Oil States International, Inc (OIS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

58,592,000Shares Outstanding

1,060,538Shares held by institutions

$9,863,003Value of institutional holdings

181.98%Institutional ownership %

66.53%Shares Changed QoQ

181No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Oil States International, Inc (NYSE:OIS) includes 167 filers as of the latest reporting cycle ending December 2025.

The collective stake of institutional investors in Oil States International moved to 80.1% in December 2025, a shift down from the 83.8% reported for September 2025.
Institutional share ownership changed by -2.49% QoQ, while the number of institutional owners saw an increase of 12.08% YoY.
Among the 167 institutional holders of Oil States International, 84 added to their stakes while 61 trimmed their positions and 22 held steady.
The total number of shares held by institutions in Oil States International decreased to 50.72Mn as of December 2025, a net change of down by 1.29Mn shares quarter on quarter, and up 1.56Mn shares year over year.
With 6.66Mn shares, BlackRock, Inc. commands the largest institutional position in Oil States International as of December 31, 2025, equating to 10.51% of the company.
Among the most significant buyers of Oil States International during December 2025 were Trexquant Investment LP (308.80K), THOMIST CAPITAL MANAGEMENT, LP (288.08K), AQR CAPITAL MANAGEMENT LLC (241.58K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (209.91K), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (192.04K).
Leading sellers of Oil States International stock in December 2025 included Hillsdale Investment Management Inc. (1.21Mn), PRUDENTIAL FINANCIAL INC (546.72K), UBS Group AG (545.25K), Nuveen, LLC (294.04K), CITIGROUP INC (246.99K).
The top 10 institutional holders of Oil States International for the quarter ending December 2025 included BlackRock, Inc. (6.66Mn), VANGUARD GROUP INC (4.48Mn), DIMENSIONAL FUND ADVISORS LP (3.43Mn), D. E. Shaw & Co., Inc. (2.65Mn), First Eagle Investment Management, LLC (2.58Mn), ACADIAN ASSET MANAGEMENT LLC (2.44Mn), AQR CAPITAL MANAGEMENT LLC (1.78Mn), HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (1.70Mn), AMERICAN CENTURY COMPANIES INC (1.62Mn), GENDELL JEFFREY L (1.57Mn).

167 Institutional Holders

1,060,538 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	6,657,813	104,577	1.60%	$45,073,394.00
VANGUARD GROUP INC	31 Dec, 2025	4,480,163	-18,150	-0.40%	$30,330,704.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	3,432,687	-130,413	-3.66%	$23,239,737.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	2,649,108	-169,465	-6.01%	$17,934,461.00
First Eagle Investment Management, LLC	31 Dec, 2025	2,581,674	-23,500	-0.90%	$17,477,933.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	2,438,622	-40,435	-1.63%	$16,507.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,780,544	241,584	15.70%	$12,054,283.00
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,703,901	-105,830	-5.85%	$11,535,410.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	1,615,132	121,757	8.15%	$10,934,444.00
GENDELL JEFFREY L	31 Dec, 2025	1,565,269	-72,449	-4.42%	$10,596,871.00
KENNEDY CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,452,534	113,541	8.48%	$9,833,655.00
STATE STREET CORP	31 Dec, 2025	1,449,687	-54,279	-3.61%	$9,814,381.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,322,627	-40,704	-2.99%	$8,956,068.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	1,147,003	192,036	20.11%	$7,765,210.00
JPMORGAN CHASE & CO	31 Dec, 2025	1,087,449	-216,225	-16.59%	$7,362,029.00
MORGAN STANLEY	31 Dec, 2025	981,839	-28,071	-2.78%	$6,647,050.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	913,119	-139,516	-13.25%	$6,181,816.00
PANAGORA ASSET MANAGEMENT INC	31 Dec, 2025	667,786	-7,631	-1.13%	$4,520,911.00
AMERIPRISE FINANCIAL INC	31 Dec, 2025	630,746	96,083	17.97%	$4,270,151.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	597,717	137,028	29.74%	$4,046,544.00

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