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

Monthly changes of iShares Nasdaq US Biotechnology ETF 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
Feb 28, 2025	Ishares Nasdaq Us Biotechnology Etf	61,635	0.05%

Feb 26, 2025	Ishares Nasdaq Us Biotechnology Etf	61,635	0.05%

Jan 31, 2025	Ishares Nasdaq Us Biotechnology Etf	59,817	0.05%

Jan 29, 2025	Ishares Nasdaq Us Biotechnology Etf	59,817	0.05%

Dec 31, 2024	Ishares Nasdaq Us Biotechnology Etf	59,413	0.05%

Dec 30, 2024	Ishares Nasdaq Us Biotechnology Etf	59,413	0.05%

Dec 15, 2023	Ishares Nasdaq Us Biotechnology Etf	0	0.00%

Nov 29, 2023	Ishares Nasdaq Us Biotechnology Etf	51,387	0.04%

Oct 30, 2023	Ishares Nasdaq Us Biotechnology Etf	60,694	0.05%

Sep 28, 2023	Ishares Nasdaq Us Biotechnology Etf	46,585	0.04%

Aug 29, 2023	Ishares Nasdaq Us Biotechnology Etf	52,160	0.04%

Jul 28, 2023	Ishares Nasdaq Us Biotechnology Etf	53,778	0.05%

Jun 21, 2023	Ishares Nasdaq Us Biotechnology Etf	55,031	0.05%

May 30, 2023	Ishares Nasdaq Us Biotechnology Etf	53,705	0.05%