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.
Holders of 5% or more of OIS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Oil States International, Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 7.40%4.60M shares | – | Apr 24, 20251 filing | Apr 24, 2025 | SEC |
| Dimensional Fund Advisors LP | 13G/A | 5.00%3.01M shares | −0.10 ppfrom 5.10% | Feb 12, 20214 filings | Jul 14, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
26 Schedule 13D and 13G filings on Oil States International, Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jul 28, 202612:39 PM ET | Franklin Resources Incand 2 others | 13G/A | 0.90%533.7K shares | –Below 5% | Jun 30, 2026 | SEC |
| Jul 14, 20261:27 PM ET | Dimensional Fund Advisors LP | 13G/A | 5.00%3.01M shares | −0.10 ppfrom 5.10% | Jun 30, 2026 | SEC |
| Mar 27, 202611:05 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −6.95 ppfrom 6.95%Below 5% | Mar 13, 2026 | SEC |
| Jul 29, 20252:14 PM ET | Vanguard Group Inc | 13G/A | 6.95%4.31M shares | – | Jun 30, 2025 | SEC |
| Apr 24, 20259:52 AM ET | BlackRock, Inc. | 13G/A | 7.40%4.60M shares | – | Mar 31, 2025 | SEC |
| Apr 15, 202512:18 PM ET | Dimensional Fund Advisors LP | 13G | 5.10%3.20M shares | – | Mar 31, 2025 | SEC |
| Apr 16, 2024 | Palisade Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2024 | Dimensional Fund Advisors LP | 13GOld format | – | – | – | SEC |
| Feb 6, 2024 | Franklin Resources Inc | 13GOld format | – | New | – | SEC |
| Feb 2, 2024 | Palisade Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Jan 19, 20242:40 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2023 | Palisade Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Jan 23, 20233:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2022 | Palisade Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Jan 28, 20221:54 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Aug 16, 2021 | Palisade Capital Management LLC | 13GOld format | – | New | – | SEC |
| Feb 12, 2021 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 20212:43 PM ET | Alliancebernstein L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2021 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Jan 25, 20214:49 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Oil States International, Inc shares.
No Form 144 notices for Oil States International, Inc are on file.