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
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	8,283	0.023%
Individual Insiders	262,927	0.729%
Hedge Funds	3,132,743	8.68%
Institutions	32,679,002	90.6%

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

Top Shareholders

Top 25 shareholders own 90.03% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
17%	BlackRock, Inc.	5,341,828	US$192.3m	-2.06%	no data
9.94%	Rubric Capital Management LP	3,132,743	US$112.8m	-0.79%	1.45%
8.38%	Eventide Asset Management, LLC	2,641,401	US$95.1m	0.07%	1.51%
7.14%	The Vanguard Group, Inc.	2,248,211	US$80.9m	0.07%	no data
4.83%	Renaissance Technologies LLC	1,521,170	US$54.8m	-5.87%	0.07%
4.66%	Principal Global Investors, LLC	1,467,775	US$52.8m	-6.71%	0.02%
4.54%	Fuller & Thaler Asset Management, Inc.	1,431,029	US$51.5m	4.34%	0.17%
4.3%	State Street Global Advisors, Inc.	1,354,417	US$48.8m	-1.5%	no data
3.33%	Invesco Ltd.	1,049,127	US$37.8m	7.42%	0.01%
3.29%	Emerald Advisers, LLC	1,035,355	US$37.3m	-25.4%	0.71%
2.73%	Dimensional Fund Advisors LP	861,191	US$31.0m	-5.26%	no data
2.52%	Massachusetts Financial Services Company	793,934	US$28.6m	-0.66%	0.01%
2.48%	Geode Capital Management, LLC	780,243	US$28.1m	1.92%	no data
1.7%	Invesco Capital Management LLC	535,744	US$19.3m	-18.3%	0.01%
1.61%	Victory Capital Management Inc.	508,756	US$18.3m	2.01%	0.01%
1.49%	Janus Henderson Group plc	469,549	US$16.9m	9.08%	0.01%
1.42%	Bank of America Corporation	448,853	US$16.2m	15.6%	no data
1.23%	Charles Schwab Investment Management, Inc.	386,100	US$13.9m	0%	no data
1.21%	Northern Trust Global Investments	380,787	US$13.7m	-1.34%	no data
1.11%	LSV Asset Management	349,900	US$12.6m	-8.89%	0.02%
1.07%	Pacer Advisors, Inc.	337,667	US$12.2m	-19.4%	0.03%
1.07%	Loomis Sayles & Company, L.P.	337,137	US$12.1m	79.9%	0.01%
1.03%	UBS Asset Management AG	325,823	US$11.7m	13.3%	no data
1%	Morgan Stanley	316,273	US$11.4m	2.59%	no data
0.97%	Royce & Associates, LP	305,812	US$11.0m	1.06%	0.1%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/11/02 07:14
End of Day Share Price	2025/10/31 00:00
Earnings	2025/06/30
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

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

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 12 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
Dana Flanders	Guggenheim Securities, LLC
Antonio Arce	H.C. Wainwright & Co.
Oren Livnat	H.C. Wainwright & Co.