$OIS

$9.19 +$0.28 (3.14%) Close

$OIS Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 60.3M shares outstanding

Who owns OIS?

By type of holder

Institutions 88.6% Insiders 8.1% Everyone else 3.3%

Concentration Top 10 holders own 43.8%

BlackRock, Inc. 11.3% · Dimensional Fund Advisors LP 5.0%

Institutional ownership

88.6%

-1.4 pts vs last qtr

Institutional holders

198

-19 vs last qtr

Net shares bought

−821.8K

by institutions in Q2 2026

New / sold out

24 / 43

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Qube Research & Technologies Ltd +923.9K
Algert Global LLC +799.8K

Biggest sellers in Q2 2026

Driehaus Capital Management LLC SOLD OUT −1.3M
Marshall Wace, LLP −691.1K

Who is planning to sell?

Notices of proposed sale, last 12 months

$593K

2 notices from 2 people

Shares covered

57.3K

0.09% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Darrell E Hollek Director $493K
Cindy B Taylor Officer $99.7K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+17.0%

+1.76% a year

Each share's claim on the business

−14.5%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$54.7M vs $130M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years58% 3–5 years21% 1–3 years11% Under 1 year10%

Quarterly turnover

13.9%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting OIS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	6.8M	11.30%	+508.7K (+8.1%)	≤2021	0.0%
Shares held by quarter Peak holding7.5M (Q3'24) Change over 8 quarters−642.1K Share of the company11.300% BlackRock, Inc.'s full portfolio →
DF Dimensional Fund Advisors LP	3.0M	4.98%	−515.7K (−14.6%)	≤2021	0.0%
Shares held by quarter Peak holding3.6M (Q3'25) Change over 8 quarters+30.5K Share of the company4.980% Dimensional Fund Advisors LP's full portfolio →

BlackRock, Inc.

6.8M

% of company

11.30%

Change vs last qtr

+508.7K (+8.1%)

Held since

≤2021

Dimensional Fund Advisors LP

3.0M

% of company

4.98%

Change vs last qtr

−515.7K (−14.6%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Oil States International, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting OIS on Form N-PORT; together they hold 40.9% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FE First Eagle Small Cap Opportunity Fund First Eagle Funds	$15.4M	1.9M	3.15%	0.53%	July 31, 2026
AU Avantis U.S. Small Cap Value ETF American Century ETF Trust	$14.6M	1.7M	2.85%	0.05%	May 31, 2026

First Eagle Small Cap Opportunity Fund

First Eagle Funds

Position value

$15.4M

% of company

3.15%

% of the fund

0.53%

As of

July 31, 2026

Avantis U.S. Small Cap Value ETF

American Century ETF Trust

Position value

$14.6M

% of company

2.85%

% of the fund

0.05%

As of

May 31, 2026

23 more funds behind a free account

See every fund holding Oil States International, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
TC Taylor Cindy B Insider	2.2M	3.66%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company3.660% Taylor Cindy B's insider activity →
HL Hajdik Lloyd A Insider	737.4K	1.22%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.220% Hajdik Lloyd A's insider activity →

Taylor Cindy B

Insider

2.2M

% of company

3.66%

Change vs last qtr

—

Held since

—

Hajdik Lloyd A

Insider

737.4K

% of company

1.22%

Change vs last qtr

—

Held since

—

9 more holders behind a free account

See every insider and 5%+ holder of Oil States International, Inc..

Comments