Mersana Therapeutics, Inc.

BARCLAYS PLC

Report date

6/30/2025

Quarter

2025 Q2

Filed

2/27/2026

Shares

9,767

Value ($000)

3

Weight

0.0%

2019 Q4 - 2025 Q2 (23 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q2	2/27/2026	3	0.0%	9,767	6/30/2025
2025 Q1	3/17/2026	42	0.0%	121,725	3/31/2025
2024 Q4	3/19/2026	261	0.0%	182,711	12/31/2024
2024 Q3	3/31/2026	935	0.0%	494,516	9/30/2024
2024 Q2	3/23/2026	749	0.0%	372,717	6/30/2024
2024 Q1	3/24/2026	1,833	0.0%	409,218	3/31/2024
2023 Q4	3/25/2026	353	0.0%	152,064	12/31/2023
2023 Q3	3/26/2026	43	0.0%	34,154	9/30/2023
2023 Q2	3/30/2026	615	0.0%	186,929	6/30/2023
2023 Q1	3/30/2026	814	0.0%	198,033	3/31/2023
2022 Q4	3/30/2026	1,360	0.0%	232,088	12/31/2022
2022 Q3	11/3/2022	918	0.0%	135,722	9/30/2022
2022 Q2	8/12/2022	157	0.0%	34,087	6/30/2022
2022 Q1	5/16/2022	166	0.0%	41,574	3/31/2022
2021 Q4	2/14/2022	561	0.0%	90,119	12/31/2021
2021 Q3	11/9/2021	312	0.0%	33,016	9/30/2021
2021 Q2	8/13/2021	778	0.0%	57,365	6/30/2021
2021 Q1	5/13/2021	2,030	0.0%	125,428	3/31/2021
2020 Q4	2/11/2021	549	0.0%	20,624	12/31/2020
2020 Q3	11/12/2020	538	0.0%	28,921	9/30/2020
2020 Q2	8/12/2020	659	0.0%	28,150	6/30/2020
2020 Q1	5/13/2020	151	0.0%	25,945	3/31/2020
2019 Q4	2/10/2020	248	0.0%	43,241	12/31/2019