VANGUARD PORTFOLIO MANAGEMENT LLC
Position in OII — Oceaneering International Inc
CIK 2100121
MALVERN, PA
Position in OII
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$321,199,527
+$52,375,200 QoQ
Shares Held
7,926,938
+4.6% QoQ
Ownership
7.96%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#2
of 368 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in OII Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Equipment & Services
Energy · as of Jun 30, 2026VANGUARD PORTFOLIO MANAGEMENT LLC holds $12,048,789,065 across 36 Oil & Gas Equipment & Services names. OII ranks #8 (2.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SLB |
Slb Limited/Nv
|
75,128,679 | $3,492,732,286 | |
| 2 | BKR |
Baker Hughes Co
|
49,046,664 | $2,722,089,852 | |
| 3 | HAL |
Halliburton Co
|
40,080,854 | $1,360,744,993 | |
| 4 | FTI |
TechnipFMC plc
|
18,806,161 | $1,246,848,474 | |
| 5 | AROC |
Archrock, Inc.
|
11,081,528 | $451,129,004 | |
| 6 | NOV |
NOV Inc.
|
18,926,272 | $351,082,345 | |
| 7 | WFRD |
Weatherford International plc
|
4,158,478 | $338,915,957 | |
| 8 | OII |
Oceaneering International Inc
This page
|
7,926,938 | $321,199,527 |
All Filings in OII
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3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $321,199,527 | 7,926,938 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $271,726,873 | 7,660,752 | Shares | Sole | 2026-04-29 | |
| 2026-03-31 | $268,824,327 | 7,578,921 | Shares | Defined | 2026-05-08 | |
| No filing history on record for this holder in this stock. | ||||||