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Collegium Pharmaceutical, Inc
$37.03 +1.16 (+3.23%) At close · Jul 2
Market Cap
$1.20B
Shares
32,433,779

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 265
Total Value: $1,233,330,177
Total Shares: 37,289,530
Showing 1–100 of 265 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 266 13F filers
Top Holder
13.8%
Jun 2023 → Mar 2026 · range 13.7% – 16.1%
of institutional value
Top 5
30.9%
Jun 2023 → Mar 2026 · range 30.9% – 41.9%
of institutional value
Top 10
49.2%
Jun 2023 → Mar 2026 · range 49.2% – 61.5%
of institutional value
HHI
390
Jun 2023 → Mar 2026 · range 390 – 526
Broadly held
Showing 100 of 265
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1267565 CUSIP 19459J104 13F (30d) 4 filings 4 filers Visit website Investor relations