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 |
|---|---|---|---|---|---|
| OrbiMed Advisors LLC | – | $27.6M | 0.36% | – | – |
| Rubric Capital Management LP | 14,914,447 | $23.9M | 1.13% | +3,614,447+32.0% | Added |
| Point72 Asset Management, L.P. | 10,610,000 | $17.0M | 0.08% | +635,000+6.4% | Added |
| Suvretta Capital Management, LLC | 9,142,067 | $14.6M | 0.28% | 00.0% | Unchanged |
| Vivo Capital, LLC | 6,907,189 | $11.1M | 0.67% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 5,585,621 | $8.94M | 0.21% | +752,643+15.6% | Added |
| Citadel Advisors LLC | 4,000,814 | $6.40M | 0.01% | −73,806−1.8% | Reduced |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 2,976,121 | $4.76M | 0.07% | 00.0% | Unchanged |
| Holocene Advisors, LP | 2,463,114 | $3.94M | 0.02% | +325,895+15.2% | Added |
| Commodore Capital LP | 1,954,970 | $3.13M | 0.72% | −17,988−0.9% | Reduced |
| Alkeon Capital Management LLC | 1,935,600 | $3.10M | 0.01% | 00.0% | Unchanged |
| Tekla Capital Management LLC | 1,551,082 | $2.48M | 0.08% | 00.0% | Unchanged |
| Artal Group S.A. | 1,500,000 | $2.40M | 0.07% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 1,126,613 | $1.80M | 0.45% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $1.60M | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 951,034 | $1.52M | 0.00% | −483,510−33.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 720,793 | $1.15M | 0.01% | −100,000−12.2% | Reduced |
| Goldman Sachs Group Inc | 712,363 | $1.14M | 0.00% | +712,363 | New |
| Clearline Capital LP | 686,292 | $1.10M | 0.15% | +686,292 | New |
| BlackRock Inc. | 470,872 | $753.0K | 0.00% | +456,572+3,192.8% | Added |
| State Street Corp | 412,768 | $660.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 372,794 | $596.0K | 0.00% | +352,794+1,764.0% | Added |
| Sender Co & Partners, Inc. | 333,904 | $534.0K | 0.34% | +333,904 | New |
| Primecap Management Co | 332,200 | $532.0K | 0.00% | −7,400−2.2% | Reduced |
| Maven Securities LTD | 315,457 | $505.0K | 0.06% | +315,457 | New |
| Eversept Partners, LP | 259,470 | $415.2K | 0.03% | −640,099−71.2% | Reduced |
| Silverarc Capital Management, LLC | 233,183 | $373.0K | 0.17% | −132,478−36.2% | Reduced |
| Renaissance Technologies LLC | 220,600 | $353.0K | 0.00% | −178,300−44.7% | Reduced |
| Connacht Asset Management LP | 213,351 | $341.0K | 0.39% | +213,351 | New |
| Morgan Stanley | 208,668 | $334.0K | 0.00% | +187,526+887.0% | Added |
| Ikarian Capital, LLC | 853,680 | $307.0K | 0.09% | −50,000−5.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 177,300 | $284.0K | 0.01% | −8,200−4.4% | Reduced |
| Simplex Trading, LLC | 111,083 | $177.0K | 0.01% | +99,670+873.3% | Added |
| Marshall Wace, LLP | 98,288 | $157.0K | 0.00% | +98,288 | New |
| Geode Capital Management, LLC | 96,630 | $154.0K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 82,583 | $132.0K | 0.00% | −4,837−5.5% | Reduced |
| Bank of America Corp | 71,282 | $114.0K | 0.00% | +30,442+74.5% | Added |
| J. Goldman & Co LP | 67,501 | $108.0K | 0.01% | −173,912−72.0% | Reduced |
| Virtu Financial LLC | 63,045 | $101.0K | 0.01% | +50,843+416.7% | Added |
| Susquehanna International Group, LLP | 61,937 | $99.0K | 0.00% | +23,355+60.5% | Added |
| HSBC Holdings PLC | 58,217 | $95.0K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 58,000 | $93.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 52,179 | $84.0K | 0.00% | +31,867+156.9% | Added |
| Shay Capital LLC | 48,052 | $77.0K | 0.03% | +48,052 | New |
| Logos Global Management LP | 46,984 | $75.0K | 0.01% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 43,773 | $70.0K | 0.00% | +7,730+21.4% | Added |
| Bluefin Capital Management, LLC | 37,300 | $60.0K | 0.00% | +37,300 | New |
| Tower Research Capital LLC (TRC) | 33,681 | $54.0K | 0.00% | +33,052+5,254.7% | Added |
| Personal Cfo Solutions, LLC | 25,888 | $41.0K | 0.01% | −7,500−22.5% | Reduced |
| UBS Group AG | 23,306 | $37.0K | 0.00% | +13,357+134.3% | Added |
| HRT Financial LP | 20,763 | $33.0K | 0.00% | +20,763 | 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 |
| Wealthspire Advisors, LLC | 19,276 | $31.0K | 0.00% | +19,276 | 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 |
| Clear Harbor Asset Management, LLC | 17,000 | $27.0K | 0.00% | +17,000 | 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 |
| Two Sigma Advisers, LP | 15,100 | $24.0K | 0.00% | +15,100 | New |
| JPMorgan Chase & Co | 12,794 | $21.0K | 0.00% | +9,794+326.5% | Added |
| CSS LLC | 10,735 | $17.0K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 5,100 | $8.00K | 0.02% | +5,100 | 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 |
| Citigroup Inc | 3,375 | $5.00K | 0.00% | +3,375 | 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 |
| Sit Investment Associates Inc | 970 | $2.00K | 0.00% | +970 | New |
| 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 |
| 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 |