Renaissance Technologies’s Cytek Biosciences CTKB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.96M	Buy	676,700 +1,700	+0.3%	+$8.03K	﹤0.01%	1670
2025 Q4	$3.41M	Sell	675,000 -120,544	-15%	-$560K	0.01%	1560
2025 Q3	$2.76M	Sell	795,544 -267,595	-25%	-$1M	﹤0.01%	1863
2025 Q2	$3.61M	Buy	1,063,139 +375,539	+55%	+$1.25M	﹤0.01%	1728
2025 Q1	$2.76M	Buy	687,600 +225,000	+49%	+$1.17M	﹤0.01%	1795
2024 Q4	$3M	Buy	462,600 +251,000	+119%	+$1.5M	﹤0.01%	1772
2024 Q3	$1.17M	Sell	211,600 -22,300	-10%	-$126K	﹤0.01%	2344
2024 Q2	$1.31M	Buy	+233,900	New	+$1.4M	﹤0.01%	2164
2023 Q4	–	Sell	-296,900	Closed	-$1.64M	–	3797
2023 Q3	$1.64M	Buy	+296,900	New	+$2.38M	﹤0.01%	1978
2023 Q2	–	Sell	-353,500	Closed	-$3.25M	–	3980
2023 Q1	$3.25M	Sell	353,500 -38,300	-10%	-$412K	﹤0.01%	1730
2022 Q4	$4M	Buy	391,800 +179,900	+85%	+$2.42M	0.01%	1651
2022 Q3	$3.12M	Buy	211,900 +49,000	+30%	+$636K	﹤0.01%	1736
2022 Q2	$1.75M	Buy	162,900 +108,600	+200%	+$1.08M	﹤0.01%	2291
2022 Q1	$585K	Sell	54,300 -54,700	-50%	-$739K	﹤0.01%	3092
2021 Q4	$1.78M	Buy	+109,000	New	+$2.28M	﹤0.01%	2237