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Mereo BioPharma Group (MREO) Institutional Ownership

Mereo BioPharma Group logo
$1.71 -0.04 (-2.29%)
Closing price 08/29/2025 04:00 PM Eastern
Extended Trading
$1.73 +0.02 (+1.17%)
As of 08/29/2025 07:59 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 Polygon.io. 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)
38
Total
Institutional Inflows
(last 12 months)
$78.68M
Number of
Institutional Sellers
(last 12 months)
18
Total
Institutional Outflows
(last 12 months)
$30.43M
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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
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%
5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC1,569,100$3.53M0.0%+62.6%0.987%
5/16/2025 Woodline Partners LP947,986$2.13M0.0%+53.2%0.596%
5/16/2025 Goldman Sachs Group Inc.2,125,920$4.78M0.0%+0.3%1.337%
5/16/2025 683 Capital Management LLC4,635,000$10.43M0.7%+1.9%2.915%
5/16/2025 Adage Capital Partners GP L.L.C.1,700,756$3.83M0.0%-80.5%1.070%
5/15/2025 Frazier Life Sciences Management L.P.7,819,863$17.60M0.8%+53.4%4.918%
5/15/2025 Tema Etfs LLC654,666$1.47M0.4%-26.5%0.412%
5/14/2025 Forefront Analytics LLC47,630$107K0.1%+37.1%0.030%
5/13/2025 Tejara Capital Ltd2,521,324$5.67M2.2%+8.8%1.586%
5/13/2025 Aberdeen Group plc2,188,354$4.92M0.0%N/A1.376%
5/12/2025 Knott David M Jr319,337$719K0.3%-3.5%0.201%
5/9/2025 BIT Capital GmbH101,070$227K0.0%N/A0.064%
5/8/2025 Monaco Asset Management SAM416,468$937K0.2%+9.2%0.262%
4/15/2025 Avanza Fonder AB28,121$67K0.0%+43.5%0.018%
4/7/2025 GAMMA Investing LLC18,855$42K0.0%+109.5%0.012%
2/25/2025 Polar Asset Management Partners Inc.169,977$595K0.0%-14.3%0.110%
2/17/2025 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC964,900$3.38M0.0%N/A0.622%
2/17/2025 Woodline Partners LP618,784$2.17M0.0%N/A0.399%
2/17/2025 Soleus Capital Management L.P.786,953$2.75M0.2%-7.1%0.507%
2/17/2025 Two Sigma Investments LP68,735$241K0.0%-48.8%0.044%
2/17/2025 Tema Etfs LLC890,548$3.12M1.3%N/A0.574%
2/17/2025 Polar Asset Management Partners Inc.169,977$595K0.0%-14.3%0.110%
2/17/2025 Janus Henderson Group PLC17,122,563$59.84M0.0%+38.7%11.036%
2/17/2025 Graham Capital Management L.P.22,189$78K0.0%+74.7%0.014%
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2/17/2025 Clearline Capital LP3,217,894$11.26M1.5%-0.8%2.074%
2/17/2025 Cantor Fitzgerald L. P.225,000$788K0.0%N/A0.145%
2/17/2025 Ameriprise Financial Inc.94,456$331K0.0%+187.9%0.061%
2/17/2025 683 Capital Management LLC4,550,000$15.93M1.0%-6.2%2.933%
2/17/2025 Acuta Capital Partners LLC779,308$2.73M2.7%-38.2%0.502%
2/14/2025 Schonfeld Strategic Advisors LLC493,900$1.73M0.0%N/A0.318%
2/14/2025 Virtus ETF Advisers LLC19,060$67K0.0%N/A0.012%
2/14/2025 Blue Owl Capital Holdings LP672,809$2.36M0.6%-20.6%0.434%
2/14/2025 Adage Capital Partners GP L.L.C.8,715,013$30.50M0.1%-10.3%5.617%
2/14/2025 Hsbc Holdings PLC13,577$47K0.0%-52.5%0.009%
2/14/2025 Rock Springs Capital Management LP9,599,170$33.60M1.3%+0.7%6.187%
2/13/2025 Marshall Wace LLP866,317$3.03M0.0%-15.8%0.558%
2/13/2025 Jump Financial LLC11,116$39K0.0%N/A0.007%
2/13/2025 Walleye Capital LLC129,629$454K0.0%N/A0.084%
2/13/2025 XTX Topco Ltd37,974$133K0.0%N/A0.024%
2/13/2025 Renaissance Technologies LLC1,189,471$4.16M0.0%-8.9%0.767%
2/12/2025 NEOS Investment Management LLC824,603$2.89M0.1%-1.3%0.531%
2/11/2025Sheets Smith Investment Management16,890$59K0.1%N/A0.011%
2/10/2025 Tejara Capital Ltd2,317,085$8.11M5.2%-18.1%1.493%
2/4/2025 HealthInvest Partners AB390,000$1.37M0.6%+95.0%0.251%
1/28/2025 Newbridge Financial Services Group Inc.10,700$37K0.0%N/A0.007%
1/24/2025 Golden State Equity Partners22,600$79K0.0%+247.7%0.015%
1/22/2025 PFG Investments LLC39,433$138K0.0%+132.0%0.025%
1/15/2025 Avanza Fonder AB19,600$69K0.0%N/A0.013%
11/15/2024 Frazier Life Sciences Management L.P.5,097,779$20.95M0.8%+15.8%3.635%
11/15/2024 State Street Corp47,561$195K0.0%N/A0.034%
11/15/2024 Polar Asset Management Partners Inc.198,300$815K0.0%+36.0%0.141%
11/15/2024 Janus Henderson Group PLC12,345,866$50.87M0.0%+56.7%8.802%
11/15/2024 Clearline Capital LP3,244,334$13.33M0.6%-2.5%2.313%
11/14/2024 Fred Alger Management LLC102,582$422K0.0%+108.1%0.073%
11/14/2024 Verition Fund Management LLC110,004$452K0.0%-51.4%0.078%
11/14/2024 Acuta Capital Partners LLC1,260,700$5.18M4.2%+86.2%0.899%
11/12/2024 HealthInvest Partners AB200,000$822K0.4%N/A0.143%
11/5/2024 GSA Capital Partners LLP67,069$276K0.0%N/A0.048%
10/7/2024 GAMMA Investing LLC10,693$44K0.0%+58.1%0.008%
8/16/2024 Perceptive Advisors LLC1,253,250$4.51M0.1%N/A0.894%
8/16/2024 Forefront Analytics LLC36,231$130K0.1%-17.3%0.026%
8/16/2024 Frazier Life Sciences Management L.P.4,401,371$15.85M0.7%N/A3.138%
8/15/2024 Blue Owl Capital Holdings LP897,809$3.23M0.9%N/A0.640%
8/15/2024 The Manufacturers Life Insurance Company14,621$53K0.0%-87.7%0.010%
8/15/2024 Millennium Management LLC3,201,705$11.53M0.0%+46.9%2.283%
8/15/2024 Deerfield Management Company L.P. Series C6,710,429$24.16M0.4%N/A4.784%
8/14/2024 Fred Alger Management LLC49,304$177K0.0%-74.7%0.035%
8/14/2024 Marshall Wace LLP1,144,051$4.12M0.0%N/A0.816%
8/14/2024 Integral Health Asset Management LLC1,775,000$6.39M0.6%+86.8%1.266%
8/13/2024 Rubric Capital Management LP15,307,347$55.11M1.4%+12.9%10.914%
8/9/2024 Renaissance Technologies LLC1,762,003$6.34M0.0%+5.4%1.256%
8/7/2024 Monaco Asset Management SAM348,128$1.25M0.2%-14.0%0.248%
8/7/2024 PFG Investments LLC17,000$61K0.0%-45.5%0.012%
8/1/2024 Rhumbline Advisers6,958$25K0.0%+70.9%0.005%
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5/16/2024 Janus Henderson Group PLC5,120,573$16.95M0.0%N/A3.651%
5/16/2024 Knoll Capital Management LLC260,470$860K0.5%+62.3%0.186%
5/15/2024 Price T Rowe Associates Inc. MD991,971$3.27M0.0%N/A0.707%
5/13/2024 Index Fund Advisors Inc.30,000$99K0.0%N/A0.021%
5/9/2024 Monaco Asset Management SAM405,000$1.34M0.4%-40.1%0.324%
5/8/2024 Advisors Preferred LLC8,262$28K0.0%N/A0.007%
5/7/2024 SG Americas Securities LLC16,221$54K0.0%N/A0.013%
5/1/2024 BNP Paribas Financial Markets17,435$58K0.0%+581,066.7%0.014%
2/15/2024 Forefront Analytics LLC36,124$83K0.0%-45.0%0.029%
2/14/2024 Rubric Capital Management LP13,552,997$31.31M0.6%+16.7%10.843%
(Data available from 1/1/2016 forward)

MREO Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MREO shares?

During the previous two years, 68 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), 683 Capital Management LLC ($11.79M), and Millennium Management LLC ($11.53M).Learn more on Mereo BioPharma Group's institutional investors.

What percentage of Mereo BioPharma Group's stock is owned by institutional investors?

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

Which institutional investors have been buying Mereo BioPharma Group's stock?

Of the 58 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: Janus Henderson Group PLC ($14.36M), Frazier Life Sciences Management L.P. ($9.44M), Deerfield Management Company L.P. Series C ($6.71M), Rubric Capital Management LP ($3.69M), Aberdeen Group plc ($3.03M), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($1.57M), and abrdn plc ($1.55M).

How much institutional buying is happening at Mereo BioPharma Group?

Institutional investors have bought a total of 24,416,700 shares in the last 24 months. This purchase volume represents approximately $78.68M in transactions.

Which of Mereo BioPharma Group's major shareholders have been selling company stock?

Of the 18 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: Adage Capital Partners GP L.L.C. ($8.01M), Tema Etfs LLC ($787.97K), Tejara Capital Ltd ($603.79K), 683 Capital Management LLC ($584.80K), Acuta Capital Partners LLC ($481.39K), Blue Owl Capital Holdings LP ($175K), and Marshall Wace LLP ($162.20K).

How much institutional selling is happening at Mereo BioPharma Group?

Institutional investors have sold a total of 11,488,985 shares in the last 24 months. This volume of shares sold represents approximately $30.43M in transactions.


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This page (NASDAQ:MREO) was last updated on 8/31/2025 by MarketBeat.com Staff
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