Wellington Management Group’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	–	Sell	-764,279	Closed	-$3.86M	–	1902
2025 Q4	$3.86M	Sell	764,279 -1,776,767	-70%	-$8.25M	﹤0.01%	1460
2025 Q3	$8.82M	Buy	+2,541,046	New	+$9.54M	﹤0.01%	1295
2025 Q1	–	Sell	-1,517,214	Closed	-$9.85M	–	1964
2024 Q4	$9.85M	Sell	1,517,214 -489,925	-24%	-$2.92M	﹤0.01%	1198
2024 Q3	$11.1M	Sell	2,007,139 -128,568	-6%	-$729K	﹤0.01%	1141
2024 Q2	$11.9M	Buy	2,135,707 +780,737	+58%	+$4.69M	﹤0.01%	1116
2024 Q1	$9.09M	Buy	1,354,970 +63,712	+5%	+$504K	﹤0.01%	1166
2023 Q4	$11.8M	Sell	1,291,258 -154,280	-11%	-$971K	﹤0.01%	1066
2023 Q3	$7.98M	Buy	1,445,538 +99,170	+7%	+$795K	﹤0.01%	1160
2023 Q2	$11.5M	Buy	1,346,368 +111,162	+9%	+$997K	﹤0.01%	1072
2023 Q1	$11.4M	Buy	+1,235,206	New	+$13.3M	﹤0.01%	1068
2022 Q4	–	Sell	-31,981	Closed	-$471K	–	2015
2022 Q3	$471K	Buy	+31,981	New	+$415K	﹤0.01%	1814
2022 Q2	–	Sell	-41,617	Closed	-$449K	–	2094
2022 Q1	$449K	Buy	+41,617	New	+$562K	﹤0.01%	1943