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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.

New
Increased
Maintained
Reduced
Closed
Holders
285
Holders Change
+2
Holders Change %
+0.71%
% of All Funds
3.82%
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
Balyasny Asset Management
Illinois
$28.2M
2
Brown Advisory
Brown Advisory
Maryland
$152M
3
Millennium Management
Millennium Management
New York
$15.2M
4
BTW
Boston Trust Walden
Massachusetts
$10.9M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
$66.1M

Top Sellers

1
CAM
Congress Asset Management
Massachusetts
$0
2
BlackRock
BlackRock
New York
$326M
3
Fidelity International
Fidelity International
Bermuda
$0
4
Fidelity Investments
Fidelity Investments
Massachusetts
$5.9M
5
RIM
Ranger Investment Management
Texas
$12.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
State of New Jersey Common Pension Fund D
76
State of New Jersey Common Pension Fund D
New Jersey
$2.06M +$240K +11,607 +13%
CM
77
CoreCommodity Management
Connecticut
$2.03M +$476K +22,967 +31%
Citigroup
78
Citigroup
New York
$2.01M -$2.69M -129,722 -57%
D.E. Shaw & Co
79
D.E. Shaw & Co
New York
$1.95M -$1.22M -58,939 -39%
California State Teachers Retirement System (CalSTRS)
80
California State Teachers Retirement System (CalSTRS)
California
$1.93M +$13.1K +634 +0.7%
IP
81
Isthmus Partners
Wisconsin
$1.86M +$27.9K +1,345 +2%
T. Rowe Price Associates
82
T. Rowe Price Associates
Maryland
$1.84M +$51.3K +2,473 +3%
Mitsubishi UFJ Asset Management
83
Mitsubishi UFJ Asset Management
Japan
$1.8M +$431K +20,815 +31%
Renaissance Technologies
84
Renaissance Technologies
New York
$1.77M +$653K +31,500 +58%
A
85
AlphaQuest
New York
$1.75M +$394K +19,009 +29%
DFCM
86
Dark Forest Capital Management
Puerto Rico
$1.73M +$65.3K +3,153 +4%
EGM
87
Engineers Gate Manager
New York
$1.73M +$184K +8,874 +12%
Canada Life
88
Canada Life
Manitoba, Canada
$1.72M -$59.7K -2,883 -3%
WCM
89
Wedge Capital Management
North Carolina
$1.67M +$217K +10,471 +15%
IIM
90
INTECH Investment Management
Florida
$1.64M -$298K -14,369 -15%
GC
91
Glenorchy Capital
Australia
$1.58M -$3.34K -161 -0.2%
ZIM
92
Zacks Investment Management
Illinois
$1.49M +$1.49M +71,887 New
Norges Bank
93
Norges Bank
Norway
$1.48M +$1.48M +71,663 New
Jennison Associates
94
Jennison Associates
New York
$1.48M +$288K +13,879 +24%
LPL Financial
95
LPL Financial
California
$1.45M +$416K +20,056 +40%
Citadel Advisors
96
Citadel Advisors
Florida
$1.41M -$1.17M -56,323 -45%
OAM
97
Oppenheimer Asset Management
New York
$1.4M -$56.8K -2,741 -4%
Pathstone Holdings
98
Pathstone Holdings
New Jersey
$1.3M +$207K +10,006 +19%
KAS
99
Kestra Advisory Services
Texas
$1.27M -$13.5K -653 -1%
SOADOR
100
State of Alaska Department of Revenue
Alaska
$1.24M +$80.9K +3,903 +7%
2 3
4
5 6