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, Q3 2021
Institutional positions in Mereo BioPharma Group plc as of Sep 30, 2021. 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
- 63
- −9 vs. Q2 2021
- Shares held
- 88.4M
- +15.1M (+20.6%) vs. Q2 2021
- Total value
- $212.2M
- −$72.2M (−25.4%) vs. Q2 2021
- New holders
- 8
- 16 more added
- Sold out
- 17
- 19 more reduced
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Signaturefd, LLC | 138 | $0 | 0.00% | −26−15.9% | Reduced |
| Rockefeller Capital Management L.P. | 358 | $0 | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 48 | $0 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 629 | $2.00K | 0.00% | +629 | New |
| Total Clarity Wealth Management, Inc. | 2,375 | $6.00K | 0.00% | +2,375 | New |
| JPMorgan Chase & Co | 3,000 | $7.00K | 0.00% | +3,000 | New |
| Wells Fargo & Company | 3,230 | $8.00K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 3,826 | $9.00K | 0.00% | −7,600−66.5% | Reduced |
| Newbridge Financial Services Group, Inc. | 4,000 | $10.0K | 0.01% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 4,000 | $10.0K | 0.00% | +4,000 | New |
| Royal Bank of Canada | 7,500 | $18.0K | 0.00% | +7,475+29,900.0% | Added |
| UBS Group AG | 9,949 | $24.0K | 0.00% | +9,019+969.8% | Added |
| CSS LLC | 10,735 | $26.0K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 12,202 | $30.0K | 0.00% | +12,202 | New |
| Simplex Trading, LLC | 11,413 | $35.0K | 0.00% | −5,122−31.0% | Reduced |
| BlackRock Inc. | 14,300 | $35.0K | 0.00% | +1,341+10.3% | Added |
| Oppenheimer & Co Inc | 19,000 | $46.0K | 0.00% | +19,000 | New |
| Barclays PLC | 20,000 | $48.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 20,312 | $49.0K | 0.00% | +4,595+29.2% | Added |
| Morgan Stanley | 21,142 | $51.0K | 0.00% | −34,449−62.0% | Reduced |
| Valeo Financial Advisors, LLC | 22,506 | $54.0K | 0.00% | −10,000−30.8% | Reduced |
| Jump Financial, LLC | 32,788 | $79.0K | 0.01% | −118,912−78.4% | Reduced |
| Personal Cfo Solutions, LLC | 33,388 | $81.0K | 0.02% | 00.0% | Unchanged |
| Insight Advisors, LLC | 35,275 | $84.0K | 0.03% | −130,550−78.7% | Reduced |
| Resources Investment Advisors, LLC. | 36,043 | $87.0K | 0.00% | +23,043+177.3% | Added |
| Susquehanna International Group, LLP | 38,582 | $93.0K | 0.00% | +17,453+82.6% | Added |
| Bank of America Corp | 40,840 | $99.0K | 0.00% | −13,593−25.0% | Reduced |
| Logos Global Management LP | 46,984 | $114.0K | 0.01% | 00.0% | Unchanged |
| HSBC Holdings PLC | 58,217 | $137.0K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 58,000 | $140.0K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 87,420 | $212.0K | 0.01% | −40,628−31.7% | Reduced |
| Geode Capital Management, LLC | 96,630 | $233.0K | 0.00% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 903,680 | $322.0K | 0.07% | −40,628−4.3% | Reduced |
| Susquehanna Fundamental Investments, LLC | 185,500 | $449.0K | 0.01% | +127,300+218.7% | Added |
| J. Goldman & Co LP | 241,413 | $584.0K | 0.05% | −385,008−61.5% | Reduced |
| Delphi Management Partners VIII, L.L.C. | 256,734 | $621.0K | 0.45% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 292,692 | $708.0K | 0.00% | −2,166,707−88.1% | Reduced |
| Primecap Management Co | 339,600 | $822.0K | 0.00% | −149,338−30.5% | Reduced |
| Silverarc Capital Management, LLC | 365,661 | $885.0K | 0.51% | −40,210−9.9% | Reduced |
| Renaissance Technologies LLC | 398,900 | $965.0K | 0.00% | +113,800+39.9% | Added |
| State Street Corp | 412,768 | $1.00M | 0.00% | +334,568+427.8% | Added |
| Affinity Asset Advisors, LLC | 650,000 | $1.57M | 0.63% | 00.0% | Unchanged |
| Endurant Capital Management LP | 746,514 | $1.81M | 0.55% | −10,401−1.4% | Reduced |
| Monashee Investment Management LLC | 800,000 | $1.94M | 0.36% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 820,793 | $1.99M | 0.02% | −504,260−38.1% | Reduced |
| Eversept Partners, LP | 899,569 | $2.18M | 0.17% | +899,569 | New |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $2.42M | 0.00% | +1,000,000 | New |
| DAFNA Capital Management LLC | 1,126,613 | $2.73M | 0.72% | 00.0% | Unchanged |
| Altium Capital Management LP | 1,250,000 | $3.02M | 0.81% | 00.0% | Unchanged |
| Millennium Management LLC | 1,434,544 | $3.47M | 0.00% | −229,406−13.8% | Reduced |
| Artal Group S.A. | 1,500,000 | $3.63M | 0.09% | 00.0% | Unchanged |
| Tekla Capital Management LLC | 1,551,082 | $3.75M | 0.12% | +506,292+48.5% | Added |
| Alkeon Capital Management LLC | 1,935,600 | $4.68M | 0.02% | 00.0% | Unchanged |
| Commodore Capital LP | 1,972,958 | $4.78M | 1.26% | −86,771−4.2% | Reduced |
| Holocene Advisors, LP | 2,137,219 | $5.17M | 0.03% | +187,482+9.6% | Added |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 2,976,121 | $7.20M | 0.09% | 00.0% | Unchanged |
| Citadel Advisors LLC | 4,074,620 | $9.86M | 0.01% | +1,120,552+37.9% | Added |
| Rock Springs Capital Management LP | 4,832,978 | $11.7M | 0.25% | +290,209+6.4% | Added |
| Vivo Capital, LLC | 6,907,189 | $16.7M | 0.75% | +2,686,251+63.6% | Added |
| Suvretta Capital Management, LLC | 9,142,067 | $22.1M | 0.38% | +492,767+5.7% | Added |
| Point72 Asset Management, L.P. | 9,975,000 | $24.1M | 0.11% | −132,189−1.3% | Reduced |
| Rubric Capital Management LP | 11,300,000 | $27.3M | 1.57% | +5,639,392+99.6% | Added |
| OrbiMed Advisors LLC | 17,264,764 | $41.8M | 0.46% | – | – |
| Boxer Capital, LLC | 0 | $0 | 0.00% | −6,226,673−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −1,696,068−100.0% | Sold out |
| Asymmetry Capital Management, L.P. | 0 | $0 | 0.00% | −1,618,328−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −1,253,729−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −269,390−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −196,570−100.0% | Sold out |
| HealthCor Management, L.P. | 0 | $0 | 0.00% | −149,170−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −44,682−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −27,400−100.0% | Sold out |
| Windsor Creek Advisors, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −14,276−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −12,686−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −3,657−100.0% | Sold out |
| Endurance Wealth Management, Inc. | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Sit Investment Associates Inc | 0 | $0 | 0.00% | −970−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |