Oil States International
OIS
180 hedge funds and large institutions have $345M invested in Oil States International in 2025 Q4 according to their latest regulatory filings, with 35 funds opening new positions, 56 increasing their positions, 66 reducing their positions, and 13 closing their positions.
233% more call options, than puts
Call options by funds: $10K | Put options by funds: $3K
169% more first-time investments, than exits
New positions opened: 35 | Existing positions closed: 13
14% more funds holding
Funds holding: 158 → 180 (+22)
7% more capital invested
Capital invested by funds: $322M → $345M (+$23.6M)
2.27% less ownership
Funds ownership: 87.67% → 85.4% (-2.3%)
15% less repeat investments, than reductions
Existing positions increased: 56 | Existing positions reduced: 66
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TI
Trexquant Investment
Stamford,
Connecticut
|
+$1.98M |
| 2 |
TCM
Thomist Capital Management
Houston,
Texas
|
+$1.85M |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
+$1.55M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$1.35M |
| 5 |
Charles Schwab
San Francisco,
California
|
+$1.23M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HIM
Hillsdale Investment Management
Toronto,
Ontario, Canada
|
-$7.79M |
| 2 |
Prudential Financial
Newark,
New Jersey
|
-$3.51M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$3.5M |
| 4 |
EF
Empowered Funds
Havertown,
Pennsylvania
|
-$2.96M |
| 5 |
N
Nuveen
Charlotte,
North Carolina
|
-$1.89M |
OIS Hedge Fund Activity: Q4 2025 in Review
180 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Oil States International (OIS) for Q4 2025, worth a combined $345M — up 7.3% from $322M a quarter earlier.
Buyers outnumbered sellers: 35 funds opened new OIS positions and 13 closed out — a net gain of 22 holders — while 56 added to existing stakes and 66 trimmed.
The largest buyer was Trexquant Investment, adding an estimated $1.98M. The largest seller was Hillsdale Investment Management, cutting an estimated $7.79M.
- 180 institutional investors held Oil States International (OIS) as of Q4 2025, up from 158 in Q3 2025.
- Funds reported $345M of Oil States International stock for Q4 2025, up 7.3% quarter-over-quarter.
- 35 funds opened new Oil States International positions in Q4 2025 and 13 closed out, a net change of +22 holders.
- The largest Oil States International buyer in Q4 2025 was Trexquant Investment, an estimated $1.98M added.
- The largest Oil States International seller in Q4 2025 was Hillsdale Investment Management, an estimated $7.79M sold.
Based on aggregated 13F filings for Q4 2025.