13F Insight
DOSSIER · 13F Holders · Q1 2026
GBX 2.875 04/15/28

GREENBRIER COS INC

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

CUSIP 393657AM3·41 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$404M
visible holders
Holders
41
filers reporting
Concentration
18.22%
TENOR CAPITAL MANAGEMENT Co., L.P. #1
top holder share
AI Holders Summary · Q1 2026

41 institutions reported GBX 2.875 04/15/28 in Q1 2026. TENOR CAPITAL MANAGEMENT Co., L.P. leads at 18.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$74M62.9M1.14%Q1 202602
Weiss Asset Management LP
CIK 0001357550
$70M60.2M1.18%Q1 202603
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$44M37.8M0.02%Q1 202604
Wellesley Asset Management
CIK 0001533551
$33M28.5M3.47%Q1 202605
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$26M22.2M0.02%Q1 202606
D. E. Shaw & Co., Inc.
CIK 0001009207
$24M22.5M0.01%Q4 202507
JPMORGAN CHASE & CO
CIK 0000019617
$24M20.9M0.00%Q1 202608
MACKAY SHIELDS LLC
CIK 0000061227
$22M19.0M0.81%Q1 202609
THRIVENT FINANCIAL FOR LUTHERANS
CIK 0000314984
$17M14.5M0.03%Q1 202610
ABSOLUTE INVESTMENT ADVISERS, LLC
CIK 0001316187
$13M11.8M1.30%Q2 202611
AMERIPRISE FINANCIAL INC
CIK 0000820027
$12M10.0M0.00%Q1 202612
STATE STREET CORP
CIK 0000093751
$8M7.2M0.00%Q1 202613
SG Americas Securities, LLC
CIK 0001313360
$8M67K0.01%Q1 202614
BlackRock, Inc.
CIK 0002012383
$7M5.9M0.00%Q1 202615
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$6M4.9M0.16%Q1 202616
FMR LLC
CIK 0000315066
$5M4.1M0.00%Q1 202617
SSI INVESTMENT MANAGEMENT LLC
CIK 0000938487
$5M4.0M0.32%Q1 202618
UBS Group AG
CIK 0001610520
$3M2.9M0.00%Q1 202619
Delaware Management Holdings, Inc.
CIK 0000921739
$3M2.6M0.01%Q1 202620
LORD, ABBETT & CO. LLC
CIK 0000728100
$2M1.9M0.01%Q1 2026
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