Skip to main content

Round Rock Advisors LLC

Position in OII — Oceaneering International Inc

CIK 1846991 WILTON, CT

Position in OII

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$614,056
+$340,739 QoQ
Shares Held
17,312
+52.2% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.22%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 99.4916820702403.ToString("F0")% Shared 0.ToString("F0")% None 0.5083179297597042.ToString("F0")%

Common Shares in OII Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Mar 31, 2026

Round Rock Advisors LLC holds $7,000,215 across 8 Oil & Gas Equipment & Services names. OII ranks #4 (8.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 OII
Oceaneering International Inc
This page
17,312 $614,056

All Filings in OII

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $614,056 17,312
2025-12-31 $273,317 11,374
2025-09-30 $281,847 11,374