Oil States International
OIS · NYSE
$8.29−$0.04 (−0.48%)TodayMarket closed ·
Prev close $8.33
Who owns OIS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 41.4% of OIS’s shares.
- BlackRock Institutional Trust Company, N.A.8.8%
- Dimensional Fund Advisors, L.P.5.0%
- Vanguard Capital Management, LLC4.0%
- American Century Investment Management, Inc.3.7%
- Next 6 largest institutions19.9%
- All other shareholders58.6%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 5.29M | 8.78% |
| Dimensional Fund Advisors, L.P. | 3.01M | 5.00% |
| Vanguard Capital Management, LLC | 2.42M | 4.02% |
| American Century Investment Management, Inc. | 2.21M | 3.68% |
| Taylor (Cindy B) | 2.21M | 3.66% |
| Acadian Asset Management LLC | 2.04M | 3.39% |
| D. E. Shaw & Co., L.P. | 2.02M | 3.35% |
| First Eagle Investment Management, L.L.C. | 2.01M | 3.33% |
| State Street Investment Management (US) | 1.98M | 3.29% |
| AQR Capital Management, LLC | 1.74M | 2.89% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Avantis US Small Cap Value ETF | 1.97M | 3.27% |
| First Eagle Small Cap Opportunity Fund | 1.76M | 2.93% |
| Vanguard Total Stock Market Index Fund | 1.72M | 2.86% |
| iShares Russell 2000 ETF | 1.48M | 2.45% |
| DFA US Small Cap Value Portfolio | 784.75K | 1.30% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of OIS in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| POTTER ROBERT L | Award | 1.57K | $12.50K |
| POTTER ROBERT L | Award | 1.56K | $12.50K |
| Castillo-Rhodes Denise | Award | 16.76K | — |
| Hollek Darrell E | Award | 16.76K | — |
| Vanderhider Hallie A. | Award | 16.76K | — |
| Wright E Joseph | Award | 16.76K | — |
| DICKERSON LAWRENCE R | Award | 16.76K | — |
| POTTER ROBERT L | Award | 16.76K | — |
| Autenrieth Matthew Earl | Award | 35.62K | — |
| Moses Philip Scott | Award | 13.36K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.21M
- Days to cover
- 3.17
- % of shares outstanding
- 3.68%
- Average daily volume
- 698.77K
- Change since last report
- −10.2%
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