CERUS CORP

Ticker: CERS CUSIP: 157085101 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,666,928 Value ($000) $3,434 Avg Close $1.73 Range $1.38 - $2.26

Q3 2025

Shares 1,766,233 Value ($000) $2,808 Avg Close $1.35 Range $1.15 - $1.67

Q2 2025

Shares 1,556,134 Value ($000) $2,194 Avg Close $1.33 Range $1.12 - $1.58

Q1 2025

Shares 1,774,137 Value ($000) $2,466 Avg Close $1.67 Range $1.35 - $2.24

Q4 2024

Shares 1,666,366 Value ($000) $2,566 Avg Close $1.72 Range $1.38 - $2.03

Q3 2024

Shares 1,754,540 Value ($000) $3,053 Avg Close $2.10 Range $1.65 - $2.54

Q2 2024

Shares 1,745,833 Value ($000) $3,073 Avg Close $1.79 Range $1.61 - $2.26

Q1 2024

Shares 1,706,492 Value ($000) $3,225 Avg Close $2.04 Range $1.59 - $2.59

Q4 2023

Shares 1,656,656 Value ($000) $3,578 Avg Close $1.65 Range $1.21 - $2.40

Q3 2023

Shares 1,681,966 Value ($000) $2,725 Avg Close $2.08 Range $1.45 - $3.08

Q2 2023

Shares 1,609,272 Value ($000) $3,959 Avg Close $2.38 Range $1.76 - $2.96

Q1 2023

Shares 1,571,099 Value ($000) $4,666 Avg Close $3.01 Range $2.36 - $4.05

Q4 2022

Shares 1,580,602 Value ($000) $5,769 Avg Close $3.77 Range $3.25 - $4.25

Q3 2022

Shares 1,552,841 Value ($000) $5,591 Avg Close $4.78 Range $3.39 - $5.95

Q2 2022

Shares 1,438,000 Value ($000) $7,608 Avg Close $4.99 Range $4.35 - $5.74

Q1 2022

Shares 1,242,993 Value ($000) $6,825 Avg Close $5.54 Range $4.67 - $7.01

Q4 2021

Shares 1,211,588 Value ($000) $8,251 Avg Close $6.73 Range $5.90 - $8.06

Q3 2021

Shares 1,186,599 Value ($000) $7,227 Avg Close $5.83 Range $4.67 - $6.70

Q2 2021

Shares 1,291,993 Value ($000) $7,636 Avg Close $5.86 Range $5.25 - $6.49

Q1 2021

Shares 1,246,635 Value ($000) $7,493 Avg Close $6.80 Range $5.46 - $8.41

Q4 2020

Shares 1,091,312 Value ($000) $7,552 Avg Close $6.56 Range $5.15 - $8.87

Q3 2020

Shares 1,072,072 Value ($000) $6,712 Avg Close $6.64 Range $5.59 - $7.94

Q2 2020

Shares 1,095,854 Value ($000) $7,233 Avg Close $5.73 Range $4.36 - $7.17

Q1 2020

Shares 1,001,698 Value ($000) $4,658 Avg Close $4.53 Range $2.71 - $5.68

Q4 2019

Shares 859,531 Value ($000) $3,628 Avg Close $4.31 Range $3.70 - $5.18

Q3 2019

Shares 837,744 Value ($000) $4,319 Avg Close $5.36 Range $4.78 - $6.15

Q2 2019

Shares 801,507 Value ($000) $4,505 Avg Close $5.53 Range $4.49 - $6.64

Q1 2019

Shares 777,839 Value ($000) $4,846 Avg Close $6.07 Range $4.93 - $6.88

Q4 2018

Shares 737,325 Value ($000) $3,739 Avg Close $5.80 Range $4.71 - $7.27

Q3 2018

Shares 733,217 Value ($000) $5,287 Avg Close $7.27 Range $6.58 - $8.05

Q2 2018

Shares 678,414 Value ($000) $4,526 Avg Close $6.13 Range $5.11 - $7.31

Q1 2018

Shares 627,912 Value ($000) $3,441 Avg Close $4.55 Range $3.38 - $5.85

Q4 2017

Shares 491,909 Value ($000) $1,663 Avg Close $3.39 Range $2.74 - $4.02

Q3 2017

Shares 401,735 Value ($000) $1,097 Avg Close $2.45 Range $2.10 - $2.82

Q2 2017

Shares 378,982 Value ($000) $952 Avg Close $3.20 Range $1.93 - $4.70

Q1 2017

Shares 439,172 Value ($000) $1,955 Avg Close $4.24 Range $3.79 - $4.69

Q4 2016

Shares 413,642 Value ($000) $1,800 Avg Close $5.20 Range $4.17 - $6.34

Q3 2016

Shares 389,962 Value ($000) $2,422 Avg Close $6.55 Range $5.79 - $7.64

Q2 2016

Shares 160,500 Value ($000) $1,002 Avg Close $5.95 Range $4.90 - $6.89

Q1 2016

Shares 139,800 Value ($000) $830 Avg Close $5.54 Range $4.81 - $6.66

Q4 2015

Shares 137,100 Value ($000) $867 Avg Close $5.32 Range $4.27 - $6.60

Q3 2015

Shares 137,100 Value ($000) $623 Avg Close $5.18 Range $4.29 - $5.87

Q2 2015

Shares 137,100 Value ($000) $712 Avg Close $4.74 Range $3.82 - $5.70

Q1 2015

Shares 137,100 Value ($000) $572 Avg Close $5.12 Range $3.95 - $7.03

Q4 2014

Shares 109,800 Value ($000) $686 Avg Close $4.54 Range $3.60 - $6.93

Q3 2014

Shares 109,800 Value ($000) $441 Avg Close $3.85 Range $3.48 - $4.36

Q2 2014

Shares 109,800 Value ($000) $456 Avg Close $4.28 Range $3.74 - $5.19

Q1 2014

Shares 109,800 Value ($000) $528 Avg Close $6.43 Range $4.76 - $8.00

Q4 2013

Shares 109,800 Value ($000) $709 Avg Close $6.28 Range $5.61 - $7.13

Q3 2013

Shares 92,600 Value ($000) $631 Avg Close $5.43 Range $4.34 - $6.77

Q2 2013

Shares 92,600 Value ($000) $414 Avg Close $4.84 Range $4.16 - $5.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,666,928	$3,434	$1.73	$1.38 - $2.26
Q3 2025	1,766,233	$2,808	$1.35	$1.15 - $1.67
Q2 2025	1,556,134	$2,194	$1.33	$1.12 - $1.58
Q1 2025	1,774,137	$2,466	$1.67	$1.35 - $2.24
Q4 2024	1,666,366	$2,566	$1.72	$1.38 - $2.03
Q3 2024	1,754,540	$3,053	$2.10	$1.65 - $2.54
Q2 2024	1,745,833	$3,073	$1.79	$1.61 - $2.26
Q1 2024	1,706,492	$3,225	$2.04	$1.59 - $2.59
Q4 2023	1,656,656	$3,578	$1.65	$1.21 - $2.40
Q3 2023	1,681,966	$2,725	$2.08	$1.45 - $3.08
Q2 2023	1,609,272	$3,959	$2.38	$1.76 - $2.96
Q1 2023	1,571,099	$4,666	$3.01	$2.36 - $4.05
Q4 2022	1,580,602	$5,769	$3.77	$3.25 - $4.25
Q3 2022	1,552,841	$5,591	$4.78	$3.39 - $5.95
Q2 2022	1,438,000	$7,608	$4.99	$4.35 - $5.74
Q1 2022	1,242,993	$6,825	$5.54	$4.67 - $7.01
Q4 2021	1,211,588	$8,251	$6.73	$5.90 - $8.06
Q3 2021	1,186,599	$7,227	$5.83	$4.67 - $6.70
Q2 2021	1,291,993	$7,636	$5.86	$5.25 - $6.49
Q1 2021	1,246,635	$7,493	$6.80	$5.46 - $8.41
Q4 2020	1,091,312	$7,552	$6.56	$5.15 - $8.87
Q3 2020	1,072,072	$6,712	$6.64	$5.59 - $7.94
Q2 2020	1,095,854	$7,233	$5.73	$4.36 - $7.17
Q1 2020	1,001,698	$4,658	$4.53	$2.71 - $5.68
Q4 2019	859,531	$3,628	$4.31	$3.70 - $5.18
Q3 2019	837,744	$4,319	$5.36	$4.78 - $6.15
Q2 2019	801,507	$4,505	$5.53	$4.49 - $6.64
Q1 2019	777,839	$4,846	$6.07	$4.93 - $6.88
Q4 2018	737,325	$3,739	$5.80	$4.71 - $7.27
Q3 2018	733,217	$5,287	$7.27	$6.58 - $8.05
Q2 2018	678,414	$4,526	$6.13	$5.11 - $7.31
Q1 2018	627,912	$3,441	$4.55	$3.38 - $5.85
Q4 2017	491,909	$1,663	$3.39	$2.74 - $4.02
Q3 2017	401,735	$1,097	$2.45	$2.10 - $2.82
Q2 2017	378,982	$952	$3.20	$1.93 - $4.70
Q1 2017	439,172	$1,955	$4.24	$3.79 - $4.69
Q4 2016	413,642	$1,800	$5.20	$4.17 - $6.34
Q3 2016	389,962	$2,422	$6.55	$5.79 - $7.64
Q2 2016	160,500	$1,002	$5.95	$4.90 - $6.89
Q1 2016	139,800	$830	$5.54	$4.81 - $6.66
Q4 2015	137,100	$867	$5.32	$4.27 - $6.60
Q3 2015	137,100	$623	$5.18	$4.29 - $5.87
Q2 2015	137,100	$712	$4.74	$3.82 - $5.70
Q1 2015	137,100	$572	$5.12	$3.95 - $7.03
Q4 2014	109,800	$686	$4.54	$3.60 - $6.93
Q3 2014	109,800	$441	$3.85	$3.48 - $4.36
Q2 2014	109,800	$456	$4.28	$3.74 - $5.19
Q1 2014	109,800	$528	$6.43	$4.76 - $8.00
Q4 2013	109,800	$709	$6.28	$5.61 - $7.13
Q3 2013	92,600	$631	$5.43	$4.34 - $6.77
Q2 2013	92,600	$414	$4.84	$4.16 - $5.58