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 2021
Institutional positions in Mereo BioPharma Group plc as of Dec 31, 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
- 73
- +11 vs. Q3 2021
- Shares held
- 74.4M
- −13.7M (−15.6%) vs. Q3 2021
- Total value
- $145.7M
- −$65.9M (−31.1%) vs. Q3 2021
- New holders
- 20
- 18 more added
- Sold out
- 9
- 16 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wells Fargo & Company | 230 | $0 | 0.00% | −3,000−92.9% | Reduced |
| Plante Moran Financial Advisors, LLC | 48 | $0 | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 358 | $0 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 13 | $0 | 0.00% | +13 | New |
| Sit Investment Associates Inc | 970 | $2.00K | 0.00% | +970 | New |
| Total Clarity Wealth Management, Inc. | 2,000 | $3.00K | 0.00% | −375−15.8% | Reduced |
| JNBA Financial Advisors | 2,000 | $3.00K | 0.00% | +2,000 | New |
| Citigroup Inc | 3,375 | $5.00K | 0.00% | +3,375 | New |
| SRS Capital Advisors, Inc. | 4,000 | $6.00K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 4,000 | $6.00K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 5,100 | $8.00K | 0.02% | +5,100 | New |
| CSS LLC | 10,735 | $17.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 12,794 | $21.0K | 0.00% | +9,794+326.5% | Added |
| Two Sigma Advisers, LP | 15,100 | $24.0K | 0.00% | +15,100 | New |
| Insight Advisors, LLC | 15,712 | $25.0K | 0.01% | −19,563−55.5% | Reduced |
| ProShare Advisors LLC | 15,646 | $25.0K | 0.00% | +15,646 | New |
| Clear Harbor Asset Management, LLC | 17,000 | $27.0K | 0.00% | +17,000 | New |
| Group One Trading, L.P. | 18,294 | $29.0K | 0.00% | +14,468+378.1% | Added |
| Two Sigma Securities, LLC | 17,899 | $29.0K | 0.01% | +17,899 | New |
| Wealthspire Advisors, LLC | 19,276 | $31.0K | 0.00% | +19,276 | New |
| Oppenheimer & Co Inc | 20,000 | $32.0K | 0.00% | +1,000+5.3% | Added |
| Golden State Equity Partners | 20,300 | $32.0K | 0.02% | +20,300 | New |
| HRT Financial LP | 20,763 | $33.0K | 0.00% | +20,763 | New |
| UBS Group AG | 23,306 | $37.0K | 0.00% | +13,357+134.3% | Added |
| Personal Cfo Solutions, LLC | 25,888 | $41.0K | 0.01% | −7,500−22.5% | Reduced |
| Tower Research Capital LLC (TRC) | 33,681 | $54.0K | 0.00% | +33,052+5,254.7% | Added |
| Bluefin Capital Management, LLC | 37,300 | $60.0K | 0.00% | +37,300 | New |
| Resources Investment Advisors, LLC. | 43,773 | $70.0K | 0.00% | +7,730+21.4% | Added |
| Logos Global Management LP | 46,984 | $75.0K | 0.01% | 00.0% | Unchanged |
| Shay Capital LLC | 48,052 | $77.0K | 0.03% | +48,052 | New |
| Legal & General Group Plc | 52,179 | $84.0K | 0.00% | +31,867+156.9% | Added |
| Bessemer Group Inc | 58,000 | $93.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 58,217 | $95.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 61,937 | $99.0K | 0.00% | +23,355+60.5% | Added |
| Virtu Financial LLC | 63,045 | $101.0K | 0.01% | +50,843+416.7% | Added |
| J. Goldman & Co LP | 67,501 | $108.0K | 0.01% | −173,912−72.0% | Reduced |
| Bank of America Corp | 71,282 | $114.0K | 0.00% | +30,442+74.5% | Added |
| Boothbay Fund Management, LLC | 82,583 | $132.0K | 0.00% | −4,837−5.5% | Reduced |
| Geode Capital Management, LLC | 96,630 | $154.0K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 98,288 | $157.0K | 0.00% | +98,288 | New |
| Simplex Trading, LLC | 111,083 | $177.0K | 0.01% | +99,670+873.3% | Added |
| Susquehanna Fundamental Investments, LLC | 177,300 | $284.0K | 0.01% | −8,200−4.4% | Reduced |
| Ikarian Capital, LLC | 853,680 | $307.0K | 0.09% | −50,000−5.5% | Reduced |
| Morgan Stanley | 208,668 | $334.0K | 0.00% | +187,526+887.0% | Added |
| Connacht Asset Management LP | 213,351 | $341.0K | 0.39% | +213,351 | New |
| Renaissance Technologies LLC | 220,600 | $353.0K | 0.00% | −178,300−44.7% | Reduced |
| Silverarc Capital Management, LLC | 233,183 | $373.0K | 0.17% | −132,478−36.2% | Reduced |
| Eversept Partners, LP | 259,470 | $415.2K | 0.03% | −640,099−71.2% | Reduced |
| Maven Securities LTD | 315,457 | $505.0K | 0.06% | +315,457 | New |
| Primecap Management Co | 332,200 | $532.0K | 0.00% | −7,400−2.2% | Reduced |
| Sender Co & Partners, Inc. | 333,904 | $534.0K | 0.34% | +333,904 | New |
| Barclays PLC | 372,794 | $596.0K | 0.00% | +352,794+1,764.0% | Added |
| State Street Corp | 412,768 | $660.0K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 470,872 | $753.0K | 0.00% | +456,572+3,192.8% | Added |
| Clearline Capital LP | 686,292 | $1.10M | 0.15% | +686,292 | New |
| Goldman Sachs Group Inc | 712,363 | $1.14M | 0.00% | +712,363 | New |
| Schonfeld Strategic Advisors LLC | 720,793 | $1.15M | 0.01% | −100,000−12.2% | Reduced |
| Millennium Management LLC | 951,034 | $1.52M | 0.00% | −483,510−33.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $1.60M | 0.00% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 1,126,613 | $1.80M | 0.45% | 00.0% | Unchanged |
| Artal Group S.A. | 1,500,000 | $2.40M | 0.07% | 00.0% | Unchanged |
| Tekla Capital Management LLC | 1,551,082 | $2.48M | 0.08% | 00.0% | Unchanged |
| Alkeon Capital Management LLC | 1,935,600 | $3.10M | 0.01% | 00.0% | Unchanged |
| Commodore Capital LP | 1,954,970 | $3.13M | 0.72% | −17,988−0.9% | Reduced |
| Holocene Advisors, LP | 2,463,114 | $3.94M | 0.02% | +325,895+15.2% | Added |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 2,976,121 | $4.76M | 0.07% | 00.0% | Unchanged |
| Citadel Advisors LLC | 4,000,814 | $6.40M | 0.01% | −73,806−1.8% | Reduced |
| Rock Springs Capital Management LP | 5,585,621 | $8.94M | 0.21% | +752,643+15.6% | Added |
| Vivo Capital, LLC | 6,907,189 | $11.1M | 0.67% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 9,142,067 | $14.6M | 0.28% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 10,610,000 | $17.0M | 0.08% | +635,000+6.4% | Added |
| Rubric Capital Management LP | 14,914,447 | $23.9M | 1.13% | +3,614,447+32.0% | Added |
| OrbiMed Advisors LLC | – | $27.6M | 0.36% | – | – |
| Altium Capital Management LP | 0 | $0 | 0.00% | −1,250,000−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −800,000−100.0% | Sold out |
| Endurant Capital Management LP | 0 | $0 | 0.00% | −746,514−100.0% | Sold out |
| Affinity Asset Advisors, LLC | 0 | $0 | 0.00% | −650,000−100.0% | Sold out |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −292,692−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −32,788−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −22,506−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −138−100.0% | Sold out |
| Delphi Management Partners VIII, L.L.C. | – | – | – | – | Not filed |