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 2024
Institutional positions in Mereo BioPharma Group plc as of Jun 30, 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
- 79
- 0 vs. Q1 2024
- Shares held
- 100.5M
- +16.5M (+19.6%) vs. Q1 2024
- Total value
- $361.9M
- +$84.6M (+30.5%) vs. Q1 2024
- New holders
- 15
- 20 more added
- Sold out
- 15
- 27 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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 2024
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 15,307,347 | $55.1M | 1.45% | +1,754,350+12.9% | Added |
| Adage Capital Partners GP, L.L.C. | 11,791,310 | $42.4M | 0.08% | +2,462,571+26.4% | Added |
| Rock Springs Capital Management LP | 9,283,492 | $33.4M | 1.01% | +1,141,383+14.0% | Added |
| Mangrove Partners | 8,752,893 | $31.5M | 2.83% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 7,880,882 | $28.4M | 0.02% | +2,760,309+53.9% | Added |
| Deerfield Management Company, L.P. (Series C) | 6,710,429 | $24.2M | 0.40% | +6,710,429 | New |
| 683 Capital Management, LLC | 5,000,000 | $18.0M | 1.89% | −750,000−13.0% | Reduced |
| Alkeon Capital Management LLC | 4,698,100 | $16.9M | 0.09% | +460,000+10.9% | Added |
| Frazier Life Sciences Management, L.P. | 4,401,371 | $15.8M | 0.74% | +4,401,371 | New |
| Clearline Capital LP | 3,326,718 | $12.0M | 1.05% | 00.0% | Unchanged |
| Millennium Management LLC | 3,201,705 | $11.5M | 0.01% | +1,022,570+46.9% | Added |
| Tejara Capital Ltd | 2,615,458 | $9.42M | 3.43% | +145,274+5.9% | Added |
| Goldman Sachs Group Inc | 2,507,513 | $9.03M | 0.00% | +263,699+11.8% | Added |
| Integral Health Asset Management, LLC | 1,775,000 | $6.39M | 0.64% | +825,000+86.8% | Added |
| Renaissance Technologies LLC | 1,762,003 | $6.34M | 0.01% | +89,694+5.4% | Added |
| Perceptive Advisors LLC | 1,253,250 | $4.51M | 0.11% | +1,253,250 | New |
| Soleus Capital Management, L.P. | 1,246,953 | $4.49M | 0.40% | −1,370,000−52.4% | Reduced |
| Marshall Wace, LLP | 1,144,051 | $4.12M | 0.01% | +1,144,051 | New |
| NEOS Investment Management LLC | 959,467 | $3.45M | 0.14% | +336,037+53.9% | Added |
| Blue Owl Capital Holdings LP | 897,809 | $3.23M | 0.90% | +897,809 | New |
| Susquehanna International Group, LLP | 840,264 | $3.02M | 0.01% | −779,363−48.1% | Reduced |
| Acuta Capital Partners, LLC | 677,000 | $2.44M | 2.05% | +279,116+70.2% | Added |
| Eversept Partners, LP | 496,171 | $1.79M | 0.14% | +496,171 | New |
| Artia Global Partners LP | 421,359 | $1.52M | 0.39% | 00.0% | Unchanged |
| Citadel Advisors LLC | 408,989 | $1.47M | 0.00% | +365,082+831.5% | Added |
| Monaco Asset Management SAM | 348,128 | $1.25M | 0.63% | −56,872−14.0% | Reduced |
| Cantor Fitzgerald, L. P. | 275,000 | $990.0K | 0.20% | +275,000 | New |
| Knoll Capital Management, LLC | 260,470 | $937.7K | 0.63% | 00.0% | Unchanged |
| Knott David M Jr | 236,000 | $850.0K | 0.34% | +206,000+686.7% | Added |
| J. Goldman & Co LP | 227,890 | $820.4K | 0.03% | −50,698−18.2% | Reduced |
| Verition Fund Management LLC | 226,494 | $815.4K | 0.01% | −258,942−53.3% | Reduced |
| Morgan Stanley | 207,736 | $747.9K | 0.00% | −1,174,953−85.0% | Reduced |
| Two Sigma Investments, LP | 201,776 | $726.4K | 0.00% | −149,953−42.6% | Reduced |
| Polar Asset Management Partners Inc. | 145,800 | $524.9K | 0.01% | +145,800 | New |
| Geode Capital Management, LLC | 92,156 | $331.8K | 0.00% | −4,474−4.6% | Reduced |
| Jane Street Group, LLC | 84,593 | $304.5K | 0.00% | −2,280−2.6% | Reduced |
| Bank of America Corp | 84,018 | $302.5K | 0.00% | +5,300+6.7% | Added |
| Suvretta Capital Management, LLC | 75,000 | $270.0K | 0.01% | −3,578,494−97.9% | Reduced |
| Standard Life Aberdeen plc | 73,168 | $263.4K | 0.00% | −744,141−91.0% | Reduced |
| ADAR1 Capital Management, LLC | 55,400 | $199.4K | 0.04% | +55,400 | New |
| Primecap Management Co | 54,000 | $194.4K | 0.00% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 49,304 | $177.5K | 0.00% | −145,575−74.7% | Reduced |
| Clear Harbor Asset Management, LLC | 43,500 | $156.6K | 0.01% | −2,500−5.4% | Reduced |
| Simplex Trading, LLC | 41,393 | $149.0K | 0.00% | +12,151+41.6% | Added |
| Forefront Analytics, LLC | 36,231 | $130.4K | 0.06% | −7,586−17.3% | Reduced |
| Qube Research & Technologies Ltd | 33,287 | $119.8K | 0.00% | −76,040−69.6% | Reduced |
| HSBC Holdings PLC | 28,577 | $99.6K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 27,297 | $98.3K | 0.00% | −20,390−42.8% | Reduced |
| Advisors Preferred, LLC | 24,813 | $90.1K | 0.02% | +16,551+200.3% | Added |
| Centiva Capital, LP | 25,000 | $90.0K | 0.00% | 00.0% | Unchanged |
| Golden State Equity Partners | 24,800 | $89.3K | 0.02% | +24,800 | New |
| BNP Paribas Arbitrage, SA | 20,535 | $73.9K | 0.00% | +3,100+17.8% | Added |
| Resources Investment Advisors, LLC. | 18,300 | $65.9K | 0.00% | −213−1.2% | Reduced |
| PFG Investments, LLC | 17,000 | $61.2K | 0.00% | −14,200−45.5% | Reduced |
| BlackRock Inc. | 16,792 | $60.5K | 0.00% | −16,051−48.9% | Reduced |
| Manufacturers Life Insurance Company, The | 14,621 | $52.6K | 0.00% | −104,357−87.7% | Reduced |
| Virtu Financial LLC | 14,152 | $51.0K | 0.00% | +14,152 | New |
| Two Sigma Securities, LLC | 13,926 | $50.1K | 0.00% | +13,926 | New |
| Adviser Investments LLC | 12,550 | $45.2K | 0.00% | +12,550 | New |
| Newbridge Financial Services Group, Inc. | 11,700 | $42.1K | 0.02% | 00.0% | Unchanged |
| Level Four Advisory Services, LLC | 10,000 | $36.0K | 0.00% | −10,000−50.0% | Reduced |
| Rhumbline Advisers | 6,958 | $25.0K | 0.00% | +2,887+70.9% | Added |
| GAMMA Investing LLC | 6,765 | $24.4K | 0.00% | +778+13.0% | Added |
| The PNC Financial Services Group, Inc. | 4,524 | $16.3K | 0.00% | +4,524 | New |
| SRS Capital Advisors, Inc. | 4,000 | $14.4K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 1,665 | $5.99K | 0.00% | −635−27.6% | Reduced |
| Allworth Financial LP | 1,500 | $5.82K | 0.00% | 00.0% | Unchanged |
| BFSG, LLC | 1,000 | $3.60K | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 970 | $3.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 679 | $2.44K | 0.00% | −141−17.2% | Reduced |
| Quadrant Capital Group LLC | 398 | $1.43K | 0.00% | −341−46.1% | Reduced |
| JPMorgan Chase & Co | 365 | $1.31K | 0.00% | −37,757−99.0% | Reduced |
| New England Capital Financial Advisors LLC | 300 | $1.08K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 230 | $826 | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 48 | $173 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 38 | $137 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 13 | $47 | 0.00% | −400−96.9% | Reduced |
| Royal Bank of Canada | 28 | $0 | 0.00% | 00.0% | Unchanged |
| Ariadne Wealth Management, LP | 3,499 | – | – | +3,499 | New |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −991,971−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −195,087−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −148,000−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −126,500−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −75,787−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −55,903−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −47,030−100.0% | Sold out |
| Index Fund Advisors, Inc. | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −26,179−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −16,221−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −15,664−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −11,860−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −7,145−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −1,900−100.0% | Sold out |
| ICA Group Wealth Management, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Highlander Capital Management, LLC | – | – | – | – | Not filed |