CYTEK BIOSCIENCES INC

Ticker: CTKB CUSIP: 23285D109 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q3 2025

Shares 134,286 Value ($000) $466 Avg Close $3.75 Range $3.09 - $4.28

Q2 2025

Shares 261,352 Value ($000) $889 Avg Close $3.33 Range $2.37 - $4.10

Q1 2024

Shares 68,591 Value ($000) $460 Avg Close $7.91 Range $6.16 - $9.33

Q2 2022

Shares 54,096 Value ($000) $582 Avg Close $9.95 Range $7.38 - $11.60

Q4 2021

Shares 7,160 Value ($000) $117 Avg Close $20.94 Range $15.91 - $26.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	134,286	$466	$3.75	$3.09 - $4.28
Q2 2025	261,352	$889	$3.33	$2.37 - $4.10
Q1 2024	68,591	$460	$7.91	$6.16 - $9.33
Q2 2022	54,096	$582	$9.95	$7.38 - $11.60
Q4 2021	7,160	$117	$20.94	$15.91 - $26.50