OIS · Oil States International, Inc
Market Cap
$528.43M
Shares
60.32M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 203
Total Value: $428,691,417
Total Shares: 53,519,544
Showing 1–100
of 203 holdings by value
· page 1 of 3
Institutional Ownership Trend
26 quarters
Superinvestors Holding OIS
All superinvestors →Holder Concentration
Across 203 13F filers · Δ vs Mar 31, 2026Top Holder
12.7%
+1.1 pts
Top 5
30.8%
−0.0 pts
Top 10
48.3%
+0.7 pts
HHI
371
Broadly held+22
Quarterly Activity
vs Mar 31, 2026
New
26
Increased
75
Decreased
75
Sold Out
42
Unchanged
27
Holder count:
-16
Institutional value:
-32.2%
Shares held:
-1.5%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega Qube Research & Technologies Ltd | +923,875 | 1,122,386 | |
| Mid ALGERT GLOBAL LLC | +799,761 | 813,971 | |
| Mega BlackRock, Inc. | +508,651 | 6,818,282 | |
| Mega TWO SIGMA INVESTMENTS, LP | +371,472 | 1,444,776 | |
| Large Squarepoint Ops LLC | +369,621 | 399,706 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large MARSHALL WACE, LLP | −691,137 | 241,635 | |
| Mega JPMORGAN CHASE & CO | −647,698 | 174,170 | |
| Mega DIMENSIONAL FUND ADVISORS LP | −515,652 | 3,006,491 | |
| Mega JANE STREET GROUP, LLC | −483,745 | 12,900 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | −442,444 | 278,957 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega NORGES BANK | 445,100 | $3,565,251 | |
| Mid Aquatic Capital Management LLC | 69,563 | $557,199 | |
| Mid Bleakley Financial Group, LLC | 54,702 | $438,163 | |
| Small Teton Advisors, LLC | 54,000 | $432,540 | |
| Mid Orion Porfolio Solutions, LLC | 40,628 | $325,430 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large Driehaus Capital Management LLC | 1,328,078 | $15,458,827 | |
| Large Pacer Advisors, Inc. | 243,924 | $2,839,275 | |
| Mid Informed Momentum Co LLC | 153,896 | $1,791,349 | |
| Mid Engineers Gate Manager LP | 93,777 | $1,091,564 | |
| Large CWM, LLC | 87,926 | $1,023,458 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. | $54,614,433 | 12.74% | 6,818,282 | Shares | 2026-08-07 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $24,081,991 | 5.62% | 3,006,491 | Shares | 2026-08-11 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $19,369,029 | 4.52% | 2,418,106 | Shares | 2026-08-13 | |
| Mega AMERICAN CENTURY COMPANIES INC | $17,727,547 | 4.14% | 2,213,177 | Shares | 2026-08-12 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $16,358,726 | 3.82% | 2,042,288 | Shares | 2026-08-13 | |
| Mega D. E. Shaw & Co., Inc. | $16,163,827 | 3.77% | 2,017,956 | Shares | 2026-08-14 | |
| Large First Eagle Investment Management, LLC | $16,065,472 | 3.75% | 2,005,677 | Shares | 2026-08-24 | |
| Mega STATE STREET CORP | $15,867,081 | 3.70% | 1,980,909 | Shares | 2026-08-07 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $13,912,646 | 3.25% | 1,736,910 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $13,017,034 | 3.04% | 1,625,098 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $11,580,121 | 2.70% | 1,445,708 | Shares | 2026-08-12 | |
| Mega TWO SIGMA INVESTMENTS, LP | $11,572,655 | 2.70% | 1,444,776 | Shares | 2026-08-14 | |
| Mid KENNEDY CAPITAL MANAGEMENT LLC | $10,342,031 | 2.41% | 1,291,140 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY | $9,661,098 | 2.25% | 1,206,130 | Shares | 2026-08-13 | |
| Mega Qube Research & Technologies Ltd | $8,990,311 | 2.10% | 1,122,386 | Shares | 2026-08-14 | |
| Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $8,812,610 | 2.06% | 1,100,201 | Shares | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $8,682,735 | 2.03% | 1,083,987 | Shares | 2026-08-14 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $6,730,298 | 1.57% | 840,237 | Shares | 2026-08-14 | |
| Mid ALGERT GLOBAL LLC | $6,519,907 | 1.52% | 813,971 | Shares | 2026-08-13 | |
| Mega MILLENNIUM MANAGEMENT LLC | $5,349,414 | 1.25% | 667,842 | Shares | 2026-08-14 | |
| Large FEDERATED HERMES, INC. | $5,220,180 | 1.22% | 651,708 | Shares | 2026-08-12 | |
| Large PANAGORA ASSET MANAGEMENT INC | $5,208,702 | 1.22% | 650,275 | Shares | 2026-08-06 | |
| Mega UBS Group AG | $5,174,554 | 1.21% | 646,012 | Shares | 2026-08-13 | |
| Large Trexquant Investment LP | $4,829,485 | 1.13% | 602,932 | Shares | 2026-08-14 | |
| Mega FMR LLC | $4,473,215 | 1.04% | 558,454 | Shares | 2026-08-13 | |
| Mega GOLDMAN SACHS GROUP INC | $4,344,960 | 1.01% | 542,442 | Shares | 2026-08-14 | |
| Mega FRANKLIN RESOURCES INC | $4,275,289 | 1.00% | 533,744 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $3,989,987 | 0.93% | 498,126 | Shares | 2026-08-13 | |
| Mega AMERIPRISE FINANCIAL INC | $3,680,065 | 0.86% | 459,434 | Shares | 2026-08-14 | |
| Mega NORGES BANK Bank | $3,565,251 | 0.83% | 445,100 | Shares | 2026-08-12 | |
| Large Empowered Funds, LLC | $3,280,391 | 0.77% | 409,537 | Shares | 2026-08-17 | |
| Large Connor, Clark & Lunn Investment Management Ltd. | $3,241,246 | 0.76% | 404,650 | Shares | 2026-08-13 | |
| Large Squarepoint Ops LLC | $3,201,645 | 0.75% | 399,706 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $3,027,872 | 0.71% | 378,012 | Shares | 2026-08-06 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $2,959,142 | 0.69% | 369,431 | Shares | 2026-08-13 | |
| Small Hara Capital LLC | $2,689,902 | 0.63% | 335,818 | Shares | 2026-08-11 | |
| Mega Bank of New York Mellon Corp Bank | $2,636,634 | 0.62% | 329,168 | Shares | 2026-08-06 | |
| Mega DEUTSCHE BANK AG\ Bank | $2,482,057 | 0.58% | 309,870 | Shares | 2026-08-07 | |
| Large GENDELL JEFFREY L | $2,389,518 | 0.56% | 298,317 | Shares | 2026-08-14 | |
| Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $2,349,781 | 0.55% | 293,356 | Shares | 2026-08-03 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $2,234,445 | 0.52% | 278,957 | Shares | 2026-08-13 | |
| Mid Y-Intercept (Hong Kong) Ltd | $2,003,821 | 0.47% | 250,165 | Shares | 2026-07-14 | |
| Large MARSHALL WACE, LLP | $1,935,494 | 0.45% | 241,635 | Shares | 2026-08-13 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD | $1,764,050 | 0.41% | 220,231 | Shares | 2026-08-14 | |
| Large LSV ASSET MANAGEMENT | $1,613,214 | 0.38% | 201,400 | Shares | 2026-08-06 | |
| Mega Fisher Asset Management, LLC | $1,588,423 | 0.37% | 198,305 | Shares | 2026-08-04 | |
| Mega Invesco Ltd. | $1,580,002 | 0.37% | 197,254 | Shares | 2026-08-14 | |
| Mega RAYMOND JAMES FINANCIAL INC | $1,436,537 | 0.34% | 179,343 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO | $1,395,100 | 0.33% | 174,170 | Shares | 2026-08-12 | |
| Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $1,382,734 | 0.32% | 172,626 | Shares | 2026-08-13 | |
| Mega Vanguard Global Advisers, LLC | $1,309,378 | 0.31% | 163,468 | Shares | 2026-08-13 | |
| Mid Cambria Investment Management, L.P. | $1,221,316 | 0.28% | 152,474 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $1,206,049 | 0.28% | 150,568 | Shares | 2026-08-14 | |
| Large LOS ANGELES CAPITAL MANAGEMENT LLC | $1,185,656 | 0.28% | 148,022 | Shares | 2026-08-13 | |
| Large Creative Planning | $1,171,990 | 0.27% | 146,316 | Shares | 2026-08-13 | |
| Large SEI INVESTMENTS CO | $1,147,087 | 0.27% | 143,207 | Shares | 2026-08-14 | |
| Mid WEDGE CAPITAL MANAGEMENT L L P/NC | $1,102,127 | 0.26% | 137,594 | Shares | 2026-07-10 | |
| Mega Nuveen, LLC | $1,085,795 | 0.25% | 135,555 | Shares | 2026-08-11 | |
| Mid MARTINGALE ASSET MANAGEMENT L P | $1,075,406 | 0.25% | 134,258 | Shares | 2026-08-13 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $1,045,112 | 0.24% | 130,476 | Shares | 2026-08-13 | |
| Large Point72 Asset Management, L.P. | $951,283 | 0.22% | 118,762 | Shares | 2026-08-14 | |
| Mega VICTORY CAPITAL MANAGEMENT INC | $943,105 | 0.22% | 117,741 | Shares | 2026-08-07 | |
| Large Man Group plc | $911,618 | 0.21% | 113,810 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $880,979 | 0.21% | 109,985 | Shares | 2026-08-14 | |
| Large IEQ CAPITAL, LLC | $866,057 | 0.20% | 108,122 | Shares | 2026-08-11 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $855,676 | 0.20% | 106,826 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS | $775,231 | 0.18% | 96,783 | Shares | 2026-08-12 | |
| Mega PRINCIPAL FINANCIAL GROUP INC | $729,974 | 0.17% | 91,133 | Shares | 2026-08-04 | |
| Large STIFEL FINANCIAL CORP | $728,765 | 0.17% | 90,982 | Shares | 2026-08-12 | |
| Mid Brevan Howard Capital Management LP | $713,594 | 0.17% | 89,088 | Shares | 2026-08-14 | |
| Large STRS OHIO | $708,885 | 0.17% | 88,500 | Shares | 2026-07-30 | |
| Small JB CAPITAL PARTNERS LP | $680,850 | 0.16% | 85,000 | Shares | 2026-08-11 | |
| Mid Inspire Investing, LLC | $679,135 | 0.16% | 84,786 | Shares | 2026-08-12 | |
| Large HRT FINANCIAL LP | $669,587 | 0.16% | 83,594 | Shares | 2026-08-14 | |
| Small Counterpoint Mutual Funds LLC Mutual Fund | $663,107 | 0.15% | 82,785 | Shares | 2026-07-20 | |
| Mega CITADEL ADVISORS LLC | $600,557 | 0.14% | 74,976 | Shares | 2026-09-02 | |
| Large Quantinno Capital Management LP | $599,828 | 0.14% | 74,885 | Shares | 2026-08-13 | |
| Mid Campbell & CO Investment Adviser LLC | $576,287 | 0.13% | 71,946 | Shares | 2026-08-03 | |
| Large JACOBS LEVY EQUITY MANAGEMENT, INC | $567,772 | 0.13% | 70,883 | Shares | 2026-08-14 | |
| Mid Aquatic Capital Management LLC | $557,199 | 0.13% | 69,563 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. | $556,614 | 0.13% | 69,490 | Shares | 2026-08-14 | |
| Mid Quantbot Technologies LP | $526,072 | 0.12% | 65,677 | Shares | 2026-08-12 | |
| Large Mariner, LLC | $525,391 | 0.12% | 65,592 | Shares | 2026-08-13 | |
| Mega ROYAL BANK OF CANADA Bank | $515,947 | 0.12% | 64,413 | Shares | 2026-08-14 | |
| Large PRUDENTIAL FINANCIAL INC | $494,665 | 0.12% | 61,756 | Shares | 2026-08-12 | |
| Mid Magnetar Financial LLC | $476,971 | 0.11% | 59,547 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC | $439,979 | 0.10% | 54,929 | Shares | 2026-08-14 | |
| Mid Bleakley Financial Group, LLC | $438,163 | 0.10% | 54,702 | Shares | 2026-08-05 | |
| Small State of Wyoming | $432,620 | 0.10% | 54,010 | Shares | 2026-08-06 | |
| Small Teton Advisors, LLC | $432,540 | 0.10% | 54,000 | Shares | 2026-08-12 | |
| Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $426,164 | 0.10% | 53,204 | Shares | 2026-07-15 | |
| Mid WINTON GROUP Ltd | $401,621 | 0.09% | 50,140 | Shares | 2026-08-07 | |
| Large VOYA INVESTMENT MANAGEMENT LLC | $396,030 | 0.09% | 49,442 | Shares | 2026-08-12 | |
| Mid Arax Advisory Partners | $390,839 | 0.09% | 48,794 | Shares | 2026-08-10 | |
| Mega WELLS FARGO & COMPANY/MN | $384,736 | 0.09% | 48,032 | Shares | 2026-08-14 | |
| Mid Graham Capital Management, L.P. | $379,954 | 0.09% | 47,435 | Shares | 2026-08-14 | |
| Large FIFTH THIRD BANCORP Bank | $346,768 | 0.08% | 43,292 | Shares | 2026-08-05 | |
| Mid Orion Porfolio Solutions, LLC | $325,430 | 0.08% | 40,628 | Shares | 2026-08-14 | |
| Large MERCER GLOBAL ADVISORS INC /ADV | $311,556 | 0.07% | 38,896 | Shares | 2026-08-19 | |
| Mega ENVESTNET ASSET MANAGEMENT INC | $285,540 | 0.07% | 35,648 | Shares | 2026-08-03 |
Key facts
CIK
1121484
CUSIP
678026105
13F (30d)
138 filings
137 filers
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