OII
Oceaneering Intl (OII)
NYSE
$36.25+$0.06 (+0.17%)
Price as of Jun 23, 2026 6:38 PM EDT
  • $3.6B
    Market Cap
  • 74.83%
    1-Year Change
  • Oil & Gas Equipment & Services
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
17.10%
17.1M
+586,310 (+3.44%)
Dec 31, 2024
BLACKROCK, INC.
16.39%
16.3M
+345,492 (+2.11%)
Mar 31, 2026
BLACKROCK INC.
15.85%
15.8M
-91,254 (-0.58%)
Jun 30, 2024
VANGUARD GROUP INC
12.40%
12.4M
+187,707 (+1.52%)
Dec 31, 2025
N/A
7.60%
7.6M
+7.6M (+100.00%)
Mar 31, 2026
BROWN ADVISORY INC
5.80%
5.8M
-1.6M (-28.30%)
Mar 31, 2026
STATE STREET CORP
5.05%
5.0M
+386,944 (+7.69%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions1.7B (69.03%)
  • Mutual Funds779.1M (30.83%)
  • Insiders3.4M (0.13%)
  • Other0 (0.00%)

Insider Transactions

  • 0.13% (3.4M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 10
    Number of InsiderSelling (last 12 months)
  • $15.5M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
MCEVOY M KEVIN
Sell
Mar 11, 2026
$905,663.06
25,678
$35.27
130,404
GRANATO LEONARDO P
SVP, IMDS
Sell
Feb 26, 2026
$45,732.00
1,236
$37.00
14,248
Kriendler Holly
SVP, Chief H.R. Officer
Sell
Feb 26, 2026
$216,323.38
5,798
$37.31
24,702
GRANATO LEONARDO P
SVP, IMDS
Sell
Feb 26, 2026
$7,542.68
202
$37.34
0
Roedel Shaun
SVP, Mfd. Prods.
Gift
Feb 25, 2026
$0.00
2,000
$0.00
54,146
Dunn Catherine E
VP, Chief Accounting Officer
Sell
Feb 25, 2026
$108,807.69
2,866
$37.97
10,738
Simons Jennifer Fremont
SVP, CLO and Secretary
Sell
Feb 25, 2026
$400,664.64
10,284
$38.96
35,387
GRANATO LEONARDO P
SVP, IMDS
Sell
Feb 25, 2026
$315,310.05
8,415
$37.47
15,484
Childress Earl
SVP, Chief Commercial Ofc.
Sell
Feb 25, 2026
$842,398.38
22,518
$37.41
35,577
DYER CHRISTOPHER J
SVP, OPGroup
Sell
Feb 25, 2026
$228,480.00
6,000
$38.08
15,902
Kriendler Holly
SVP, Chief H.R. Officer
Sell
Feb 25, 2026
$717,134.11
19,007
$37.73
30,500
Dunn Catherine E
VP, Chief Accounting Officer
Sell
Feb 25, 2026
$232,774.08
6,204
$37.52
0
Beachy Karen H
Sell
Feb 25, 2026
$366,618.00
9,800
$37.41
22,816
GRANATO LEONARDO P
SVP, IMDS
In Kind
Feb 24, 2026
$104,662.64
2,812
$37.22
23,899
MCDONALD MARTIN J
SVP, Subsea Robotics
In Kind
Feb 24, 2026
$179,623.72
4,826
$37.22
119,229
DYER CHRISTOPHER J
SVP, OPGroup
In Kind
Feb 24, 2026
$104,662.64
2,812
$37.22
21,902
Roedel Shaun
SVP, Mfd. Prods.
In Kind
Feb 24, 2026
$76,933.74
2,067
$37.22
56,146
Dunn Catherine E
VP, Chief Accounting Officer
In Kind
Feb 24, 2026
$21,401.50
575
$37.22
13,604
Simons Jennifer Fremont
SVP, CLO and Secretary
In Kind
Feb 24, 2026
$248,369.06
6,673
$37.22
45,671
Childress Earl
SVP, Chief Commercial Ofc.
In Kind
Feb 24, 2026
$174,747.90
4,695
$37.22
58,095
LARSON RODERICK A.
President and CEO
In Kind
Feb 24, 2026
$1.4M
38,227
$37.22
251,431
Kriendler Holly
SVP, Chief H.R. Officer
In Kind
Feb 24, 2026
$150,666.56
4,048
$37.22
49,507
Kriendler Holly
SVP, Chief H.R. Officer
Award
Feb 20, 2026
$0.00
7,878
$0.00
7,878
Simons Jennifer Fremont
SVP, CLO and Secretary
Award
Feb 20, 2026
$0.00
15,990
$0.00
15,990
DYER CHRISTOPHER J
SVP, OPGroup
Award
Feb 20, 2026
$0.00
6,492
$0.00
6,492
Laura Benjamin
SVP & Chief Operating Officer
Award
Feb 20, 2026
$0.00
18,988
$0.00
18,988
Kriendler Holly
SVP, Chief H.R. Officer
Award
Feb 20, 2026
$0.00
7,878
$0.00
7,878
Dunn Catherine E
VP, Chief Accounting Officer
Award
Feb 20, 2026
$0.00
3,317
$0.00
3,317
GRANATO LEONARDO P
SVP, IMDS
Award
Feb 20, 2026
$0.00
6,492
$0.00
6,492
MERZ WILLIAM R.
SVP, Aerospace and Def. Tech.
Award
Feb 20, 2026
$0.00
6,422
$0.00
6,422