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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Collegium Pharmaceutical Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
John A. FallonDirector2025-11-1219,853$9.33
$185.23kBuy
John A. FallonDirector2025-11-1215,000$16.49
$247.35kBuy
Vikram KarnaniPresident and CEO2025-11-128,983$47.35
$425.35kSell
John A. FallonDirector2025-11-1234,853$47.21
$1.65MSell
Colleen TupperEVP Chief Financial Officer2025-11-064,858$41.28
$200.52kSell
Colleen TupperEVP Chief Financial Officer2025-11-0625,142$40.38
$1.02MSell
Thomas B. SmithEVP and Chief Medical Officer2025-08-2917,478$38.42
$671.57kSell
Scott DreyerEVP Chief Commercial Officer2025-08-1816,389$38.21
$626.17kSell
Scott DreyerEVP Chief Commercial Officer2025-08-1816,389$21.34
$349.74kBuy
Gino SantiniDirector2025-08-1515,000$13.45
$201.75kBuy

1 of 5

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Net Insider Buy/Sell (L12M) Ownership

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COLL Shareholders

What type of owners hold Collegium Pharmaceutical Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
David Hirsch20.37%6,438,798$308.48MInsider
Rubric Capital Management LP19.90%6,290,486$301.38MInsider
Longitude Capital Partners LLC17.85%5,643,684$270.39MInsider
Blackrock Inc16.38%5,178,044$248.08MInstitution
Skyline Venture Partners V LP16.13%5,099,832$244.33MInsider
Rubric Capital Management LP8.94%2,826,498$135.42MInstitution
Eventide Asset Management LLC7.56%2,390,912$114.55MInstitution
Vanguard Group Inc7.04%2,226,378$106.67MInstitution
Yasunori Kaneko6.80%2,150,186$103.02MInsider
Frazier Healthcare VI LP5.97%1,887,332$90.42MInsider

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COLL vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
COLL51.95%48.05%Net SellingNet Selling
PAHC43.59%56.41%Net SellingNet Selling
HROW28.85%71.15%Net Selling
ALVO5.08%0.00%
DVAX63.30%36.70%Net Selling
View Top Pharmaceutical Stocks

Collegium Pharmaceutical Stock Ownership FAQ

Who owns Collegium Pharmaceutical?

Collegium Pharmaceutical (NASDAQ: COLL) is owned by 116.93% institutional shareholders, 108.17% 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 $308.48M.

If you're new to stock investing, here's how to buy Collegium Pharmaceutical stock.
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