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OIS · Oil States International, Inc

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$8.76 -0.10 (-1.13%) At close · Sep 4
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

Holder Concentration

Across 203 13F filers · Δ vs Mar 31, 2026
Top Holder
12.7%
Sep 2023 → Jun 2026 · range 11.6% – 20.4%
+1.1 pts
Top 5
30.8%
Sep 2023 → Jun 2026 · range 30.8% – 47.8%
−0.0 pts
Top 10
48.3%
Sep 2023 → Jun 2026 · range 47.6% – 65.7%
+0.7 pts
HHI
371
Sep 2023 → Jun 2026 · range 349 – 709
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

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 203
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1121484 CUSIP 678026105 13F (30d) 138 filings 137 filers Visit website Investor relations