DOSSIER · 13F Holders · Q2 2026
COLL 2.875 02/15/29

Collegium Pharmaceutical Inc

12 institutions still hold Collegium Pharmaceutical Inc as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 19459JAC8·12 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$297M
visible holders
Holders
12
filers reporting
Concentration
57.82%
LINDEN ADVISORS LP #1
top holder share
AI Holders Summary · Q2 2026

12 institutions reported COLL 2.875 02/15/29 in Q2 2026. LINDEN ADVISORS LP leads at 57.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
LINDEN ADVISORS LP
CIK 0001279396
$172M139.2M0.89%Q2 2026
02
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$86M68.8M1.21%Q2 2026
03
SILVERBACK ASSET MANAGEMENT LLC
CIK 0001278960
$19M15.3M2.03%Q2 2026
04
SSI INVESTMENT MANAGEMENT LLC
CIK 0000938487
$6M5.1M0.36%Q2 2026
05
Wellesley Asset Management
CIK 0001533551
$5M5.7M0.42%Q2 2026
06
FMR LLC
CIK 0000315066
$3M2.8M0.00%Q2 2026
07
PICTON MAHONEY ASSET MANAGEMENT
CIK 0001539041
$3M2.5M0.02%Q2 2026
08
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$2M1.3M0.00%Q2 2026
09
Mirabaud Asset Management (France) SAS
CIK 0002033031
$1M1.0M0.56%Q2 2026
10
MORGAN STANLEY
CIK 0000895421
$377K306K0.00%Q2 2026
11
LAZARD ASSET MANAGEMENT LLC
CIK 0001207017
$8K676K0.00%Q2 2026
12
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025