OII
OCEANEERING INTL INC
Institutional Ownership · Q4 2025
Filing: Q4 2025OCEANEERING INTL INC (OII) is held by 298 institutional investors with combined holdings of $2.3B. Major holders include BlackRock, Inc. (BLK), VANGUARD GROUP INC, BROWN ADVISORY INC.
Institutional Holders
298
Total Value
$2.3B
Ownership %
97.3%
🏦 Top Institutional Holders
BlackRock, Inc. (BLK)
16.0M shares
$384.6M
16.04% ownership
VANGUARD GROUP INC
12.4M shares
$297.3M
12.40% ownership
BROWN ADVISORY INC
7.4M shares
$178.5M
7.45% ownership
STATE STREET CORP (STT, STT-PG)
4.6M shares
$111.7M
4.66% ownership
Morgan Stanley Institutional Investment Advisors LLC
3.9M shares
$94.8M
3.96% ownership