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Collegium Pharmaceutical

241 hedge funds and large institutions have $1.1B invested in Collegium Pharmaceutical in 2025 Q1 according to their latest regulatory filings, with 32 funds opening new positions, 76 increasing their positions, 98 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding

Funds holding:

3% more capital invested

Capital invested by funds: $1.06B → $1.1B (+$33M)

22% less repeat investments, than reductions

Existing positions increased: 76 | Existing positions reduced: 98

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
241
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
$617K
Puts
$184K
Net Calls
Net Calls Change

Top Buyers

1 +$19.4M
2 +$13.8M
3 +$10.9M
4
Loomis, Sayles & Company
Loomis, Sayles & Company
Massachusetts
+$5.59M
5
Citadel Advisors
Citadel Advisors
Florida
+$4.69M

Top Sellers

1 -$51.4M
2 -$4.9M
3 -$4.28M
4
Man Group
Man Group
United Kingdom
-$3.39M
5
BlackRock
BlackRock
New York
-$3.02M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$1.34M
77
$1.33M
78
$1.27M
79
$1.25M
80
$1.22M
81
$1.2M
82
$1.19M
83
$1.15M
84
$1.15M
85
$1.11M
86
$1.07M
87
$1.05M
88
$1.03M
89
$1.02M
90
$987K
91
$958K
92
$941K
93
$922K
94
$906K
95
$901K
96
$898K
97
$859K
98
$827K
99
$787K
100
$727K