CIBC Private Wealth Group’s Cytek Biosciences CTKB Stock Holding History

CIBC Private Wealth Group’s Portfolio CTKB Stock Details CTKB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	$131	Buy	+26	New	+$121	﹤0.01%	3280
2025 Q3	–	Sell	-154	Closed	-$524	–	3140
2025 Q2	$524	Hold	154	–	–	﹤0.01%	2832
2025 Q1	$519	Hold	154	–	–	﹤0.01%	2888
2024 Q4	$1.05K	Hold	154	–	–	﹤0.01%	2793
2024 Q3	$853	Hold	154	–	–	﹤0.01%	2926
2024 Q2	$898	Hold	154	–	–	﹤0.01%	2915
2024 Q1	$1.03K	Buy	+154	New	+$1.22K	﹤0.01%	2855

Other funds holding CTKB

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

TCM

Topline Capital Management Santa Monica, California $605M AUM 26.24% 1-Year Est. Return

HHLR Advisors Grand Cayman, Cayman Islands $1.67B AUM 7.53% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

BCM

Brown Capital Management Baltimore, Maryland $704M AUM 6.25% 1-Year Est. Return

CIBC Private Wealth Group's CTKB Position: Q4 2025 in Review

CIBC Private Wealth Group opened a new position in Cytek Biosciences (CTKB) in Q4 2025: 26 shares worth $131. The stake represents ﹤0.01% of the portfolio and ranks #3280 among its holdings. This is a return to the name: CIBC Private Wealth Group previously reported a position in CTKB as recently as Q2 2025.

CIBC Private Wealth Group first reported a position in CTKB in Q1 2024 and has held it in 7 quarters since. The position peaked at $1.05K in Q4 2024. 155 funds tracked by Wall St. Rank hold CTKB as of Q4 2025.

CIBC Private Wealth Group held 26 shares of Cytek Biosciences worth $131 as of Q4 2025.
Cytek Biosciences was a new CIBC Private Wealth Group position in Q4 2025.
Cytek Biosciences made up ﹤0.01% of CIBC Private Wealth Group's portfolio in Q4 2025, its #3280 holding.
CIBC Private Wealth Group first reported a position in Cytek Biosciences in Q1 2024 and has held it in 7 quarters since.
CIBC Private Wealth Group's Cytek Biosciences position peaked at $1.05K in Q4 2024.
155 funds tracked by Wall St. Rank held Cytek Biosciences as of Q4 2025.

Based on CIBC Private Wealth Group's 13F filing for Q4 2025, filed 12 Feb 2026.