MKS Inc
MKSI
776 hedge funds and large institutions have $31.3B invested in MKS Inc in 2026 Q2 according to their latest regulatory filings, with 215 funds opening new positions, 242 increasing their positions, 255 reducing their positions, and 53 closing their positions.
586% more call options, than puts
Call options by funds: $2.24B | Put options by funds: $326M
306% more first-time investments, than exits
New positions opened: 215 | Existing positions closed: 53
99% more capital invested
Capital invested by funds: $15.8B → $31.3B (+$15.6B)
50% more funds holding in top 10
Funds holding in top 10: 24 → 36 (+12)
25% more funds holding
Funds holding: 620 → 776 (+156)
2.43% more ownership
Funds ownership: 102.49% → 104.92% (+2.4%)
5% less repeat investments, than reductions
Existing positions increased: 242 | Existing positions reduced: 255
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
+$400M |
| 2 |
Alkeon Capital Management
New York
|
+$335M |
| 3 |
Invesco
Atlanta,
Georgia
|
+$294M |
| 4 |
SHCM
Sachem Head Capital Management
New York
|
+$254M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$166M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$136M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
-$131M |
| 3 |
Franklin Resources
San Mateo,
California
|
-$122M |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
-$94.6M |
| 5 |
American Century Companies
Kansas City,
Missouri
|
-$86.2M |
MKSI Hedge Fund Activity: Q2 2026 in Review
776 of the 8,349 institutional investors tracked by Wall St. Rank reported a position in MKS Inc (MKSI) for Q2 2026, worth a combined $31.3B — up 99% from $15.8B a quarter earlier.
Buyers outnumbered sellers: 215 funds opened new MKSI positions and 53 closed out — a net gain of 162 holders — while 242 added to existing stakes and 255 trimmed.
The largest buyer was JP Morgan Chase, adding an estimated $400M. The largest seller was Fidelity Investments, cutting an estimated $136M.
- 776 institutional investors held MKS Inc (MKSI) as of Q2 2026, up from 620 in Q1 2026.
- Funds reported $31.3B of MKS Inc stock for Q2 2026, up 99% quarter-over-quarter.
- 215 funds opened new MKS Inc positions in Q2 2026 and 53 closed out, a net change of +162 holders.
- The largest MKS Inc buyer in Q2 2026 was JP Morgan Chase, an estimated $400M added.
- The largest MKS Inc seller in Q2 2026 was Fidelity Investments, an estimated $136M sold.
Based on aggregated 13F filings for Q2 2026.