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.
13F holders, Q1 2026
Institutional positions in Oil States International, Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 219
- +41 vs. Q4 2025
- Shares held
- 54.3M
- +7.82M (+16.8%) vs. Q4 2025
- Total value
- $631.3M
- +$316.8M (+100.7%) vs. Q4 2025
- New holders
- 60
- 76 more added
- Sold out
- 19
- 57 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OIS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 200 | $428.5M |
| Q1 2026 | 219 | $631.3M |
| Q4 2025 | 182 | $345.5M |
| Q3 2025 | 159 | $321.9M |
| Q2 2025 | 152 | $277.5M |
| Q1 2025 | 157 | $262.4M |
| Q4 2024 | 150 | $248.4M |
| Q3 2024 | 154 | $227.2M |
| Q2 2024 | 149 | $234.2M |
| Q1 2024 | 173 | $347.7M |
| Q4 2023 | 181 | $403.4M |
| Q3 2023 | 175 | $479.0M |
| Q2 2023 | 173 | $428.5M |
| Q1 2023 | 171 | $477.2M |
| Q4 2022 | 158 | $433.0M |
| Q3 2022 | 164 | $221.7M |
| Q2 2022 | 164 | $309.1M |
| Q1 2022 | 165 | $400.9M |
| Q4 2021 | 145 | $268.3M |
| Q3 2021 | 147 | $344.8M |
| Q2 2021 | 150 | $433.4M |
| Q1 2021 | 146 | $305.7M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Oil States International, Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,309,631 | $73.4M | 0.00% | −348,182−5.2% | Reduced |
| Dimensional Fund Advisors LP | 3,522,143 | $41.0M | 0.01% | +89,456+2.6% | Added |
| Vanguard Capital Management LLC | 2,417,559 | $28.1M | 0.00% | +2,417,559 | New |
| Acadian Asset Management LLC | 2,352,385 | $27.4M | 0.04% | −86,237−3.5% | Reduced |
| D. E. Shaw & Co., Inc. | 2,167,272 | $25.2M | 0.02% | −481,836−18.2% | Reduced |
| First Eagle Investment Management, LLC | 2,043,709 | $23.8M | 0.04% | −537,965−20.8% | Reduced |
| American Century Companies Inc | 1,848,308 | $21.5M | 0.01% | +233,176+14.4% | Added |
| AQR Capital Management LLC | 1,824,715 | $21.2M | 0.01% | +44,171+2.5% | Added |
| State Street Corp | 1,733,499 | $20.2M | 0.00% | +283,812+19.6% | Added |
| Vanguard Portfolio Management LLC | 1,636,824 | $19.1M | 0.00% | +1,636,824 | New |
| Geode Capital Management, LLC | 1,357,790 | $15.8M | 0.00% | +35,163+2.7% | Added |
| Morgan Stanley | 1,350,160 | $15.7M | 0.00% | +368,321+37.5% | Added |
| Driehaus Capital Management LLC | 1,328,078 | $15.5M | 0.11% | +1,328,078 | New |
| Charles Schwab Investment Management Inc | 1,131,609 | $13.2M | 0.00% | −15,394−1.3% | Reduced |
| Kennedy Capital Management, Inc. | 1,078,399 | $12.6M | 0.27% | −374,135−25.8% | Reduced |
| Two Sigma Investments, LP | 1,073,304 | $12.5M | 0.01% | +475,587+79.6% | Added |
| Hotchkis & Wiley Capital Management LLC | 1,001,051 | $11.7M | 0.04% | −702,850−41.2% | Reduced |
| Marshall Wace, LLP | 932,772 | $10.9M | 0.01% | +932,772 | New |
| UBS Group AG | 853,474 | $9.93M | 0.00% | +343,594+67.4% | Added |
| Bridgeway Capital Management, LLC | 832,905 | $9.70M | 0.19% | −80,214−8.8% | Reduced |
| JPMorgan Chase & Co | 821,868 | $9.52M | 0.00% | −265,581−24.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 721,401 | $8.40M | 0.00% | +295,703+69.5% | Added |
| Millennium Management LLC | 704,411 | $8.20M | 0.01% | +692,025+5,587.2% | Added |
| Goldman Sachs Group Inc | 702,085 | $8.17M | 0.00% | +215,957+44.4% | Added |
| Trexquant Investment LP | 551,183 | $6.42M | 0.05% | +228,714+70.9% | Added |
| Panagora Asset Management Inc | 539,920 | $6.28M | 0.02% | −127,866−19.1% | Reduced |
| Northern Trust Corp | 461,591 | $5.37M | 0.00% | +21,028+4.8% | Added |
| Ameriprise Financial Inc | 456,119 | $5.31M | 0.00% | −174,627−27.7% | Reduced |
| Jane Street Group, LLC | 454,245 | $5.29M | 0.01% | +309,134+213.0% | Added |
| SEI Investments Co | 441,725 | $5.14M | 0.00% | +293,271+197.6% | Added |
| Federated Hermes, Inc. | 414,123 | $4.82M | 0.01% | +23,697+6.1% | Added |
| Empowered Funds, LLC | 402,205 | $4.68M | 0.03% | +402,205 | New |
| Franklin Resources Inc | 395,901 | $4.61M | 0.00% | +255,138+181.3% | Added |
| Vanguard Fiduciary Trust Co | 365,048 | $4.25M | 0.00% | +365,048 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 361,554 | $4.21M | 0.01% | +272,273+305.0% | Added |
| Hara Capital LLC | 336,828 | $3.92M | 1.96% | −10,011−2.9% | Reduced |
| Bank of New York Mellon Corp | 324,428 | $3.78M | 0.00% | −37,024−10.2% | Reduced |
| Invesco Ltd. | 311,490 | $3.63M | 0.00% | +164,787+112.3% | Added |
| Russell Investments Group, Ltd. | 309,464 | $3.60M | 0.00% | +16,812+5.7% | Added |
| Deutsche Bank AG | 301,566 | $3.51M | 0.00% | −6,343−2.1% | Reduced |
| Massachusetts Financial Services Co | 299,371 | $3.48M | 0.00% | −83,190−21.7% | Reduced |
| Gendell Jeffrey L | 298,317 | $3.47M | 0.05% | −1,266,952−80.9% | Reduced |
| FMR LLC | 266,603 | $3.10M | 0.00% | +32,678+14.0% | Added |
| HRT Financial LP | 244,517 | $2.85M | 0.01% | +222,584+1,014.8% | Added |
| Pacer Advisors, Inc. | 243,924 | $2.84M | 0.01% | +243,924 | New |
| State Board of Administration of Florida Retirement System | 222,793 | $2.59M | 0.00% | −160,271−41.8% | Reduced |
| LSV Asset Management | 216,400 | $2.52M | 0.01% | −5,200−2.3% | Reduced |
| Qube Research & Technologies Ltd | 198,511 | $2.31M | 0.00% | −76,636−27.9% | Reduced |
| Fisher Asset Management, LLC | 198,305 | $2.31M | 0.00% | −12,769−6.0% | Reduced |
| Raymond James Financial Inc | 193,930 | $2.26M | 0.00% | +9,341+5.1% | Added |
| State of Wisconsin Investment Board | 160,815 | $1.87M | 0.00% | −30,100−15.8% | Reduced |
| Creative Planning | 157,809 | $1.84M | 0.00% | +52,461+49.8% | Added |
| O'Shaughnessy Asset Management, LLC | 157,731 | $1.84M | 0.01% | +157,731 | New |
| Los Angeles Capital Management LLC | 155,815 | $1.81M | 0.01% | +119,745+332.0% | Added |
| Ieq Capital, LLC | 154,598 | $1.80M | 0.01% | +6,143+4.1% | Added |
| EAM Investors, LLC | 153,896 | $1.79M | 0.21% | +153,896 | New |
| Price T Rowe Associates Inc | 129,982 | $1.51M | 0.00% | +13,556+11.6% | Added |
| Campbell & CO Investment Adviser LLC | 129,947 | $1.51M | 0.09% | −34,763−21.1% | Reduced |
| Vanguard Global Advisers, LLC | 129,727 | $1.51M | 0.00% | +129,727 | New |
| Nuveen, LLC | 126,152 | $1.47M | 0.00% | −80,620−39.0% | Reduced |
| Prudential Financial Inc | 115,896 | $1.35M | 0.00% | −282,212−70.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 104,723 | $1.22M | 0.02% | +104,723 | New |
| Susquehanna International Group, LLP | 99,890 | $1.16M | 0.00% | +68,587+219.1% | Added |
| Assenagon Asset Management S.A. | 99,684 | $1.16M | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 95,417 | $1.11M | 0.00% | −3,168−3.2% | Reduced |
| Engineers Gate Manager LP | 93,777 | $1.09M | 0.01% | +78,649+519.9% | Added |
| Bank of America Corp | 92,836 | $1.08M | 0.00% | −41,093−30.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 92,804 | $1.08M | 0.00% | +11,544+14.2% | Added |
| Stifel Financial Corp | 90,982 | $1.06M | 0.00% | −14,495−13.7% | Reduced |
| Wedge Capital Management L L P | 90,526 | $1.05M | 0.02% | −52,290−36.6% | Reduced |
| BNP Paribas Arbitrage, SA | 87,951 | $1.02M | 0.00% | +68,030+341.5% | Added |
| Winton Group Ltd | 87,927 | $1.02M | 0.04% | +16,506+23.1% | Added |
| CWM, LLC | 87,926 | $1.02M | 0.00% | +11,523+15.1% | Added |
| Mariner, LLC | 86,237 | $1.00M | 0.00% | +26,662+44.8% | Added |
| Citigroup Inc | 85,186 | $991.6K | 0.00% | +29,714+53.6% | Added |
| Principal Financial Group Inc | 85,105 | $990.6K | 0.00% | −33,392−28.2% | Reduced |
| JB Capital Partners LP | 85,000 | $989.4K | 0.17% | 00.0% | Unchanged |
| Martingale Asset Management L P | 76,328 | $888.5K | 0.02% | +76,328 | New |
| Counterpoint Mutual Funds LLC | 73,084 | $850.7K | 0.13% | +73,084 | New |
| Point72 Asset Management, L.P. | 70,343 | $818.8K | 0.00% | +70,343 | New |
| Integrated Quantitative Investments LLC | 64,681 | $752.9K | 0.14% | +64,681 | New |
| Victory Capital Management Inc | 64,113 | $746.3K | 0.00% | −10,012−13.5% | Reduced |
| Barclays PLC | 62,995 | $733.3K | 0.00% | −125,609−66.6% | Reduced |
| ExodusPoint Capital Management, LP | 62,017 | $721.9K | 0.01% | +62,017 | New |
| Cambria Investment Management, L.P. | 58,712 | $683.4K | 0.04% | +58,712 | New |
| Gotham Asset Management, LLC | 57,963 | $674.7K | 0.00% | +57,963 | New |
| Hillsdale Investment Management Inc. | 57,500 | $669.3K | 0.02% | +3,900+7.3% | Added |
| Magnetar Financial LLC | 52,722 | $613.7K | 0.01% | +52,722 | New |
| STRS Ohio | 51,900 | $604.1K | 0.00% | −34,800−40.1% | Reduced |
| State of Wyoming | 51,607 | $600.7K | 0.07% | +4,281+9.0% | Added |
| Royal Bank of Canada | 49,536 | $576.0K | 0.00% | −29,083−37.0% | Reduced |
| Harvest Investment Services, LLC | 48,320 | $562.4K | 0.10% | +48,320 | New |
| Wealth Enhancement Advisory Services, LLC | 49,998 | $560.5K | 0.00% | +8,187+19.6% | Added |
| Cerity Partners LLC | 45,498 | $529.6K | 0.00% | +15,541+51.9% | Added |
| Quantinno Capital Management LP | 45,227 | $526.4K | 0.00% | +6,135+15.7% | Added |
| CWM Advisors, LLC | 44,309 | $515.8K | 0.03% | +44,309 | New |
| Citadel Advisors LLC | 42,482 | $494.5K | 0.00% | −85,766−66.9% | Reduced |
| Man Group plc | 41,311 | $480.9K | 0.00% | −24,814−37.5% | Reduced |
| Mercer Global Advisors Inc | 40,774 | $474.6K | 0.00% | +8,973+28.2% | Added |
| Boothbay Fund Management, LLC | 36,532 | $425.2K | 0.01% | +36,532 | New |