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BLAIR WILLIAM & CO/IL

Position in OII — Oceaneering International Inc

CIK 902367 CHICAGO, IL

Position in OII

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$351,507
+$112,890 QoQ
Shares Held
9,910
-0.2% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 89% Shared 0% None 11%

Common Shares in OII Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $18,594,744 across 7 Oil & Gas Equipment & Services names. OII ranks #6 (1.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 OII
Oceaneering International Inc
This page
9,910 $351,507

All Filings in OII

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3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $351,507 9,910
2025-12-31 $238,617 9,930
2025-09-30 $246,907 9,964