OIS Institutional Ownership
Who owns Oil States International, Inc and what the big funds did with it last quarter, from every SEC 13F filing. 199 funds reported holding OIS at Jun 30, 2026, together owning 92.8% of the company.
- ●99 buying vs 110 selling
- ▲Held by funds +2.1 pts
- ▼Funds holding -18
- ●Superinvestors: 2 added, 2 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 199 | 217 | −8.3% |
| In funds' top 10 | 0 | 1 | −100.0% |
| 13F shares | 55.5M | 54.3M | +2.3% |
| Held by funds | 92.8% | 90.7% | +2.1 pts |
| New positions | 24 | 55 | −56.4% |
| Increased | 75 | 76 | −1.3% |
| Reduced | 71 | 57 | +24.6% |
| Sold out | 39 | 19 | +105.3% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in OIS
All superinvestors →
Who owns OIS
share of fund held shares- Index and passive funds35.4%
- Active managers and hedge funds55.0%
- Banks and brokers8.0%
- Pensions, insurers and other1.5%
The top 10 holders own 50.2% of all OIS shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
33 funds changed their position- Creative PlanningAdded+124K sh
- Y-Intercept (Hong Kong) LtdTrimmed−119K sh
- Counterpoint Mutual Funds LLCSold out−83K sh
- State of WyomingTrimmed−54K sh
- Wedge Capital Management L L P/ncAdded+37K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 11.40% | 6.8M | $54.6M | +509K |
| 2 | First Eagle Investment Management, LLC | 6.71% | 4M | $32.1M | +2M |
| 3 | Dimensional Fund Advisors LP | 5.03% | 3M | $24.1M | −516K |
| 4 | Vanguard Capital Management LLC | 4.04% | 2.4M | $19.4M | +547 |
| 5 | American Century Companies Inc | 3.70% | 2.2M | $17.7M | +365K |
| 6 | Acadian Asset Management LLC | 3.41% | 2M | $16.4M | −310K |
| 7 | D. E. Shaw & Co., Inc. | 3.37% | 2M | $16.2M | −149K |
| 8 | State Street Corp | 3.31% | 2M | $15.9M | +247K |
| 9 | AQR Capital Management LLC | 2.90% | 1.7M | $13.9M | −88K |
| 10 | Vanguard Portfolio Management LLC | 2.72% | 1.6M | $13M | −12K |
- First Eagle Investment Management, LLC+2M sh+$15.8M
- Qube Research & Technologies Ltd+924K sh+$7.4M
- Algert Global LLC+800K sh+$6.4M
- BlackRock, Inc.+509K sh+$4.1M
- Norges Bank+445K sh+$3.6M
- Two Sigma Investments, LP+371K sh+$3M
- Squarepoint Ops LLC+370K sh+$3M
- American Century Companies Inc+365K sh+$2.9M
- Driehaus Capital Management LLC−1.3M sh−$15.5M
- Marshall Wace, LLP−691K sh−$5.5M
- Jane Street Group, LLC−454K sh−$5.3M
- Jpmorgan Chase & Co−648K sh−$5.2M
- Dimensional Fund Advisors LP−516K sh−$4.1M
- Arrowstreet Capital, Limited Partnership−442K sh−$3.5M
- Pacer Advisors, Inc.−244K sh−$2.8M
- Acadian Asset Management LLC−310K sh−$2.5M
OIS institutional ownership FAQ
Who owns the most OIS stock?
In Q2 2026 13F filings the largest holder of OIS was BlackRock, Inc., followed by First Eagle Investment Management, LLC and Dimensional Fund Advisors LP. Index fund managers are usually the biggest holders of large companies.
What percentage of OIS is owned by institutions?
Funds that file 13F reports held 92.8% of OIS's shares at Jun 30, 2026, compared with 90.7% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying OIS?
In Q2 2026, 99 funds bought OIS (24 of them new positions) and 110 sold (39 sold out completely). Among well known investors, 2 added and 2 cut. Our fund sentiment for OIS is neutral.
What is OIS's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this OIS ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.