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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 %
Nisa Investment Advisors
176
Nisa Investment Advisors
Missouri
$298K +$4.12K +199 +1%
VPIM
177
Vanguard Personalized Indexing Management
California
$296K +$32.9K +1,589 +13%
Public Employees Retirement Association of Colorado
178
Public Employees Retirement Association of Colorado
Colorado
$293K – – –
CA
179
CSM Advisors
Pennsylvania
$291K +$291K +14,027 New
CC
180
Corton Capital
Ontario, Canada
$283K +$283K +13,675 New
Carson Wealth (CWM LLC)
181
Carson Wealth (CWM LLC)
Nebraska
$283K +$208K +10,046 +276%
TRCT
182
Tower Research Capital (TRC)
New York
$274K +$222K +10,724 +432%
MOACM
183
Mutual of America Capital Management
New York
$268K -$37.2K -1,795 -12%
GC
184
Guggenheim Capital
Illinois
$264K +$22.3K +1,074 +9%
TCM
185
Teza Capital Management
Illinois
$261K -$143K -6,922 -35%
IIC
186
Integrated Investment Consultants
Michigan
$251K -$157K -7,572 -39%
Cambridge Investment Research Advisors
187
Cambridge Investment Research Advisors
Iowa
$245K -$16.2K -780 -6%
Capital Fund Management (CFM)
188
Capital Fund Management (CFM)
France
$241K +$241K +11,610 New
CWM
189
CIBC World Markets
New York
$240K -$225K -10,845 -48%
Lido Advisors
190
Lido Advisors
California
$239K +$166 +8 +0.1%
SAM
191
Shell Asset Management
Netherlands
$237K -$45.1K -2,175 -16%
JG
192
Jain Global
New York
$236K -$99.5K -4,800 -30%
GLA
193
Great Lakes Advisors
Illinois
$228K -$280K -13,501 -55%
PCM
194
Polymer Capital Management
New York
$227K +$227K +10,935 New
SG Americas Securities
195
SG Americas Securities
New York
$220K +$124K +5,972 +129%
BC
196
Bridgefront Capital
Texas
$213K -$45.4K -2,189 -18%
QCM
197
Quantinno Capital Management
New York
$212K +$9.74K +470 +5%
Corient Private Wealth
198
Corient Private Wealth
Florida
$211K +$211K +10,185 New
CPBTD
199
Central Pacific Bank - Trust Division
Hawaii
$209K +$17.4K +840 +9%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
200
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$207K – – –
6 7
8
9 10