Qube Research & Technologies (QRT)’s Mersana Therapeutics MRSN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-6,115	Closed	-$45.3K	–	3884
2025 Q2	$45.3K	Sell	6,115 -40,869	-87%	-$359K	﹤0.01%	3164
2025 Q1	$404K	Buy	46,984 +33,087	+238%	+$511K	﹤0.01%	2624
2024 Q4	$497K	Sell	13,897 -21,185	-60%	-$1.1M	﹤0.01%	2479
2024 Q3	$1.66M	Sell	35,082 -4,621	-12%	-$204K	﹤0.01%	1827
2024 Q2	$2M	Buy	39,703 +1,315	+3%	+$95.1K	﹤0.01%	1626
2024 Q1	$4.3M	Buy	+38,388	New	+$3.82M	0.01%	1325
2023 Q3	–	Sell	-8,164	Closed	-$672K	–	4253
2023 Q2	$672K	Sell	8,164 -1,908	-19%	-$279K	﹤0.01%	1438
2023 Q1	$1.03M	Buy	10,072 +6,617	+192%	+$929K	0.01%	1278
2022 Q4	$506K	Buy	3,455 +1,251	+57%	+$211K	﹤0.01%	1469
2022 Q3	$372K	Buy	2,204 +1,279	+138%	+$208K	﹤0.01%	1562
2022 Q2	$107K	Sell	925 -11,053	-92%	-$1.04M	﹤0.01%	1928
2022 Q1	$1.2M	Buy	11,978 +9,668	+419%	+$1.13M	0.01%	1075
2021 Q4	$359K	Buy	+2,310	New	+$449K	﹤0.01%	1713
2021 Q3	–	Sell	-2,507	Closed	-$851K	–	2571
2021 Q2	$851K	Buy	+2,507	New	+$949K	0.01%	1015