NASDAQ: CERS
Cerus Corp Stock Ownership - Who owns Cerus?

Insider buying vs selling

Have Cerus Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William Mariner GreenmanPresident and CEO2026-03-12447,757$1.66
$741.93kSell
Kevin Dennis GreenChief Financial Officer2026-03-12127,544$1.66
$211.34kSell
Richard J. BenjaminChief Medical Officer2026-03-12101,740$1.66
$168.58kSell
Vivek K. JayaramanChief Operating Officer2026-03-12165,200$1.66
$273.74kSell
Richard J. BenjaminChief Medical Officer2026-03-0940,426$1.88
$76.04kSell
Richard J. BenjaminChief Medical Officer2026-03-0940,426$1.88
$76.04kSell
Richard J. BenjaminChief Medical Officer2026-03-0940,426$1.88
$76.04kSell
Richard J. BenjaminChief Medical Officer2026-03-0624,235$2.01
$48.62kSell
William Mariner GreenmanPresident and CEO2026-03-0678,187$2.01
$156.84kSell
Vivek K. JayaramanChief Operating Officer2026-03-0634,094$2.01
$68.39kSell

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Net Insider Buy/Sell (L12M) Ownership

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CERS Shareholders

What type of owners hold Cerus Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc11.41%21,918,903$40.55MInstitution
Ark Investment Management LLC9.47%18,200,204$33.67MInstitution
Vanguard Group Inc5.81%11,163,121$20.65MInstitution
Baker Bros Advisors LP5.21%10,008,345$18.52MInstitution
Wasatch Advisors LP2.84%5,462,616$10.11MInstitution
William Mariner Greenman2.60%4,998,493$9.25MInsider
Sumitomo Mitsui Trust Group Inc2.45%4,709,959$8.71MInstitution
Amova Asset Management Americas Inc2.45%4,709,959$8.71MInstitution
Silvercrest Asset Management Group LLC2.44%4,685,837$8.67MInstitution
Geode Capital Management LLC2.34%4,489,737$8.31MInstitution

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CERS vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CERS76.23%8.29%Net SellingNet Selling
VMD61.73%13.83%Net SellingNet Selling
DCTH41.28%58.72%Net BuyingNet Buying
CV1.54%17.58%Net Buying
KIDS42.33%57.67%Net SellingNet Selling

Cerus Stock Ownership FAQ

Who owns Cerus?

Cerus (NASDAQ: CERS) is owned by 76.23% institutional shareholders, 8.29% Cerus insiders, and 15.48% retail investors. William Mariner Greenman is the largest individual Cerus shareholder, owning 5.00M shares representing 2.60% of the company. William Mariner Greenman's Cerus shares are currently valued at $9.20M.

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