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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 %
BlackRock
1
BlackRock
New York
$326M 15,757,230 -879,127 -5%
Vanguard Group
2
Vanguard Group
Pennsylvania
$257M 12,391,524 +29,978 +0.2%
Brown Advisory
3
Brown Advisory
Maryland
$152M 7,345,637 +799,718 +12%
State Street
4
State Street
Massachusetts
$99.7M 4,810,834 -38,711 -0.8%
EARNEST Partners
5
EARNEST Partners
Georgia
$87.4M 4,219,384 +1,990 +0%
Neuberger Berman Group
6
Neuberger Berman Group
New York
$75M 3,621,247 -240,156 -6%
American Century Companies
7
American Century Companies
Missouri
$69.8M 3,370,206 +256,628 +8%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$66.1M 3,187,618 +411,102 +15%
GF
9
Greenhouse Funds
Maryland
$51.6M 2,491,803 +223,724 +10%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$46.6M 2,248,864 -77,593 -3%
Loomis, Sayles & Company
11
Loomis, Sayles & Company
Massachusetts
$39.9M 1,926,047 -142,665 -7%
Charles Schwab
12
Charles Schwab
California
$28.4M 1,368,598 +37,301 +3%
Balyasny Asset Management
13
Balyasny Asset Management
Illinois
$28.2M 1,361,917 +1,227,950 +917%
Royal Bank of Canada
14
Royal Bank of Canada
Ontario, Canada
$28.2M 1,360,656 +121,314 +10%
VanEck Associates
15
VanEck Associates
New York
$25.8M 1,244,136 -239,168 -16%
Franklin Resources
16
Franklin Resources
California
$25.6M 1,236,193 -92,970 -7%
Northern Trust
17
Northern Trust
Illinois
$23.8M 1,148,091 -55,801 -5%
FWIA
18
Fort Washington Investment Advisors
Ohio
$23.5M 1,134,244 +149,702 +15%
Morgan Stanley
19
Morgan Stanley
New York
$21.8M 1,050,683 +10,396 +1%
Goldman Sachs
20
Goldman Sachs
New York
$19.2M 928,792 +162,200 +21%
ACB
21
Aristotle Capital Boston
Massachusetts
$18M 870,569 -54,323 -6%
Qube Research & Technologies (QRT)
22
Qube Research & Technologies (QRT)
United Kingdom
$16.8M 812,325 +182,825 +29%
NL
23
Nuveen LLC
North Carolina
$15.7M 755,619 +205,721 +37%
Millennium Management
24
Millennium Management
New York
$15.2M 732,371 +630,543 +619%
Invesco
25
Invesco
Georgia
$13.5M 650,188 +48,382 +8%
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