Historical shareholding details of Nuveen Asset Management, LLC holdings in Mersana Therapeutics Inc (MRSN)

Monthly changes of Nuveen Asset Management, LLC 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
Dec 31, 2024	Nuveen Asset Management, Llc	232,223	0.19%

Sep 30, 2024	Nuveen Asset Management, Llc	151,201	0.12%

Jun 30, 2024	Nuveen Asset Management, Llc	123,339	0.10%

Mar 31, 2024	Nuveen Asset Management, Llc	123,339	0.10%
Mar 31, 2024	Nuveen Asset Management, Llc	0	0.00%

Feb 29, 2024	Nuveen Asset Management, Llc	0	0.00%

Jan 31, 2024	Nuveen Asset Management, Llc	0	0.00%

Dec 31, 2023	Nuveen Asset Management, Llc	65,881	0.05%
Dec 31, 2023	Nuveen Asset Management, Llc	0	0.00%

Nov 30, 2023	Nuveen Asset Management, Llc	0	0.00%

Oct 31, 2023	Nuveen Asset Management, Llc	0	0.00%

Sep 30, 2023	Nuveen Asset Management, Llc	65,881	0.05%
Sep 30, 2023	Nuveen Asset Management, Llc	0	0.00%

Aug 31, 2023	Nuveen Asset Management, Llc	0	0.00%

Jul 31, 2023	Nuveen Asset Management, Llc	0	0.00%

Jun 30, 2023	Nuveen Asset Management, Llc	1,241,591	1.03%
Jun 30, 2023	Nuveen Asset Management, Llc	0	0.00%

May 31, 2023	Nuveen Asset Management, Llc	0	0.00%

Mar 31, 2023	Nuveen Asset Management, Llc	1,241,487	1.09%

Dec 31, 2022	Nuveen Asset Management, Llc	1,229,407	1.07%