MKS Inc
MKSI
394 hedge funds and large institutions have $7.42B invested in MKS Inc in 2025 Q2 according to their latest regulatory filings, with 74 funds opening new positions, 152 increasing their positions, 133 reducing their positions, and 71 closing their positions.
687% more call options, than puts
Call options by funds: $198M | Put options by funds: $25.1M
33% more funds holding in top 10
Funds holding in top 10: 3 → 4 (+1)
29% more capital invested
Capital invested by funds: $5.73B → $7.42B (+$1.68B)
14% more repeat investments, than reductions
Existing positions increased: 152 | Existing positions reduced: 133
4.58% more ownership
Funds ownership: 106.09% → 110.67% (+4.6%)
4% more first-time investments, than exits
New positions opened: 74 | Existing positions closed: 71
1% less funds holding
Funds holding: 396 → 394 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$49.9M |
| 2 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
+$44.1M |
| 3 |
JP Morgan Chase
New York
|
+$39.2M |
| 4 |
Victory Capital Management
San Antonio,
Texas
|
+$38.8M |
| 5 |
CCM
Channing Capital Management
Chicago,
Illinois
|
+$35.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Nordea Investment Management
Stockholm,
Sweden
|
-$47.1M |
| 2 |
Millennium Management
New York
|
-$43.9M |
| 3 |
Point72 Asset Management
Stamford,
Connecticut
|
-$28.8M |
| 4 |
Nomura Holdings
Tokyo,
Japan
|
-$24.2M |
| 5 |
D.E. Shaw & Co
New York
|
-$24.1M |
MKSI Hedge Fund Activity: Q2 2025 in Review
394 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in MKS Inc (MKSI) for Q2 2025, worth a combined $7.42B — up 29% from $5.73B a quarter earlier.
Buyers outnumbered sellers: 74 funds opened new MKSI positions and 71 closed out — a net gain of 3 holders — while 152 added to existing stakes and 133 trimmed.
The largest buyer was T. Rowe Price Associates, adding an estimated $49.9M. The largest seller was Nordea Investment Management, cutting an estimated $47.1M.
- 394 institutional investors held MKS Inc (MKSI) as of Q2 2025, down from 396 in Q1 2025.
- Funds reported $7.42B of MKS Inc stock for Q2 2025, up 29% quarter-over-quarter.
- 74 funds opened new MKS Inc positions in Q2 2025 and 71 closed out, a net change of +3 holders.
- The largest MKS Inc buyer in Q2 2025 was T. Rowe Price Associates, an estimated $49.9M added.
- The largest MKS Inc seller in Q2 2025 was Nordea Investment Management, an estimated $47.1M sold.
Based on aggregated 13F filings for Q2 2025.