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Mersana Therapeutics shares owned by Barclays

Quarter-by-quarter ownership of Mersana Therapeutics (MRSN) shares owned by Barclays from 13F filings

Historical chart of Barclays investment in Mersana Therapeutics

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All positions including Mersana Therapeutics held by Barclays consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Mersana Therapeutics by Barclays

Quarter filed Position value Share count Share price at filing
2025-09-30 $1.5k 198 7.76