 8.9M | $697M |
| Avala Global LP Hedge fund | −313K −18.6% | 1.4M | $108M |
| Squarepoint Ops LLC Hedge fund | −302K −86.7% | 46K | $3.6M |
| Marshall Wace, LLP Hedge fund | −266K −45.2% | 322K | $25.3M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Luxor Capital Group, LPHedge fund | 1.2M | $94.7M |
| Engineers Gate Manager LPHedge fund | 765K | $60M |
| Wolf Hill Capital Management, LPHedge fund | 650K | $51M |
| Empyrean Capital Partners, LPHedge fund | 632K | $49.5M |
| Maplelane Capital, LLCHedge fund | 579K | $45.4M |
| Interval Partners, LPHedge fund | 317K | $24.9M |
| Ceredex Value Advisors LLC | 307K | $24.1M |
| Clough Capital Partners L PHedge fund | 254K | $19.9M |
| USS Investment Management Ltd | 165K | $13M |
| Governors Lane LPHedge fund | 151K | $11.8M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Darsana Capital Partners LPHedge fund | 2.7M | $196M |
| Eminence Capital, LPHedge fund | 1.5M | $112M |
| Voloridge Investment Management, LLCHedge fund | 690K | $51M |
| Qube Research & Technologies LtdHedge fund | 541K | $40M |
| Renaissance Technologies LLCHedge fund | 494K | $36.5M |
| Makena Capital Management LLC | 251K | $18.6M |
| Watchtower Advisors, LP | 140K | $10.3M |
| Trexquant Investment LPHedge fund | 139K | $10.3M |
| Driehaus Capital Management LLCActive manager | 135K | $10M |
| Twinbeech Capital LP | 122K | $9M |
Who holds the shares
- Institutions reporting
- 534
- Ten largest holders
- 47.4% of 13F-reported shares
- Index fund managers
- 23.6% of 13F-reported shares
- Active managers and hedge funds
- 46.4% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 49 | 34 | 17 | 13 | +6.4M | +6.6% |
| Index fund managers | 4 | 8 | 0 | 0 | −1.6M | −2.9% |
| Other institutions | 245 | 225 | 75 | 75 | +6.0M | +10.1% |
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