Collegium Pharmaceutical Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:COLL Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
05 Dec 25	SellUS$171,673	Rita Balice-Gordon	Individual	3,650	US$47.03
29 Aug 25	SellUS$671,576	Thomas Smith	Individual	17,478	US$38.42
13 Aug 25	SellUS$946,250	Rubric Capital Management LP	Company	25,000	US$37.85
08 Aug 25	SellUS$400,641	John Freund	Individual	11,659	US$34.36
06 Mar 25	SellUS$1,303,474	Shirley Kuhlmann	Individual	46,067	US$28.50

Insider Trading Volume

Insider Buying: COLL insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of COLL?
Owner Type	Number of Shares	Ownership Percentage
State or Government	18,880	0.0503%
Individual Insiders	262,039	0.698%
Hedge Funds	4,425,687	11.8%
Institutions	32,858,325	87.5%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 88.7% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
16.4%	BlackRock, Inc.	5,178,016	US$236.5m	-3.07%	no data
8.94%	Rubric Capital Management LP	2,826,498	US$129.1m	-10.5%	1.63%
7.56%	Eventide Asset Management, LLC	2,390,912	US$109.2m	-9.48%	1.65%
7.04%	The Vanguard Group, Inc.	2,226,378	US$101.7m	-0.97%	no data
5.06%	Renaissance Technologies LLC	1,599,189	US$73.1m	5.13%	0.1%
4.75%	Fuller & Thaler Asset Management, Inc.	1,502,674	US$68.6m	5.01%	0.23%
4.15%	Principal Global Investors, LLC	1,310,671	US$59.9m	-10.7%	0.03%
4.09%	State Street Global Advisors, Inc.	1,293,911	US$59.1m	-4.47%	no data
3.28%	Emerald Advisers, LLC	1,035,355	US$47.3m	-25.4%	0.87%
2.88%	Janus Henderson Group plc	910,241	US$41.6m	93.9%	0.01%
2.65%	Geode Capital Management, LLC	836,381	US$38.2m	7.19%	no data
2.63%	Invesco Ltd.	832,350	US$38.0m	-20.7%	0.01%
2.63%	Dimensional Fund Advisors LP	831,091	US$38.0m	-3.5%	0.01%
2.51%	Massachusetts Financial Services Company	793,934	US$36.3m	-0.66%	0.01%
1.82%	The Goldman Sachs Group, Inc.	574,822	US$26.3m	619%	0.01%
1.59%	Morgan Stanley	501,235	US$22.9m	58.5%	no data
1.52%	Victory Capital Management Inc.	479,672	US$21.9m	-5.72%	0.01%
1.43%	Invesco Capital Management LLC	450,621	US$20.6m	-15.9%	0.01%
1.29%	Charles Schwab Investment Management, Inc.	406,849	US$18.6m	5.37%	no data
1.23%	D. E. Shaw & Co., L.P.	389,775	US$17.8m	91.1%	0.02%
1.17%	Northern Trust Global Investments	371,316	US$17.0m	-2.49%	no data
1.1%	LSV Asset Management	346,600	US$15.8m	-0.94%	0.03%
1.01%	Qube Research & Technologies Ltd	320,559	US$14.6m	238%	0.02%
1.01%	Loomis Sayles & Company, L.P.	317,880	US$14.5m	-5.71%	0.02%
0.99%	UBS Asset Management AG	312,475	US$14.3m	-4.1%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/01/06 09:15
End of Day Share Price	2026/01/05 00:00
Earnings	2025/09/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Collegium Pharmaceutical, Inc. is covered by 13 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Jenna Davidner	Barclays
Dana Flanders	Guggenheim Securities, LLC
Antonio Arce	H.C. Wainwright & Co.