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Collegium Pharmaceutical
COLL

266 hedge funds and large institutions have $1.26B invested in Collegium Pharmaceutical in 2026 Q1 according to their latest regulatory filings, with 41 funds opening new positions, 108 increasing their positions, 77 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed

40% more repeat investments, than reductions

Existing positions increased: 108 | Existing positions reduced: 77

2.13% more ownership

Funds ownership: 117.45% → 119.58% (+2.1%)

4% less funds holding

Funds holding: 278 → 266 (-12)

11% less first-time investments, than exits

New positions opened: 41 | Existing positions closed: 46

27% less capital invested

Capital invested by funds: $1.72B → $1.26B (-$462M)

Holders
266
Holders Change
-12
Holders Change %
-4.32%
% of All Funds
3.27%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
41
Increased
108
Reduced
77
Closed
46
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Invesco
Invesco
Georgia
+$17.6M
2
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$16M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$15M
4
Millennium Management
Millennium Management
New York
+$12.3M
5
Marshall Wace
Marshall Wace
United Kingdom
+$10.9M

Top Sellers

1
EAM
Eventide Asset Management
Massachusetts
-$19.1M
2
EA
Emerald Advisers
Pennsylvania
-$9.59M
3
RCMNY
Rubric Capital Management (New York)
New York
-$9.18M
4
Jane Street
Jane Street
New York
-$8.83M
5
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$8.43M
Name Holding Trade Value Shares
Change 		Change in
Stake
SIS
251
Sound Income Strategies
Florida
$1.9K – – –
PMAM
252
Picton Mahoney Asset Management
Ontario, Canada
$1.02K – – –
GSEP
253
Golden State Equity Partners
California
$992 +$1.27K +30 New
ZBNA
254
Zions Bancorporation, National Association
Utah
$926 +$1.19K +28 New
KFAS
255
Keating Financial Advisory Services
Kansas
$827 +$1.06K +25 New
IWS
256
Intentional Wealth Strategies
Colorado
$794 +$1.02K +24 New
FMII
257
Farmers & Merchants Investments Inc
Nebraska
$595 – – –
SS
258
Sunbelt Securities
Texas
$496 – – –
AW
259
Ankerstar Wealth
Texas
$265 – – –
AGWCA
260
Annis Gardner Whiting Capital Advisors
Florida
$232 +$296 +7 New
TWD
261
True Wealth Design
Ohio
$199 – – –
CMA
262
Cedar Mountain Advisors
Oregon
$198 +$254 +6 New
GWM
263
Gilpin Wealth Management
Colorado
$166 – – –
AWM
264
Abound Wealth Management
Tennessee
$133 – – –
HFS
265
Hughes Financial Services
Virginia
$99 +$127 +3 New
Jane Street
266
Jane Street
New York
– -$8.83M -190,763 Closed
Norges Bank
267
Norges Bank
Norway
– -$5.21M -112,500 Closed
ECM
268
ExodusPoint Capital Management
New York
– -$4.87M -105,185 Closed
Connor, Clark & Lunn Investment Management (CC&L)
269
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
– -$2.54M -54,825 Closed
Two Sigma Advisers
270
Two Sigma Advisers
New York
– -$2.45M -53,000 Closed
HF
271
HRT Financial
New York
– -$2.25M -48,704 Closed
Walleye Capital
272
Walleye Capital
New York
– -$1.84M -39,708 Closed
JCIA
273
Jackson Creek Investment Advisors
Colorado
– -$1.8M -38,846 Closed
A
274
AlphaQuest
New York
– -$1.48M -31,967 Closed
VI
275
Versor Investments
New York
– -$1.44M -31,000 Closed
9 10
11
12 13

COLL Hedge Fund Activity: Q1 2026 in Review

266 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Collegium Pharmaceutical (COLL) for Q1 2026, worth a combined $1.26B — down 27% from $1.72B a quarter earlier.

Sellers outnumbered buyers: 46 funds closed out of COLL and 41 opened new positions — a net loss of 5 holders — while 77 trimmed existing stakes and 108 added.

The largest buyer was Invesco, adding an estimated $17.6M. The largest seller was Eventide Asset Management, cutting an estimated $19.1M.

  • 266 institutional investors held Collegium Pharmaceutical (COLL) as of Q1 2026, down from 278 in Q4 2025.
  • Funds reported $1.26B of Collegium Pharmaceutical stock for Q1 2026, down 27% quarter-over-quarter.
  • 41 funds opened new Collegium Pharmaceutical positions in Q1 2026 and 46 closed out, a net change of -5 holders.
  • The largest Collegium Pharmaceutical buyer in Q1 2026 was Invesco, an estimated $17.6M added.
  • The largest Collegium Pharmaceutical seller in Q1 2026 was Eventide Asset Management, an estimated $19.1M sold.

Based on aggregated 13F filings for Q1 2026.