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, Q2 2021
Institutional positions in Mereo BioPharma Group plc as of Jun 30, 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
- 72
- +5 vs. Q1 2021
- Shares held
- 73.3M
- −785.5K (−1.1%) vs. Q1 2021
- Total value
- $284.4M
- −$20.1M (−6.6%) vs. Q1 2021
- New holders
- 15
- 23 more added
- Sold out
- 10
- 16 more reduced
Compare with Q1 2021: new holders, sold out and not filed yet
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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 60 | $18.0M |
| Q1 2026 | 63 | $24.9M |
| Q4 2025 | 70 | $25.8M |
| Q3 2025 | 84 | $206.7M |
| Q2 2025 | 86 | $267.8M |
| Q1 2025 | 90 | $250.3M |
| Q4 2024 | 91 | $403.1M |
| Q3 2024 | 77 | $434.8M |
| Q2 2024 | 79 | $361.9M |
| Q1 2024 | 80 | $277.3M |
| Q4 2023 | 64 | $181.4M |
| Q3 2023 | 56 | $90.4M |
| Q2 2023 | 53 | $84.3M |
| Q1 2023 | 58 | $43.0M |
| Q4 2022 | 61 | $46.2M |
| Q3 2022 | 63 | $58.5M |
| Q2 2022 | 64 | $82.7M |
| Q1 2022 | 60 | $99.9M |
| Q4 2021 | 73 | $145.7M |
| Q3 2021 | 63 | $212.2M |
| Q2 2021 | 72 | $284.4M |
| Q1 2021 | 67 | $304.5M |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| OrbiMed Advisors LLC | – | $54.7M | 0.56% | – | – |
| Point72 Asset Management, L.P. | 10,107,189 | $32.0M | 0.16% | +1,830,689+22.1% | Added |
| Suvretta Capital Management, LLC | 8,649,300 | $27.4M | 0.41% | +2,283,800+35.9% | Added |
| Boxer Capital, LLC | 6,226,673 | $19.7M | 0.70% | 00.0% | Unchanged |
| Rubric Capital Management LP | 5,660,608 | $17.9M | 1.13% | +2,745,747+94.2% | Added |
| Rock Springs Capital Management LP | 4,542,769 | $14.4M | 0.29% | +47,900+1.1% | Added |
| Vivo Capital, LLC | 4,220,938 | $13.4M | 0.58% | 00.0% | Unchanged |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 2,976,121 | $9.43M | 0.10% | 00.0% | Unchanged |
| Citadel Advisors LLC | 2,954,068 | $9.36M | 0.01% | +516,810+21.2% | Added |
| Baker Bros. Advisors LP | 2,459,399 | $7.80M | 0.03% | −4,260,549−63.4% | Reduced |
| Commodore Capital LP | 2,059,729 | $6.53M | 2.27% | +10,972+0.5% | Added |
| Holocene Advisors, LP | 1,949,737 | $6.18M | 0.04% | +819,750+72.5% | Added |
| Alkeon Capital Management LLC | 1,935,600 | $6.14M | 0.02% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 1,696,068 | $5.38M | 0.07% | −4,303,932−71.7% | Reduced |
| Millennium Management LLC | 1,663,950 | $5.28M | 0.01% | −925,417−35.7% | Reduced |
| Asymmetry Capital Management, L.P. | 1,618,328 | $5.13M | 3.53% | +555,064+52.2% | Added |
| Artal Group S.A. | 1,500,000 | $4.75M | 0.11% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 1,325,053 | $4.20M | 0.05% | +52,000+4.1% | Added |
| Tri Locum Partners LP | 1,253,729 | $3.97M | 1.66% | +1,253,729 | New |
| Altium Capital Management LP | 1,250,000 | $3.96M | 0.92% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 1,126,613 | $3.57M | 0.75% | −123,035−9.8% | Reduced |
| Tekla Capital Management LLC | 1,044,790 | $3.31M | 0.11% | +47,500+4.8% | Added |
| Monashee Investment Management LLC | 800,000 | $2.54M | 0.30% | −200,000−20.0% | Reduced |
| Endurant Capital Management LP | 756,915 | $2.40M | 0.66% | −582,920−43.5% | Reduced |
| Affinity Asset Advisors, LLC | 650,000 | $2.06M | 0.98% | −250,000−27.8% | Reduced |
| J. Goldman & Co LP | 626,421 | $1.99M | 0.13% | +563,654+898.0% | Added |
| Primecap Management Co | 488,938 | $1.55M | 0.00% | −1620.0% | Reduced |
| Silverarc Capital Management, LLC | 405,871 | $1.29M | 0.68% | +230,871+131.9% | Added |
| Renaissance Technologies LLC | 285,100 | $904.0K | 0.00% | +17,900+6.7% | Added |
| Atom Investors LP | 269,390 | $854.0K | 0.18% | +203,466+308.6% | Added |
| Delphi Management Partners VIII, L.L.C. | 256,734 | $814.0K | 0.64% | 00.0% | Unchanged |
| Pura Vida Investments, LLC | 196,570 | $623.0K | 0.04% | +96,056+95.6% | Added |
| Jump Financial, LLC | 151,700 | $481.0K | 0.05% | +151,700 | New |
| HealthCor Management, L.P. | 149,170 | $473.0K | 0.02% | 00.0% | Unchanged |
| Insight Advisors, LLC | 165,825 | $438.0K | 0.14% | −62,900−27.5% | Reduced |
| Boothbay Fund Management, LLC | 128,048 | $406.0K | 0.02% | −20,000−13.5% | Reduced |
| Ikarian Capital, LLC | 944,308 | $346.0K | 0.06% | −202,000−17.6% | Reduced |
| Geode Capital Management, LLC | 96,630 | $306.0K | 0.00% | +63,643+192.9% | Added |
| State Street Corp | 78,200 | $248.0K | 0.00% | +78,200 | New |
| Susquehanna Fundamental Investments, LLC | 58,200 | $184.0K | 0.00% | +45,000+340.9% | Added |
| Bessemer Group Inc | 58,000 | $184.0K | 0.00% | +58,000 | New |
| HSBC Holdings PLC | 58,217 | $180.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 55,591 | $177.0K | 0.00% | +11,520+26.1% | Added |
| Bank of America Corp | 54,433 | $173.0K | 0.00% | +52,778+3,189.0% | Added |
| Logos Global Management LP | 46,984 | $149.0K | 0.01% | +46,984 | New |
| Marshall Wace, LLP | 44,682 | $142.0K | 0.00% | −28,876−39.3% | Reduced |
| Personal Cfo Solutions, LLC | 33,388 | $106.0K | 0.02% | −41,388−55.3% | Reduced |
| Valeo Financial Advisors, LLC | 32,506 | $103.0K | 0.01% | +25,000+333.1% | Added |
| Man Group plc | 27,400 | $87.0K | 0.00% | +27,400 | New |
| Susquehanna International Group, LLP | 21,129 | $67.0K | 0.00% | +5,175+32.4% | Added |
| Barclays PLC | 20,000 | $63.0K | 0.00% | −58,988−74.7% | Reduced |
| Simplex Trading, LLC | 16,535 | $52.0K | 0.00% | +9,156+124.1% | Added |
| Legal & General Group Plc | 15,717 | $50.0K | 0.00% | +15,717 | New |
| Windsor Creek Advisors, LLC | 15,000 | $48.0K | 0.02% | +15,000 | New |
| Wealthspire Advisors, LLC | 14,276 | $45.0K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 12,959 | $41.0K | 0.00% | +12,794+7,753.9% | Added |
| Resources Investment Advisors, LLC. | 13,000 | $41.0K | 0.00% | +13,000 | New |
| Shay Capital LLC | 12,686 | $40.0K | 0.01% | −4,581−26.5% | Reduced |
| Group One Trading, L.P. | 11,426 | $36.0K | 0.00% | +11,426 | New |
| CSS LLC | 10,735 | $34.0K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 5,000 | $16.0K | 0.00% | +5,000 | New |
| Newbridge Financial Services Group, Inc. | 4,000 | $13.0K | 0.01% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 3,657 | $12.0K | 0.00% | +3,657 | New |
| Wells Fargo & Company | 3,230 | $10.0K | 0.00% | 00.0% | Unchanged |
| Endurance Wealth Management, Inc. | 1,500 | $4.00K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 930 | $3.00K | 0.00% | −4,189−81.8% | Reduced |
| Sit Investment Associates Inc | 970 | $3.00K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 358 | $1.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 164 | $1.00K | 0.00% | +164 | New |
| Plante Moran Financial Advisors, LLC | 48 | $0 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 1 | $0 | 0.00% | +1 | New |
| Royal Bank of Canada | 25 | $0 | 0.00% | +25 | New |
| Sphera Funds Management Ltd. | 0 | $0 | 0.00% | −1,312,415−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −143,967−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −79,169−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −47,219−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −17,699−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −15,089−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −14,100−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −2,150−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |