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 2025
Institutional positions in Mereo BioPharma Group plc as of Mar 31, 2025. 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
- 90
- −1 vs. Q4 2024
- Shares held
- 111.1M
- −4.10M (−3.6%) vs. Q4 2024
- Total value
- $250.3M
- −$152.8M (−37.9%) vs. Q4 2024
- New holders
- 13
- 27 more added
- Sold out
- 14
- 21 more reduced
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 3 | $7 | 0.00% | 00.0% | Unchanged |
| Grove Bank & Trust | 12 | $27 | 0.00% | +12 | New |
| US Bancorp | 13 | $29 | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 32 | $112 | 0.00% | 00.0% | Unchanged |
| Transce3nd, LLC | 127 | $286 | 0.00% | 00.0% | Unchanged |
| New England Capital Financial Advisors LLC | 300 | $675 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 309 | $696 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 365 | $821 | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 970 | $2.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,230 | $2.77K | 0.00% | +1,001+437.1% | Added |
| Caitong International Asset Management Co., Ltd | 1,484 | $3.34K | 0.00% | +1,164+363.8% | Added |
| GPS Wealth Strategies Group, LLC | 1,500 | $3.38K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,500 | $3.81K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 3,063 | $6.89K | 0.00% | +2,934+2,274.4% | Added |
| Simplex Trading, LLC | 4,117 | $9.00K | 0.00% | −50,982−92.5% | Reduced |
| SRS Capital Advisors, Inc. | 4,000 | $9.00K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 6,588 | $14.8K | 0.00% | −649−9.0% | Reduced |
| GAMMA Investing LLC | 8,380 | $18.9K | 0.00% | −621−6.9% | Reduced |
| Level Four Advisory Services, LLC | 10,000 | $22.5K | 0.00% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 10,000 | $22.5K | 0.00% | 00.0% | Unchanged |
| Marex Group plc | 10,000 | $22.5K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 11,000 | $24.8K | 0.01% | +300+2.8% | Added |
| HSBC Holdings PLC | 13,577 | $29.8K | 0.00% | 00.0% | Unchanged |
| Significant Wealth Partners LLC | 13,771 | $31.0K | 0.02% | +2,966+27.5% | Added |
| HRT Financial LP | 15,713 | $35.0K | 0.00% | +15,713 | New |
| Sheets Smith Investment Management | 16,890 | $38.0K | 0.04% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 17,931 | $40.3K | 0.00% | −5,736−24.2% | Reduced |
| Resources Investment Advisors, LLC. | 18,300 | $41.2K | 0.00% | 00.0% | Unchanged |
| Golden State Equity Partners | 19,900 | $44.8K | 0.01% | −2,700−11.9% | Reduced |
| Quadrature Capital Ltd | 22,687 | $51.2K | 0.00% | +22,687 | New |
| Centiva Capital, LP | 25,000 | $56.3K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 29,300 | $65.9K | 0.00% | +29,300 | New |
| Avanza Fonder AB | 28,121 | $66.6K | 0.00% | +8,521+43.5% | Added |
| Group One Trading, L.P. | 34,281 | $77.1K | 0.00% | +34,281 | New |
| Point72 Asset Management, L.P. | 35,816 | $80.6K | 0.00% | +35,816 | New |
| PFG Investments, LLC | 37,433 | $84.2K | 0.01% | −2,000−5.1% | Reduced |
| Ameriprise Financial Inc | 39,030 | $87.8K | 0.00% | −55,426−58.7% | Reduced |
| Clear Harbor Asset Management, LLC | 42,000 | $94.5K | 0.01% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 44,007 | $99.0K | 0.03% | +44,007 | New |
| State Street Corp | 45,659 | $102.7K | 0.00% | −1,426−3.0% | Reduced |
| Forefront Analytics, LLC | 47,630 | $107.3K | 0.12% | +12,877+37.1% | Added |
| Graham Capital Management, L.P. | 49,418 | $111.2K | 0.00% | +27,229+122.7% | Added |
| Diadema Partners LP | 492,215 | $168.5K | 0.13% | +492,215 | New |
| J. Goldman & Co LP | 79,387 | $178.6K | 0.01% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 92,156 | $207.4K | 0.00% | 00.0% | Unchanged |
| BIT Capital GmbH | 101,070 | $227.4K | 0.03% | +101,070 | New |
| Caption Management, LLC | 104,783 | $235.8K | 0.01% | +104,783 | New |
| Persistent Asset Partners Ltd | 113,247 | $254.8K | 0.22% | +113,247 | New |
| Jane Street Group, LLC | 144,803 | $325.8K | 0.00% | +24,525+20.4% | Added |
| Susquehanna International Group, LLP | 174,378 | $392.4K | 0.00% | −217,212−55.5% | Reduced |
| Two Sigma Investments, LP | 245,206 | $551.7K | 0.00% | +176,471+256.7% | Added |
| Knoll Capital Management, LLC | 260,470 | $586.1K | 0.38% | 00.0% | Unchanged |
| BlackRock, Inc. | 274,361 | $617.3K | 0.00% | +1,342+0.5% | Added |
| Knott David M Jr | 319,337 | $718.5K | 0.34% | −11,663−3.5% | Reduced |
| Citadel Advisors LLC | 343,653 | $773.2K | 0.00% | +29,703+9.5% | Added |
| Cantor Fitzgerald, L. P. | 355,000 | $798.8K | 0.03% | +130,000+57.8% | Added |
| HealthInvest Partners AB | 390,000 | $877.5K | 0.39% | 00.0% | Unchanged |
| Millennium Management LLC | 394,431 | $887.5K | 0.00% | −3,571,001−90.1% | Reduced |
| Monaco Asset Management SAM | 416,468 | $937.1K | 0.47% | +35,000+9.2% | Added |
| Artia Global Partners LP | 421,359 | $948.1K | 0.28% | 00.0% | Unchanged |
| Bank of America Corp | 438,670 | $987.0K | 0.00% | +436,350+18,808.2% | Added |
| Hudson Bay Capital Management LP | 450,000 | $1.01M | 0.01% | +135,000+42.9% | Added |
| Tema ETFs LLC | 654,666 | $1.47M | 0.44% | −235,882−26.5% | Reduced |
| NEOS Investment Management LLC | 654,666 | $1.47M | 0.03% | −169,937−20.6% | Reduced |
| Soleus Capital Management, L.P. | 686,953 | $1.55M | 0.12% | −100,000−12.7% | Reduced |
| FMR LLC | 759,100 | $1.71M | 0.00% | +759,100 | New |
| Marshall Wace, LLP | 767,744 | $1.73M | 0.00% | −98,573−11.4% | Reduced |
| Acuta Capital Partners, LLC | 791,815 | $1.78M | 2.07% | +12,507+1.6% | Added |
| Integral Health Asset Management, LLC | 800,000 | $1.80M | 0.20% | −200,000−20.0% | Reduced |
| Perceptive Advisors LLC | 876,961 | $1.97M | 0.07% | −208,551−19.2% | Reduced |
| UBS Group AG | 932,021 | $2.10M | 0.00% | −1,716,119−64.8% | Reduced |
| Woodline Partners LP | 947,986 | $2.13M | 0.01% | +329,202+53.2% | Added |
| Great Point Partners LLC | 1,275,000 | $2.87M | 1.56% | +125,000+10.9% | Added |
| Renaissance Technologies LLC | 1,350,471 | $3.04M | 0.00% | +161,000+13.5% | Added |
| UBS Asset Management Americas Inc | 1,569,100 | $3.53M | 0.00% | +604,200+62.6% | Added |
| Schonfeld Strategic Advisors LLC | 1,591,056 | $3.58M | 0.02% | +1,097,156+222.1% | Added |
| Adage Capital Partners GP, L.L.C. | 1,700,756 | $3.83M | 0.01% | −7,014,257−80.5% | Reduced |
| Goldman Sachs Group Inc | 2,125,920 | $4.78M | 0.00% | +6,068+0.3% | Added |
| Morgan Stanley | 2,179,642 | $4.90M | 0.00% | −1,374,592−38.7% | Reduced |
| Standard Life Aberdeen plc | 2,188,354 | $4.92M | 0.01% | +2,188,354 | New |
| Tejara Capital Ltd | 2,521,324 | $5.67M | 2.80% | +204,239+8.8% | Added |
| Clearline Capital LP | 3,217,894 | $7.24M | 0.73% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 4,635,000 | $10.4M | 1.06% | +85,000+1.9% | Added |
| Alkeon Capital Management LLC | 4,698,100 | $10.6M | 0.06% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 6,684,247 | $15.0M | 0.86% | −2,914,923−30.4% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 6,710,429 | $15.1M | 0.30% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 7,819,863 | $17.6M | 0.80% | +2,722,084+53.4% | Added |
| Mangrove Partners | 8,636,485 | $19.4M | 2.19% | 00.0% | Unchanged |
| Rubric Capital Management LP | 15,307,347 | $34.4M | 0.62% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 22,735,121 | $52.4M | 0.03% | +5,612,558+32.8% | Added |
| Eversept Partners, LP | 0 | $0 | 0.00% | −777,890−100.0% | Sold out |
| Blue Owl Capital Holdings LP | 0 | $0 | 0.00% | −672,809−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −237,777−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −169,977−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −129,629−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −37,974−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −19,060−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −16,435−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −11,116−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −1,665−100.0% | Sold out |