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 2023
Institutional positions in Mereo BioPharma Group plc as of Jun 30, 2023. 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
- 53
- −5 vs. Q1 2023
- Shares held
- 64.5M
- +3.71M (+6.1%) vs. Q1 2023
- Total value
- $84.3M
- +$41.3M (+96.0%) vs. Q1 2023
- New holders
- 6
- 9 more added
- Sold out
- 11
- 21 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 11,616,120 | $15.3M | 0.66% | +1,250,000+12.1% | Added |
| Suvretta Capital Management, LLC | 7,364,438 | $9.72M | 0.52% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 7,042,391 | $9.30M | 0.22% | +797,494+12.8% | Added |
| Mangrove Partners | 5,531,547 | $7.30M | 0.73% | +5,531,547 | New |
| 683 Capital Management, LLC | 5,400,000 | $7.13M | 0.69% | +3,400,000+170.0% | Added |
| Alkeon Capital Management LLC | 3,738,100 | $4.93M | 0.03% | +1,352,500+56.7% | Added |
| Baker Bros. Advisors LP | 3,554,979 | $4.69M | 0.03% | +3,554,979 | New |
| Tejara Capital Ltd | 3,037,971 | $4.01M | 1.98% | +602,165+24.7% | Added |
| Boxer Capital, LLC | 2,250,000 | $2.97M | 0.14% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 1,982,406 | $2.62M | 0.00% | −280,379−12.4% | Reduced |
| Clearline Capital LP | 1,945,040 | $2.57M | 0.33% | −107,669−5.2% | Reduced |
| Renaissance Technologies LLC | 1,778,772 | $2.35M | 0.00% | +862,863+94.2% | Added |
| Citadel Advisors LLC | 1,768,443 | $2.33M | 0.00% | −1,279,517−42.0% | Reduced |
| Tekla Capital Management LLC | 1,551,082 | $2.05M | 0.08% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 1,009,013 | $1.33M | 0.36% | −87,500−8.0% | Reduced |
| Millennium Management LLC | 955,071 | $1.26M | 0.00% | −1,550,559−61.9% | Reduced |
| Monaco Asset Management SAM | 705,729 | $931.6K | 0.50% | −610,516−46.4% | Reduced |
| J. Goldman & Co LP | 350,985 | $463.3K | 0.03% | −256,515−42.2% | Reduced |
| Toroso Investments, LLC | 331,914 | $438.0K | 0.01% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 304,031 | $401.3K | 0.00% | −123,102−28.8% | Reduced |
| Ikarian Capital, LLC | 891,676 | $300.2K | 0.11% | +891,676 | New |
| Two Sigma Investments, LP | 197,759 | $261.0K | 0.00% | +197,759 | New |
| Boothbay Fund Management, LLC | 181,724 | $239.9K | 0.01% | −245,679−57.5% | Reduced |
| Privium Fund Management (UK) Ltd | 177,200 | $225.0K | 0.18% | 00.0% | Unchanged |
| Primecap Management Co | 157,700 | $208.2K | 0.00% | −138,830−46.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 130,500 | $172.3K | 0.00% | −30,100−18.7% | Reduced |
| Geode Capital Management, LLC | 96,630 | $127.6K | 0.00% | 00.0% | Unchanged |
| Forefront Analytics, LLC | 82,749 | $109.2K | 0.06% | −951−1.1% | Reduced |
| Envestnet Asset Management Inc | 74,727 | $98.6K | 0.00% | +74,727 | New |
| HSBC Holdings PLC | 58,217 | $76.8K | 0.00% | 00.0% | Unchanged |
| Clear Harbor Asset Management, LLC | 56,754 | $74.9K | 0.01% | −24,000−29.7% | Reduced |
| Resources Investment Advisors, LLC. | 39,062 | $51.6K | 0.00% | +17,100+77.9% | Added |
| PFG Investments, LLC | 31,500 | $41.6K | 0.01% | −16,000−33.7% | Reduced |
| Centiva Capital, LP | 25,000 | $33.0K | 0.00% | 00.0% | Unchanged |
| Level Four Advisory Services, LLC | 20,000 | $26.4K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 18,746 | $24.7K | 0.00% | −72,347−79.4% | Reduced |
| Golden State Equity Partners | 14,400 | $19.0K | 0.01% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 14,000 | $18.5K | 0.00% | −10,000−41.7% | Reduced |
| Newbridge Financial Services Group, Inc. | 9,500 | $12.5K | 0.01% | +2,500+35.7% | Added |
| Morgan Stanley | 9,019 | $11.9K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 5,230 | $6.90K | 0.00% | +5,001+2,183.8% | Added |
| SRS Capital Advisors, Inc. | 4,000 | $5.28K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 3,258 | $4.30K | 0.00% | +3,258 | New |
| UBS Group AG | 2,491 | $3.29K | 0.00% | −93,666−97.4% | Reduced |
| Allworth Financial LP | 1,500 | $1.98K | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 970 | $1.00K | 0.00% | 00.0% | Unchanged |
| New England Capital Financial Advisors LLC | 300 | $396 | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 48 | $63 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 38 | $50 | 0.00% | −189,969−100.0% | Reduced |
| US Bancorp | 13 | $17 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 3 | $4 | 0.00% | −558−99.5% | Reduced |
| Bank of America Corp | 1 | $1 | 0.00% | −21,182−100.0% | Reduced |
| Royal Bank of Canada | 14 | $0 | 0.00% | −15−51.7% | Reduced |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −7,747,891−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −1,130,650−100.0% | Sold out |
| Formidable Asset Management, LLC | 0 | $0 | 0.00% | −331,914−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −191,899−100.0% | Sold out |
| Worth Venture Partners, LLC | 0 | $0 | 0.00% | −76,513−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −58,718−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −58,000−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −43,089−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −38,320−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −10,735−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −8,130−100.0% | Sold out |