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