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Oceaneering

285 hedge funds and large institutions have $2.1B invested in Oceaneering in 2025 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 108 increasing their positions, 111 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

5% more call options, than puts

Call options by funds: $1.81M | Put options by funds: $1.73M

3% more first-time investments, than exits

New positions opened: 37 | Existing positions closed: 36

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

0% less funds holding

Funds holding: 286285 (-1)

3% less repeat investments, than reductions

Existing positions increased: 108 | Existing positions reduced: 111

3.98% less ownership

Funds ownership: 99.47%95.49% (-4%)

20% less capital invested

Capital invested by funds: $2.62B → $2.1B (-$525M)

Holders
285
Holders Change
-1
Holders Change %
-0.35%
% 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
37
Increased
108
Reduced
111
Closed
36
Calls
$1.81M
Puts
$1.73M
Net Calls
+$81K
Net Calls Change
+$2.55M
Name Holding Trade Value Shares
Change
Change in
Stake
GAM
126
Gotham Asset Management
New York
$723K +$183K +7,705 +30%
New York State Common Retirement Fund
127
New York State Common Retirement Fund
New York
$682K -$27M -1,139,182 -97%
Two Sigma Advisers
128
Two Sigma Advisers
New York
$667K -$228K -9,600 -24%
KTA
129
Keeley-Teton Advisors
Illinois
$666K +$193K +8,150 +36%
Teacher Retirement System of Texas
130
Teacher Retirement System of Texas
Texas
$665K +$241K +10,148 +50%
GCP
131
GSA Capital Partners
United Kingdom
$662K +$721K +30,356 New
TRSOTSOK
132
Teachers Retirement System of the State of Kentucky
Kentucky
$654K
BHCM
133
Brevan Howard Capital Management
Jersey
$648K +$705K +29,699 New
MSRPS
134
Maryland State Retirement & Pension System
Maryland
$644K -$107K -4,499 -13%
ASRS
135
Arizona State Retirement System
Arizona
$632K -$11.6K -490 -2%
Osaic Holdings
136
Osaic Holdings
Arizona
$630K -$54.4K -2,293 -7%
AB
137
Amalgamated Bank
New York
$628K -$19.1K -806 -3%
OP
138
Oldfield Partners
United Kingdom
$627K -$242K -10,200 -26%
Zurich Cantonal Bank
139
Zurich Cantonal Bank
Switzerland
$626K -$11.8K -496 -2%
State Board of Administration of Florida Retirement System
140
State Board of Administration of Florida Retirement System
Florida
$626K
NAMA
141
Nikko Asset Management Americas
New York
$604K +$252K +10,628 +62%
Sumitomo Mitsui Trust Group
142
Sumitomo Mitsui Trust Group
Japan
$604K +$252K +10,628 +62%
SW
143
SteelPeak Wealth
California
$596K +$371K +15,634 +134%
WTG
144
West Tower Group
Virginia
$589K
EWA
145
EP Wealth Advisors
California
$561K +$67.2K +2,832 +12%
Bank of Montreal
146
Bank of Montreal
Ontario, Canada
$550K +$90.5K +3,812 +18%
HCA
147
Harbor Capital Advisors
Illinois
$546K +$594K +25,044 New
State of Tennessee, Department of Treasury
148
State of Tennessee, Department of Treasury
Tennessee
$537K
GLA
149
Great Lakes Advisors
Illinois
$534K -$527K -22,195 -48%
COPPSERS
150
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$527K +$61.9K +2,609 +12%

OII Hedge Fund Activity: Q1 2025 in Review

285 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Oceaneering (OII) for Q1 2025, worth a combined $2.1B — down 20% from $2.62B a quarter earlier.

Buyers outnumbered sellers: 37 funds opened new OII positions and 36 closed out — a net gain of 1 holder — while 108 added to existing stakes and 111 trimmed.

The largest buyer was Brown Advisory, adding an estimated $33.6M. The largest seller was Bank of New York Mellon, cutting an estimated $33.2M.

  • 285 institutional investors held Oceaneering (OII) as of Q1 2025, down from 286 in Q4 2024.
  • Funds reported $2.1B of Oceaneering stock for Q1 2025, down 20% quarter-over-quarter.
  • 37 funds opened new Oceaneering positions in Q1 2025 and 36 closed out, a net change of +1 holder.
  • The largest Oceaneering buyer in Q1 2025 was Brown Advisory, an estimated $33.6M added.
  • The largest Oceaneering seller in Q1 2025 was Bank of New York Mellon, an estimated $33.2M sold.

Based on aggregated 13F filings for Q1 2025.