OIL STATES INTERNATIONAL INC (OIS) Institutional Ownership and Insiders Activity
OIL STATES INTERNATIONAL INC (OIS) is widely held by institutional investors, with 196 firms reporting positions valued at approximately $423.61M based on SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is the largest disclosed holder, reporting approximately $54.61M in OIS holdings in its latest filing.
Recent insider activity includes 1 tracked Form 4 transaction over the last three months, reflecting ongoing executive and director trading activity.
Institutional Holders
196
Total Reported Value
$423.61M
Largest Holder
Blackrock, Inc.
Largest Position
$54.61M
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
27
Funds Exiting Positions
46
Top Institutional Owners
View allInvestorReported Balance
- Blackrock, Inc.$54.61M
- Dimensional Fund Advisors Lp$24.08M
- Vanguard Capital Management Llc$19.37M
- American Century Companies Inc$17.73M
- Acadian Asset Management Llc$16.35M
Related OIS Institutional Insights:
- OIS 13F Institutional Holders
- OIS Top Institutional Shareholders
- OIS Institutional Ownership Changes
- Energy Sector Institutional Ownership
- Energy Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Energy Stocks By Institutional Investors
- Most Sold Energy Stocks By Institutional Investors
- OIS Insider Trading & SEC Form 4 Activity
- OIS Articles
- Top Institutional Investor Stock Rankings