DOSSIER · 13F Holders · Q2 2026
SUBCY

SUBSEA 7 SA

6 institutions still hold SUBSEA 7 SA as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 864323100·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$965K
visible holders
Holders
6
filers reporting
Concentration
75.95%
O'Brien Greene & Co. Inc #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported SUBCY in Q2 2026. O'Brien Greene & Co. Inc leads at 75.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
O'Brien Greene & Co. Inc
CIK 0001768635
$733K21K0.20%Q2 2026
02
RHUMBLINE ADVISERS
CIK 0001115418
$109K3K0.00%Q2 2026
03
GAMMA Investing LLC
CIK 0002010235
$94K3K0.00%Q2 2026
04
IMA Advisory Services, Inc.
CIK 0001455495
$13K3860.00%Q2 2026
05
Golden State Equity Partners
CIK 0001845003
$9K3000.00%Q1 2026
06
ORG Partners LLC
CIK 0001979372
$6K3000.00%Q4 2025