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MRSN logo MRSN — MERSANA THERAPEUTICS INC

CUSIP: 59045L205 · Held by 1 superinvestor · Combined value: $650,722

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Quarterly Activity Chart Adds vs. Reduces by Quarter
Green bars = share additions · Red bars = share reductions
Superinvestor Holders
# Investor % of Portfolio Value ($) Shares Recent Activity Share Change
1 Ken Griffin 0.0% $650,722 22,493 NEW BUY +22,493
Quarterly Activity History (2 quarters)
Investor Activity Share Change % Change
Ken Griffin NEW BUY +22,493 New
Jim Simons SOLD -88,465 Exit
Investor Activity Share Change % Change
Jim Simons NEW BUY +88,465 New

Who Owns MRSN? Superinvestor Holdings

MERSANA THERAPEUTICS INC is held by 1 tracked superinvestor, with a combined position value of $650,722 . The largest positions are held by Ken Griffin (0.0% of portfolio).

In the most recent quarter, 1 superinvestor added or initiated positions.