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 2022
Institutional positions in Mereo BioPharma Group plc as of Dec 31, 2022. 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
- 61
- −2 vs. Q3 2022
- Shares held
- 61.6M
- −6.42M (−9.4%) vs. Q3 2022
- Total value
- $46.2M
- −$12.4M (−21.2%) vs. Q3 2022
- New holders
- 6
- 15 more added
- Sold out
- 8
- 14 more reduced
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| OrbiMed Advisors LLC | 10,605,522 | $7.95M | 0.15% | 00.0% | Unchanged |
| Rubric Capital Management LP | 10,366,120 | $7.77M | 0.34% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 7,364,438 | $5.52M | 0.23% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 6,244,897 | $4.68M | 0.11% | 00.0% | Unchanged |
| Citadel Advisors LLC | 3,062,332 | $2.30M | 0.00% | −13,555−0.4% | Reduced |
| Goldman Sachs Group Inc | 2,294,766 | $1.72M | 0.00% | +1,585,640+223.6% | Added |
| Boxer Capital, LLC | 2,250,000 | $1.69M | 0.09% | 00.0% | Unchanged |
| Tejara Capital Ltd | 2,188,606 | $1.64M | 0.95% | +2,188,606 | New |
| Alkeon Capital Management LLC | 2,135,600 | $1.60M | 0.01% | 00.0% | Unchanged |
| Clearline Capital LP | 2,052,709 | $1.54M | 0.28% | −1,904,426−48.1% | Reduced |
| Monaco Asset Management SAM | 2,049,661 | $1.54M | 0.55% | +1,863,005+998.1% | Added |
| Tekla Capital Management LLC | 1,551,082 | $1.16M | 0.04% | 00.0% | Unchanged |
| Artal Group S.A. | 1,500,000 | $1.13M | 0.06% | 00.0% | Unchanged |
| Millennium Management LLC | 1,311,349 | $984.0K | 0.00% | +57,738+4.6% | Added |
| Renaissance Technologies LLC | 1,257,369 | $943.0K | 0.00% | +23,755+1.9% | Added |
| DAFNA Capital Management LLC | 1,096,513 | $822.4K | 0.23% | 00.0% | Unchanged |
| Octagon Capital Advisors LP | 1,000,000 | $750.0K | 0.12% | 00.0% | Unchanged |
| Toroso Investments, LLC | 313,128 | $235.0K | 0.01% | +31,310+11.1% | Added |
| J. Goldman & Co LP | 310,500 | $232.9K | 0.02% | 00.0% | Unchanged |
| Primecap Management Co | 297,230 | $222.9K | 0.00% | −17,530−5.6% | Reduced |
| Formidable Asset Management, LLC | 288,080 | $216.0K | 0.05% | +6,262+2.2% | Added |
| Jane Street Group, LLC | 192,962 | $144.7K | 0.00% | +19,176+11.0% | Added |
| Privium Fund Management (UK) Ltd | 177,200 | $132.9K | 0.10% | 00.0% | Unchanged |
| Barclays PLC | 166,641 | $125.0K | 0.00% | +127,171+322.2% | Added |
| Schonfeld Strategic Advisors LLC | 156,000 | $117.0K | 0.00% | +4,600+3.0% | Added |
| Ergoteles LLC | 132,784 | $99.6K | 0.00% | +132,784 | New |
| UBS Group AG | 128,541 | $96.4K | 0.00% | −38,964−23.3% | Reduced |
| 683 Capital Management, LLC | 125,000 | $93.8K | 0.01% | +125,000 | New |
| JPMorgan Chase & Co | 145,259 | $77.0K | 0.00% | +132,757+1,061.9% | Added |
| Geode Capital Management, LLC | 96,630 | $72.0K | 0.00% | 00.0% | Unchanged |
| Clear Harbor Asset Management, LLC | 84,000 | $63.0K | 0.01% | −61,000−42.1% | Reduced |
| Forefront Analytics, LLC | 73,500 | $55.1K | 0.03% | −39,300−34.8% | Reduced |
| Gsa Capital Partners LLP | 72,740 | $55.0K | 0.01% | +72,740 | New |
| Bank of America Corp | 67,530 | $50.6K | 0.00% | +34,805+106.4% | Added |
| Bessemer Group Inc | 58,000 | $44.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 58,217 | $43.1K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 45,074 | $33.8K | 0.00% | −16,814−27.2% | Reduced |
| Envestnet Asset Management Inc | 37,367 | $28.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 27,449 | $20.6K | 0.00% | −121,642−81.6% | Reduced |
| Creative Planning | 25,820 | $19.4K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 25,000 | $18.8K | 0.00% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 24,000 | $18.0K | 0.00% | −2,000−7.7% | Reduced |
| Virtu Financial LLC | 19,745 | $15.0K | 0.00% | −14,135−41.7% | Reduced |
| Level Four Advisory Services, LLC | 20,000 | $15.0K | 0.00% | 00.0% | Unchanged |
| TCWP LLC | 19,000 | $14.3K | 0.00% | +9,000+90.0% | Added |
| Tower Research Capital LLC (TRC) | 15,129 | $11.0K | 0.00% | +2,562+20.4% | Added |
| Susquehanna International Group, LLP | 13,100 | $9.82K | 0.00% | −38,825−74.8% | Reduced |
| CSS LLC | 10,735 | $8.05K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 6,190 | $4.00K | 0.00% | +4,328+232.4% | Added |
| SRS Capital Advisors, Inc. | 4,000 | $3.00K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 4,000 | $3.00K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,547 | $1.16K | 0.00% | −17,368−91.8% | Reduced |
| Allworth Financial LP | 1,500 | $1.13K | 0.00% | +1,500 | New |
| Sit Investment Associates Inc | 970 | $1.00K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 561 | $421 | 0.00% | +24+4.5% | Added |
| New England Capital Financial Advisors LLC | 300 | $291 | 0.00% | +300 | New |
| Wells Fargo & Company | 230 | $173 | 0.00% | −500−68.5% | Reduced |
| Plante Moran Financial Advisors, LLC | 48 | $36 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 13 | $10 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 30 | $0 | 0.00% | −215−87.8% | Reduced |
| Rockefeller Capital Management L.P. | 358 | $0 | 0.00% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −9,829,354−100.0% | Sold out |
| BlackRock Inc. | 0 | $0 | 0.00% | −657,182−100.0% | Sold out |
| MYDA Advisors LLC | 0 | $0 | 0.00% | −21,502−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −19,211−100.0% | Sold out |
| Resources Investment Advisors, LLC. | 0 | $0 | 0.00% | −19,362−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −10,043−100.0% | Sold out |
| China Universal Asset Management Co., Ltd. | 0 | $0 | 0.00% | −1,095−100.0% | Sold out |
| Axiom Investment Management LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |