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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
BlackRock
1
BlackRock
New York
$363M -$9.99M -420,675 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$270M -$2.82M -118,971 -1%
Brown Advisory
3
Brown Advisory
Maryland
$143M +$33.6M +1,416,251 +28%
State Street
4
State Street
Massachusetts
$106M -$3.31M -139,642 -3%
EARNEST Partners
5
EARNEST Partners
Georgia
$92M -$29M -1,220,278 -22%
Neuberger Berman Group
6
Neuberger Berman Group
New York
$84.2M -$22.4M -945,296 -20%
American Century Companies
7
American Century Companies
Missouri
$67.9M +$6.45M +271,868 +10%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$60.6M +$2.64M +111,410 +4%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$50.8M +$1.34M +56,264 +2%
GF
10
Greenhouse Funds
Maryland
$49.5M -$10M -421,716 -16%
Loomis, Sayles & Company
11
Loomis, Sayles & Company
Massachusetts
$45.1M -$885K -37,290 -2%
CAM
12
Congress Asset Management
Massachusetts
$39.1M +$1.29M +54,238 +3%
VanEck Associates
13
VanEck Associates
New York
$32.4M -$2.02M -85,177 -5%
Charles Schwab
14
Charles Schwab
California
$29M +$775K +32,639 +3%
Franklin Resources
15
Franklin Resources
California
$29M -$16.9M -710,712 -35%
Royal Bank of Canada
16
Royal Bank of Canada
Ontario, Canada
$27M -$1.96M -82,425 -6%
Northern Trust
17
Northern Trust
Illinois
$26.3M -$641K -26,994 -2%
Morgan Stanley
18
Morgan Stanley
New York
$22.7M -$3.06M -128,716 -11%
FWIA
19
Fort Washington Investment Advisors
Ohio
$21.5M +$3.08M +129,793 +15%
Fidelity Investments
20
Fidelity Investments
Massachusetts
$20.8M -$11.9M -500,441 -34%
ACB
21
Aristotle Capital Boston
Massachusetts
$20.2M -$7.08M -298,237 -24%
RIM
22
Ranger Investment Management
Texas
$19.5M -$317K -13,361 -1%
Fidelity International
23
Fidelity International
Bermuda
$17.4M +$1.74M +73,275 +10%
Goldman Sachs
24
Goldman Sachs
New York
$16.7M -$4.04M -169,991 -18%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$14.2M -$33.2M -1,399,484 -68%

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.