Stock ownership · SEC 13F · Q4 2024

COLLEGIUM PHARMACEUTICAL INC

Institutional ownership of COLLEGIUM PHARMACEUTICAL INC (CUSIP 19459JAC8) - who holds it, how concentrated it is, and what moved last quarter.

$27.9M
Reported value
3
Institutions
100%
Top-5 share

The verdict

3 institutions report $27.9M of COLLEGIUM PHARMACEUTICAL INC positions as of Q4 2024, with ownership heavily concentrated in a handful of holders.

3
institutions hold it
$27.9M
reported 13F value
100%
held by top 5

Based on long positions reported to the SEC as of Q4 2024; 13F omits shorts, options and non-US holdings.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 19459JAC8 · Q4 2024 $28M reported

VALUE-TRACE · HOLDERS-FOCUS · CONC-DOM · PHOTO-UNK · ACTIVITY-MID · BOOK-SHORT

  • VALUE-TRACE $27.9M
  • HOLDERS-FOCUS 3 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-MID 3 new
  • BOOK-SHORT 1Q history

Read with: Ownership concentration guide - COLLEGIUM PHARMACEUTICAL INC's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Largest institutional holders of COLLEGIUM PHARMACEUTICAL INC
  1. 1
    SILVERBACK ASSET MANAGEMENT LLC $16.3M
  2. 2
    Polar Asset Management Partners Inc. $10.5M
  3. 3
    Jefferies Financial Group Inc. $1.1M

Top 3 reported holders by value · Q4 2024

Top Institutional Holders

# Institution Shares Value Share of reported
1 SILVERBACK ASSET MANAGEMENT LLC 15,500,000 $16.3M 58.4%
2 Polar Asset Management Partners Inc. 10,000,000 $10.5M 37.7%
3 Jefferies Financial Group Inc. (JEF) 1,048,000 $1.1M 4.0%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among COLLEGIUM PHARMACEUTICAL INC's reported holders for Q4 2024, by reported value:

Sole discretion (SOLE)
96.0%
Shared-defined discretion (DFND)
4.0%

Latest Quarter Activity · Q4 2024

New positions (3)

SILVERBACK ASSET MANAGEMENT LLC $16.3M
Polar Asset Management Partners Inc. $10.5M
Jefferies Financial Group Inc. (JEF) $1.1M

Frequently Asked Questions

How many institutions hold COLLEGIUM PHARMACEUTICAL INC?▼
COLLEGIUM PHARMACEUTICAL INC is held by 3 institutional investors per the latest SEC Form 13F filings as of Q4 2024.
What is the total institutional value of COLLEGIUM PHARMACEUTICAL INC?▼
Institutions report $27.9M of COLLEGIUM PHARMACEUTICAL INC as of Q4 2024.
How concentrated is ownership of COLLEGIUM PHARMACEUTICAL INC?▼
The top five institutional holders account for 100% of the reported institutional value in COLLEGIUM PHARMACEUTICAL INC, making ownership heavily concentrated in a handful of holders.
Who is the largest institutional holder of COLLEGIUM PHARMACEUTICAL INC?▼
SILVERBACK ASSET MANAGEMENT LLC is the largest reported holder of COLLEGIUM PHARMACEUTICAL INC with $16.3M across 15,500,000 shares as of Q4 2024.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2024 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.