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 2023
Institutional positions in Mereo BioPharma Group plc as of Mar 31, 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
- 58
- −3 vs. Q4 2022
- Shares held
- 60.8M
- −763.0K (−1.2%) vs. Q4 2022
- Total value
- $43.0M
- −$3.16M (−6.8%) vs. Q4 2022
- New holders
- 7
- 15 more added
- Sold out
- 10
- 14 more reduced
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 10,366,120 | $7.33M | 0.29% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 7,747,891 | $5.48M | 0.11% | −2,857,631−26.9% | Reduced |
| Suvretta Capital Management, LLC | 7,364,438 | $5.21M | 0.25% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 6,244,897 | $4.41M | 0.11% | 00.0% | Unchanged |
| Citadel Advisors LLC | 3,047,960 | $2.15M | 0.00% | −14,372−0.5% | Reduced |
| Millennium Management LLC | 2,505,630 | $1.77M | 0.00% | +1,194,281+91.1% | Added |
| Tejara Capital Ltd | 2,435,806 | $1.72M | 0.88% | +247,200+11.3% | Added |
| Alkeon Capital Management LLC | 2,385,600 | $1.69M | 0.01% | +250,000+11.7% | Added |
| Goldman Sachs Group Inc | 2,262,785 | $1.60M | 0.00% | −31,981−1.4% | Reduced |
| Boxer Capital, LLC | 2,250,000 | $1.59M | 0.08% | 00.0% | Unchanged |
| Clearline Capital LP | 2,052,709 | $1.45M | 0.22% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 2,000,000 | $1.41M | 0.13% | +1,875,000+1,500.0% | Added |
| Tekla Capital Management LLC | 1,551,082 | $1.10M | 0.04% | 00.0% | Unchanged |
| Monaco Asset Management SAM | 1,316,245 | $930.5K | 0.42% | −733,416−35.8% | Reduced |
| Citigroup Inc | 1,130,650 | $799.3K | 0.00% | +1,129,103+72,986.6% | Added |
| DAFNA Capital Management LLC | 1,096,513 | $775.1K | 0.23% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 915,909 | $647.0K | 0.00% | −341,460−27.2% | Reduced |
| J. Goldman & Co LP | 607,500 | $429.4K | 0.02% | +297,000+95.7% | Added |
| Boothbay Fund Management, LLC | 427,403 | $302.1K | 0.01% | +427,403 | New |
| JPMorgan Chase & Co | 427,133 | $302.0K | 0.00% | +281,874+194.0% | Added |
| Toroso Investments, LLC | 331,914 | $235.0K | 0.01% | +18,786+6.0% | Added |
| Formidable Asset Management, LLC | 331,914 | $234.0K | 0.05% | +43,834+15.2% | Added |
| Primecap Management Co | 296,530 | $209.6K | 0.00% | −700−0.2% | Reduced |
| Barclays PLC | 190,007 | $134.3K | 0.00% | +23,366+14.0% | Added |
| Acadian Asset Management LLC | 191,899 | $134.0K | 0.00% | +191,899 | New |
| Privium Fund Management (UK) Ltd | 177,200 | $131.1K | 0.10% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 160,600 | $113.5K | 0.00% | +4,600+2.9% | Added |
| Geode Capital Management, LLC | 96,630 | $68.3K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 96,157 | $68.0K | 0.00% | −32,384−25.2% | Reduced |
| Jane Street Group, LLC | 91,093 | $64.4K | 0.00% | −101,869−52.8% | Reduced |
| Forefront Analytics, LLC | 83,700 | $59.2K | 0.03% | +10,200+13.9% | Added |
| Clear Harbor Asset Management, LLC | 80,754 | $57.1K | 0.01% | −3,246−3.9% | Reduced |
| Worth Venture Partners, LLC | 76,513 | $54.1K | 0.03% | +76,513 | New |
| SEI Investments Co | 58,718 | $41.5K | 0.00% | +58,718 | New |
| Bessemer Group Inc | 58,000 | $41.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 58,217 | $40.9K | 0.00% | 00.0% | Unchanged |
| PFG Investments, LLC | 47,500 | $33.6K | 0.01% | +47,500 | New |
| Susquehanna International Group, LLP | 43,089 | $30.5K | 0.00% | +29,989+228.9% | Added |
| Creative Planning | 38,320 | $27.1K | 0.00% | +12,500+48.4% | Added |
| Centiva Capital, LP | 25,000 | $17.8K | 0.00% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 24,000 | $17.0K | 0.00% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 21,962 | $15.5K | 0.00% | +21,962 | New |
| Bank of America Corp | 21,183 | $15.0K | 0.00% | −46,347−68.6% | Reduced |
| Level Four Advisory Services, LLC | 20,000 | $14.1K | 0.00% | 00.0% | Unchanged |
| Golden State Equity Partners | 14,400 | $10.2K | 0.01% | +14,400 | New |
| CSS LLC | 10,735 | $7.59K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 9,019 | $6.38K | 0.00% | −18,430−67.1% | Reduced |
| Group One Trading, L.P. | 8,130 | $5.75K | 0.00% | −36,944−82.0% | Reduced |
| Newbridge Financial Services Group, Inc. | 7,000 | $4.95K | 0.00% | +3,000+75.0% | Added |
| SRS Capital Advisors, Inc. | 4,000 | $2.83K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,500 | $1.06K | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 970 | $1.00K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 561 | $397 | 0.00% | 00.0% | Unchanged |
| New England Capital Financial Advisors LLC | 300 | $213 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 229 | $162 | 0.00% | −1−0.4% | Reduced |
| Plante Moran Financial Advisors, LLC | 48 | $34 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 13 | $9 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 29 | $0 | 0.00% | −1−3.3% | Reduced |
| Artal Group S.A. | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −1,000,000−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −132,784−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −72,740−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −37,367−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −19,745−100.0% | Sold out |
| TCWP LLC | 0 | $0 | 0.00% | −19,000−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −15,129−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −6,190−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −358−100.0% | Sold out |