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
Gino SantiniDirector2026-06-088,700$16.49
$143.46kBuy
John Gordon FreundDirector2026-05-1820$34.05
$681.00Sell
John Gordon FreundDirector2026-05-154,127$34.54
$142.55kSell
John Gordon FreundDirector2026-05-158,700$16.49
$143.46kBuy
Nancy LurkerDirector2026-05-134,500$35.97
$161.86kSell
Garen G. BohlinDirector2026-05-118,700$37.18
$323.49kSell
Garen G. BohlinDirector2026-05-118,700$16.49
$143.46kBuy
David DieterEVP General Counsel2026-03-1813,976$34.92
$488.10kSell
David DieterEVP General Counsel2026-03-178,840$35.72
$315.76kSell
David DieterEVP General Counsel2026-03-096,224$36.65
$228.11kSell

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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 Hirsch19.85%6,438,798$215.96MInsider
Rubric Capital Management LP19.39%6,290,486$210.98MInsider
Longitude Capital Partners LLC17.40%5,643,684$189.29MInsider
Blackrock Inc15.83%5,134,027$172.20MInstitution
Skyline Venture Partners V LP15.72%5,099,832$171.05MInsider
Yasunori Kaneko6.63%2,150,186$72.12MInsider
Patrick J. Heron5.82%1,887,332$63.30MInsider
Frazier Healthcare VI LP5.82%1,887,332$63.30MInsider
Janus Henderson Group PLC5.63%1,825,651$61.23MInstitution
Invesco Ltd4.91%1,591,909$53.39MInstitution

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COLL vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
COLL52.48%47.52%Net SellingNet Buying
CRON13.06%50.58%Net SellingNet Selling
ALVO5.45%0.00%
BIOA77.14%22.26%Net SellingNet Buying
EVO4.59%0.00%

Collegium Pharmaceutical Stock Ownership FAQ

Who owns Collegium Pharmaceutical?

Collegium Pharmaceutical (NASDAQ: COLL) is owned by 117.07% institutional shareholders, 106.02% Collegium Pharmaceutical insiders, and 0.00% retail investors. David Hirsch is the largest individual Collegium Pharmaceutical shareholder, owning 6.44M shares representing 19.85% of the company. David Hirsch's Collegium Pharmaceutical shares are currently valued at $215.96M.

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