Top 5 Stocks to Buy Now
→ ALERT: Drop these 5 stocks before the market opens tomorrow! (From Weiss Ratings) (Ad)tc pixel Free MREO Stock Alerts

Mereo BioPharma Group (MREO) Institutional Ownership

Mereo BioPharma Group logo
$0.32 0.00 (-0.83%)
Closing price 04:00 PM Eastern
Extended Trading
$0.33 +0.01 (+1.77%)
As of 07:25 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.
Compare

Institutional Ownership Changes (13F Filings) for Mereo BioPharma Group (NASDAQ:MREO)

Current
Institutional Ownership
Percentage
62.83%
Number of
Institutional Buyers
(last 12 months)
40
Total
Institutional Inflows
(last 12 months)
$45.23M
Number of
Institutional Sellers
(last 12 months)
16
Total
Institutional Outflows
(last 12 months)
$9.49M
Get MREO Insider Trade Alerts

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

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

MREO Institutional Buying and Selling by Quarter

Mereo BioPharma Group Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/12/2026 Defilade Capital Management L.P.7,558,756$2.49M0.4%N/A4.735%
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%
Read now. Do not delete. You’ve been warned. (Ad)

Three Nobel Prize Winners expose this once-in-a-generation wealth shift: “Don’t Say I Didn’t Warn You” Porter Stansberry exposes how the convergence of three immense forces is about to rewrite everything about the American way of life: how you work, save, invest… it’s all about to change.tc pixel

Don’t be left behind. Click here now.
11/7/2025 GSA Capital Partners LLP58,145$120K0.0%N/A0.037%
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%
Read this warning immediately (Ad)

Porter Stansberry, founder of one of the world's largest financial research firms, says he's breaking the biggest story of his 26-year career. A famous historian whose books have sold over 45 million copies in 65 languages is warning of a structural shift so large it has only one historical parallel - 1776. One Stanford economist calls it 'the biggest change ever - bigger than electricity, bigger than the steam engine.' Stansberry outlines the stocks to buy, the stocks to sell, and three money moves to position yourself on the right side of this shift.tc pixel

Read Porter Stansberry's full breakdown and protect your wealth now
2/17/2025Ameriprise Financial Inc.94,456$331K0.0%+187.9%0.061%
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%


MREO Institutional Ownership - Frequently Asked Questions

During the previous two years, 78 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 68 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), Defilade Capital Management L.P. ($7.56M), and Deerfield Management Company L.P. Series C ($6.71M).

Institutional investors have bought a total of 60,895,752 shares in the last 24 months. This purchase volume represents approximately $45.23M 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.


Related Companies

This page (NASDAQ:MREO) was last updated on 6/23/2026 by MarketBeat.com Staff.
From Our Partners
Trump's gold order: the announcement they won't put on the front page
On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...
Reagan Gold Group | Sponsoredtc pixel
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside)
Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...
InvestorPlace | Sponsoredtc pixel
Trump Takes Emergency Action - Plus Elon Musk's New Venture
Elon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Tru...
Altimetry | Sponsoredtc pixel
The roadshow starts Monday. This stock isn't ready.
The SpaceX roadshow kicks off June 8. Goldman Sachs, the lead underwriter, will present the full S-1 to the wo...
Behind the Markets | Sponsoredtc pixel
CODE RED: AI Meltdown Imminent?
After correctly predicting the 2008 and 2020 stock market meltdowns, I believe this AI company is about to tri...
Paradigm Press | Sponsoredtc pixel
Do NOT Buy SpaceX – Do This Instead
SpaceX just went public - and Whitney Tilson, Harvard MBA and 30-year Wall Street veteran, says buying in coul...
Stansberry Research | Sponsoredtc pixel
Trump just signed it
A recent policy development is drawing attention from income-focused investors. According to one analyst, c...
Investors Alley | Sponsoredtc pixel
SpaceX is chump change compared to Elon’s $20T ‘iPhone’
Early Apple investors saw peak gains as high as 7,537% after the iPhone launched. Now, multiple insider source...
StocksToTrade | Sponsoredtc pixel