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, Q4 2023
Institutional positions in Mereo BioPharma Group plc as of Dec 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
- 64
- +8 vs. Q3 2023
- Shares held
- 78.5M
- +8.02M (+11.4%) vs. Q3 2023
- Total value
- $181.4M
- +$91.0M (+100.7%) vs. Q3 2023
- New holders
- 17
- 19 more added
- Sold out
- 9
- 13 more reduced
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 13,552,997 | $31.3M | 1.17% | +1,936,877+16.7% | Added |
| Soleus Capital Management, L.P. | 9,777,419 | $22.6M | 2.51% | +100,000+1.0% | Added |
| Mangrove Partners | 8,752,893 | $20.2M | 1.75% | +3,221,346+58.2% | Added |
| Rock Springs Capital Management LP | 7,983,851 | $18.4M | 0.46% | +307,370+4.0% | Added |
| Suvretta Capital Management, LLC | 7,370,838 | $17.0M | 0.78% | +6,400+0.1% | Added |
| 683 Capital Management, LLC | 6,200,000 | $14.3M | 1.43% | +200,000+3.3% | Added |
| Alkeon Capital Management LLC | 4,238,100 | $9.79M | 0.06% | +500,000+13.4% | Added |
| Tejara Capital Ltd | 3,713,129 | $8.58M | 3.59% | +498,128+15.5% | Added |
| Clearline Capital LP | 3,326,718 | $7.68M | 0.86% | +223,995+7.2% | Added |
| Adage Capital Partners GP, L.L.C. | 2,650,000 | $6.12M | 0.01% | +1,850,000+231.3% | Added |
| Goldman Sachs Group Inc | 2,023,672 | $4.67M | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 1,798,009 | $4.15M | 0.01% | +70,439+4.1% | Added |
| Standard Life Aberdeen plc | 1,551,082 | $3.58M | 0.01% | +1,551,082 | New |
| Millennium Management LLC | 1,410,317 | $3.26M | 0.00% | +166,732+13.4% | Added |
| DAFNA Capital Management LLC | 778,813 | $1.80M | 0.43% | −183,700−19.1% | Reduced |
| Monaco Asset Management SAM | 676,494 | $1.56M | 0.60% | +80,765+13.6% | Added |
| NEOS Investment Management LLC | 351,905 | $812.9K | 0.08% | +310,577+751.5% | Added |
| Citadel Advisors LLC | 324,819 | $750.3K | 0.00% | −1,917,606−85.5% | Reduced |
| Toroso Investments, LLC | 319,390 | $737.8K | 0.02% | −12,524−3.8% | Reduced |
| Two Sigma Investments, LP | 311,060 | $718.5K | 0.00% | +168,458+118.1% | Added |
| Susquehanna International Group, LLP | 175,628 | $405.7K | 0.00% | +72,358+70.1% | Added |
| J. Goldman & Co LP | 162,000 | $374.2K | 0.02% | −283,485−63.6% | Reduced |
| Knoll Capital Management, LLC | 160,470 | $370.1K | 0.31% | +160,470 | New |
| Fred Alger Management, LLC | 102,531 | $236.8K | 0.00% | +102,531 | New |
| Geode Capital Management, LLC | 96,630 | $223.2K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 76,165 | $175.9K | 0.00% | +69,472+1,038.0% | Added |
| Acadian Asset Management LLC | 62,843 | $144.0K | 0.00% | +62,843 | New |
| HSBC Holdings PLC | 58,217 | $134.5K | 0.00% | 00.0% | Unchanged |
| Primecap Management Co | 54,000 | $124.7K | 0.00% | −25,000−31.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 50,100 | $115.7K | 0.00% | −80,500−61.6% | Reduced |
| Envestnet Asset Management Inc | 47,169 | $109.0K | 0.00% | +47,169 | New |
| Clear Harbor Asset Management, LLC | 59,754 | $108.3K | 0.01% | −4,000−6.3% | Reduced |
| Forefront Analytics, LLC | 36,124 | $83.4K | 0.04% | −29,525−45.0% | Reduced |
| Qube Research & Technologies Ltd | 32,160 | $74.3K | 0.00% | +32,160 | New |
| PFG Investments, LLC | 30,000 | $69.3K | 0.01% | 00.0% | Unchanged |
| Centiva Capital, LP | 25,000 | $57.8K | 0.00% | 00.0% | Unchanged |
| Lynwood Capital Management Inc. | 25,000 | $57.8K | 0.25% | +25,000 | New |
| Virtu Financial LLC | 20,322 | $47.0K | 0.00% | −13,771−40.4% | Reduced |
| Golden State Equity Partners | 20,300 | $46.9K | 0.01% | +5,900+41.0% | Added |
| Level Four Advisory Services, LLC | 20,000 | $46.2K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 19,118 | $44.2K | 0.00% | −113,683−85.6% | Reduced |
| Resources Investment Advisors, LLC. | 18,902 | $43.7K | 0.00% | −7,398−28.1% | Reduced |
| Marshall Wace, LLP | 14,883 | $34.4K | 0.00% | +14,883 | New |
| Cubist Systematic Strategies, LLC | 14,686 | $33.9K | 0.00% | +14,686 | New |
| Scientech Research LLC | 13,955 | $32.2K | 0.03% | +13,955 | New |
| Newbridge Financial Services Group, Inc. | 9,500 | $21.9K | 0.01% | +9,500 | New |
| GAMMA Investing LLC | 4,612 | $17.5K | 0.00% | +4,612 | New |
| BlackRock Inc. | 5,932 | $13.7K | 0.00% | +5,932 | New |
| SRS Capital Advisors, Inc. | 4,000 | $9.24K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 3,909 | $9.03K | 0.00% | +311+8.6% | Added |
| UBS Group AG | 2,813 | $6.50K | 0.00% | +2,813 | New |
| Northwestern Mutual Wealth Management Co | 1,800 | $4.16K | 0.00% | +1,800 | New |
| Allworth Financial LP | 1,500 | $3.46K | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 970 | $2.00K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 250 | $789 | 0.00% | +250 | New |
| New England Capital Financial Advisors LLC | 300 | $693 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 276 | $638 | 0.00% | −8,942−97.0% | Reduced |
| Wells Fargo & Company | 230 | $530 | 0.00% | 00.0% | Unchanged |
| Highlander Capital Management, LLC | 127 | $293 | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 48 | $111 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 38 | $88 | 0.00% | −38−50.0% | Reduced |
| US Bancorp | 13 | $30 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 3 | $7 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 57 | $0 | 0.00% | +57 | New |
| Formidable Asset Management, LLC | 0 | $0 | 0.00% | −331,914−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −591,676−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −120,584−100.0% | Sold out |
| Privium Fund Management (UK) Ltd | 0 | $0 | 0.00% | −24,726−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −17,285−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −15,820−100.0% | Sold out |
| Arcus Capital Partners, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −14,000−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −11,313−100.0% | Sold out |