DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
RIG 4.625 09/30/29 *

TRANSOCEAN INC

16 institutions still hold TRANSOCEAN INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 893830BW8·16 13F holders·last filed Mar 31, 2026
Market cap
1.5%
vs prior quarter
13F value held
$490M
62.0% inst. owned
of float
Holders
16
+95 QoQ
filers reporting
Activity
+69 / −6
+930 added · −741 reduced
this quarter
Concentration
54.22%
Hudson Bay Capital Management LP #1
top holder share
AI Holders Summary · Q1 2026

16 institutions reported RIG 4.625 09/30/29 * in Q1 2026. Hudson Bay Capital Management LP leads at 54.2% of the visible book. +95 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Hudson Bay Capital Management LP
CIK 0001393825
$266M131.2M0.92%Q1 2026
02
Sculptor Capital LP
CIK 0001054587
$83M40.9M0.86%Q1 2026
03
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$56M27.6M0.05%Q1 2026
04
CSS LLC/IL
CIK 0001103646
$50M24.4M2.37%Q1 2026
05
MIZUHO SECURITIES USA LLC
CIK 0000812291
$21M10.5M0.50%Q1 2026
06
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$5M2.5M0.00%Q1 2026
07
FMR LLC
CIK 0000315066
$5M2.4M0.00%Q1 2026
08
WELLS FARGO & COMPANY/MN
CIK 0000072971
$4M1.8M0.00%Q1 2026
09
DLD Asset Management, LP
CIK 0001578299
$994,500150K0.09%Q1 2026
10
CITIGROUP INC
CIK 0000831001
$164,18781K0.00%Q1 2026
11
Calamos Advisors LLC
CIK 0001316507
$73,01536K0.00%Q1 2026
12
Hardin Capital Partners, LLC
CIK 0002033094
$72,93011K0.03%Q1 2026
13
Jefferies Financial Group Inc.
CIK 0000096223
$40,64420K0.00%Q1 2026
14
LORD, ABBETT & CO. LLC
CIK 0000728100
$22,90011.3M0.07%Q1 2026
15
LAZARD ASSET MANAGEMENT LLC
CIK 0001207017
$17,029837K0.00%Q1 2026
16
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025