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CWM, LLC

SEC CIK
0001535847
Latest filing
May 14, 2026

MRSN holding history

Mersana Therapeutics, Inc. in every 13F filed by CWM, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MRSN overviewAll 13F holders of MRSNFull Q1 2026 holdings

Shares (Q1 2026)
0
Sold out in Q1 2026
Value
$0
% of portfolio
0.0%
Quarters held
9
Since Q4 2021
Holdings of MRSN by CWM, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20260$00.0%−2,286−100.0%Sold outHolders
Q4 20252,286$66.0K<0.1%−3,470−60.3%ReducedHolders
Q3 20255,756$44.0K<0.1%−860−13.0%ReducedConverted for a 1-for-25 splitHolders
Q2 2025165,404$49.0K<0.1%−19,421−10.5%ReducedHolders
Q1 2025184,825$64.0K<0.1%+184,645+102,580.6%AddedHolders
Q4 2024180$00.0%+55+44.0%AddedHolders
Q3 2024125$00.0%+76+155.1%AddedHolders
Q2 202449$00.0%+44+880.0%AddedHolders
Q1 20245$00.0%+5NewHolders
Q1 20220$00.0%−109−100.0%Sold outHolders
Q4 2021109$1.00K<0.1%–No prior filingHolders