Historical shareholding details of Renaissance Technologies Corp holdings in Mersana Therapeutics Inc (MRSN)

Monthly changes of Renaissance Technologies Corp shareholding in Mersana Therapeutics Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Renaissance Technologies Corp	839,919	0.67%

Dec 31, 2024	Renaissance Technologies Corp	606,285	0.49%

Sep 30, 2024	Renaissance Technologies Corp	492,719	0.40%

Jun 30, 2024	Renaissance Technologies Corp	1,448,219	1.18%

Mar 31, 2024	Renaissance Technologies Corp	1,427,819	1.16%

Dec 31, 2023	Renaissance Technologies Corp	865,731	0.71%

Sep 30, 2023	Renaissance Technologies Corp	925,919	0.77%

Jun 30, 2023	Renaissance Technologies Corp	1,047,919	0.87%

Mar 31, 2023	Renaissance Technologies Corp	1,250,519	1.04%