MKS Inc: which funds bought and sold
Institutions that bought and sold MKS 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, 447 institutions that filed 13F reports for both quarters added to or opened positions in MKS, and 303 cut or closed them. Together they added a net 861K shares, +1.3% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 273K shares (−1.1%); index fund managers were net buyers of 382K shares (+2.0%). 203 opened a new position and 52 sold out entirely.
Bought, Q2 2026 447 institutions, 203 of them new holders Sold, Q2 2026 303 institutions, 52 of them sold out
Net change, all compared +861K shares (+1.3%)
Net change, active managers −273K shares (−1.1%), 39 bought, 54 sold
Buyers versus sellers
447 bought 64 303 sold
Active managers and hedge funds 39 bought · 54 sold · −273K
Index fund managers 8 bought · 4 sold · +382K
Other institutions 400 bought · 245 sold · +752K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Jpmorgan Chase & Co | +1.3M +60.9% | 3.4M | $1.4B |
| Alkeon Capital Management LLC Hedge fund | +1.1M New position | 1.1M | $477M |
| Invesco Ltd. | +940K +25.3% | 4.7M | $2.1B |
| Sachem Head Capital Management LP Hedge fund | +813K New position | 813K | $361M |
| Qube Research & Technologies Ltd Hedge fund | +532K +715.0% | 606K | $270M |
| Point72 Asset Management, L.P. Hedge fund | +387K +24.0% | 2.0M | $888M |
| TOMS Capital Investment Management LP Hedge fund | +293K New position | 293K | $130M |
| Blackrock, Inc. Index funds | +288K +4.3% | 6.9M | $3.1B |
| Aspex Management (HK) Ltd | +282K +18.3% | 1.8M | $810M |
| Price T Rowe Associates Inc Active manager | +190K +11.2% | 1.9M | $841M |
| Polar Capital Holdings PLC Active manager | +188K +260.7% | 260K | $116M |
| Northwestern Mutual Wealth Management Co | +173K +76880.9% | 173K | $77M |
| Morgan Stanley | +167K +32.3% | 682K | $303M |
| Evergreen Quality Fund Gp, Ltd. | +164K New position | 164K | $73M |
| Artemis Investment Management LLP Active manager | +142K New position | 142K | $63.2M |
| Rockefeller Capital Management L.P. | +134K +10756.9% | 135K | $60.2M |
| Marshall Wace, LLP Hedge fund | +126K +128.1% | 225K | $100M |
| Fenghe Fund Management Pte. Ltd. | +125K +27.5% | 582K | $259M |
| Spyglass Capital Management LLC Hedge fund | +119K New position | 119K | $52.7M |
| Goldman Sachs Group Inc | +116K +47.3% | 362K | $161M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Alkeon Capital Management LLC Hedge fund | +1.1M New position | 1.1M | $477M |
| Sachem Head Capital Management LP Hedge fund | +813K New position | 813K | $361M |
| Qube Research & Technologies Ltd Hedge fund | +532K +715.0% | 606K | $270M |
| Point72 Asset Management, L.P. Hedge fund | +387K +24.0% | 2.0M | $888M |
| TOMS Capital Investment Management LP Hedge fund | +293K New position | 293K | $130M |
| Price T Rowe Associates Inc Active manager | +190K +11.2% | 1.9M | $841M |
| Polar Capital Holdings PLC Active manager | +188K +260.7% | 260K | $116M |
| Artemis Investment Management LLP Active manager | +142K New position | 142K | $63.2M |
| Marshall Wace, LLP Hedge fund | +126K +128.1% | 225K | $100M |
| Spyglass Capital Management LLC Hedge fund | +119K New position | 119K | $52.7M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | −434K −22.5% | 1.5M | $667M |
| Wellington Management Group LLP Active manager | −417K −22.8% | 1.4M | $630M |
| Franklin Resources Inc Active manager | −390K −82.0% | 86K | $38.1M |
| Contour Asset Management LLC Hedge fund | −375K Sold out | 0 | — |
| Dimensional Fund Advisors LP | −302K −36.2% | 533K | $237M |
| American Century Companies Inc Active manager | −275K −98.0% | 5,567 | $2.5M |
| Victory Capital Management Inc Active manager | −270K −30.7% | 609K | $271M |
| Neuberger Berman Group LLC Active manager | −268K −18.7% | 1.2M | $518M |
| Citadel Advisors LLC Hedge fund | −249K −26.3% | 698K | $310M |
| Millennium Management LLC Hedge fund | −249K −27.9% | 645K | $287M |
| Jane Street Group, LLC | −239K −98.2% | 4,370 | $1.9M |
| Blue Grotto Capital, LLC | −226K −60.2% | 149K | $66.5M |
| Samlyn Capital, LLC Hedge fund | −215K −43.2% | 282K | $125M |
| Bank Of New York Mellon Corp | −174K −20.9% | 659K | $293M |
| Nomura Holdings Inc | −173K −64.1% | 97K | $43.1M |
| Voloridge Investment Management, LLC Hedge fund | −153K −92.1% | 13K | $5.8M |
| Balyasny Asset Management L.P. Hedge fund | −147K −36.1% | 260K | $116M |
| Royce & Associates LP Active manager | −142K −35.2% | 262K | $116M |
| Principal Financial Group Inc | −140K −22.7% | 475K | $211M |
| Two Sigma Investments, LP Hedge fund | −135K −48.6% | 143K | $63.8M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | −434K −22.5% | 1.5M | $667M |
| Wellington Management Group LLP Active manager | −417K −22.8% | 1.4M | $630M |
| Franklin Resources Inc Active manager | −390K −82.0% | 86K | $38.1M |
| Contour Asset Management LLC Hedge fund | −375K Sold out | 0 | — |
| American Century Companies Inc Active manager | −275K −98.0% | 5,567 | $2.5M |
| Victory Capital Management Inc Active manager | −270K −30.7% | 609K | $271M |
| Neuberger Berman Group LLC Active manager | −268K −18.7% | 1.2M | $518M |
| Citadel Advisors LLC Hedge fund | −249K −26.3% | 698K | $310M |
| Millennium Management LLC Hedge fund | −249K −27.9% | 645K | $287M |
| Samlyn Capital, LLC Hedge fund | −215K −43.2% | 282K | $125M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Alkeon Capital Management LLCHedge fund | 1.1M | $477M |
| Sachem Head Capital Management LPHedge fund | 813K | $361M |
| TOMS Capital Investment Management LPHedge fund | 293K | $130M |
| Evergreen Quality Fund Gp, Ltd. | 164K | $73M |
| Artemis Investment Management LLPActive manager | 142K | $63.2M |
| Spyglass Capital Management LLCHedge fund | 119K | $52.7M |
| Glenview Capital Management, LLCHedge fund | 99K | $43.8M |
| Marsico Capital Management LLCActive manager | 88K | $39.2M |
| T. Rowe Price Investment Management, Inc.Active manager | 74K | $32.8M |
| Wealth High Governance Asset Management Ltda. | 72K | $32.2M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Contour Asset Management LLCHedge fund | 375K | $86.1M |
| Polaris Capital Management, LLC | 135K | $31M |
| Rivermont Capital Management LP | 88K | $20.1M |
| Tudor Investment Corp Et AlHedge fund | 81K | $18.7M |
| Tairen Capital Ltd | 69K | $15.7M |
| SEB Asset Management AB | 52K | $12M |
| Shellback Capital, LP | 41K | $9.5M |
| Tyro Capital Management LLC | 37K | $8.5M |
| Jain Global LLCHedge fund | 34K | $7.9M |
| Fora Capital, LLC | 10K | $2.3M |
Who holds the shares
- Institutions reporting
- 773
- Ten largest holders
- 44.4% of 13F-reported shares
- Index fund managers
- 27.4% of 13F-reported shares
- Active managers and hedge funds
- 33.2% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 39 | 54 | 20 | 6 | −273K | −1.1% |
| Index fund managers | 8 | 4 | 0 | 0 | +382K | +2.0% |
| Other institutions | 400 | 245 | 183 | 46 | +752K | +2.9% |