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NASDAQ: MRSN
Mersana Therapeutics Inc Stock Ownership - Who owns Mersana Therapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Mersana Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Martin H. Huber Jr.President CEO2025-01-164,514$0.58
$2.62kSell
Anna ProtopapasDirector2025-01-168,637$0.58
$5.01kSell
Mohan BalaSVP Chief Development Officer2025-01-165,939$0.58
$3.44kSell
Timothy B. LowingerSVP Chief Sci.Tech. Officer2025-01-168,048$0.58
$4.67kSell
Ashish MandeliaVP Chief Accounting Officer2025-01-163,554$0.58
$2.06kSell
Alejandra CarvajalSVP Chief Legal Officer2025-01-165,096$0.58
$2.96kSell
Brian DeschuytnerSVP COO CFO2025-01-168,470$0.58
$4.91kSell
Brian DeschuytnerSVP COO CFO2025-01-152,331$0.63
$1.47kSell
Ashish MandeliaVP Chief Accounting Officer2025-01-151,791$0.63
$1.13kSell
Timothy B. LowingerSVP Chief Sci.Tech. Officer2025-01-151,794$0.63
$1.13kSell

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Net Insider Buy/Sell (L12M) Ownership

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MRSN Shareholders

What type of owners hold Mersana Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ecor1 Capital LLC24.63%30,692,688$10.90MInsider
Anthony A. Florence Jr.11.32%14,113,128$5.01MInsider
Patrick J. Kerins11.32%14,103,252$5.01MInsider
Forest Baskett11.18%13,934,092$4.95MInsider
Scott D. Sandell11.18%13,932,603$4.95MInsider
Peter W. Sonsini11.17%13,921,527$4.94MInsider
David M. Mott10.03%12,498,022$4.44MInsider
Nextech Invest Ltd9.68%12,067,246$4.28MInstitution
Crossover I. Scsp Nextech9.68%12,067,246$4.28MInsider
Ecor1 Capital LLC9.09%11,328,000$4.02MInstitution

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MRSN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRSN37.43%62.57%Net Selling
SPRO28.05%63.87%Net SellingNet Selling
CNTB5.75%0.00%
TNYA49.84%43.74%Net BuyingNet Buying
OKYO0.19%99.81%
View Top Biotech Stocks

Mersana Therapeutics Stock Ownership FAQ

Who owns Mersana Therapeutics?

Mersana Therapeutics (NASDAQ: MRSN) is owned by 83.68% institutional shareholders, 139.90% Mersana Therapeutics insiders, and 0.00% retail investors. Ecor1 Capital LLC is the largest individual Mersana Therapeutics shareholder, owning 30.69M shares representing 24.63% of the company. Ecor1 Capital LLC's Mersana Therapeutics shares are currently valued at $10.04M.

If you're new to stock investing, here's how to buy Mersana Therapeutics stock.
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