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OAC
MRSN
OMERS Administration Corp’s
Mersana Therapeutics
MRSN
Stock Holding History
OMERS Administration Corp’s Portfolio
MRSN Stock Details
MRSN Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
–
Sell
-7,900
Closed
-$229K
–
1148
2025
Q4
$229K
Buy
+7,900
New
+$150K
﹤0.01%
885
Other funds holding MRSN
IA
IFP Advisors
Tampa, Florida
$4.82B AUM
20.19%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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