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Oceaneering
OII

Overview Fund Activity

282 hedge funds and large institutions have $1.97B invested in Oceaneering in 2025 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 111 increasing their positions, 97 reducing their positions, and 40 closing their positions.

Holders
282
Holders Change
-1
Holders Change %
-0.35%
% of All Funds
3.79%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
46
Increased
111
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 Market Value Shares Shares
Change 		Shares
Change %
IFU
301
iSAM Funds (UK)
United Kingdom
– – -15,234 Closed
N
302
Numerai
California
– – -14,876 Closed
DTL
303
Dynamic Technology Lab
Singapore
– – -13,680 Closed
AIM
304
Aigen Investment Management
New York
– – -11,599 Closed
MML Investors Services
305
MML Investors Services
Massachusetts
– – -9,974 Closed
PWG
306
Portside Wealth Group
Utah
– – -9,486 Closed
VI
307
Vestcor Inc
New Brunswick, Canada
– – -7,138 Closed
QCG
308
Quadrant Capital Group
Ohio
– – -4,037 Closed
Group One Trading
309
Group One Trading
Illinois
– – -3,895 Closed
SOW
310
State of Wyoming
Wyoming
– – -2,139 Closed
CCM
311
Coldstream Capital Management
Washington
– – -494 Closed
ACM
312
Aster Capital Management
United Arab Emirates
– – -486 Closed
HCP
313
Hexagon Capital Partners
Arkansas
– – -326 Closed
CIA
314
Cape Investment Advisory
Georgia
– – -169 Closed
LI
315
LRI Investments
Florida
– – -144 Closed
CWC
316
Carolinas Wealth Consulting
North Carolina
– – -114 Closed
FNWA
317
Financial Network Wealth Advisors
Utah
– – -67 Closed
SC
318
Stephens Consulting
Michigan
– – -45 Closed
CA
319
CoreCap Advisors
Michigan
– – -30 Closed
Barrow, Hanley, Mewhinney & Strauss
320
Barrow, Hanley, Mewhinney & Strauss
Texas
– – -25 Closed
GFPC
321
Global Financial Private Client
Florida
– – -9 Closed
HI
322
Harbour Investments
Wisconsin
– – -6 Closed
Wolverine Trading
323
Wolverine Trading
Illinois
– – – –
Walleye Trading
324
Walleye Trading
New York
– – – –
Simplex Trading
325
Simplex Trading
Illinois
– – – –
9 10 11 12
13