Oil States International, Inc
OIS- Exchange
- NYSE
- Industry
- Oil & Gas Field Machinery & Equipment
- SEC CIK
- 0001121484
No open-market purchases or sales by Oil States International, Inc insiders were filed in the last 90 days; 200 institutions reported holding it in 13F filings for Q2 2026, worth $428.5M in total; no superinvestor holds it.
Q1 2026 vs. Q4 2025
How the institutions holding Oil States International, Inc changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 182 | 4 | 219 | +41 |
| Shares | 51.0M | 4.58M | 54.3M | +7.82M (+16.8%) |
| Value | $345.5M | $31.0M | $631.3M | +$316.8M (+100.7%) |
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (60)
Institutions that held Oil States International, Inc at the end of Q1 2026 but not at the end of Q4 2025.
Sold out (19)
Institutions that held Oil States International, Inc at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Thomist Capital Management, LP | 288,084 | $1.98M |
| Two Sigma Advisers, LP | 203,355 | $1.38M |
| Walleye Capital LLC | 89,197 | $603.9K |
| Bailard, Inc. | 45,000 | $304.6K |
| Verition Fund Management LLC | 38,422 | $260.1K |
| Aquatic Capital Management LLC | 20,335 | $137.7K |
| Prelude Capital Management, LLC | 19,901 | $134.7K |
| Keebeck Alpha, LP | 11,801 | $79.9K |
| Virtu Financial LLC | 11,443 | $77.0K |
| ProShare Advisors LLC | 10,308 | $69.8K |
| New York State Teachers Retirement System | 5,291 | $36.0K |
| GWM Advisors LLC | 1,847 | $12.5K |
| Amalgamated Bank | 1,772 | $12.0K |
| Investors Research Corp | 900 | $6.09K |
| Quarry LP | 650 | $4.40K |
| Advisor Group Holdings, Inc. | 250 | $1.69K |
| Optima Capital LLC | 100 | $677 |
| North Star Investment Management Corp. | 73 | $494 |
| Clearstead Advisors, LLC | 46 | $312 |
Not filed for Q1 2026 yet (4)
Institutions that held Oil States International, Inc at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Vanguard Group Inc | 4,480,163 | $30.3M |
| Brandywine Global Investment Management, LLC | 57,410 | $388.7K |
| Comerica Bank | 42,277 | $286.2K |
| Global Retirement Partners, LLC | 700 | $4.74K |