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Mereo BioPharma Group (MREO) Institutional Ownership

Mereo BioPharma Group logo
$0.31 -0.04 (-10.52%)
Closing price 04:00 PM Eastern
Extended Trading
$0.31 +0.00 (+1.04%)
As of 07:47 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Mereo BioPharma Group (NASDAQ:MREO)

Current
Institutional Ownership
Percentage
62.83%
Number of
Institutional Buyers
(last 12 months)
39
Total
Institutional Inflows
(last 12 months)
$42.73M
Number of
Institutional Sellers
(last 12 months)
16
Total
Institutional Outflows
(last 12 months)
$9.49M
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MREO Institutional Buying and Selling by Quarter

Mereo BioPharma Group Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026 Bank of America Corp DE8,195,287$2.70M0.0%+32,048.5%5.134%
5/18/2026 EcoR1 Capital LLC13,368,855$4.41M0.2%+70.2%8.375%
5/14/2026 Forefront Analytics LLC127,778$42K0.0%+302.2%0.080%
2/18/2026 Virtus Investment Advisers LLC122,595$51K0.0%+199.5%0.077%
2/18/2026 Sphera Funds Management LTD.255,400$106K0.0%N/A0.160%
2/18/2026 Quadrature Capital Ltd266,731$111K0.0%N/A0.168%
2/18/2026 Millennium Management LLC83,646$35K0.0%-70.1%0.053%
2/18/2026 EcoR1 Capital LLC7,856,466$3.27M0.1%N/A4.937%
2/18/2026 Balyasny Asset Management L.P.1,280,275$533K0.0%N/A0.805%
2/18/2026 683 Capital Management LLC15,025,000$6.26M0.3%+208.2%9.442%
2/17/2026 Logos Global Management LP1,850,000$771K0.0%+270.0%1.163%
2/17/2026 Luminus Management LLC395,000$165K0.1%N/A0.248%
2/17/2026 ADAR1 Capital Management LLC150,000$63K0.0%N/A0.094%
2/17/2026 Schonfeld Strategic Advisors LLC6,090,381$2.54M0.0%+251.5%3.827%
2/17/2026 Graham Capital Management L.P.116,286$48K0.0%N/A0.073%
2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1,763,666$735K0.0%-7.5%1.108%
2/12/2026 Renaissance Technologies LLC194,371$81K0.0%-67.1%0.122%
2/12/2026 EntryPoint Capital LLC400,700$167K0.1%N/A0.252%
2/10/2026 Monaco Asset Management SAM1,585,214$661K0.1%+67.6%0.996%
2/5/2026 Tejara Capital Ltd2,159,681$900K0.2%+13.3%1.357%
2/5/2026 Baader Bank Aktiengesellschaft128,742$54K0.0%N/A0.081%
12/15/2025 Hudson Bay Capital Management LP265,000$546K0.0%-41.1%0.167%
12/1/2025 Cantor Fitzgerald L. P.110,000$227K0.0%-67.9%0.069%
11/21/2025 Forefront Analytics LLC33,180$68K0.1%+73.4%0.021%
11/17/2025 Nomura Holdings Inc.103,800$214K0.0%-17.0%0.065%
11/17/2025 Clearline Capital LP3,834,163$7.90M0.4%+6.0%2.411%
11/17/2025 Cantor Fitzgerald L. P.110,000$227K0.0%-67.9%0.069%
11/17/2025 Aquatic Capital Management LLC53,712$111K0.0%+99.5%0.034%
11/17/2025 Alkeon Capital Management LLC3,698,100$7.62M0.0%-21.3%2.326%
11/14/2025 Schonfeld Strategic Advisors LLC1,732,724$3.57M0.0%+90.5%1.090%
11/14/2025 Virtu Financial LLC15,970$33K0.0%N/A0.010%
11/14/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC1,906,775$3.93M0.0%N/A1.199%
11/14/2025 Two Sigma Investments LP1,088,096$2.24M0.0%+65.1%0.684%
11/14/2025 Squarepoint Ops LLC30,055$62K0.0%+45.4%0.019%
11/14/2025 Mangrove Partners IM LLC7,790,580$16.05M1.3%-9.8%4.900%
11/13/2025 UBS Group AG970,667$2M0.0%+159.9%0.610%
11/13/2025 Blue Owl Capital Holdings LP1,250,000$2.58M0.8%N/A0.786%
11/13/2025 Knott David M Jr300,337$619K0.2%-5.9%0.189%
11/10/2025 Monaco Asset Management SAM945,915$1.95M0.1%+139.5%0.595%
11/7/2025 GSA Capital Partners LLP58,145$120K0.0%N/A0.037%
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11/7/2025 State of New Jersey Common Pension Fund D15,644$32K0.0%N/A0.010%
11/7/2025 Aberdeen Group plc5,538,699$11.41M0.0%+82.9%3.483%
11/4/2025 Tejara Capital Ltd1,906,844$3.93M2.0%-21.5%1.199%
11/4/2025 Significant Wealth Partners LLC47,814$98K0.0%+114.8%0.030%
10/31/2025 PFG Investments LLC17,150$35K0.0%-54.2%0.011%
10/23/2025 Clear Harbor Asset Management LLC77,000$159K0.0%+83.3%0.048%
10/20/2025 Forefront Wealth Partners LLC33,180$68K0.0%N/A0.021%
8/19/2025 Marex Group plc10,000$27K0.0%N/A0.006%
8/18/2025 Nomura Holdings Inc.125,000$339K0.0%N/A0.079%
8/15/2025 Soleus Capital Management L.P.599,711$1.63M0.1%-12.7%0.377%
8/15/2025 Frazier Life Sciences Management L.P.9,440,112$25.58M1.0%+20.7%5.937%
8/15/2025 683 Capital Management LLC4,350,000$11.79M0.8%-6.1%2.736%
8/14/2025 Paloma Partners Management Co296,659$804K0.1%N/A0.187%
8/13/2025 Tema Etfs LLC102,583$278K0.1%-84.3%0.065%
8/13/2025 Virtus Investment Advisers LLC33,825$92K0.0%-23.1%0.021%
8/13/2025 Tejara Capital Ltd2,430,437$6.59M3.1%-3.6%1.529%
8/12/2025 XTX Topco Ltd69,341$188K0.0%N/A0.044%
8/7/2025 Monaco Asset Management SAM395,000$1.07M0.2%-5.2%0.248%
7/24/2025 Aberdeen Group plc3,028,872$8.21M0.0%+38.4%1.905%
7/15/2025 Significant Wealth Partners LLC22,261$60K0.0%+61.7%0.014%
7/14/2025 Avanza Fonder AB38,235$104K0.0%+36.0%0.024%
7/14/2025 Atle Fund Management AB764,901$2.07M0.9%+96.1%0.481%
6/27/2025 Goldman Sachs Group Inc.2,125,920$4.78M0.0%+0.3%1.337%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC1,569,100$3.53M0.0%+62.6%0.987%
5/16/2025Woodline Partners LP947,986$2.13M0.0%+53.2%0.596%
5/16/2025Goldman Sachs Group Inc.2,125,920$4.78M0.0%+0.3%1.337%
5/16/2025683 Capital Management LLC4,635,000$10.43M0.7%+1.9%2.915%
5/16/2025Adage Capital Partners GP L.L.C.1,700,756$3.83M0.0%-80.5%1.070%
5/15/2025Frazier Life Sciences Management L.P.7,819,863$17.60M0.8%+53.4%4.918%
5/15/2025Tema Etfs LLC654,666$1.47M0.4%-26.5%0.412%
5/14/2025Forefront Analytics LLC47,630$107K0.1%+37.1%0.030%
5/13/2025Tejara Capital Ltd2,521,324$5.67M2.2%+8.8%1.586%
5/13/2025Aberdeen Group plc2,188,354$4.92M0.0%N/A1.376%
5/12/2025Knott David M Jr319,337$719K0.3%-3.5%0.201%
5/9/2025BIT Capital GmbH101,070$227K0.0%N/A0.064%
5/8/2025Monaco Asset Management SAM416,468$937K0.2%+9.2%0.262%
4/15/2025Avanza Fonder AB28,121$67K0.0%+43.5%0.018%
4/7/2025GAMMA Investing LLC18,855$42K0.0%+109.5%0.012%
2/25/2025Polar Asset Management Partners Inc.169,977$595K0.0%-14.3%0.110%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC964,900$3.38M0.0%N/A0.622%
2/17/2025Woodline Partners LP618,784$2.17M0.0%N/A0.399%
2/17/2025Soleus Capital Management L.P.786,953$2.75M0.2%-7.1%0.507%
2/17/2025Two Sigma Investments LP68,735$241K0.0%-48.8%0.044%
2/17/2025Tema Etfs LLC890,548$3.12M1.3%N/A0.574%
2/17/2025Polar Asset Management Partners Inc.169,977$595K0.0%-14.3%0.110%
2/17/2025Janus Henderson Group PLC17,122,563$59.84M0.0%+38.7%11.036%
2/17/2025Graham Capital Management L.P.22,189$78K0.0%+74.7%0.014%
2/17/2025Clearline Capital LP3,217,894$11.26M1.5%-0.8%2.074%
2/17/2025Cantor Fitzgerald L. P.225,000$788K0.0%N/A0.145%
2/17/2025Ameriprise Financial Inc.94,456$331K0.0%+187.9%0.061%
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2/17/2025683 Capital Management LLC4,550,000$15.93M1.0%-6.2%2.933%
2/17/2025Acuta Capital Partners LLC779,308$2.73M2.7%-38.2%0.502%
2/14/2025Schonfeld Strategic Advisors LLC493,900$1.73M0.0%N/A0.318%
2/14/2025Virtus ETF Advisers LLC19,060$67K0.0%N/A0.012%
2/14/2025Blue Owl Capital Holdings LP672,809$2.36M0.6%-20.6%0.434%
2/14/2025Adage Capital Partners GP L.L.C.8,715,013$30.50M0.1%-10.3%5.617%
2/14/2025Hsbc Holdings PLC13,577$47K0.0%-52.5%0.009%
2/14/2025Rock Springs Capital Management LP9,599,170$33.60M1.3%+0.7%6.187%
2/13/2025Marshall Wace LLP866,317$3.03M0.0%-15.8%0.558%
2/13/2025Jump Financial LLC11,116$39K0.0%N/A0.007%


MREO Institutional Ownership - Frequently Asked Questions

During the previous two years, 77 institutional investors and hedge funds held shares of Mereo BioPharma Group. The most heavily invested institutionals were Janus Henderson Group PLC ($59.84M), Rubric Capital Management LP ($55.11M), Rock Springs Capital Management LP ($33.60M), Frazier Life Sciences Management L.P. ($25.58M), Deerfield Management Company L.P. Series C ($24.16M), Mangrove Partners IM LLC ($16.05M), and Aberdeen Group plc ($11.41M).Learn more on Mereo BioPharma Group's institutional investors.

62.83% of Mereo BioPharma Group's stock is owned by institutional investors. Learn more on MREO's institutional investor holdings.

Of the 67 institutional investors that purchased Mereo BioPharma Group's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: EcoR1 Capital LLC ($13.37M), 683 Capital Management LLC ($10.24M), Frazier Life Sciences Management L.P. ($9.44M), Janus Henderson Group PLC ($9.24M), Bank of America Corp DE ($8.17M), Deerfield Management Company L.P. Series C ($6.71M), and Schonfeld Strategic Advisors LLC ($5.67M).

Institutional investors have bought a total of 53,336,996 shares in the last 24 months. This purchase volume represents approximately $42.73M in transactions.

Of the 16 institutional investors that sold Mereo BioPharma Group's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Alkeon Capital Management LLC ($1M), Mangrove Partners IM LLC ($845.91K), Tejara Capital Ltd ($614.48K), Tema Etfs LLC ($552.08K), Cantor Fitzgerald L. P. ($465.91K), Renaissance Technologies LLC ($396.50K), and 683 Capital Management LLC ($285K).

Institutional investors have sold a total of 4,863,523 shares in the last 24 months. This volume of shares sold represents approximately $9.49M in transactions.


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This page (NASDAQ:MREO) was last updated on 6/1/2026 by MarketBeat.com Staff.
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