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Mereo BioPharma Group plc

MREO
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001719714

No open-market purchases or sales by Mereo BioPharma Group plc insiders were filed in the last 90 days; 60 institutions reported holding it in 13F filings for Q2 2026, worth $18.0M in total; no superinvestor holds it.

13F holders, Q1 2021

Institutional positions in Mereo BioPharma Group plc as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
67
No complete 13F data for Q4 2020
Shares held
74.1M
No complete 13F data for Q4 2020
Total value
$304.5M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting MREO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 67 institutions
Q1 2021: 67 institutionsQ2 2021: 72 institutionsQ3 2021: 63 institutionsQ4 2021: 73 institutionsQ1 2022: 60 institutionsQ2 2022: 64 institutionsQ3 2022: 63 institutionsQ4 2022: 61 institutionsQ1 2023: 58 institutionsQ2 2023: 53 institutionsQ3 2023: 56 institutionsQ4 2023: 64 institutionsQ1 2024: 80 institutionsQ2 2024: 79 institutionsQ3 2024: 77 institutionsQ4 2024: 91 institutionsQ1 2025: 90 institutionsQ2 2025: 86 institutionsQ3 2025: 84 institutionsQ4 2025: 70 institutionsQ1 2026: 63 institutionsQ2 2026: 60 institutions
Value heldQ1 2021: $304.5M
Q1 2021: $304.5MQ2 2021: $284.4MQ3 2021: $212.2MQ4 2021: $145.7MQ1 2022: $99.9MQ2 2022: $82.7MQ3 2022: $58.5MQ4 2022: $46.2MQ1 2023: $43.0MQ2 2023: $84.3MQ3 2023: $90.4MQ4 2023: $181.4MQ1 2024: $277.3MQ2 2024: $361.9MQ3 2024: $434.8MQ4 2024: $403.1MQ1 2025: $250.3MQ2 2025: $267.8MQ3 2025: $206.7MQ4 2025: $25.8MQ1 2026: $24.9MQ2 2026: $18.0M
Institutions holding MREO and their total value by quarter
QuarterHoldersValue
Q2 202660$18.0M
Q1 202663$24.9M
Q4 202570$25.8M
Q3 202584$206.7M
Q2 202586$267.8M
Q1 202590$250.3M
Q4 202491$403.1M
Q3 202477$434.8M
Q2 202479$361.9M
Q1 202480$277.3M
Q4 202364$181.4M
Q3 202356$90.4M
Q2 202353$84.3M
Q1 202358$43.0M
Q4 202261$46.2M
Q3 202263$58.5M
Q2 202264$82.7M
Q1 202260$99.9M
Q4 202173$145.7M
Q3 202163$212.2M
Q2 202172$284.4M
Q1 202167$304.5M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding MREO in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
OrbiMed Advisors LLC–$58.2M0.55%––
Point72 Asset Management, L.P.8,276,500$27.9M0.14%––
Baker Bros. Advisors LP6,719,948$22.6M0.10%––
Suvretta Capital Management, LLC6,365,500$21.5M0.32%––
Boxer Capital, LLC6,226,673$21.0M0.71%––
Perceptive Advisors LLC6,000,000$20.2M0.27%––
Rock Springs Capital Management LP4,494,869$15.1M0.33%––
Vivo Capital, LLC4,220,938$14.2M0.50%––
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)2,976,121$10.0M0.10%––
Rubric Capital Management LP2,914,861$9.82M0.58%––
Millennium Management LLC2,589,367$8.73M0.01%––
Citadel Advisors LLC2,437,258$8.21M0.01%––
Commodore Capital LP2,048,757$6.90M2.75%––
Alkeon Capital Management LLC1,935,600$6.52M0.02%––
Artal Group S.A.1,500,000$5.05M0.11%––
Endurant Capital Management LP1,339,835$4.51M1.23%––
Sphera Funds Management Ltd.1,312,415$4.42M0.41%––
Schonfeld Strategic Advisors LLC1,273,053$4.29M0.06%––
Altium Capital Management LP1,250,000$4.21M1.17%––
DAFNA Capital Management LLC1,249,648$4.21M1.00%––
Holocene Advisors, LP1,129,987$3.81M0.02%––
Asymmetry Capital Management, L.P.1,063,264$3.58M1.85%––
Monashee Investment Management LLC1,000,000$3.37M0.52%––
Tekla Capital Management LLC997,290$3.36M0.12%––
Affinity Asset Advisors, LLC900,000$3.03M1.49%––
Primecap Management Co489,100$1.65M0.00%––
Renaissance Technologies LLC267,200$900.0K0.00%––
Delphi Management Partners VIII, L.L.C.256,734$865.0K0.60%––
Insight Advisors, LLC228,725$812.0K0.26%––
Silverarc Capital Management, LLC175,000$590.0K0.33%––
HealthCor Management, L.P.149,170$503.0K0.02%––
Boothbay Fund Management, LLC148,048$499.0K0.03%––
Qube Research & Technologies Ltd143,967$485.0K0.01%––
Ikarian Capital, LLC1,146,308$419.0K0.06%––
Pura Vida Investments, LLC100,514$339.0K0.02%––
Creative Planning79,169$267.0K0.00%––
Barclays PLC78,988$266.0K0.00%––
Personal Cfo Solutions, LLC74,776$252.0K0.05%––
Marshall Wace, LLP73,558$248.0K0.00%––
Atom Investors LP65,924$222.0K0.04%––
J. Goldman & Co LP62,767$212.0K0.01%––
HSBC Holdings PLC58,217$196.0K0.00%––
Jane Street Group, LLC47,219$159.0K0.00%––
Morgan Stanley44,071$149.0K0.00%––
Geode Capital Management, LLC32,987$111.0K0.00%––
Squarepoint Ops LLC17,699$60.0K0.00%––
Shay Capital LLC17,267$58.0K0.02%––
Susquehanna International Group, LLP15,954$54.0K0.00%––
Raymond James & Associates15,089$51.0K0.00%––
Wealthspire Advisors, LLC14,276$48.0K0.00%––
Cetera Investment Advisers14,100$48.0K0.00%––
Susquehanna Fundamental Investments, LLC13,200$44.0K0.00%––
CSS LLC10,735$36.0K0.00%––
Caas Capital Management LP10,000$34.0K0.00%––
Valeo Financial Advisors, LLC7,506$25.0K0.00%––
Simplex Trading, LLC7,379$24.0K0.00%––
UBS Group AG5,119$17.0K0.00%––
Newbridge Financial Services Group, Inc.4,000$13.0K0.01%––
Wells Fargo & Company3,230$11.0K0.00%––
Total Clarity Wealth Management, Inc.2,150$7.00K0.00%––
Steward Partners Investment Advisory, LLC2,000$6.74K0.00%––
Bank of America Corp1,655$6.00K0.00%––
Endurance Wealth Management, Inc.1,500$5.00K0.00%––
Sit Investment Associates Inc970$3.00K0.00%––
BlackRock Inc.165$1.00K0.00%––
Rockefeller Capital Management L.P.358$1.00K0.00%––
Plante Moran Financial Advisors, LLC48$00.00%––