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