MKS Inc
MKSI
397 hedge funds and large institutions have $5.73B invested in MKS Inc in 2025 Q1 according to their latest regulatory filings, with 59 funds opening new positions, 169 increasing their positions, 121 reducing their positions, and 79 closing their positions.
847% more call options, than puts
Call options by funds: $155M | Put options by funds: $16.4M
40% more repeat investments, than reductions
Existing positions increased: 169 | Existing positions reduced: 121
1.37% more ownership
Funds ownership: 104.72% → 106.09% (+1.4%)
5% less funds holding
Funds holding: 420 → 397 (-23)
22% less capital invested
Capital invested by funds: $7.36B → $5.73B (-$1.63B)
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
25% less first-time investments, than exits
New positions opened: 59 | Existing positions closed: 79
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$96.8M |
| 2 |
CCM
Channing Capital Management
Chicago,
Illinois
|
+$55.8M |
| 3 |
MAM
Madison Asset Management
Madison,
Wisconsin
|
+$49.9M |
| 4 |
KCM
Kodai Capital Management
Chicago,
Illinois
|
+$41.5M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
+$39.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
-$75.7M |
| 2 |
CVA
Ceredex Value Advisors
Orlando,
Florida
|
-$47.3M |
| 3 |
Fisher Asset Management
Camas,
Washington
|
-$35.8M |
| 4 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$31.4M |
| 5 |
Nordea Investment Management
Stockholm,
Sweden
|
-$25.4M |
MKSI Hedge Fund Activity: Q1 2025 in Review
397 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in MKS Inc (MKSI) for Q1 2025, worth a combined $5.73B — down 22% from $7.36B a quarter earlier.
Sellers outnumbered buyers: 79 funds closed out of MKSI and 59 opened new positions — a net loss of 20 holders — while 121 trimmed existing stakes and 169 added.
The largest buyer was Wellington Management Group, adding an estimated $96.8M. The largest seller was Goldman Sachs, cutting an estimated $75.7M.
- 397 institutional investors held MKS Inc (MKSI) as of Q1 2025, down from 420 in Q4 2024.
- Funds reported $5.73B of MKS Inc stock for Q1 2025, down 22% quarter-over-quarter.
- 59 funds opened new MKS Inc positions in Q1 2025 and 79 closed out, a net change of -20 holders.
- The largest MKS Inc buyer in Q1 2025 was Wellington Management Group, an estimated $96.8M added.
- The largest MKS Inc seller in Q1 2025 was Goldman Sachs, an estimated $75.7M sold.
Based on aggregated 13F filings for Q1 2025.