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Arizona State Retirement System

SEC CIK
0001558481
Latest filing
Aug 7, 2026

MRSN holding history

Mersana Therapeutics, Inc. in every 13F filed by Arizona State Retirement System, 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 Q2 2026 holdings

Shares (Q4 2023)
0
Sold out in Q4 2023
Value
$0
% of portfolio
0.0%
Quarters held
11
Since Q1 2021
Holdings of MRSN by Arizona State Retirement System, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20230$00.0%−24,427−100.0%Sold outHolders
Q3 202324,427$31.0K<0.1%+1,450+6.3%AddedHolders
Q2 202322,977$75.6K<0.1%−151−0.7%ReducedHolders
Q1 202323,128$95.1K<0.1%+1,193+5.4%AddedHolders
Q4 202221,935$128.5K<0.1%+849+4.0%AddedHolders
Q3 202221,086$143.0K<0.1%+605+3.0%AddedHolders
Q2 202220,481$95.0K<0.1%+4,930+31.7%AddedHolders
Q1 202215,551$62.0K<0.1%+100+0.6%AddedHolders
Q4 202115,451$96.0K<0.1%+293+1.9%AddedHolders
Q3 202115,158$143.0K<0.1%+262+1.8%AddedHolders
Q2 202114,896$202.0K<0.1%−1,056−6.6%ReducedHolders
Q1 202115,952$258.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.