Comerica Bank’s Cytek Biosciences CTKB Stock Holding History

Comerica Bank’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	$121K	Sell	23,997 -2,795	-10%	-$13K	﹤0.01%	2549
2025 Q3	$93K	Sell	26,792 -3,621	-12%	-$13.6K	﹤0.01%	2652
2025 Q2	$103K	Buy	30,413 +472	+2%	+$1.57K	﹤0.01%	2586
2025 Q1	$120K	Sell	29,941 -498	-2%	-$2.58K	﹤0.01%	2504
2024 Q4	$198K	Buy	30,439 +429	+1%	+$2.56K	﹤0.01%	2317
2024 Q3	$166K	Buy	30,010 +155	+0.5%	+$879	﹤0.01%	2366
2024 Q2	$167K	Sell	29,855 -11,064	-27%	-$66.5K	﹤0.01%	2336
2024 Q1	$275K	Sell	40,919 -4,264	-9%	-$33.7K	﹤0.01%	2159
2023 Q4	$412K	Sell	45,183 -341	-0.7%	-$2.15K	﹤0.01%	1950
2023 Q3	$251K	Buy	+45,524	New	+$365K	﹤0.01%	2116

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 $500M AUM 25.3% 1-Year Est. Return

Comerica Bank's CTKB Position: Q4 2025 in Review

Comerica Bank reduced its Cytek Biosciences (CTKB) stake by 10% in Q4 2025, selling an estimated $13K and leaving 23,997 shares worth $121K. The position accounts for ﹤0.01% of the portfolio, ranked #2549.

Comerica Bank first reported a position in CTKB in Q3 2023 and has held it in 10 quarters since. The position peaked at $412K in Q4 2023. 155 funds tracked by Wall St. Rank hold CTKB as of Q4 2025.

Comerica Bank held 23,997 shares of Cytek Biosciences worth $121K as of Q4 2025.
Comerica Bank sold 2,795 Cytek Biosciences shares in Q4 2025, an estimated $13K.
Cytek Biosciences made up ﹤0.01% of Comerica Bank's portfolio in Q4 2025, its #2549 holding.
Comerica Bank first reported a position in Cytek Biosciences in Q3 2023 and has held it in 10 quarters since.
Comerica Bank's Cytek Biosciences position peaked at $412K in Q4 2023.
155 funds tracked by Wall St. Rank held Cytek Biosciences as of Q4 2025.

Based on Comerica Bank's 13F filing for Q4 2025, filed 29 Jan 2026.