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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Cerus Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William Mariner GreenmanPresident and CEO2026-06-30101,919$2.94
$299.95kSell
Chrystal JensenChief Legal Officer2026-06-3024,329$2.94
$71.60kSell
Vivek K. JayaramanChief Operating Officer2026-06-3042,359$2.94
$124.66kSell
Kevin Dennis GreenChief Financial Officer2026-06-3033,676$2.94
$99.11kSell
Eric BjerkholtDirector2026-06-0920,454$2.60
$53.18kSell
Vivek K. JayaramanChief Operating Officer2026-05-2916,667$3.00
$50.00kSell
Vivek K. JayaramanChief Operating Officer2026-05-0116,667$3.00
$50.00kSell
Kevin Dennis GreenChief Financial Officer2026-03-12127,544$1.66
$211.34kSell
Richard J. BenjaminChief Medical Officer2026-03-12101,740$1.66
$168.58kSell
William Mariner GreenmanPresident and CEO2026-03-12447,757$1.66
$741.93kSell

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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 Inc10.77%21,575,419$69.47MInstitution
Ark Investment Management LLC9.56%19,161,148$61.70MInstitution
Soleus Capital Management LP5.37%10,753,700$34.63MInstitution
Baker Bros Advisors LP4.99%10,008,345$32.23MInstitution
Vanguard Capital Management LLC4.06%8,131,778$26.18MInstitution
Wasatch Advisors LP2.64%5,281,136$17.01MInstitution
William Mariner Greenman2.52%5,053,036$16.27MInsider
Geode Capital Management LLC2.31%4,637,440$14.93MInstitution
Amova Asset Management Americas Inc2.25%4,516,606$14.54MInstitution
Sumitomo Mitsui Trust Group Inc2.25%4,516,606$14.54MInstitution

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CERS vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CERS75.66%8.22%Net SellingNet Selling
BWAY29.91%25.47%
TCMD76.33%23.67%Net SellingNet Selling
NPCE48.30%51.70%Net SellingNet Buying
CTKB65.87%21.42%Net SellingNet Selling
View Top Medical Device Stocks

Cerus Stock Ownership FAQ

Who owns Cerus?

Cerus (NASDAQ: CERS) is owned by 75.66% institutional shareholders, 8.22% Cerus insiders, and 16.13% retail investors. William Mariner Greenman is the largest individual Cerus shareholder, owning 5.05M shares representing 2.52% of the company. William Mariner Greenman's Cerus shares are currently valued at $15.87M.

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