Historical shareholding details of iShares Biotechnology ETF holdings in Mersana Therapeutics Inc (MRSN)

Monthly changes of iShares Biotechnology ETF shareholding in Mersana Therapeutics Inc over the previous months

Month Name Total no. shares held Percent Holding
Feb 28, 2025 Ishares Biotechnology Etf 510,505 0.41%
Feb 26, 2025 Ishares Biotechnology Etf 531,205 0.43%
Jan 31, 2025 Ishares Biotechnology Etf 542,130 0.44%
Jan 29, 2025 Ishares Biotechnology Etf 543,280 0.44%
Dec 31, 2024 Ishares Biotechnology Etf 558,230 0.45%
Dec 30, 2024 Ishares Biotechnology Etf 562,255 0.46%
Dec 18, 2023 Ishares Biotechnology Etf 0 0.00%
Nov 29, 2023 Ishares Biotechnology Etf 636,998 0.53%
Oct 27, 2023 Ishares Biotechnology Etf 620,681 0.52%
Sep 27, 2023 Ishares Biotechnology Etf 634,506 0.53%
Aug 29, 2023 Ishares Biotechnology Etf 644,460 0.53%
Jul 28, 2023 Ishares Biotechnology Etf 651,096 0.57%
Jun 21, 2023 Ishares Biotechnology Etf 562,865 0.49%
May 30, 2023 Ishares Biotechnology Etf 571,355 0.50%

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