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 |
|---|---|---|---|---|---|
| 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 |
| Rockefeller Capital Management L.P. | 358 | $1.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 164 | $1.00K | 0.00% | +164 | New |
| 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 |
| Endurance Wealth Management, Inc. | 1,500 | $4.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 3,230 | $10.0K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 3,657 | $12.0K | 0.00% | +3,657 | New |
| Newbridge Financial Services Group, Inc. | 4,000 | $13.0K | 0.01% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 5,000 | $16.0K | 0.00% | +5,000 | New |
| CSS LLC | 10,735 | $34.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 11,426 | $36.0K | 0.00% | +11,426 | New |
| Shay Capital LLC | 12,686 | $40.0K | 0.01% | −4,581−26.5% | Reduced |
| 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 |
| Wealthspire Advisors, LLC | 14,276 | $45.0K | 0.00% | 00.0% | Unchanged |
| Windsor Creek Advisors, LLC | 15,000 | $48.0K | 0.02% | +15,000 | New |
| Legal & General Group Plc | 15,717 | $50.0K | 0.00% | +15,717 | New |
| Simplex Trading, LLC | 16,535 | $52.0K | 0.00% | +9,156+124.1% | Added |
| Barclays PLC | 20,000 | $63.0K | 0.00% | −58,988−74.7% | Reduced |
| Susquehanna International Group, LLP | 21,129 | $67.0K | 0.00% | +5,175+32.4% | Added |
| Man Group plc | 27,400 | $87.0K | 0.00% | +27,400 | New |
| Valeo Financial Advisors, LLC | 32,506 | $103.0K | 0.01% | +25,000+333.1% | Added |
| Personal Cfo Solutions, LLC | 33,388 | $106.0K | 0.02% | −41,388−55.3% | Reduced |
| Marshall Wace, LLP | 44,682 | $142.0K | 0.00% | −28,876−39.3% | Reduced |
| Logos Global Management LP | 46,984 | $149.0K | 0.01% | +46,984 | New |
| Bank of America Corp | 54,433 | $173.0K | 0.00% | +52,778+3,189.0% | Added |
| Morgan Stanley | 55,591 | $177.0K | 0.00% | +11,520+26.1% | Added |
| HSBC Holdings PLC | 58,217 | $180.0K | 0.00% | 00.0% | Unchanged |
| 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 |
| State Street Corp | 78,200 | $248.0K | 0.00% | +78,200 | New |
| Geode Capital Management, LLC | 96,630 | $306.0K | 0.00% | +63,643+192.9% | Added |
| Ikarian Capital, LLC | 944,308 | $346.0K | 0.06% | −202,000−17.6% | Reduced |
| Boothbay Fund Management, LLC | 128,048 | $406.0K | 0.02% | −20,000−13.5% | Reduced |
| Insight Advisors, LLC | 165,825 | $438.0K | 0.14% | −62,900−27.5% | Reduced |
| HealthCor Management, L.P. | 149,170 | $473.0K | 0.02% | 00.0% | Unchanged |
| Jump Financial, LLC | 151,700 | $481.0K | 0.05% | +151,700 | New |
| Pura Vida Investments, LLC | 196,570 | $623.0K | 0.04% | +96,056+95.6% | Added |
| Delphi Management Partners VIII, L.L.C. | 256,734 | $814.0K | 0.64% | 00.0% | Unchanged |
| Atom Investors LP | 269,390 | $854.0K | 0.18% | +203,466+308.6% | Added |
| Renaissance Technologies LLC | 285,100 | $904.0K | 0.00% | +17,900+6.7% | Added |
| Silverarc Capital Management, LLC | 405,871 | $1.29M | 0.68% | +230,871+131.9% | Added |
| Primecap Management Co | 488,938 | $1.55M | 0.00% | −1620.0% | Reduced |
| J. Goldman & Co LP | 626,421 | $1.99M | 0.13% | +563,654+898.0% | Added |
| Affinity Asset Advisors, LLC | 650,000 | $2.06M | 0.98% | −250,000−27.8% | Reduced |
| Endurant Capital Management LP | 756,915 | $2.40M | 0.66% | −582,920−43.5% | Reduced |
| Monashee Investment Management LLC | 800,000 | $2.54M | 0.30% | −200,000−20.0% | Reduced |
| Tekla Capital Management LLC | 1,044,790 | $3.31M | 0.11% | +47,500+4.8% | Added |
| DAFNA Capital Management LLC | 1,126,613 | $3.57M | 0.75% | −123,035−9.8% | Reduced |
| Altium Capital Management LP | 1,250,000 | $3.96M | 0.92% | 00.0% | Unchanged |
| Tri Locum Partners LP | 1,253,729 | $3.97M | 1.66% | +1,253,729 | New |
| Schonfeld Strategic Advisors LLC | 1,325,053 | $4.20M | 0.05% | +52,000+4.1% | Added |
| Artal Group S.A. | 1,500,000 | $4.75M | 0.11% | 00.0% | Unchanged |
| Asymmetry Capital Management, L.P. | 1,618,328 | $5.13M | 3.53% | +555,064+52.2% | Added |
| Millennium Management LLC | 1,663,950 | $5.28M | 0.01% | −925,417−35.7% | Reduced |
| Perceptive Advisors LLC | 1,696,068 | $5.38M | 0.07% | −4,303,932−71.7% | Reduced |
| Alkeon Capital Management LLC | 1,935,600 | $6.14M | 0.02% | 00.0% | Unchanged |
| Holocene Advisors, LP | 1,949,737 | $6.18M | 0.04% | +819,750+72.5% | Added |
| Commodore Capital LP | 2,059,729 | $6.53M | 2.27% | +10,972+0.5% | Added |
| Baker Bros. Advisors LP | 2,459,399 | $7.80M | 0.03% | −4,260,549−63.4% | Reduced |
| Citadel Advisors LLC | 2,954,068 | $9.36M | 0.01% | +516,810+21.2% | Added |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 2,976,121 | $9.43M | 0.10% | 00.0% | Unchanged |
| Vivo Capital, LLC | 4,220,938 | $13.4M | 0.58% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 4,542,769 | $14.4M | 0.29% | +47,900+1.1% | Added |
| Rubric Capital Management LP | 5,660,608 | $17.9M | 1.13% | +2,745,747+94.2% | Added |
| Boxer Capital, LLC | 6,226,673 | $19.7M | 0.70% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 8,649,300 | $27.4M | 0.41% | +2,283,800+35.9% | Added |
| Point72 Asset Management, L.P. | 10,107,189 | $32.0M | 0.16% | +1,830,689+22.1% | Added |
| OrbiMed Advisors LLC | – | $54.7M | 0.56% | – | – |
| 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 |