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Mersana Therapeutics (MRSN) Institutional Ownership

Mersana Therapeutics logo
$0.62 +0.00 (+0.68%)
As of 01/17/2025 04:00 PM Eastern
Compare

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

Current
Institutional Ownership
Percentage
93.92%
Number of
Institutional Buyers
(last 12 months)
38
Total
Institutional Inflows
(last 12 months)
$17.27M
Number of
Institutional Sellers
(last 12 months)
15
Total
Institutional Outflows
(last 12 months)
$8.38M
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MRSN Institutional Buying and Selling by Quarter

Mersana Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
1/17/2025 SG Americas Securities LLC112,291$161K0.0%+28.7%0.091%
1/15/2025 Avanza Fonder AB56,298$81K0.0%N/A0.046%
12/26/2024JPMorgan Chase & Co.2,351,359$4.44M0.0%+18.9%1.903%
12/13/2024Exome Asset Management LLC1,178,570$2.23M1.5%N/A0.954%
11/19/2024Barclays PLC494,516$934K0.0%+32.7%0.400%
11/16/2024Geode Capital Management LLC2,413,215$4.56M0.0%-3.2%1.967%
11/15/2024Barclays PLC494,516$934K0.0%+32.7%0.403%
11/15/2024XTX Topco Ltd347,255$656K0.0%+186.0%0.283%
11/15/2024Wellington Management Group LLP618,305$1.17M0.0%+16.0%0.504%
11/15/2024State Street Corp2,725,394$5.15M0.0%+1.6%2.222%
11/15/2024Quarry LP30,000$57K0.0%N/A0.024%
11/15/2024Jacobs Levy Equity Management Inc.993,046$1.88M0.0%+104.5%0.809%
11/15/2024Atom Investors LP24,661$47K0.0%-93.3%0.020%
11/14/2024Verition Fund Management LLC1,303,249$2.46M0.0%+11,695.2%1.062%
11/14/2024Acuta Capital Partners LLC1,200,000$2.27M1.8%-27.8%0.978%
11/14/2024MetLife Investment Management LLC33,916$64K0.0%-48.3%0.028%
11/13/2024BNP Paribas Financial Markets237,198$448K0.0%-29.4%0.193%
11/13/2024FMR LLC277,740$525K0.0%+13.2%0.226%
11/13/2024Dynamic Technology Lab Private Ltd18,095$34K0.0%N/A0.015%
11/12/2024HealthInvest Partners AB538,621$1.02M0.5%+191.3%0.439%
11/9/2024Intech Investment Management LLC27,342$52K0.0%N/A0.022%
11/5/2024GSA Capital Partners LLP271,774$514K0.0%+368.9%0.222%
11/4/2024Los Angeles Capital Management LLC189,660$358K0.0%+8.1%0.155%
10/28/2024US Bancorp DE16,178$31K0.0%N/A0.013%
10/10/2024Exchange Traded Concepts LLC85,006$161K0.0%+95.8%0.069%
10/3/2024 SG Americas Securities LLC87,233$165K0.0%-37.1%0.071%
8/16/2024Algert Global LLC44,655$90K0.0%N/A0.036%
8/15/2024Susquehanna Fundamental Investments LLC308,691$620K0.0%+31.9%0.252%
8/15/2024Affinity Asset Advisors LLC767,000$1.54M0.2%-23.3%0.627%
8/14/2024Squarepoint Ops LLC252,804$508K0.0%N/A0.207%
8/14/2024Marshall Wace LLP176,029$354K0.0%+358.0%0.144%
8/12/2024XTX Topco Ltd121,432$244K0.0%+262.1%0.099%
8/9/2024Renaissance Technologies LLC1,448,219$2.91M0.0%+1.4%1.184%
8/9/2024Dimensional Fund Advisors LP13,703$28K0.0%-56.1%0.011%
8/8/2024Federated Hermes Inc.185,507$373K0.0%+105,301.7%0.152%
8/7/2024ClariVest Asset Management LLC500,498$1.01M0.1%+6.1%0.409%
8/6/2024Acadian Asset Management LLC71,506$143K0.0%-84.8%0.058%
8/6/2024Los Angeles Capital Management LLC175,420$353K0.0%-11.0%0.143%
7/29/2024Principal Financial Group Inc.18,278$37K0.0%-42.5%0.015%
7/26/2024Bank of New York Mellon Corp452,829$910K0.0%+19.6%0.370%
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7/12/2024 SG Americas Securities LLC138,722$279K0.0%+313.9%0.113%
5/17/2024Walleye Trading LLC31,526$141K0.0%N/A0.026%
5/16/2024California State Teachers Retirement System11,145$50K0.0%-38.9%0.009%
5/16/2024Jacobs Levy Equity Management Inc.809,879$3.63M0.0%-13.0%0.662%
5/15/2024Price T Rowe Associates Inc. MD79,932$359K0.0%+6.6%0.065%
5/10/2024Acadian Asset Management LLC468,923$2.10M0.0%+166.7%0.387%
5/10/2024Vanguard Group Inc.6,274,370$28.11M0.0%+0.6%5.172%
5/8/2024Russell Investments Group Ltd.9,453$42K0.0%+976.7%0.008%
5/7/2024Susquehanna Fundamental Investments LLC234,116$1.05M0.0%N/A0.193%
5/7/2024ClariVest Asset Management LLC471,848$2.11M0.2%N/A0.389%
5/7/2024 SG Americas Securities LLC33,513$150K0.0%-14.6%0.028%
5/1/2024BNP Paribas Financial Markets80,735$362K0.0%+90.0%0.067%
5/1/2024Mirae Asset Global Investments Co. Ltd.54,127$226K0.0%N/A0.045%
4/23/2024Hunter Perkins Capital Management LLC15,000$67K0.0%-41.6%0.012%
2/20/2024Readystate Asset Management LP295,038$684K0.0%N/A0.244%
2/13/2024Tower Research Capital LLC TRC24,533$57K0.0%-49.2%0.020%
2/13/2024Affinity Asset Advisors LLC1,000,000$2.32M0.4%-64.9%0.828%
2/8/2024Foundations Investment Advisors LLC102,000$237K0.0%N/A0.085%
2/5/2024Victory Capital Management Inc.12,732$30K0.0%N/A0.011%
1/25/2024 Nisa Investment Advisors LLC17,643$41K0.0%+479.8%0.015%
1/18/2024Hunter Perkins Capital Management LLC25,700$60K0.0%-30.5%0.021%
1/12/2024 SG Americas Securities LLC39,226$91K0.0%-15.9%0.033%
1/8/2024 Harbor Capital Advisors Inc.47,472$110K0.0%+28.1%0.039%
1/5/2024Exchange Traded Concepts LLC98,729$229K0.0%+34.0%0.082%
11/21/2023Walleye Capital LLC2,021,467$2.57M0.0%+1,205.0%1.676%
11/15/2023Acuta Capital Partners LLC99,607$127K0.1%N/A0.083%
11/15/2023Affinity Asset Advisors LLC2,850,000$3.62M1.0%N/A2.364%
11/14/2023Newtyn Management LLC700,000$889K0.2%N/A0.581%
11/13/2023Acadian Asset Management LLC354,075$449K0.0%N/A0.294%
11/9/2023Rhenman & Partners Asset Management AB21,700$28K0.0%-94.6%0.018%
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$251K0.0%N/A0.164%
10/31/2023Panagora Asset Management Inc.251,793$320K0.0%-7.3%0.209%
10/20/2023 Harbor 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%
10/13/2023 SG Americas Securities LLC46,640$59K0.0%N/A0.039%
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%
8/15/2023Boxer Capital LLC1,000,000$3.29M0.2%N/A0.830%
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$243K0.0%N/A0.061%
8/11/2023Pale Fire Capital SE25,400$84K0.0%N/A0.021%
8/11/2023Panagora Asset Management Inc.271,501$893K0.0%+25.6%0.225%
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%
8/10/2023Profund Advisors LLC61,786$203K0.0%-31.4%0.054%
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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%
7/20/2023Exchange Traded Concepts LLC15,301$50K0.0%N/A0.013%
7/11/2023 Harbor Capital Advisors Inc.21,339$70K0.0%N/A0.019%
5/16/2023Baker BROS. Advisors LP1,886,115$7.75M0.0%N/A1.649%
5/12/2023Sectoral Asset Management Inc.343,079$1.41M0.3%N/A0.315%
5/12/2023Panagora Asset Management Inc.216,197$889K0.0%+13.2%0.198%
5/12/2023Profund Advisors LLC90,095$370K0.0%N/A0.083%
5/12/2023Rhenman & Partners Asset Management AB350,000$1.40M0.2%-12.5%0.321%
5/11/2023E Fund Management Co. Ltd.27,578$113K0.0%+26.2%0.025%
(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, 84 institutional investors and hedge funds held shares of Mersana Therapeutics. The most heavily invested institutionals were Vanguard Group Inc. ($28.11M), Bellevue Group AG ($17.17M), Rock Springs Capital Management LP ($11.20M), Braidwell LP ($10.92M), Artal Group S.A. ($9.97M), Candriam S.C.A. ($7.95M), and Baker BROS. Advisors LP ($7.75M).Learn more on MRSN's institutional investors.

What percentage of Mersana Therapeutics stock is owned by institutional investors?

93.92% of Mersana Therapeutics stock is owned by institutional investors. Learn more on MRSN's institutional investor holdings.

Which institutional investors have been buying Mersana Therapeutics stock?

Of the 71 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: Affinity Asset Advisors LLC ($2.85M), Baker BROS. Advisors LP ($1.89M), Walleye Capital LLC ($1.87M), Braidwell LP ($1.86M), Verition Fund Management LLC ($1.29M), Exome Asset Management LLC ($1.18M), and Boxer Capital LLC ($1M).

How much institutional buying is happening at Mersana Therapeutics?

Institutional investors have bought a total of 23,653,027 shares in the last 24 months. This purchase volume represents approximately $68.46M in transactions.

Which Mersana Therapeutics major shareholders have been selling company stock?

Of the 27 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: Affinity Asset Advisors LLC ($2.08M), Rock Springs Capital Management LP ($700.67K), Candriam S.C.A. ($547.37K), Acuta Capital Partners LLC ($463K), Opaleye Management Inc. ($440.30K), Rhenman & Partners Asset Management AB ($428.30K), and Acadian Asset Management LLC ($397.42K).

How much institutional selling is happening at Mersana Therapeutics?

Institutional investors have sold a total of 6,433,730 shares in the last 24 months. This volume of shares sold represents approximately $17.65M in transactions.


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This page (NASDAQ:MRSN) was last updated on 1/20/2025 by MarketBeat.com Staff
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