Institutional shares held 139 Million
100K calls
16K puts
Total value of holdings $180M
$129K calls
$20K puts
Market Cap $228M
177,090,000 Shares Out.
Institutional ownership 78.59%
# of Institutions 165


Latest Institutional Activity in CERS

Top Purchases

Q2 2025
Aqr Capital Management LLC Shares Held: 2.2M ($2.84M)
Q2 2025
Acadian Asset Management LLC Shares Held: 2.63M ($3.4M)
Q2 2025
Goldman Sachs Group Inc Shares Held: 2.11M ($2.72M)
Q2 2025
Qube Research & Technologies LTD Shares Held: 750K ($967K)
Q2 2025
Iq Eq Fund Management (Ireland) LTD Shares Held: 368K ($474K)

Top Sells

Q2 2025
Baker Bros. Advisors LP Shares Held: 12.9M ($16.6M)
Q2 2025
Bank Of America Corp Shares Held: 1.29M ($1.66M)
Q2 2025
Ark Investment Management LLC Shares Held: 19.2M ($24.8M)
Q2 2025
Gsa Capital Partners LLP Shares Held: 526K ($679K)
Q2 2025
Renaissance Technologies LLC Shares Held: 766K ($987K)

About CERS

Cerus Corporation operates as a biomedical products company. The company focuses on developing and commercializing the INTERCEPT Blood System to enhance blood safety. Its INTERCEPT Blood System, a proprietary technology for controlling biological replication that is designed to reduce blood-borne pathogens in donated blood components intended for transfusion. The company offers INTERCEPT Blood Systems for platelets and plasma, which is designed to inactivate blood-borne pathogens in platelets and plasma donated for transfusion; INTERCEPT Blood System for red blood cells to inactivate blood-borne pathogens in red blood cells donated for transfusion; and INTERCEPT Blood System for Cryoprecipitation that uses its plasma system to produce pathogen reduced cryoprecipitated fibrinogen complex for the treatment and control of bleeding, including massive hemorrhage associated with fibrinogen deficiency, as well as pathogen reduced plasma, cryoprecipitate reduced. It sells platelet and plasma systems through its direct sales force and distributors in the United States, Europe, the Commonwealth of Independent States, the Middle East, Latin America, and internationally. The company was incorporated in 1991 and is headquartered in Concord, California.


Insider Transactions at CERS

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
3.62M Shares
From 18 Insiders
Grant, award, or other acquisition 3.49M shares
Exercise of conversion of derivative security 128K shares
Open market or private purchase 1.73K shares
Sell / Disposition
970K Shares
From 6 Insiders
Open market or private sale 970K shares

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