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Oceaneering
OII

Overview Fund Activity

285 hedge funds and large institutions have $1.98B invested in Oceaneering in 2025 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 114 increasing their positions, 97 reducing their positions, and 40 closing their positions.

Holders
285
Holders Change
+2
Holders Change %
+0.71%
% of All Funds
3.83%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
46
Increased
114
Reduced
97
Closed
40
Calls
$986K
Puts
$230K
Net Calls
+$756K
Net Calls Change
+$675K

Top Buyers

1
Balyasny Asset Management
1
Balyasny Asset Management
Illinois
$28.2M
2
Brown Advisory
2
Brown Advisory
Maryland
$152M
3
Millennium Management
3
Millennium Management
New York
$15.2M
4
BTW
4
Boston Trust Walden
Massachusetts
$10.9M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$66.1M

Top Sellers

1
CAM
1
Congress Asset Management
Massachusetts
$0
2
BlackRock
2
BlackRock
New York
$326M
3
Fidelity International
3
Fidelity International
Bermuda
$0
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$5.9M
5
RIM
5
Ranger Investment Management
Texas
$12.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
New York State Common Retirement Fund
126
New York State Common Retirement Fund
New York
$647K – – –
LCM
127
Legato Capital Management
California
$621K +$621K +29,988 New
FRM
128
Fox Run Management
Connecticut
$614K -$1.28M -61,952 -68%
MSRPS
129
Maryland State Retirement & Pension System
Maryland
$611K – – –
ASRS
130
Arizona State Retirement System
Arizona
$611K +$11.1K +535 +2%
OP
131
Oldfield Partners
United Kingdom
$595K – – –
AB
132
Amalgamated Bank
New York
$595K -$1.62K -78 -0.3%
Zurich Cantonal Bank
133
Zurich Cantonal Bank
Switzerland
$595K – – –
State Board of Administration of Florida Retirement System
134
State Board of Administration of Florida Retirement System
Florida
$595K – – –
BNP Paribas Financial Markets
135
BNP Paribas Financial Markets
France
$589K +$236K +11,384 +67%
TRSOTSOK
136
Teachers Retirement System of the State of Kentucky
Kentucky
$584K -$37.1K -1,789 -6%
CC
137
Carlson Capital
Texas
$574K +$574K +27,700 New
Sumitomo Mitsui Trust Group
138
Sumitomo Mitsui Trust Group
Japan
$562K -$11.2K -540 -2%
NAMA
139
Nikko Asset Management Americas
New York
$562K -$11.2K -540 -2%
WTG
140
West Tower Group
Virginia
$559K – – –
COPPSERS
141
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$535K +$34K +1,643 +7%
XT
142
XTX Topco
Cayman Islands
$531K +$168K +8,097 +46%
EWA
143
EP Wealth Advisors
California
$529K -$3.46K -167 -0.6%
CIA
144
Corigliano Investment Advisers
North Carolina
$528K +$528K +25,500 New
Verition Fund Management
145
Verition Fund Management
Connecticut
$508K -$181K -8,742 -26%
Bank of Montreal
146
Bank of Montreal
Ontario, Canada
$502K -$20.6K -992 -4%
HWAM
147
Hennion & Walsh Asset Management
New Jersey
$497K -$254K -12,275 -34%
HCA
148
Harbor Capital Advisors
Illinois
$497K -$22.4K -1,078 -4%
I
149
InceptionR
California
$483K +$483K +23,333 New
OPERF
150
Oregon Public Employees Retirement Fund
Oregon
$473K -$5.84K -282 -1%
4 5
6
7 8