$COLL

$23.00 -$0.21 (0.9%) Close

$COLL Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 32.6M shares outstanding

Who owns COLL?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 60.8%

BlackRock, Inc. 16.7% · Jupiter Topco LLC 6.6%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

277

+10 vs last qtr

Net shares bought

+1.1M

by institutions in Q2 2026

New / sold out

44 / 34

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +2.1M
Goldentree Asset Management LP NEW +744.9K

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −1.8M
Marshall Wace, LLP −495.5K

Who is planning to sell?

Notices of proposed sale, last 12 months

$8.64M

14 notices from 8 people

Shares covered

223.1K

0.69% of the company

Arranged in advance

56%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Dreyer Scott Former officer $3.47M
Fallon John A. Former director $2.44M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2018–FY2025

+20.5%

+2.70% a year

Each share's claim on the business

−17.0%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$222M vs $201M

over 8 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years65% 3–5 years10% 1–3 years12% Under 1 year13%

Quarterly turnover

16.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting COLL on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	5.4M	16.71%	+307.2K (+6.0%)	≤2021	0.0%
Shares held by quarter Peak holding5.6M (Q4'24) Change over 8 quarters−78.6K Share of the company16.710% BlackRock, Inc.'s full portfolio →
JT Jupiter Topco LLC	2.1M	6.60%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding2.1M (Q2'26) Change over 8 quarters+2.1M Share of the company6.600% Jupiter Topco LLC's full portfolio →

BlackRock, Inc.

5.4M

% of company

16.71%

Change vs last qtr

+307.2K (+6.0%)

Held since

≤2021

Jupiter Topco LLC

2.1M

% of company

6.60%

Change vs last qtr

NEW

Held since

Q2 '26

28 more super investors behind a free account

See every manager holding Collegium Pharmaceutical, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting COLL on Form N-PORT; together they hold 61.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$70.8M	2.0M	6.00%	0.06%	June 30, 2026
FB Fullerthaler Behavioral Small Cap Equity Capitol Series Trust	$56.5M	1.6M	4.80%	0.45%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$70.8M

% of company

6.00%

% of the fund

0.06%

As of

June 30, 2026

Fullerthaler Behavioral Small Cap Equity

Capitol Series Trust

Position value

$56.5M

% of company

4.80%

% of the fund

0.45%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Collegium Pharmaceutical, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
FJ Freund John Gordon Insider	1.3M	4.00%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company4.000% Freund John Gordon's insider activity →
HM Heffernan Michael Thomas Insider	213.4K	0.66%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.660% Heffernan Michael Thomas's insider activity →

Freund John Gordon

Insider

1.3M

% of company

4.00%

Change vs last qtr

—

Held since

—

Heffernan Michael Thomas

Insider

213.4K

% of company

0.66%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of Collegium Pharmaceutical, Inc..

Comments