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 2024
Institutional positions in Mereo BioPharma Group plc as of Mar 31, 2024. 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
- 80
- +17 vs. Q4 2023
- Shares held
- 84.0M
- +5.50M (+7.0%) vs. Q4 2023
- Total value
- $277.3M
- +$96.0M (+52.9%) vs. Q4 2023
- New holders
- 28
- 24 more added
- Sold out
- 11
- 12 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 13,552,997 | $44.7M | 1.32% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 9,328,739 | $30.8M | 0.06% | +6,678,739+252.0% | Added |
| Mangrove Partners | 8,752,893 | $28.9M | 2.49% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 8,142,109 | $26.9M | 0.68% | +158,258+2.0% | Added |
| 683 Capital Management, LLC | 5,750,000 | $19.0M | 1.94% | −450,000−7.3% | Reduced |
| Janus Henderson Group PLC | 5,120,573 | $16.9M | 0.01% | +5,120,573 | New |
| Alkeon Capital Management LLC | 4,238,100 | $14.0M | 0.08% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 3,653,494 | $12.1M | 0.51% | −3,717,344−50.4% | Reduced |
| Clearline Capital LP | 3,326,718 | $11.0M | 1.08% | 00.0% | Unchanged |
| Soleus Capital Management, L.P. | 2,616,953 | $8.64M | 0.76% | −7,160,466−73.2% | Reduced |
| Tejara Capital Ltd | 2,470,184 | $8.15M | 3.02% | −1,242,945−33.5% | Reduced |
| Goldman Sachs Group Inc | 2,243,814 | $7.40M | 0.00% | +220,142+10.9% | Added |
| Millennium Management LLC | 2,179,135 | $7.19M | 0.01% | +768,818+54.5% | Added |
| Renaissance Technologies LLC | 1,672,309 | $5.52M | 0.01% | −125,700−7.0% | Reduced |
| Susquehanna International Group, LLP | 1,619,627 | $5.34M | 0.01% | +1,443,999+822.2% | Added |
| Morgan Stanley | 1,382,689 | $4.56M | 0.00% | +1,306,524+1,715.4% | Added |
| Price T Rowe Associates Inc | 991,971 | $3.27M | 0.00% | +991,971 | New |
| Integral Health Asset Management, LLC | 950,000 | $3.13M | 0.31% | +950,000 | New |
| Standard Life Aberdeen plc | 817,309 | $2.70M | 0.01% | −733,773−47.3% | Reduced |
| NEOS Investment Management LLC | 623,430 | $2.06M | 0.13% | +271,525+77.2% | Added |
| Verition Fund Management LLC | 485,436 | $1.60M | 0.02% | +485,436 | New |
| Artia Global Partners LP | 421,359 | $1.39M | 0.34% | +421,359 | New |
| Monaco Asset Management SAM | 405,000 | $1.34M | 0.59% | −271,494−40.1% | Reduced |
| Acuta Capital Partners, LLC | 397,884 | $1.31M | 0.85% | +397,884 | New |
| Two Sigma Investments, LP | 351,729 | $1.16M | 0.00% | +40,669+13.1% | Added |
| J. Goldman & Co LP | 278,588 | $919.3K | 0.04% | +116,588+72.0% | Added |
| Knoll Capital Management, LLC | 260,470 | $859.6K | 0.53% | +100,000+62.3% | Added |
| EAM Global Investors LLC | 195,087 | $643.8K | 0.15% | +195,087 | New |
| Fred Alger Management, LLC | 194,879 | $643.1K | 0.00% | +92,348+90.1% | Added |
| TD Asset Management Inc | 148,000 | $488.4K | 0.00% | +148,000 | New |
| Jump Financial, LLC | 126,500 | $417.4K | 0.01% | +126,500 | New |
| Manufacturers Life Insurance Company, The | 118,978 | $392.6K | 0.00% | +118,978 | New |
| Qube Research & Technologies Ltd | 109,327 | $360.8K | 0.00% | +77,167+239.9% | Added |
| Geode Capital Management, LLC | 96,630 | $318.9K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 86,873 | $286.7K | 0.00% | +86,873 | New |
| Bank of America Corp | 78,718 | $259.8K | 0.00% | +78,442+28,421.0% | Added |
| Gsa Capital Partners LLP | 75,787 | $250.0K | 0.02% | +75,787 | New |
| Envestnet Asset Management Inc | 55,903 | $184.5K | 0.00% | +8,734+18.5% | Added |
| Primecap Management Co | 54,000 | $178.2K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 47,687 | $157.4K | 0.00% | +47,687 | New |
| Cubist Systematic Strategies, LLC | 47,030 | $155.2K | 0.00% | +32,344+220.2% | Added |
| Clear Harbor Asset Management, LLC | 46,000 | $151.8K | 0.01% | −13,754−23.0% | Reduced |
| Citadel Advisors LLC | 43,907 | $144.9K | 0.00% | −280,912−86.5% | Reduced |
| Forefront Analytics, LLC | 43,817 | $144.6K | 0.07% | +7,693+21.3% | Added |
| JPMorgan Chase & Co | 38,122 | $125.8K | 0.00% | +19,004+99.4% | Added |
| BlackRock Inc. | 32,843 | $108.4K | 0.00% | +26,911+453.7% | Added |
| PFG Investments, LLC | 31,200 | $103.0K | 0.01% | +1,200+4.0% | Added |
| Index Fund Advisors, Inc. | 30,000 | $99.0K | 0.01% | +30,000 | New |
| Knott David M Jr | 30,000 | $99.0K | 0.04% | +30,000 | New |
| Simplex Trading, LLC | 29,242 | $96.0K | 0.00% | +29,242 | New |
| HSBC Holdings PLC | 28,577 | $94.3K | 0.00% | −29,640−50.9% | Reduced |
| Tudor Investment Corp Et Al | 26,179 | $86.4K | 0.00% | +26,179 | New |
| Centiva Capital, LP | 25,000 | $82.5K | 0.00% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 18,513 | $61.1K | 0.00% | −389−2.1% | Reduced |
| BNP Paribas Arbitrage, SA | 17,435 | $57.5K | 0.00% | +17,432+581,066.7% | Added |
| SG Americas Securities, LLC | 16,221 | $54.0K | 0.00% | +16,221 | New |
| GTS Securities LLC | 15,664 | $51.7K | 0.00% | +15,664 | New |
| Level Four Advisory Services, LLC | 20,000 | $46.2K | 0.00% | 00.0% | Unchanged |
| Total Clarity Wealth Management, Inc. | 11,860 | $39.1K | 0.01% | +11,860 | New |
| Newbridge Financial Services Group, Inc. | 11,700 | $38.6K | 0.02% | +2,200+23.2% | Added |
| Advisors Preferred, LLC | 8,262 | $28.2K | 0.00% | +8,262 | New |
| Tower Research Capital LLC (TRC) | 7,145 | $23.6K | 0.00% | +7,145 | New |
| GAMMA Investing LLC | 5,987 | $19.8K | 0.00% | +1,375+29.8% | Added |
| Rhumbline Advisers | 4,071 | $13.4K | 0.00% | +162+4.1% | Added |
| SRS Capital Advisors, Inc. | 4,000 | $13.2K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 2,300 | $7.59K | 0.00% | +2,300 | New |
| Point72 Asset Management, L.P. | 1,900 | $6.27K | 0.00% | +1,900 | New |
| Allworth Financial LP | 1,500 | $4.95K | 0.00% | 00.0% | Unchanged |
| BFSG, LLC | 1,000 | $3.30K | 0.00% | +1,000 | New |
| ICA Group Wealth Management, LLC | 1,000 | $3.30K | 0.00% | +1,000 | New |
| Sit Investment Associates Inc | 970 | $3.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 820 | $2.71K | 0.00% | +820 | New |
| Quadrant Capital Group LLC | 739 | $2.44K | 0.00% | +739 | New |
| US Bancorp | 413 | $1.36K | 0.00% | +400+3,076.9% | Added |
| New England Capital Financial Advisors LLC | 300 | $990 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 230 | $757 | 0.00% | 00.0% | Unchanged |
| Highlander Capital Management, LLC | 127 | $419 | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 48 | $158 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 38 | $125 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 28 | $0 | 0.00% | −29−50.9% | Reduced |
| DAFNA Capital Management LLC | 0 | $0 | 0.00% | −778,813−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −319,390−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −62,843−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −50,100−100.0% | Sold out |
| Lynwood Capital Management Inc. | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −20,322−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −14,883−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −13,955−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −2,813−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Golden State Equity Partners | – | – | – | – | Not filed |