S&P 500   4,975.51
DOW   38,563.80
QQQ   427.32
Capital One's bid for Discover carries expectation that Americans won't slow credit card use
An Unusual Way to Invest in Gold (Ad)
Walmart’s uptrend is intact; buy it when it dips
Americans' reliance on credit cards is the key to Capital One's bid for Discover
The Strategic Gold Play You Haven't Heard About (Ad)
Applied Materials stock is Ray Dalio's favorite in this new cycle
U.S. casinos won $66.5B in 2023, their best year ever as gamblers showed no economic fear
The Strategic Gold Play You Haven't Heard About (Ad)
How major US stock indexes fared Tuesday, 2/20/2024
Bears covered shorts on this ETF, 3 stocks to pop on the shift
S&P 500   4,975.51
DOW   38,563.80
QQQ   427.32
Capital One's bid for Discover carries expectation that Americans won't slow credit card use
An Unusual Way to Invest in Gold (Ad)
Walmart’s uptrend is intact; buy it when it dips
Americans' reliance on credit cards is the key to Capital One's bid for Discover
The Strategic Gold Play You Haven't Heard About (Ad)
Applied Materials stock is Ray Dalio's favorite in this new cycle
U.S. casinos won $66.5B in 2023, their best year ever as gamblers showed no economic fear
The Strategic Gold Play You Haven't Heard About (Ad)
How major US stock indexes fared Tuesday, 2/20/2024
Bears covered shorts on this ETF, 3 stocks to pop on the shift
S&P 500   4,975.51
DOW   38,563.80
QQQ   427.32
Capital One's bid for Discover carries expectation that Americans won't slow credit card use
An Unusual Way to Invest in Gold (Ad)
Walmart’s uptrend is intact; buy it when it dips
Americans' reliance on credit cards is the key to Capital One's bid for Discover
The Strategic Gold Play You Haven't Heard About (Ad)
Applied Materials stock is Ray Dalio's favorite in this new cycle
U.S. casinos won $66.5B in 2023, their best year ever as gamblers showed no economic fear
The Strategic Gold Play You Haven't Heard About (Ad)
How major US stock indexes fared Tuesday, 2/20/2024
Bears covered shorts on this ETF, 3 stocks to pop on the shift
S&P 500   4,975.51
DOW   38,563.80
QQQ   427.32
Capital One's bid for Discover carries expectation that Americans won't slow credit card use
An Unusual Way to Invest in Gold (Ad)
Walmart’s uptrend is intact; buy it when it dips
Americans' reliance on credit cards is the key to Capital One's bid for Discover
The Strategic Gold Play You Haven't Heard About (Ad)
Applied Materials stock is Ray Dalio's favorite in this new cycle
U.S. casinos won $66.5B in 2023, their best year ever as gamblers showed no economic fear
The Strategic Gold Play You Haven't Heard About (Ad)
How major US stock indexes fared Tuesday, 2/20/2024
Bears covered shorts on this ETF, 3 stocks to pop on the shift

Mersana Therapeutics (MRSN) Institutional Ownership

$3.63
-0.17 (-4.47%)
(As of 02/20/2024 ET)

Institutional Ownership Changes (13F Filings) for Mersana Therapeutics (NASDAQ:MRSN)

Number of
Institutional Buyers
(last 12 months)
69
Total
Institutional Inflows
(last 12 months)
$83.11 M
Number of
Institutional Sellers
(last 12 months)
52
Total
Institutional Outflows
(last 12 months)
$38.42 M
Get MRSN Insider Trade Alerts

Want to know when executives and insiders are buying or selling Mersana Therapeutics stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Skip Chart & View Institutional Buying and Selling Data

MRSN Institutional Buying and Selling by Quarter


Mersana Therapeutics Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/20/2024Readystate Asset Management LP295,038$0.68M0.0%N/A0.244%
2/16/2024Price T Rowe Associates Inc. MD74,970$0.17M0.0%-13.9%0.062%
2/16/2024Public Employees Retirement System of Ohio15,800$37K0.0%N/A0.013%
2/15/2024Legal & General Group Plc29,527$69K0.0%-44.5%0.024%
2/15/2024Barclays PLC152,064$0.35M0.0%+345.2%0.126%
2/15/2024Vanguard Group Inc.6,237,588$14.47M0.0%+0.8%5.167%
2/15/2024Nextech Invest Ltd.5,978,327$13.87M2.6%N/A4.953%
2/15/2024Price T Rowe Associates Inc. MD74,970$0.17M0.0%-13.9%0.062%
2/15/2024Bridgeway Capital Management LLC232,300$0.54M0.0%-60.1%0.192%
2/15/2024Bayesian Capital Management LP11,900$28K0.0%N/A0.010%
2/14/2024Royal Bank of Canada34,863$81K0.0%+133.5%0.029%
2/14/2024Cubist Systematic Strategies LLC115,656$0.27M0.0%+90.4%0.096%
2/14/2024Balyasny Asset Management L.P.9,698,147$22.50M0.0%+92.4%8.034%
2/13/2024Northern Trust Corp931,406$2.16M0.0%-9.6%0.772%
2/13/2024Tower Research Capital LLC TRC 24,533$57K0.0%-49.2%0.020%
2/13/2024Affinity Asset Advisors LLC1,000,000$2.32M0.4%-64.9%0.828%
2/13/2024Goldman Sachs Group Inc.145,565$0.34M0.0%-56.8%0.121%
2/13/2024California State Teachers Retirement System18,249$42K0.0%-81.6%0.015%
2/9/2024UBS Group AG153,276$0.36M0.0%+169.2%0.127%
2/8/2024Foundations Investment Advisors LLC102,000$0.24M0.0%N/A0.085%
2/7/2024Dimensional Fund Advisors LP101,665$0.24M0.0%-9.4%0.084%
2/7/2024BNP Paribas Financial Markets42,496$99K0.0%-65.5%0.035%
2/6/2024Charles Schwab Investment Management Inc.308,072$0.72M0.0%+4.6%0.255%
2/5/2024Victory Capital Management Inc.12,732$30K0.0%N/A0.011%
1/25/2024Nisa Investment Advisors LLC17,643$41K0.0%+479.8%0.015%
1/18/2024Hunter Perkins Capital Management LLC25,700$60K0.0%-30.5%0.021%
1/12/2024SG Americas Securities LLC39,226$91K0.0%-15.9%0.033%
1/8/2024Harbor Capital Advisors Inc.47,472$0.11M0.0%+28.1%0.039%
1/5/2024Exchange Traded Concepts LLC98,729$0.23M0.0%+34.0%0.082%
12/18/2023Vanguard Group Inc.6,186,123$7.86M0.0%+8.1%5.130%
11/24/2023Deutsche Bank AG62,827$80K0.0%-94.5%0.052%
11/22/2023Graham Capital Management L.P.46,824$59K0.0%-36.5%0.039%
11/21/2023Walleye Trading LLC121,502$0.15M0.0%N/A0.101%
11/21/2023Walleye Capital LLC2,021,467$2.57M0.0%+1,205.0%1.676%
11/15/2023GSA Capital Partners LLP101,788$0.13M0.0%-73.7%0.084%
11/15/2023Legal & General Group Plc53,162$68K0.0%-27.0%0.044%
11/15/2023Acuta Capital Partners LLC99,607$0.13M0.1%N/A0.083%
11/15/2023Affinity Asset Advisors LLC2,850,000$3.62M1.0%N/A2.364%
11/15/2023AQR Capital Management LLC143,172$0.18M0.0%+98.7%0.119%
11/14/2023Newtyn Management LLC700,000$0.89M0.2%N/A0.581%
11/14/2023Tower Research Capital LLC TRC 48,309$61K0.0%+552.6%0.040%
11/13/2023Northern Trust Corp1,030,586$1.31M0.0%-6.2%0.855%
11/13/2023Acadian Asset Management LLC354,075$0.45M0.0%N/A0.294%
11/13/2023Invesco Ltd.65,032$83K0.0%+68.4%0.054%
11/13/2023FMR LLC579,789$0.74M0.0%-60.8%0.481%
11/9/2023Rhenman & Partners Asset Management AB21,700$28K0.0%-94.6%0.018%
11/9/2023Deutsche Bank AG62,827$80K0.0%-94.5%0.052%
11/9/2023UBS Group AG56,943$72K0.0%-67.2%0.047%
11/8/2023Charles Schwab Investment Management Inc.294,405$0.37M0.0%-64.1%0.244%
11/7/2023Barclays PLC34,154$43K0.0%-81.7%0.028%
11/7/2023Fox Run Management L.L.C.21,830$28K0.0%N/A0.018%
11/6/2023Los Angeles Capital Management LLC197,470$0.25M0.0%N/A0.164%
10/31/2023Panagora Asset Management Inc.251,793$0.32M0.0%-7.3%0.209%
10/20/2023Harbor Capital Advisors Inc.37,062$47K0.0%+73.7%0.031%
10/20/2023Hunter Perkins Capital Management LLC37,000$47K0.0%N/A0.031%
10/18/2023Exchange Traded Concepts LLC73,694$94K0.0%+381.6%0.061%
10/13/2023SG Americas Securities LLC46,640$59K0.0%N/A0.039%
8/15/2023Alliancebernstein L.P.216,720$0.71M0.0%+117.4%0.180%
8/15/2023Walleye Capital LLC154,899$0.51M0.0%-30.7%0.129%
8/15/2023Y Intercept Hong Kong Ltd11,649$38K0.0%N/A0.010%
8/15/2023Goldman Sachs Group Inc.1,396,018$4.59M0.0%-52.5%1.158%
8/15/2023Readystate Asset Management LP567,300$1.87M0.1%N/A0.471%
8/15/2023Sphera Funds Management LTD.418,562$1.38M0.2%+3,840.9%0.347%
8/15/2023Hudson Bay Capital Management LP962,359$3.17M0.0%+196.1%0.799%
8/15/2023Kennedy Capital Management LLC555,279$1.83M0.0%+12.8%0.461%
8/15/2023Boxer Capital LLC1,000,000$3.29M0.2%N/A0.830%
8/14/2023Marshall Wace LLP2,711,310$8.92M0.0%+8.6%2.250%
8/14/2023State Street Corp4,905,149$16.14M0.0%-23.5%4.070%
8/14/2023Bellevue Group AG5,219,425$17.17M0.2%+21.4%4.331%
8/14/2023Rock Springs Capital Management LP3,403,133$11.20M0.3%-17.1%2.824%
8/14/2023Graham Capital Management L.P.73,744$0.24M0.0%N/A0.061%
8/11/2023Renaissance Technologies LLC1,047,919$3.45M0.0%-16.2%0.870%
8/11/2023Pale Fire Capital SE25,400$84K0.0%N/A0.021%
8/11/2023Credit Suisse AG148,463$0.49M0.0%+42.9%0.123%
8/11/2023BlackRock Inc.7,963,982$26.20M0.0%+6.6%6.609%
8/11/2023Panagora Asset Management Inc.271,501$0.89M0.0%+25.6%0.225%
8/11/2023Geode Capital Management LLC2,005,682$6.60M0.0%+11.5%1.664%
8/11/2023Artal Group S.A.3,029,555$9.97M0.3%+36.7%2.514%
8/11/2023E Fund Management Co. Ltd.18,105$60K0.0%-34.3%0.015%
8/11/2023Rhenman & Partners Asset Management AB400,000$1.32M0.1%+14.3%0.332%
8/11/2023Northern Trust Corp1,099,101$3.62M0.0%+24.2%0.912%
8/10/2023Profund Advisors LLC61,786$0.20M0.0%-31.4%0.054%
8/10/2023Russell Investments Group Ltd.99,764$0.33M0.0%+442.3%0.087%
8/10/2023Charles Schwab Investment Management Inc.820,688$2.70M0.0%+12.5%0.717%
8/10/2023Citigroup Inc.125,628$0.41M0.0%-70.0%0.110%
8/9/2023Dimensional Fund Advisors LP189,611$0.62M0.0%-54.8%0.166%
8/9/2023BNP Paribas Arbitrage SNC74,002$0.24M0.0%-66.6%0.065%
8/8/2023Candriam S.C.A.2,415,477$7.95M0.1%-18.5%2.112%
8/7/2023Mirabella Financial Services LLP14,472$48K0.0%N/A0.013%
8/3/2023Barclays PLC186,929$0.61M0.0%-5.6%0.155%
7/20/2023Exchange Traded Concepts LLC15,301$50K0.0%N/A0.013%
7/11/2023Harbor Capital Advisors Inc.21,339$70K0.0%N/A0.019%
5/26/2023ProShare Advisors LLC18,382$76K0.0%-8.8%0.016%
5/18/2023JPMorgan Chase & Co.121,565$0.50M0.0%-68.6%0.106%
5/18/2023New York State Common Retirement Fund37,108$0.15M0.0%-33.7%0.032%
5/16/2023Hudson Bay Capital Management LP325,000$1.34M0.0%+18.2%0.284%
5/16/2023Sphera Funds Management LTD.10,621$44K0.0%N/A0.009%
5/16/2023State Street Corp6,412,222$26.35M0.0%+9.5%5.606%
5/16/2023Squarepoint Ops LLC12,236$50K0.0%-87.5%0.011%
5/16/2023Geode Capital Management LLC1,798,847$7.39M0.0%+5.4%1.573%
(Data available from 1/1/2016 forward)













MRSN Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MRSN shares?

During the previous two years, 166 institutional investors and hedge funds held shares of Mersana Therapeutics. The most heavily invested institutionals were Bain Capital Life Sciences Investors LLC ($40.03M), BlackRock Inc. ($26.20M), Balyasny Asset Management L.P. ($22.50M), Millennium Management LLC ($21.47M), Bellevue Group AG ($17.17M), State Street Corp ($16.14M), and Sarissa Capital Management LP ($15.62M).Learn more on MRSN's institutional investors.

Which institutional investors have been buying Mersana Therapeutics stock?

Of the 143 institutional investors that purchased Mersana Therapeutics stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Nextech Invest Ltd. ($5.98M), Balyasny Asset Management L.P. ($4.66M), Braidwell LP ($3.36M), State Street Corp ($3.26M), Woodline Partners LP ($3.16M), Affinity Asset Advisors LLC ($2.85M), and Marshall Wace LLP ($2.74M).

How much institutional buying is happening at Mersana Therapeutics?

Institutional investors have bought a total of 61,306,191 shares in the last 24 months. This purchase volume represents approximately $243.91M in transactions.

Which Mersana Therapeutics major shareholders have been selling company stock?

Of the 80 institutional investors that sold Mersana Therapeutics stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wellington Management Group LLP ($4.54M), State Street Corp ($4.38M), Deutsche Bank AG ($2.18M), Affinity Asset Advisors LLC ($1.85M), BlackRock Inc. ($1.81M), Goldman Sachs Group Inc. ($1.74M), and Bank of Montreal Can ($1.14M).

How much institutional selling is happening at Mersana Therapeutics?

Institutional investors have sold a total of 32,043,205 shares in the last 24 months. This volume of shares sold represents approximately $121.74M in transactions.


This page (NASDAQ:MRSN) was last updated on 2/21/2024 by MarketBeat.com Staff