OIS · Oil States International, Inc · Shareholders & Ownership
Every disclosed holder of OIS in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns OIS
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 53,307,844 | 88.37% |
| Insiders (Forms 3, 4, 5) | 4,941,566 | 8.19% |
| 13D/G-only blocks | 2,850,253 | 4.73% |
| Remaining | 777,044 | -1.29% |
| Registered funds (N-PORT, not summed) | 22,853,913 | 37.89% |
Shares outstanding: 60,322,619, the issuer's latest cover-page count restated onto today's split basis.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of OIS
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,818,282 | ||
| 1.1 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,484,007 | ||
| 1.2 |
iShares Russell 2000 Value ETF
Fund
S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
523,639 | ||
| 1.3 |
BlackRock Advantage Small Cap Core Fund
Fund
S000039982 · Registered fund · May 29, 2026
BlackRock Funds, not summed
|
470,759 | ||
| 1.4 |
iShares U.S. Small-Cap Equity Factor ETF
Fund
S000048624 · Registered fund · Jul 31, 2026
iShares Trust, not summed
|
276,040 | ||
| 1.5 |
iShares Micro-Cap ETF
Fund
S000004439 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
192,147 | ||
| 2 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,006,491 | ||
| 2.1 |
DIMENSIONAL FUND ADVISORS LP
13G
CIK 354204 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
3,006,491 | ||
| 2.2 |
U.S. SMALL CAP VALUE PORTFOLIO
Fund
S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
725,908 | ||
| 2.3 |
Dimensional US Small Cap Value ETF
Fund
S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
293,662 | ||
| 2.4 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
267,793 | ||
| 2.5 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
212,595 | ||
| 3 |
PALISADE CAPITAL MANAGEMENT, LP
13G
CIK 1009006 · Registered investment adviser · Apr 11, 2024
Rule 13d-1(b), qualified institution
|
2,850,253 | ||
| 4 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,418,106 | ||
| 5 |
AMERICAN CENTURY COMPANIES INC
13F
CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,213,177 | ||
| 6 |
|
2,205,388 | ||
| 7 |
ACADIAN ASSET MANAGEMENT LLC
13F
CIK 916542 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,042,288 | ||
| 8 |
D. E. Shaw & Co., Inc.
13F
CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,017,956 | ||
| 9 |
First Eagle Investment Management, LLC
13F
CIK 1325447 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,005,677 | ||
| 9.1 |
First Eagle Small Cap Opportunity Fund
Fund
S000072438 · Registered fund · Jul 31, 2026
First Eagle Funds, not summed
|
1,898,163 | ||
| 10 |
|
1,980,909 | ||
| 10.1 |
State Street(R) SPDR(R) S&P(R) Oil & Gas Equipment & Services ETF
Fund
S000012334 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
646,861 | ||
| 10.2 |
State Street Institutional Small-Cap Equity Fund
Fund
S000001631 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL FUNDS, not summed
|
21,578 | ||
| 10.3 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
20,566 | ||
| 10.4 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
1,300 | ||
| 10.5 |
State Street Small-Cap Equity V.I.S. Fund
Fund
S000001636 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
967 | ||
| 11 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,736,910 | ||
| 11.1 |
AQR Small Cap Multi-Style Fund
Fund
S000040064 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
24,143 | ||
| 11.2 |
AQR Small Cap Momentum Style Fund
Fund
S000025644 · Registered fund · Mar 31, 2026
AQR Funds, not summed
|
3,940 | ||
| 12 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,718,766 | ||
| 13 |
Avantis U.S. Small Cap Value ETF
Fund
S000066459 · Registered fund · May 31, 2026
American Century ETF Trust, not summed
|
1,718,253 | ||
| 14 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,625,098 | ||
| 15 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,445,708 | ||
| 16 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,444,776 | ||
| 17 |
KENNEDY CAPITAL MANAGEMENT LLC
13F
CIK 884589 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,291,140 | ||
| 17.1 |
Kennedy Capital Small Cap Value Fund
Fund
S000076118 · Registered fund · Jun 30, 2026
INVESTMENT MANAGERS SERIES TRUST II, not summed
|
26,772 | ||
| 18 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,206,130 | ||
| 18.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
579 | ||
| 19 |
Qube Research & Technologies Ltd
13F
CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,122,386 | ||
| 20 |
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
13F
CIK 1164833 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,100,201 | ||
| 20.1 |
Hotchkis and Wiley Small Cap Diversified Value Fund
Fund
S000045868 · Registered fund · Jun 30, 2026
HOTCHKIS & WILEY FUNDS/DE/, not summed
|
289,900 | ||
| 21 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,083,987 | ||
| 21.1 |
Schwab Fundamental U.S. Small Company ETF
Fund
S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
586,956 | ||
| 21.2 |
Schwab Small-Cap Equity Fund
Fund
S000005516 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
232,450 | ||
| 21.3 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
138,939 | ||
| 21.4 |
Schwab Fundamental U.S. Small Company Index Fund
Fund
S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
133,464 | ||
| 21.5 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
55,816 | ||
| 22 |
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
CIK 1107261 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
840,237 | ||
| 22.1 |
Omni Small-Cap Value Fund
Fund
S000033567 · Registered fund · Jun 30, 2026
Bridgeway Funds, Inc., not summed
|
245,700 | ||
| 22.2 |
Small-Cap Value Fund
Fund
S000004427 · Registered fund · Jun 30, 2026
Bridgeway Funds, Inc., not summed
|
160,000 | ||
| 22.3 |
Ultra-Small Company Market Fund
Fund
S000004424 · Registered fund · Jun 30, 2026
Bridgeway Funds, Inc., not summed
|
25,000 | ||
| 23 |
ALGERT GLOBAL LLC
13F
CIK 1275218 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
813,971 | ||
| 24 |
|
737,390 | ||
| 25 |
|
737,343 | ||
| 26 |
VANGUARD ENERGY INDEX FUND
Fund
S000004448 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
|
713,107 | ||
| 27 |
MILLENNIUM MANAGEMENT LLC
13F
CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
667,842 | ||
| 28 |
FEDERATED HERMES, INC.
13F
CIK 1056288 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
651,708 | ||
| 29 |
PANAGORA ASSET MANAGEMENT INC
13F
CIK 883677 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
650,275 | ||
| 30 |
|
646,012 | ||
| 31 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
632,419 | ||
| 32 |
Trexquant Investment LP
13F
CIK 1633445 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
602,932 | ||
| 33 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
558,454 | ||
| 33.1 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
623,070 | ||
| 33.2 |
Fidelity Enhanced Small Cap Core ETF
Fund
S000081807 · Registered fund · Jun 30, 2026
Fidelity Covington Trust, not summed
|
430,611 | ||
| 33.3 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
290,724 | ||
| 33.4 |
VIP Disciplined Small Cap Portfolio
Fund
S000007725 · Registered fund · Jun 30, 2026
Variable Insurance Products Fund II, not summed
|
105,440 | ||
| 33.5 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
102,817 | ||
| 34 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
542,442 | ||
| 34.1 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
79,300 | ||
| 34.2 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
|
10,403 | ||
| 35 |
FRANKLIN RESOURCES INC
13F
CIK 38777 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
533,744 | ||
| 35.1 |
FRANKLIN RESOURCES INC
13G
CIK 38777 · Investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
533,744 | ||
| 35.2 |
Putnam Dynamic Asset Allocation Growth Fund
Fund
S000000780 · Registered fund · Jun 30, 2026
Putnam Asset Allocation Funds, not summed
|
56,074 | ||
| 35.3 |
Putnam Dynamic Asset Allocation Balanced Fund
Fund
S000000778 · Registered fund · Jun 30, 2026
Putnam Asset Allocation Funds, not summed
|
38,280 | ||
| 35.4 |
Putnam Dynamic Asset Allocation Conservative Fund
Fund
S000000779 · Registered fund · Jun 30, 2026
Putnam Asset Allocation Funds, not summed
|
6,044 | ||
| 35.5 |
Putnam Multi-Asset Income Fund
Fund
S000067964 · Registered fund · May 31, 2026
Putnam Asset Allocation Funds, not summed
|
3,620 | ||
| 36 |
Federated Hermes MDT Small Cap Core Fund
Fund
S000012972 · Registered fund · Jul 31, 2026
Federated Hermes MDT Series, not summed
|
518,488 | ||
| 37 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
498,126 | ||
| 37.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
28,981 | ||
| 37.2 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
3,818 | ||
| 38 |
AMERIPRISE FINANCIAL INC
13F
CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
459,434 | ||
| 38.1 |
Columbia Integrated Small Cap Growth Fund
Fund
S000074122 · Registered fund · May 31, 2026
Columbia Funds Series Trust II, not summed
|
10,314 | ||
| 38.2 |
Columbia Research Enhanced Small Cap ETF
Fund
S000095313 · Registered fund · Jun 30, 2026
Columbia ETF Trust I, not summed
|
81 | ||
| 39 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
445,100 | ||
| 40 |
Empowered Funds, LLC
13F
CIK 1592828 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
409,537 | ||
| 40.1 |
EA Bridgeway Omni Small-Cap Value ETF
Fund
S000078089 · Registered fund · Jun 30, 2026
EA Series Trust, not summed
|
409,537 | ||
| 41 |
Connor, Clark & Lunn Investment Management Ltd.
13F
CIK 1596800 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
404,650 | ||
| 42 |
Squarepoint Ops LLC
13F
CIK 1642575 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
399,706 | ||
| 43 |
Russell Investments Group, Ltd.
13F
CIK 1692234 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
378,012 | ||
| 43.1 |
Tax-Managed U.S. Mid & Small Cap Fund
Fund
S000001571 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
|
127,995 | ||
| 43.2 |
U.S. Small Cap Equity Fund
Fund
S000001586 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
|
16,260 | ||
| 43.3 |
U.S. Small Cap Equity Fund
Fund
S000006864 · Registered fund · Jun 30, 2026
RUSSELL INVESTMENT FUNDS, not summed
|
14,881 | ||
| 44 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
369,431 | ||
| 45 |
Hara Capital LLC
13F
CIK 2010015 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
335,818 | ||
| 46 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
329,168 | ||
| 47 |
DEUTSCHE BANK AG\
13F
CIK 948046 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
309,870 | ||
| 47.1 |
DWS Small Cap Index VIP
Fund
S000006223 · Registered fund · Jun 30, 2026
DEUTSCHE DWS INVESTMENTS VIT FUNDS, not summed
|
8,991 | ||
| 48 |
VANGUARD STRATEGIC SMALL-CAP EQUITY FUND
Fund
S000012432 · Registered fund · Jun 30, 2026
VANGUARD HORIZON FUNDS, not summed
|
306,572 | ||
| 49 |
GENDELL JEFFREY L
13F
CIK 1056581 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
298,317 | ||
| 50 |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
293,356 | ||
| 50.1 |
MFS Blended Research Small Cap Equity Fund
Fund
S000050659 · Registered fund · May 31, 2026
MFS SERIES TRUST X, not summed
|
193,276 | ||
| 50.2 |
MFS Blended Research Small Cap Equity Portfolio
Fund
S000008071 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST III, not summed
|
48,698 |
37 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
Showing 1–50 of 317 holders
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