| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| ARK Investment Management · Cathie Wood | $52.4M | 0.34% | 17.93M | −6.4% | Q2 2026 |
| Renaissance Technologies | $2.0M | 0.00% | 671.70K | +16% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a CERS trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Aug 16, 2026 | Jensen Chrystal MenardOfficer | Sale at price 2.98 per share. | 30K | $89.53K |
| Jul 15, 2026 | Jayaraman Vivek K.Chief Executive Officer | Sale at price 3.16 per share. | 16.7K | $52.66K |
| Jun 30, 2026 | Jayaraman Vivek K.Chief Operating Officer | Stock Award(Grant) at price 0.00 per share. | 634.5K | — |
| Jun 29, 2026 | Green Kevin DennisChief Financial Officer | Sale at price 2.94 per share. | 33.7K | $99.11K |
| Jun 29, 2026 | Jensen Chrystal MenardOfficer | Sale at price 2.94 per share. | 24.3K | $71.60K |
| Jun 29, 2026 | Jayaraman Vivek K.Chief Operating Officer | Sale at price 2.94 per share. | 42.4K | $124.66K |
| Jun 29, 2026 | Greenman William MarinerChief Executive Officer | Sale at price 2.94 per share. | 101.9K | $299.94K |
| Jun 29, 2026 | Green Kevin DennisChief Financial Officer | Stock Award(Grant) at price 0.00 per share. | 63.6K | — |
| Jun 8, 2026 | Bjerkholt Eric HDirector | Sale at price 2.60 per share. | 20.5K | $53.18K |
| Jun 1, 2026 | Bjerkholt Eric HDirector | Stock Award(Grant) at price 0.00 per share. | 60K | — |
| Jun 1, 2026 | Lucena AnnDirector | Stock Award(Grant) at price 0.00 per share. | 60K | — |
| Jun 1, 2026 | Shan HuaDirector | Stock Award(Grant) at price 0.00 per share. | 60K | — |
| Jun 1, 2026 | Gregory Dean A.Director | Stock Award(Grant) at price 0.00 per share. | 60K | — |
| Jun 1, 2026 | Witney Franklin R. Ph.D.Director | Stock Award(Grant) at price 0.00 per share. | 60K | — |
| Jun 1, 2026 | Nachtsheim Jami Dover KDirector | Stock Award(Grant) at price 0.00 per share. | 60K | — |
| May 28, 2026 | Jayaraman Vivek K.Chief Operating Officer | Sale at price 3.00 per share. | 16.7K | $50.00K |
| Apr 30, 2026 | Jayaraman Vivek K.Chief Operating Officer | Sale at price 3.00 per share. | 16.7K | $50.00K |
| Mar 31, 2026 | Green Kevin DennisChief Financial Officer | Stock Award(Grant) at price 0.00 per share. | 200K | — |
| Mar 31, 2026 | Jensen Chrystal MenardOfficer | Stock Award(Grant) at price 0.00 per share. | 200K | — |
| Mar 11, 2026 | Green Kevin DennisChief Financial Officer | Sale at price 1.66 per share. | 127.5K | $211.37K |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 13.1 | 9.9 | -28.9 | 11.5 | 49.8 | -3.9 | -26.4 | 22.8 | -9.8 | -5.0 | +9.7% | ||
| 2025 | 21.4 | -11.8 | -15.8 | -5.0 | -3.8 | 11.0 | -9.2 | 2.3 | 21.4 | -7.5 | 19.7 | 17.0 | +33.8% |
| 2024 | -16.2 | 20.4 | -13.3 | -11.6 | 7.2 | -1.7 | 28.4 | 0.0 | -23.0 | -9.8 | 17.8 | -16.8 | −28.7% |
| 2023 | -14.0 | -8.9 | 3.8 | -22.2 | -7.4 | 15.0 | 24.8 | -38.4 | -14.3 | -13.6 | 15.0 | 34.2 | −40.8% |
| 2022 | -21.3 | 9.5 | -6.5 | -15.8 | 7.1 | 6.9 | 2.1 | -23.9 | -12.4 | 1.7 | 9.3 | -8.7 | −46.4% |
| 2021 | -4.8 | -6.8 | -2.1 | 1.5 | -5.1 | 2.1 | -14.7 | 28.0 | -5.6 | 8.4 | 4.4 | -1.2 | −1.6% |
| 2020 | -5.0 | 28.2 | -9.5 | 32.3 | 1.1 | 6.1 | 8.0 | -10.7 | -1.7 | -16.1 | 26.7 | 4.1 | +64.0% |
| 2019 | 17.6 | 9.2 | -4.3 | -1.6 | -23.5 | 19.8 | 4.1 | -8.2 | -3.9 | -15.7 | -0.2 | -2.8 | −16.8% |
| 2018 | 31.1 | -3.4 | 28.0 | -5.1 | 26.7 | 1.2 | 11.1 | 5.0 | -7.3 | -7.1 | -21.6 | -3.4 | +50.0% |
| 2017 | -2.1 | -1.6 | 6.2 | -2.2 | -47.4 | 9.6 | -10.0 | 4.0 | 16.2 | 5.1 | 37.6 | -14.4 | −22.3% |
| 2016 | -14.1 | -9.8 | 21.0 | 5.6 | -11.2 | 12.2 | 18.4 | -14.3 | -1.9 | -22.4 | 8.3 | -16.7 | −31.2% |
| 2015 | -14.4 | -10.5 | -12.8 | 6.5 | 12.2 | 4.2 | 4.6 | -8.7 | -8.5 | 5.1 | 18.9 | 11.5 | +1.3% |
| 2014 | -4.3 | 4.7 | -25.7 | -9.8 | -3.2 | -1.0 | -15.2 | 6.8 | 6.6 | 3.7 | 8.9 | 37.7 | −3.3% |
| 2013 | 0.3 | 3.8 | 34.3 | 20.4 | -3.4 | -14.0 | 26.7 | -6.6 | 28.5 | -6.1 | 6.0 | -3.6 | +104.1% |
| 2012 | 1.8 | 31.9 | 6.9 | -2.0 | -14.2 | -1.8 | -9.0 | 5.6 | 6.6 | -8.8 | 4.2 | -2.2 | +12.9% |
| 2011 | 34.1 | 4.2 | -15.4 | 1.7 | 1.4 | 0.0 | -7.7 | -26.0 | 3.4 | 25.9 | 12.0 | -6.4 | +13.8% |
| 2010 | -7.5 | 33.2 | 13.9 | 16.1 | -2.5 | 0.0 | -1.9 | -7.4 | 33.8 | -14.3 | -26.7 | 2.1 | +23.6% |
| 2009 | 34.3 | -21.3 | -8.1 | 72.1 | 6.0 | -16.9 | 62.1 | 26.3 | 3.8 | -23.3 | 8.3 | 9.3 | +184.3% |
| 2008 | -3.2 | -0.8 | -7.7 | 8.0 | -20.7 | -17.2 | 24.0 | -12.0 | -7.4 | -55.7 | -42.6 | -33.3 | −89.2% |
| 2007 | -1.0 | -7.9 | 26.4 | 10.2 | -16.4 | 8.7 | -5.9 | 8.8 | 26.2 | 3.1 | -14.2 | -15.7 | +11.1% |
Buy / hold / sell counts
Cerus Corporation operates as a biomedical products company. The company focuses on developing and commercializing the INTERCEPT Blood System to enhance blood safety. The company offers 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 also offers INTERCEPT Blood Systems for platelets plasma, and cryoprecipitation, 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 intended for transfusion; 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 and cryoprecipitate reduced; and INTERCEPT Illuminator, an LED-based device for blood component treatment. 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 formerly known as CERUS TECHNOLOGIES INC and changed its name to Cerus Corporation in July 1996. The company was incorporated in 1991 and is headquartered in Concord, California.