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 2024
Institutional positions in Mereo BioPharma Group plc as of Dec 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
- 91
- +14 vs. Q3 2024
- Shares held
- 115.2M
- +9.45M (+8.9%) vs. Q3 2024
- Total value
- $403.1M
- −$31.7M (−7.3%) vs. Q3 2024
- New holders
- 21
- 19 more added
- Sold out
- 7
- 26 more reduced
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 17,122,563 | $59.8M | 0.03% | +4,776,697+38.7% | Added |
| Rubric Capital Management LP | 15,307,347 | $53.6M | 0.97% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 9,599,170 | $33.6M | 1.28% | +65,000+0.7% | Added |
| Adage Capital Partners GP, L.L.C. | 8,715,013 | $30.5M | 0.05% | −1,000,000−10.3% | Reduced |
| Mangrove Partners | 8,636,485 | $30.2M | 3.61% | −93,235−1.1% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 6,710,429 | $23.5M | 0.45% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 5,097,779 | $17.8M | 0.74% | 00.0% | Unchanged |
| Alkeon Capital Management LLC | 4,698,100 | $16.4M | 0.10% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 4,550,000 | $15.9M | 1.57% | −299,800−6.2% | Reduced |
| Millennium Management LLC | 3,965,432 | $13.9M | 0.01% | −1,429,259−26.5% | Reduced |
| Morgan Stanley | 3,554,234 | $12.4M | 0.00% | +1,206,409+51.4% | Added |
| Clearline Capital LP | 3,217,894 | $11.3M | 1.49% | −26,440−0.8% | Reduced |
| UBS Group AG | 2,648,140 | $9.27M | 0.00% | +2,648,140 | New |
| Tejara Capital Ltd | 2,317,085 | $8.11M | 5.32% | −512,905−18.1% | Reduced |
| Goldman Sachs Group Inc | 2,119,852 | $7.42M | 0.00% | +111,471+5.6% | Added |
| Renaissance Technologies LLC | 1,189,471 | $4.16M | 0.01% | −115,900−8.9% | Reduced |
| Great Point Partners LLC | 1,150,000 | $4.03M | 1.90% | +1,150,000 | New |
| Perceptive Advisors LLC | 1,085,512 | $3.80M | 0.11% | +269,790+33.1% | Added |
| Integral Health Asset Management, LLC | 1,000,000 | $3.50M | 0.31% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 964,900 | $3.38M | 0.00% | +964,900 | New |
| Tema ETFs LLC | 890,548 | $3.12M | 1.29% | +890,548 | New |
| Marshall Wace, LLP | 866,317 | $3.03M | 0.00% | −162,195−15.8% | Reduced |
| NEOS Investment Management LLC | 824,603 | $2.89M | 0.07% | −10,591−1.3% | Reduced |
| Soleus Capital Management, L.P. | 786,953 | $2.75M | 0.21% | −60,000−7.1% | Reduced |
| Acuta Capital Partners, LLC | 779,308 | $2.73M | 2.74% | −481,392−38.2% | Reduced |
| Eversept Partners, LP | 777,890 | $2.72M | 0.28% | 00.0% | Unchanged |
| Blue Owl Capital Holdings LP | 672,809 | $2.35M | 0.56% | −175,000−20.6% | Reduced |
| Woodline Partners LP | 618,784 | $2.17M | 0.01% | +618,784 | New |
| Schonfeld Strategic Advisors LLC | 493,900 | $1.73M | 0.01% | +493,900 | New |
| Artia Global Partners LP | 421,359 | $1.47M | 0.59% | 00.0% | Unchanged |
| HealthInvest Partners AB | 390,000 | $1.37M | 0.65% | +190,000+95.0% | Added |
| Susquehanna International Group, LLP | 391,590 | $1.37M | 0.00% | +5,160+1.3% | Added |
| Monaco Asset Management SAM | 381,468 | $1.34M | 0.59% | −3,067−0.8% | Reduced |
| Knott David M Jr | 331,000 | $1.16M | 0.42% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 315,000 | $1.10M | 0.01% | +140,000+80.0% | Added |
| Citadel Advisors LLC | 313,950 | $1.10M | 0.00% | +183,692+141.0% | Added |
| BlackRock, Inc. | 273,019 | $955.6K | 0.00% | +258,698+1,806.4% | Added |
| Knoll Capital Management, LLC | 260,470 | $911.6K | 0.59% | 00.0% | Unchanged |
| Verition Fund Management LLC | 237,777 | $832.2K | 0.00% | +127,773+116.2% | Added |
| Cantor Fitzgerald, L. P. | 225,000 | $788.1K | 0.03% | +225,000 | New |
| Polar Asset Management Partners Inc. | 169,977 | $594.9K | 0.01% | −28,323−14.3% | Reduced |
| Walleye Capital LLC | 129,629 | $453.7K | 0.00% | +129,629 | New |
| Jane Street Group, LLC | 120,278 | $421.0K | 0.00% | −94,357−44.0% | Reduced |
| Ameriprise Financial Inc | 94,456 | $330.6K | 0.00% | +61,642+187.9% | Added |
| Geode Capital Management, LLC | 92,156 | $322.5K | 0.00% | 00.0% | Unchanged |
| J. Goldman & Co LP | 79,387 | $277.9K | 0.01% | −175,503−68.9% | Reduced |
| Two Sigma Investments, LP | 68,735 | $240.6K | 0.00% | −65,578−48.8% | Reduced |
| Simplex Trading, LLC | 55,099 | $192.0K | 0.01% | +21,244+62.7% | Added |
| State Street Corp | 47,085 | $164.8K | 0.00% | −476−1.0% | Reduced |
| Clear Harbor Asset Management, LLC | 42,000 | $147.0K | 0.01% | −1,500−3.4% | Reduced |
| PFG Investments, LLC | 39,433 | $138.0K | 0.01% | +22,433+132.0% | Added |
| XTX Topco Ltd | 37,974 | $132.9K | 0.01% | +37,974 | New |
| Forefront Analytics, LLC | 34,753 | $121.6K | 0.06% | +953+2.8% | Added |
| Centiva Capital, LP | 25,000 | $87.5K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 23,667 | $82.8K | 0.00% | +2,842+13.6% | Added |
| Golden State Equity Partners | 22,600 | $79.1K | 0.02% | −6,500−22.3% | Reduced |
| Graham Capital Management, L.P. | 22,189 | $77.7K | 0.00% | +9,490+74.7% | Added |
| Avanza Fonder AB | 19,600 | $68.6K | 0.00% | +19,600 | New |
| Virtus ETF Advisers LLC | 19,060 | $66.7K | 0.03% | +19,060 | New |
| Resources Investment Advisors, LLC. | 18,300 | $64.0K | 0.00% | 00.0% | Unchanged |
| Sheets Smith Investment Management | 16,890 | $59.1K | 0.05% | +16,890 | New |
| Manufacturers Life Insurance Company, The | 16,435 | $57.5K | 0.00% | +1,666+11.3% | Added |
| HSBC Holdings PLC | 13,577 | $47.5K | 0.00% | −15,000−52.5% | Reduced |
| Jump Financial, LLC | 11,116 | $38.9K | 0.00% | +11,116 | New |
| Significant Wealth Partners LLC | 10,805 | $37.8K | 0.02% | +10,805 | New |
| Newbridge Financial Services Group, Inc. | 10,700 | $37.5K | 0.01% | +10,700 | New |
| Level Four Advisory Services, LLC | 10,000 | $35.0K | 0.00% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 10,000 | $35.0K | 0.01% | 00.0% | Unchanged |
| Marex Group plc | 10,000 | $35.0K | 0.00% | +10,000 | New |
| GAMMA Investing LLC | 9,001 | $31.5K | 0.00% | −1,692−15.8% | Reduced |
| Rhumbline Advisers | 7,237 | $25.3K | 0.00% | −36−0.5% | Reduced |
| SRS Capital Advisors, Inc. | 4,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 2,320 | $8.12K | 0.00% | −215,237−98.9% | Reduced |
| Lindbrook Capital, LLC | 1,665 | $5.83K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 1,500 | $5.25K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,500 | $4.38K | 0.00% | 00.0% | Unchanged |
| BFSG, LLC | 1,000 | $3.50K | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 970 | $3.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 679 | $2.38K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 365 | $1.28K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 320 | $1.12K | 0.00% | +320 | New |
| MAI Capital Management | 309 | $1.08K | 0.00% | +309 | New |
| New England Capital Financial Advisors LLC | 300 | $1.05K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 229 | $802 | 0.00% | −1−0.4% | Reduced |
| GeoWealth Management, LLC | 158 | $554 | 0.00% | +144+1,028.6% | Added |
| Advisor Group Holdings, Inc. | 129 | $452 | 0.00% | +129 | New |
| Transce3nd, LLC | 127 | $445 | 0.00% | +127 | New |
| Cranbrook Wealth Management, LLC | 60 | $210 | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 32 | $112 | 0.00% | +32 | New |
| US Bancorp | 13 | $46 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 3 | $10 | 0.00% | −1,400−99.8% | Reduced |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −102,582−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −67,069−100.0% | Sold out |
| Primecap Management Co | 0 | $0 | 0.00% | −54,000−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −49,687−100.0% | Sold out |
| Advisors Preferred, LLC | 0 | $0 | 0.00% | −18,188−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −645−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |