OIL STS INTL INC OIS
COM · Common Stock · CUSIP 678026105
American multinational corporation
- SectorIndustrials
- IndustryOil & Gas Field Machinery & Equipment
- HeadquartersHouston, TX
- Websiteoilstatesintl.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($3.9m this quarter). Holder counts are more reliable. Shares outstanding: 60.3m as of 2026-07-24, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $8.01. Options: 3 managers hold calls ($363.7k notional), 0 hold puts (—).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 165 |
| Q4 2022 | 159 |
| Q1 2023 | 172 |
| Q2 2023 | 174 |
| Q3 2023 | 176 |
| Q4 2023 | 182 |
| Q1 2024 | 174 |
| Q2 2024 | 150 |
| Q3 2024 | 155 |
| Q4 2024 | 151 |
| Q1 2025 | 158 |
| Q2 2025 | 153 |
| Q3 2025 | 159 |
| Q4 2025 | 182 |
| Q1 2026 | 219 |
| Q2 2026 | 200 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 75 | 72 |
| Q4 2024 | 69 | 84 |
| Q1 2025 | 92 | 64 |
| Q2 2025 | 83 | 86 |
| Q3 2025 | 87 | 63 |
| Q4 2025 | 89 | 78 |
| Q1 2026 | 132 | 76 |
| Q2 2026 | 100 | 112 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $1.2k | $2.0k | 1.65 |
| Q4 2025 | $10.2k | $2.7k | 0.27 |
| Q1 2026 | $902.1k | $1.2k | 0.00 |
| Q2 2026 | $363.7k | $0 | 0.00 |
Biggest buyers
| First Eagle Investment Management, LLC | Added | +2.0m |
| Qube Research & Technologies Ltd | Added | +923.9k |
| ALGERT GLOBAL LLC | Added | +799.8k |
| BlackRock, Inc. | Added | +508.7k |
| TWO SIGMA INVESTMENTS, LP | Added | +371.5k |
| Squarepoint Ops LLC | Added | +369.6k |
| AMERICAN CENTURY COMPANIES INC | Added | +364.9k |
| FMR LLC | Added | +291.9k |
| STATE STREET CORP | Added | +247.4k |
| FEDERATED HERMES, INC. | Added | +237.6k |
Biggest sellers
| Driehaus Capital Management LLC | Sold out | -1.3m |
| MARSHALL WACE, LLP | Reduced | -691.1k |
| JPMORGAN CHASE & CO | Reduced | -647.7k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -515.7k |
| JANE STREET GROUP, LLC | Sold out | -454.2k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | -442.4k |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | -310.1k |
| SEI INVESTMENTS CO | Reduced | -298.5k |
| Pacer Advisors, Inc. | Sold out | -243.9k |
| UBS Group AG | Reduced | -207.5k |
Biggest calls
| PEAK6 LLC | New | $255.5k31.9k shares |
| JANE STREET GROUP, LLC | Reduced | $103.3k12.9k shares |
| SIMPLEX TRADING, LLC | Added | $4.8k600 shares |
Biggest puts
| None |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-24 | 7.4% |
Fell to 5% or below in the last year: FRANKLIN RESOURCES INC (0.9%, 2026-07-28), DIMENSIONAL FUND ADVISORS LP (5.0%, 2026-07-14), VANGUARD GROUP INC (0.0%, 2026-03-27)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 1 | $99.6k | — |
| Q1 2026 | 0 | — | 1 | $493.6k | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 6.8m $54.6m | Added +508.7k |
| First Eagle Investment Management, LLC 0.03% of their portfolio | 4.0m $32.1m | Added +2.0m |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 3.0m $24.1m | Reduced -515.7k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 2.4m $19.4m | Added +547 |
| AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio | 2.2m $17.7m | Added +364.9k |
| ACADIAN ASSET MANAGEMENT LLC 0.02% of their portfolio | 2.0m $16.4m | Reduced -310.1k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 2.0m $16.2m | Reduced -149.3k |
| STATE STREET CORP 0.00% of their portfolio | 2.0m $15.9m | Added +247.4k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 1.7m $13.9m | Reduced -87.8k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 1.6m $13.0m | Reduced -11.7k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.4m $11.6m | Added +87.9k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 1.4m $11.6m | Added +371.5k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.18% of their portfolio | 1.3m $10.3m | Added +212.7k |
| MORGAN STANLEY 0.00% of their portfolio | 1.2m $9.7m | Reduced -144.0k |
| Qube Research & Technologies Ltd 0.01% of their portfolio | 1.1m $9.0m | Added +923.9k |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.03% of their portfolio | 1.1m $8.8m | Added +99.2k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 1.1m $8.7m | Reduced -47.6k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.12% of their portfolio | 840.2k $6.7m | Added +7.3k |
| ALGERT GLOBAL LLC 0.08% of their portfolio | 814.0k $6.5m | Added +799.8k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 667.8k $5.3m | Reduced -36.6k |
| FEDERATED HERMES, INC. 0.01% of their portfolio | 651.7k $5.2m | Added +237.6k |
| PANAGORA ASSET MANAGEMENT INC 0.02% of their portfolio | 650.3k $5.2m | Added +110.4k |
| UBS Group AG 0.00% of their portfolio | 646.0k $5.2m | Reduced -207.5k |
| Trexquant Investment LP 0.03% of their portfolio | 602.9k $4.8m | Added +51.7k |
| FMR LLC 0.00% of their portfolio | 558.5k $4.5m | Added +291.9k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 542.4k $4.3m | Reduced -159.6k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 533.7k $4.3m | Added +137.8k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 498.1k $4.0m | Added +36.5k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 459.4k $3.7m | Added +3.3k |
| NORGES BANK 0.00% of their portfolio | 445.1k $3.6m | Not comparable |
| Empowered Funds, LLC 0.02% of their portfolio | 409.5k $3.3m | Added +7.3k |
| Connor, Clark & Lunn Investment Management Ltd. 0.01% of their portfolio | 404.6k $3.2m | Added +43.1k |
| Squarepoint Ops LLC 0.01% of their portfolio | 399.7k $3.2m | Added +369.6k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 378.0k $3.0m | Added +68.5k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 369.4k $3.0m | Added +4.4k |
| Hara Capital LLC 1.42% of their portfolio | 335.8k $2.7m | Reduced -1.0k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 329.2k $2.6m | Added +4.7k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 309.9k $2.5m | Added +8.3k |
| GENDELL JEFFREY L 0.02% of their portfolio | 298.3k $2.4m | Unchanged |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.00% of their portfolio | 293.4k $2.3m | Reduced -6.0k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio | 279.0k $2.2m | Reduced -442.4k |
| Y-Intercept (Hong Kong) Ltd 0.04% of their portfolio | 250.2k $2.0m | Added +145.4k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 241.6k $1.9m | Reduced -691.1k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 220.2k $1.8m | Added +59.4k |
| LSV ASSET MANAGEMENT 0.00% of their portfolio | 201.4k $1.6m | Reduced -15.0k |
| Fisher Asset Management, LLC 0.00% of their portfolio | 198.3k $1.6m | Unchanged |
| Invesco Ltd. 0.00% of their portfolio | 197.3k $1.6m | Reduced -114.2k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 179.3k $1.4m | Reduced -14.6k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 174.2k $1.4m | Reduced -647.7k |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.01% of their portfolio | 172.6k $1.4m | Added +14.9k |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 163.5k $1.3m | Added +33.7k |
| Cambria Investment Management, L.P. 0.06% of their portfolio | 152.5k $1.2m | Added +93.8k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 150.6k $1.2m | Added +20.6k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 148.0k $1.2m | Reduced -7.8k |
| Creative Planning 0.00% of their portfolio | 146.3k $1.2m | Reduced -11.5k |
| SEI INVESTMENTS CO 0.00% of their portfolio | 143.2k $1.1m | Reduced -298.5k |
| WEDGE CAPITAL MANAGEMENT L L P/NC 0.02% of their portfolio | 137.6k $1.1m | Added +47.1k |
| Nuveen, LLC 0.00% of their portfolio | 135.6k $1.1m | Added +9.4k |
| MARTINGALE ASSET MANAGEMENT L P 0.03% of their portfolio | 134.3k $1.1m | Added +57.9k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 130.5k $1.0m | Added +42.5k |
| Point72 Asset Management, L.P. 0.00% of their portfolio | 118.8k $951.3k | Added +48.4k |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 117.7k $943.1k | Added +53.6k |
| Man Group plc 0.00% of their portfolio | 113.8k $911.6k | Added +72.5k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 110.0k $881.0k | Added +17.1k |
| IEQ CAPITAL, LLC 0.00% of their portfolio | 108.1k $866.1k | Reduced -46.5k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.02% of their portfolio | 106.8k $855.7k | Added +70.3k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 96.8k $775.2k | Added +1.4k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 91.1k $730.0k | Added +6.0k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 91.0k $728.8k | Unchanged |
| Brevan Howard Capital Management LP 0.01% of their portfolio | 89.1k $713.6k | Added +61.7k |
| STRS OHIO 0.00% of their portfolio | 88.5k $708.9k | Added +36.6k |
| JB CAPITAL PARTNERS LP 0.11% of their portfolio | 85.0k $680.9k | Unchanged |
| Inspire Investing, LLC 0.03% of their portfolio | 84.8k $679.1k | Added +40.5k |
| HRT FINANCIAL LP 0.00% of their portfolio | 83.6k $669.0k | Reduced -160.9k |
| Counterpoint Mutual Funds LLC 0.07% of their portfolio | 82.8k $663.1k | Added +9.7k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 75.0k $600.6k | Added +32.5k |
| Quantinno Capital Management LP 0.00% of their portfolio | 74.9k $599.8k | Added +29.7k |
| Campbell & CO Investment Adviser LLC 0.03% of their portfolio | 71.9k $576.3k | Reduced -58.0k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio | 70.9k $567.8k | Reduced -21.9k |
| Aquatic Capital Management LLC 0.02% of their portfolio | 69.6k $557.2k | New |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 69.5k $808.9k | Added +8.1k |
| Quantbot Technologies LP 0.02% of their portfolio | 65.7k $526.1k | Added +56.9k |
| Mariner, LLC 0.00% of their portfolio | 65.6k $525.4k | Reduced -20.6k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 64.4k $516.0k | Added +14.9k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 61.8k $494.7k | Reduced -54.1k |
| Magnetar Financial LLC 0.00% of their portfolio | 59.5k $477.0k | Added +6.8k |
| BARCLAYS PLC 0.00% of their portfolio | 54.9k $440.0k | Reduced -8.1k |
| Bleakley Financial Group, LLC 0.01% of their portfolio | 54.7k $438.2k | New |
| State of Wyoming 0.04% of their portfolio | 54.0k $432.6k | Added +2.4k |
| Teton Advisors, LLC 0.25% of their portfolio | 54.0k $432.5k | New |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio | 53.2k $443.2k | Added +3.2k |
| Assenagon Asset Management S.A. 0.00% of their portfolio | 50.7k $405.8k | Reduced -49.0k |
| WINTON GROUP Ltd 0.01% of their portfolio | 50.1k $401.6k | Reduced -37.8k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 49.4k $396.0k | Added +20.2k |
| Arax Advisory Partners 0.00% of their portfolio | 48.8k $390.8k | Added +39.9k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 48.0k $384.7k | Added +25.5k |
| Graham Capital Management, L.P. 0.01% of their portfolio | 47.4k $380.0k | Added +20.6k |
| FIFTH THIRD BANCORP 0.00% of their portfolio | 43.3k $346.8k | Added +14.6k |
| Orion Porfolio Solutions, LLC 0.00% of their portfolio | 40.6k $325.4k | New |
| MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio | 38.9k $311.6k | Reduced -1.9k |