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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
201
$17.6K
202
$16.9K
203
$15.8K
204
$12.9K
205
$12K
206
$10.5K
207
$8.78K
208
$8.42K
209
$8K
210
$6.78K
211
$6.33K
212
$6.18K
213
$5.97K
214
$5.37K
215
$5.37K
216
$4.48K
217
$4.36K
218
$4.33K
219
$4K
220
$4K
221
$3.82K
222
$3.13K
223
$2.92K
224
$2.81K
225
$2.75K