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Collegium Pharmaceutical

265 hedge funds and large institutions have $1.25B invested in Collegium Pharmaceutical in 2026 Q1 according to their latest regulatory filings, with 42 funds opening new positions, 106 increasing their positions, 77 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
265
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$17.6M
2 +$16M
3 +$15M
4
Millennium Management
Millennium Management
New York
+$12.3M
5
Marshall Wace
Marshall Wace
United Kingdom
+$10.9M

Top Sellers

1 -$19.1M
2 -$11.2M
3 -$9.59M
4
RCMNY
Rubric Capital Management (New York)
New York
-$9.18M
5
Jane Street
Jane Street
New York
-$8.83M
Name Holding Trade Value Shares
Change
Change in
Stake
GAM
76
Gotham Asset Management
New York
$1.84M
EB
77
Eastern Bank
Massachusetts
$1.81M
GC
78
Globeflex Capital
California
$1.75M
UBS AM
79
UBS AM
Illinois
$1.73M
Citigroup
80
Citigroup
New York
$1.7M
EGM
81
Engineers Gate Manager
New York
$1.65M
AllianceBernstein
82
AllianceBernstein
Tennessee
$1.62M
BHCM
83
Brevan Howard Capital Management
Jersey
$1.61M
MAM
84
Martingale Asset Management
Massachusetts
$1.61M
FMI
85
F/M Investments
District of Columbia
$1.59M
Raymond James Financial
86
Raymond James Financial
Florida
$1.5M
Corient Private Wealth
87
Corient Private Wealth
Florida
$1.48M
UBS Group
88
UBS Group
Switzerland
$1.43M
T. Rowe Price Associates
89
T. Rowe Price Associates
Maryland
$1.31M
NW
90
NewEdge Wealth
Pennsylvania
$1.29M
XT
91
XTX Topco
Cayman Islands
$1.24M
EIP
92
Easterly Investment Partners
Massachusetts
$1.22M
IIM
93
INTECH Investment Management
Florida
$1.2M
AFAS
94
Acorn Financial Advisory Services
Virginia
$1.16M
Deutsche Bank
95
Deutsche Bank
Germany
$1.09M
AG
96
Algert Global
California
$1.07M
IQI
97
Integrated Quantitative Investments
Washington
$1.03M
ZIM
98
Zacks Investment Management
Illinois
$1M
Creative Planning
99
Creative Planning
Kansas
$980K
California State Teachers Retirement System (CalSTRS)
100
California State Teachers Retirement System (CalSTRS)
California
$974K