This is the #1 Stock to Buy for the AI Tidal Wave
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MRSN Insider Trading

Insider Ownership Percentage: 12.50%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $147,416.84

Mersana Therapeutics Insider Trading History Chart

This chart shows the insider buying and selling history at Mersana Therapeutics by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Mersana Therapeutics Share Price & Price History

Current Price: $5.94
Price Change: Price Increase of +0.5 (9.19%)
As of 03/1/2024 01:00 AM ET

This chart shows the closing price history over time for MRSN up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
This is the #1 Stock to Buy for the AI Tidal Wave
Marc Chaikin warned people about NVDA before its 2023 bull run - now he’s naming his next pick or the AI tidal wave. Learn more here.
Learn more here.

Mersana Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
1/16/2024Anna ProtopapasDirectorSell29,399$2.71$79,671.29125,153View SEC Filing Icon  
1/16/2024Ashish MandeliaCAOSell5,025$2.71$13,617.7523,328View SEC Filing Icon  
1/16/2024Brian DeschuytnerCFOSell9,327$2.71$25,276.1754,511View SEC Filing Icon  
1/16/2024Tushar MisraSVPSell3,357$2.71$9,097.4717,966View SEC Filing Icon  
10/26/2023Mohan BalaSVPSell1,912$1.13$2,160.568,733View SEC Filing Icon  
8/17/2023Tushar MisraSVPSell1,908$1.18$2,251.4411,507View SEC Filing Icon  
4/27/2023Alejandra CarvajalSVPSell3,944$3.89$15,342.1620,326View SEC Filing Icon  
1/17/2023Anna ProtopapasCEOSell17,346$5.74$99,566.0448,733View SEC Filing Icon  
1/17/2023Arvin YangSVPSell2,209$5.74$12,679.6630,821View SEC Filing Icon  
1/17/2023Ashish MandeliaVPSell3,575$5.74$20,520.5013,619View SEC Filing Icon  
1/17/2023Brian DeschuytnerCFOSell5,131$5.74$29,451.9432,781View SEC Filing Icon  
1/17/2023Tushar MisraCMOSell458$5.74$2,628.925,930View SEC Filing Icon  
8/17/2022Tushar MisraInsiderSell1,879$7.10$13,340.904,371View SEC Filing Icon  
6/2/2022Andrew A. F. HackDirectorBuy14,760$3.20$47,232.008,663,673View SEC Filing Icon  
5/31/2022Andrew A. F. HackDirectorBuy80,759$3.28$264,889.528,648,913View SEC Filing Icon  
5/25/2022Andrew A. F. HackDirectorBuy90,155$3.17$285,791.358,493,154View SEC Filing Icon  
5/23/2022Andrew A. F. HackDirectorBuy15,599$3.35$52,256.658,302,999View SEC Filing Icon  
5/20/2022Andrew A. F. HackDirectorBuy100,000$3.46$346,000.008,287,400View SEC Filing Icon  
5/18/2022Andrew A. F. HackDirectorBuy211,268$3.35$707,747.808,087,400View SEC Filing Icon  
5/16/2022Andrew A. F. HackDirectorBuy135,292$3.10$419,405.207,872,692View SEC Filing Icon  
4/26/2022Alejandra CarvajalInsiderSell3,948$3.69$14,568.129,302View SEC Filing Icon  
4/12/2022Andrew A. F. HackDirectorBuy598,086$4.18$2,499,999.487,120,116View SEC Filing Icon  
2/7/2022Andrew A. F. HackDirectorBuy1,136,363$4.42$5,022,724.46View SEC Filing Icon  
1/18/2022Ashish MandeliaVPSell1,982$5.92$11,733.44View SEC Filing Icon  
1/18/2022Timothy B. LowingerInsiderSell4,741$5.92$28,066.72View SEC Filing Icon  
12/1/2021Arvin YangInsiderSell5,527$6.81$37,638.87View SEC Filing Icon  
7/19/2021Anna ProtopapasCEOSell21,901$12.02$263,250.02324,922View SEC Filing Icon  
7/19/2021Timothy B. LowingerInsiderSell8,496$12.02$102,121.92View SEC Filing Icon  
7/16/2021Anna ProtopapasCEOSell20,043$12.47$249,936.21324,922View SEC Filing Icon  
7/16/2021Timothy B. LowingerInsiderSell7,775$12.47$96,954.25View SEC Filing Icon  
7/1/2021Timothy B. LowingerInsiderSell1,886$13.60$25,649.6033,321View SEC Filing Icon  
6/21/2021Timothy B. LowingerInsiderSell2,220$13.78$30,591.6031,446View SEC Filing Icon  
6/1/2021Lawrence M. AllevaDirectorBuy1,035$14.38$14,883.30View SEC Filing Icon  
5/20/2021Timothy B. LowingerInsiderSell4,102$14.10$57,838.2033,319View SEC Filing Icon  
4/20/2021Timothy B. LowingerInsiderSell4,102$15.91$65,262.8233,319View SEC Filing Icon  
3/22/2021Timothy B. LowingerInsiderSell8,203$17.50$143,552.5033,318View SEC Filing Icon  
See Full Table
This is the #1 Stock to Buy for the AI Tidal Wave
Marc Chaikin warned people about NVDA before its 2023 bull run - now he’s naming his next pick or the AI tidal wave. Learn more here.
Learn more here.

SEC Filings (Institutional Ownership Changes) for Mersana Therapeutics (NASDAQ:MRSN)

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at MRSN by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Mersana Therapeutics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/1/2024Goldman Sachs Group Inc.145,565$0.34M0.0%-56.8%0.121%Search for SEC Filing on Google Icon
2/28/2024American International Group Inc.55,108$0.13M0.0%+4.9%0.046%Search for SEC Filing on Google Icon
2/20/2024Readystate Asset Management LP295,038$0.68M0.0%N/A0.244%Search for SEC Filing on Google Icon
2/16/2024Price T Rowe Associates Inc. MD74,970$0.17M0.0%-13.9%0.062%Search for SEC Filing on Google Icon
2/16/2024Public Employees Retirement System of Ohio15,800$37K0.0%N/A0.013%Search for SEC Filing on Google Icon
2/15/2024Legal & General Group Plc29,527$69K0.0%-44.5%0.024%Search for SEC Filing on Google Icon
2/15/2024Barclays PLC152,064$0.35M0.0%+345.2%0.126%Search for SEC Filing on Google Icon
2/15/2024Vanguard Group Inc.6,237,588$14.47M0.0%+0.8%5.167%Search for SEC Filing on Google Icon
2/15/2024Nextech Invest Ltd.5,978,327$13.87M2.6%N/A4.953%Search for SEC Filing on Google Icon
2/15/2024Price T Rowe Associates Inc. MD74,970$0.17M0.0%-13.9%0.062%Search for SEC Filing on Google Icon
2/15/2024Bridgeway Capital Management LLC232,300$0.54M0.0%-60.1%0.192%Search for SEC Filing on Google Icon
2/15/2024Bayesian Capital Management LP11,900$28K0.0%N/A0.010%Search for SEC Filing on Google Icon
2/14/2024Royal Bank of Canada34,863$81K0.0%+133.5%0.029%Search for SEC Filing on Google Icon
2/14/2024Cubist Systematic Strategies LLC115,656$0.27M0.0%+90.4%0.096%Search for SEC Filing on Google Icon
2/14/2024Balyasny Asset Management L.P.9,698,147$22.50M0.0%+92.4%8.034%Search for SEC Filing on Google Icon
2/13/2024Northern Trust Corp931,406$2.16M0.0%-9.6%0.772%Search for SEC Filing on Google Icon
2/13/2024Tower Research Capital LLC TRC 24,533$57K0.0%-49.2%0.020%Search for SEC Filing on Google Icon
2/13/2024Affinity Asset Advisors LLC1,000,000$2.32M0.4%-64.9%0.828%Search for SEC Filing on Google Icon
2/13/2024Goldman Sachs Group Inc.145,565$0.34M0.0%-56.8%0.121%Search for SEC Filing on Google Icon
2/13/2024California State Teachers Retirement System18,249$42K0.0%-81.6%0.015%Search for SEC Filing on Google Icon
2/9/2024UBS Group AG153,276$0.36M0.0%+169.2%0.127%Search for SEC Filing on Google Icon
2/8/2024Foundations Investment Advisors LLC102,000$0.24M0.0%N/A0.085%Search for SEC Filing on Google Icon
2/7/2024Dimensional Fund Advisors LP101,665$0.24M0.0%-9.4%0.084%Search for SEC Filing on Google Icon
2/7/2024BNP Paribas Financial Markets42,496$99K0.0%-65.5%0.035%Search for SEC Filing on Google Icon
2/6/2024Charles Schwab Investment Management Inc.308,072$0.72M0.0%+4.6%0.255%Search for SEC Filing on Google Icon
2/5/2024Victory Capital Management Inc.12,732$30K0.0%N/A0.011%Search for SEC Filing on Google Icon
1/25/2024Nisa Investment Advisors LLC17,643$41K0.0%+479.8%0.015%Search for SEC Filing on Google Icon
1/18/2024Hunter Perkins Capital Management LLC25,700$60K0.0%-30.5%0.021%Search for SEC Filing on Google Icon
1/12/2024SG Americas Securities LLC39,226$91K0.0%-15.9%0.033%Search for SEC Filing on Google Icon
1/8/2024Harbor Capital Advisors Inc.47,472$0.11M0.0%+28.1%0.039%Search for SEC Filing on Google Icon
1/5/2024Exchange Traded Concepts LLC98,729$0.23M0.0%+34.0%0.082%Search for SEC Filing on Google Icon
12/18/2023Vanguard Group Inc.6,186,123$7.86M0.0%+8.1%5.130%Search for SEC Filing on Google Icon
11/24/2023Deutsche Bank AG62,827$80K0.0%-94.5%0.052%Search for SEC Filing on Google Icon
11/22/2023Graham Capital Management L.P.46,824$59K0.0%-36.5%0.039%Search for SEC Filing on Google Icon
11/21/2023Walleye Trading LLC121,502$0.15M0.0%N/A0.101%Search for SEC Filing on Google Icon
11/21/2023Walleye Capital LLC2,021,467$2.57M0.0%+1,205.0%1.676%Search for SEC Filing on Google Icon
11/15/2023GSA Capital Partners LLP101,788$0.13M0.0%-73.7%0.084%Search for SEC Filing on Google Icon
11/15/2023Legal & General Group Plc53,162$68K0.0%-27.0%0.044%Search for SEC Filing on Google Icon
11/15/2023Acuta Capital Partners LLC99,607$0.13M0.1%N/A0.083%Search for SEC Filing on Google Icon
11/15/2023Affinity Asset Advisors LLC2,850,000$3.62M1.0%N/A2.364%Search for SEC Filing on Google Icon
11/15/2023AQR Capital Management LLC143,172$0.18M0.0%+98.7%0.119%Search for SEC Filing on Google Icon
11/14/2023Newtyn Management LLC700,000$0.89M0.2%N/A0.581%Search for SEC Filing on Google Icon
11/14/2023Tower Research Capital LLC TRC 48,309$61K0.0%+552.6%0.040%Search for SEC Filing on Google Icon
11/13/2023Northern Trust Corp1,030,586$1.31M0.0%-6.2%0.855%Search for SEC Filing on Google Icon
11/13/2023Acadian Asset Management LLC354,075$0.45M0.0%N/A0.294%Search for SEC Filing on Google Icon
11/13/2023Invesco Ltd.65,032$83K0.0%+68.4%0.054%Search for SEC Filing on Google Icon
11/13/2023FMR LLC579,789$0.74M0.0%-60.8%0.481%Search for SEC Filing on Google Icon
11/9/2023Rhenman & Partners Asset Management AB21,700$28K0.0%-94.6%0.018%Search for SEC Filing on Google Icon
11/9/2023Deutsche Bank AG62,827$80K0.0%-94.5%0.052%Search for SEC Filing on Google Icon
11/9/2023UBS Group AG56,943$72K0.0%-67.2%0.047%Search for SEC Filing on Google Icon
11/8/2023Charles Schwab Investment Management Inc.294,405$0.37M0.0%-64.1%0.244%Search for SEC Filing on Google Icon
11/7/2023Barclays PLC34,154$43K0.0%-81.7%0.028%Search for SEC Filing on Google Icon
11/7/2023Fox Run Management L.L.C.21,830$28K0.0%N/A0.018%Search for SEC Filing on Google Icon
11/6/2023Los Angeles Capital Management LLC197,470$0.25M0.0%N/A0.164%Search for SEC Filing on Google Icon
10/31/2023Panagora Asset Management Inc.251,793$0.32M0.0%-7.3%0.209%Search for SEC Filing on Google Icon
10/20/2023Harbor Capital Advisors Inc.37,062$47K0.0%+73.7%0.031%Search for SEC Filing on Google Icon
10/20/2023Hunter Perkins Capital Management LLC37,000$47K0.0%N/A0.031%Search for SEC Filing on Google Icon
10/18/2023Exchange Traded Concepts LLC73,694$94K0.0%+381.6%0.061%Search for SEC Filing on Google Icon
10/13/2023SG Americas Securities LLC46,640$59K0.0%N/A0.039%Search for SEC Filing on Google Icon
8/15/2023Alliancebernstein L.P.216,720$0.71M0.0%+117.4%0.180%Search for SEC Filing on Google Icon
8/15/2023Walleye Capital LLC154,899$0.51M0.0%-30.7%0.129%Search for SEC Filing on Google Icon
8/15/2023Y Intercept Hong Kong Ltd11,649$38K0.0%N/A0.010%Search for SEC Filing on Google Icon
8/15/2023Goldman Sachs Group Inc.1,396,018$4.59M0.0%-52.5%1.158%Search for SEC Filing on Google Icon
8/15/2023Readystate Asset Management LP567,300$1.87M0.1%N/A0.471%Search for SEC Filing on Google Icon
8/15/2023Sphera Funds Management LTD.418,562$1.38M0.2%+3,840.9%0.347%Search for SEC Filing on Google Icon
8/15/2023Hudson Bay Capital Management LP962,359$3.17M0.0%+196.1%0.799%Search for SEC Filing on Google Icon
8/15/2023Kennedy Capital Management LLC555,279$1.83M0.0%+12.8%0.461%Search for SEC Filing on Google Icon
8/15/2023Boxer Capital LLC1,000,000$3.29M0.2%N/A0.830%Search for SEC Filing on Google Icon
8/14/2023Marshall Wace LLP2,711,310$8.92M0.0%+8.6%2.250%Search for SEC Filing on Google Icon
8/14/2023State Street Corp4,905,149$16.14M0.0%-23.5%4.070%Search for SEC Filing on Google Icon
8/14/2023Bellevue Group AG5,219,425$17.17M0.2%+21.4%4.331%Search for SEC Filing on Google Icon
8/14/2023Rock Springs Capital Management LP3,403,133$11.20M0.3%-17.1%2.824%Search for SEC Filing on Google Icon
8/14/2023Graham Capital Management L.P.73,744$0.24M0.0%N/A0.061%Search for SEC Filing on Google Icon
8/11/2023Renaissance Technologies LLC1,047,919$3.45M0.0%-16.2%0.870%Search for SEC Filing on Google Icon
8/11/2023Pale Fire Capital SE25,400$84K0.0%N/A0.021%Search for SEC Filing on Google Icon
8/11/2023Credit Suisse AG148,463$0.49M0.0%+42.9%0.123%Search for SEC Filing on Google Icon
8/11/2023BlackRock Inc.7,963,982$26.20M0.0%+6.6%6.609%Search for SEC Filing on Google Icon
8/11/2023Panagora Asset Management Inc.271,501$0.89M0.0%+25.6%0.225%Search for SEC Filing on Google Icon
8/11/2023Geode Capital Management LLC2,005,682$6.60M0.0%+11.5%1.664%Search for SEC Filing on Google Icon
8/11/2023Artal Group S.A.3,029,555$9.97M0.3%+36.7%2.514%Search for SEC Filing on Google Icon
8/11/2023E Fund Management Co. Ltd.18,105$60K0.0%-34.3%0.015%Search for SEC Filing on Google Icon
8/11/2023Rhenman & Partners Asset Management AB400,000$1.32M0.1%+14.3%0.332%Search for SEC Filing on Google Icon
8/11/2023Northern Trust Corp1,099,101$3.62M0.0%+24.2%0.912%Search for SEC Filing on Google Icon
8/10/2023Profund Advisors LLC61,786$0.20M0.0%-31.4%0.054%Search for SEC Filing on Google Icon
8/10/2023Russell Investments Group Ltd.99,764$0.33M0.0%+442.3%0.087%Search for SEC Filing on Google Icon
8/10/2023Charles Schwab Investment Management Inc.820,688$2.70M0.0%+12.5%0.717%Search for SEC Filing on Google Icon
8/10/2023Citigroup Inc.125,628$0.41M0.0%-70.0%0.110%Search for SEC Filing on Google Icon
8/9/2023Dimensional Fund Advisors LP189,611$0.62M0.0%-54.8%0.166%Search for SEC Filing on Google Icon
8/9/2023BNP Paribas Arbitrage SNC74,002$0.24M0.0%-66.6%0.065%Search for SEC Filing on Google Icon
8/8/2023Candriam S.C.A.2,415,477$7.95M0.1%-18.5%2.112%Search for SEC Filing on Google Icon
8/7/2023Mirabella Financial Services LLP14,472$48K0.0%N/A0.013%Search for SEC Filing on Google Icon
8/3/2023Barclays PLC186,929$0.61M0.0%-5.6%0.155%Search for SEC Filing on Google Icon
7/20/2023Exchange Traded Concepts LLC15,301$50K0.0%N/A0.013%Search for SEC Filing on Google Icon
7/11/2023Harbor Capital Advisors Inc.21,339$70K0.0%N/A0.019%Search for SEC Filing on Google Icon
5/26/2023ProShare Advisors LLC18,382$76K0.0%-8.8%0.016%Search for SEC Filing on Google Icon
5/18/2023JPMorgan Chase & Co.121,565$0.50M0.0%-68.6%0.106%Search for SEC Filing on Google Icon
5/18/2023New York State Common Retirement Fund37,108$0.15M0.0%-33.7%0.032%Search for SEC Filing on Google Icon
5/16/2023Hudson Bay Capital Management LP325,000$1.34M0.0%+18.2%0.284%Search for SEC Filing on Google Icon
5/16/2023Sphera Funds Management LTD.10,621$44K0.0%N/A0.009%Search for SEC Filing on Google Icon
5/16/2023State Street Corp6,412,222$26.35M0.0%+9.5%5.606%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Mersana Therapeutics logo
Mersana Therapeutics, Inc., a clinical stage biopharmaceutical company, develops antibody drug conjugates (ADC) for cancer patients with unmet needs. The company develops XMT-1660, a B7-H4-targeted Dolasynthen ADC candidate; and XMT-2056, an immunosynthen ADC. It has a research and development collaborations with Janssen Biotech, Inc. and Merck KGaA, as well as collaboration agreement with Asana BioSciences, LLC for the development of ADC product candidates. The company was formerly known as Nanopharma Corp. and changed its name to Mersana Therapeutics, Inc. in November 2005. Mersana Therapeutics, Inc. was incorporated in 2001 and is headquartered in Cambridge, Massachusetts.
Read More on Mersana Therapeutics

Today's Range

Now: $5.94
Low: $5.50
High: $6.19

50 Day Range

MA: $3.30
Low: $2.02
High: $5.94

52 Week Range

Now: $5.94
Low: $0.80
High: $9.62

Volume

3,129,714 shs

Average Volume

2,380,652 shs

Market Capitalization

$720.52 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.52

Who are the company insiders with the largest holdings of Mersana Therapeutics?

Mersana Therapeutics' top insider investors include:
  1. Andrew A F Hack (Director)
  2. Anna Protopapas (Director)
  3. Brian Deschuytner (CFO)
  4. Anna Protopapas (CEO)
  5. Arvin Yang (SVP)
  6. Ashish Mandelia (CAO)
  7. Alejandra Carvajal (SVP)
  8. Tushar Misra (SVP)
  9. Ashish Mandelia (VP)
  10. Alejandra Carvajal (Insider)
  11. Mohan Bala (SVP)
  12. Tushar Misra (CMO)
  13. Tushar Misra (Insider)
Learn More about top insider investors at Mersana Therapeutics.

Who are the major institutional investors of Mersana Therapeutics?

Mersana Therapeutics' top institutional shareholders include:
  1. Balyasny Asset Management L.P. — 8.03%
  2. Vanguard Group Inc. — 5.17%
  3. Nextech Invest Ltd. — 4.95%
  4. Affinity Asset Advisors LLC — 0.83%
  5. Northern Trust Corp — 0.77%
  6. Charles Schwab Investment Management Inc. — 0.26%
Learn More about top institutional investors of Mersana Therapeutics stock.

Which major investors are selling Mersana Therapeutics stock?

In the previous quarter, MRSN stock was sold by these institutional investors:
  1. Affinity Asset Advisors LLC
  2. Bridgeway Capital Management LLC
  3. Goldman Sachs Group Inc.
  4. Goldman Sachs Group Inc.
  5. Northern Trust Corp
  6. BNP Paribas Financial Markets
  7. California State Teachers Retirement System
  8. Citadel Advisors LLC
In the previous year, company insiders that have sold Mersana Therapeutics company stock include:
  1. Andrew A F Hack (Director)
  2. Anna Protopapas (Director)
  3. Brian Deschuytner (CFO)
  4. Anna Protopapas (CEO)
  5. Arvin Yang (SVP)
  6. Ashish Mandelia (CAO)
Learn More investors selling Mersana Therapeutics stock.

Which major investors are buying Mersana Therapeutics stock?

In the last quarter, MRSN stock was bought by institutional investors including:
  1. Nextech Invest Ltd.
  2. Balyasny Asset Management L.P.
  3. Readystate Asset Management LP
  4. Barclays PLC
  5. Foundations Investment Advisors LLC
  6. UBS Group AG
  7. Cubist Systematic Strategies LLC
  8. Vanguard Group Inc.
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