Oil States International
OIS
199 hedge funds and large institutions have $429M invested in Oil States International in 2026 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 76 increasing their positions, 73 reducing their positions, and 40 closing their positions.
4% more repeat investments, than reductions
Existing positions increased: 76 | Existing positions reduced: 73
1.29% less ownership
Funds ownership: 90.13% → 88.84% (-1.3%)
8% less funds holding
Funds holding: 217 → 199 (-18)
32% less capital invested
Capital invested by funds: $631M → $429M (-$203M)
38% less first-time investments, than exits
New positions opened: 25 | Existing positions closed: 40
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$8.75M |
| 2 |
AG
Algert Global
San Francisco,
California
|
+$7.58M |
| 3 |
BlackRock
New York
|
+$4.82M |
| 4 |
Two Sigma Investments
New York
|
+$3.52M |
| 5 |
Squarepoint
New York
|
+$3.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$15.5M |
| 2 |
Marshall Wace
London,
United Kingdom
|
-$6.55M |
| 3 |
JP Morgan Chase
New York
|
-$6.14M |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
-$4.89M |
| 5 |
Jane Street
New York
|
-$4.3M |
OIS Hedge Fund Activity: Q2 2026 in Review
199 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Oil States International (OIS) for Q2 2026, worth a combined $429M — down 32% from $631M a quarter earlier.
Sellers outnumbered buyers: 40 funds closed out of OIS and 25 opened new positions — a net loss of 15 holders — while 73 trimmed existing stakes and 76 added.
The largest buyer was Qube Research & Technologies (QRT), adding an estimated $8.75M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $15.5M sold.
- 199 institutional investors held Oil States International (OIS) as of Q2 2026, down from 217 in Q1 2026.
- Funds reported $429M of Oil States International stock for Q2 2026, down 32% quarter-over-quarter.
- 25 funds opened new Oil States International positions in Q2 2026 and 40 closed out, a net change of -15 holders.
- The largest Oil States International buyer in Q2 2026 was Qube Research & Technologies (QRT), an estimated $8.75M added.
- The largest Oil States International seller in Q2 2026 was Driehaus Capital Management, an estimated $15.5M sold.
Based on aggregated 13F filings for Q2 2026.