Oil States International, Inc (OIS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

233,011Shares held by institutions

$2,699,432Value of institutional holdings

84.84%Institutional ownership %

2.27%Shares Changed QoQ

149No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Oil States International, Inc (NYSE:OIS) has 176 institutional investors that have filed 13F reports for the period ending December 2025.

Collectively, these holders controlled 88.7% of Oil States International's outstanding shares in December 2025, down from 94.0% in September 2025.
They decreased total shares held in Oil States International by -4.68% from last quarter, and the number of investors in OIS increased 18.12% annually.
During the quarter, 87 of these 176 funds increased positions in OIS, 66 reduced exposure, and 23 held steady.
Institutional investors collectively held 51.44Mn shares in Oil States International as of December 2025, down by 2.53Mn shares quarter on quarter, and up 335.04K shares year over year.
BlackRock, Inc. leads ownership in OIS with 6.66Mn shares as of December 31, 2025, equal to 11.48% of outstanding shares.
Leading buyers of Oil States International shares for the quarter ending December 2025 were Trexquant Investment LP (308.8K), THOMIST CAPITAL MANAGEMENT, LP (288.08K), AQR CAPITAL MANAGEMENT LLC (241.58K), M&T Bank Corp (232.65K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (209.91K).
The largest sales of OIS for the quarter ending December 2025 came from Jpmorgan Chase & Co (1.52Mn), Hillsdale Investment Management Inc. (1.21Mn), Prudential Financial Inc (546.72K), UBS Group AG (545.25K), Nuveen, LLC (294.04K).
According to Business Quant data, leading holders of OIS for December 2025 are 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 (1.7Mn), AMERICAN CENTURY COMPANIES INC (1.62Mn), GENDELL JEFFREY L (1.57Mn).

176 Institutional Holders

233,011 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	104,577	1.60%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-18,150	-0.40%	$0.00
UBS Group AG	31 Dec, 2025	-545,250	-51.68%	$0.00
Barclays Plc	31 Dec, 2025	-186,185	-49.68%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	-130,413	-3.66%	$0.00
Hara Capital LLC	31 Dec, 2025	-5,000	-1.42%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	78,721	71.77%	$0.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	-169,465	-6.01%	$0.00
Trexquant Investment LP	31 Dec, 2025	308,801	2,259.30%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	2,800	0.00%	$0.00
First Eagle Investment Management, LLC	31 Dec, 2025	-23,500	-0.90%	$0.00
Russell Investments Group, Ltd.	31 Dec, 2025	4,989	1.73%	$0.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	-40,435	-1.63%	$0.00
THOMIST CAPITAL MANAGEMENT, LP	31 Dec, 2025	288,084	0.00%	$0.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	241,584	15.70%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	-60,094	-17.93%	$0.00
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	31 Dec, 2025	-105,830	-5.85%	$0.00
Nuveen, LLC	31 Dec, 2025	-294,043	-58.71%	$0.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	121,757	8.15%	$0.00
IEQ CAPITAL, LLC	31 Dec, 2025	32,364	27.88%	$0.00

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