NASDAQ: COLL
Collegium Pharmaceutical Inc Stock Ownership - Who owns Collegium Pharmaceutical?

Insider buying vs selling

Have Collegium Pharmaceutical Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Scott DreyerEVP Chief Commercial Officer2025-12-0817,600$15.90
$279.84kBuy
Scott DreyerEVP Chief Commercial Officer2025-12-086,475$48.66
$315.09kSell
Scott DreyerEVP Chief Commercial Officer2025-12-0811,125$47.89
$532.77kSell
Rita J. BalicegordonDirector2025-12-053,650$47.03
$171.67kSell
Vikram KarnaniPresident and CEO2025-11-128,983$47.35
$425.35kSell
John A. FallonDirector2025-11-1234,853$47.21
$1.65MSell
John A. FallonDirector2025-11-1219,853$9.33
$185.23kBuy
John A. FallonDirector2025-11-1215,000$16.49
$247.35kBuy
Colleen TupperEVP Chief Financial Officer2025-11-0625,142$40.38
$1.02MSell
Colleen TupperEVP Chief Financial Officer2025-11-064,858$41.28
$200.52kSell

1 of 5

COLL insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when COLL insiders and whales buy or sell their stock.

COLL Shareholders

What type of owners hold Collegium Pharmaceutical Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
David Hirsch20.37%6,438,798$314.73MInsider
Rubric Capital Management LP19.90%6,290,486$307.48MInsider
Longitude Capital Partners LLC17.85%5,643,684$275.86MInsider
Blackrock Inc16.38%5,178,044$253.10MInstitution
Skyline Venture Partners V LP16.13%5,099,832$249.28MInsider
Rubric Capital Management LP8.94%2,826,498$138.16MInstitution
Eventide Asset Management LLC7.56%2,390,912$116.87MInstitution
Vanguard Group Inc7.04%2,226,378$108.83MInstitution
Yasunori Kaneko6.80%2,150,186$105.10MInsider
Patrick J. Heron5.97%1,887,332$92.25MInsider

1 of 3

COLL vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
COLL51.95%48.05%Net SellingNet Selling
ALVO5.08%0.00%
PAHC43.60%56.40%Net SellingNet Selling
HROW28.79%71.21%Net SellingNet Buying
DVAX63.30%36.70%Net Selling

Collegium Pharmaceutical Stock Ownership FAQ

Who owns Collegium Pharmaceutical?

Collegium Pharmaceutical (NASDAQ: COLL) is owned by 116.93% institutional shareholders, 108.16% Collegium Pharmaceutical insiders, and 0.00% retail investors. David Hirsch is the largest individual Collegium Pharmaceutical shareholder, owning 6.44M shares representing 20.37% of the company. David Hirsch's Collegium Pharmaceutical shares are currently valued at $314.73M.

If you're new to stock investing, here's how to buy Collegium Pharmaceutical stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.