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 2024
Institutional positions in Mereo BioPharma Group plc as of Sep 30, 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
- 77
- −1 vs. Q2 2024
- Shares held
- 105.8M
- +5.25M (+5.2%) vs. Q2 2024
- Total value
- $434.8M
- +$72.9M (+20.2%) vs. Q2 2024
- New holders
- 11
- 20 more added
- Sold out
- 12
- 22 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Mereo BioPharma Group plc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 15,307,347 | $62.9M | 1.03% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 12,345,866 | $50.9M | 0.03% | +4,464,984+56.7% | Added |
| Adage Capital Partners GP, L.L.C. | 9,715,013 | $39.9M | 0.07% | −2,076,297−17.6% | Reduced |
| Rock Springs Capital Management LP | 9,534,170 | $39.2M | 1.27% | +250,678+2.7% | Added |
| Mangrove Partners | 8,729,720 | $35.9M | 3.46% | −23,173−0.3% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 6,710,429 | $27.6M | 0.41% | 00.0% | Unchanged |
| Millennium Management LLC | 5,394,691 | $22.2M | 0.02% | +2,192,986+68.5% | Added |
| Frazier Life Sciences Management, L.P. | 5,097,779 | $21.0M | 0.84% | +696,408+15.8% | Added |
| 683 Capital Management, LLC | 4,849,800 | $19.9M | 2.03% | −150,200−3.0% | Reduced |
| Alkeon Capital Management LLC | 4,698,100 | $19.3M | 0.11% | 00.0% | Unchanged |
| Clearline Capital LP | 3,244,334 | $13.3M | 1.18% | −82,384−2.5% | Reduced |
| Tejara Capital Ltd | 2,829,990 | $11.6M | 5.55% | +214,532+8.2% | Added |
| Morgan Stanley | 2,347,825 | $9.65M | 0.00% | +2,140,089+1,030.2% | Added |
| Goldman Sachs Group Inc | 2,008,381 | $8.25M | 0.00% | −499,132−19.9% | Reduced |
| Renaissance Technologies LLC | 1,305,371 | $5.37M | 0.01% | −456,632−25.9% | Reduced |
| Acuta Capital Partners, LLC | 1,260,700 | $5.18M | 4.20% | +583,700+86.2% | Added |
| Marshall Wace, LLP | 1,028,512 | $4.23M | 0.01% | −115,539−10.1% | Reduced |
| Integral Health Asset Management, LLC | 1,000,000 | $4.11M | 0.48% | −775,000−43.7% | Reduced |
| Blue Owl Capital Holdings LP | 847,809 | $3.48M | 0.68% | −50,000−5.6% | Reduced |
| Soleus Capital Management, L.P. | 846,953 | $3.48M | 0.29% | −400,000−32.1% | Reduced |
| NEOS Investment Management LLC | 835,194 | $3.43M | 0.10% | −124,273−13.0% | Reduced |
| Perceptive Advisors LLC | 815,722 | $3.35M | 0.07% | −437,528−34.9% | Reduced |
| Eversept Partners, LP | 777,890 | $3.20M | 0.25% | +281,719+56.8% | Added |
| Artia Global Partners LP | 421,359 | $1.73M | 0.49% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 386,430 | $1.59M | 0.00% | −453,834−54.0% | Reduced |
| Monaco Asset Management SAM | 384,535 | $1.58M | 0.66% | +36,407+10.5% | Added |
| Knott David M Jr | 331,000 | $1.36M | 0.54% | +95,000+40.3% | Added |
| Knoll Capital Management, LLC | 260,470 | $1.07M | 0.52% | 00.0% | Unchanged |
| J. Goldman & Co LP | 254,890 | $1.05M | 0.05% | +27,000+11.8% | Added |
| Bank of America Corp | 217,557 | $894.2K | 0.00% | +133,539+158.9% | Added |
| Jane Street Group, LLC | 214,635 | $882.1K | 0.00% | +130,042+153.7% | Added |
| HealthInvest Partners AB | 200,000 | $822.0K | 0.39% | +200,000 | New |
| Polar Asset Management Partners Inc. | 198,300 | $815.0K | 0.02% | +52,500+36.0% | Added |
| Hudson Bay Capital Management LP | 175,000 | $719.3K | 0.00% | +175,000 | New |
| Two Sigma Investments, LP | 134,313 | $552.0K | 0.00% | −67,463−33.4% | Reduced |
| Citadel Advisors LLC | 130,258 | $535.4K | 0.00% | −278,731−68.2% | Reduced |
| Verition Fund Management LLC | 110,004 | $452.1K | 0.00% | −116,490−51.4% | Reduced |
| Fred Alger Management, LLC | 102,582 | $421.6K | 0.00% | +53,278+108.1% | Added |
| Geode Capital Management, LLC | 92,156 | $378.8K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 67,069 | $276.0K | 0.02% | +67,069 | New |
| Primecap Management Co | 54,000 | $221.9K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 49,687 | $204.2K | 0.00% | +16,400+49.3% | Added |
| State Street Corp | 47,561 | $195.5K | 0.00% | +47,561 | New |
| Clear Harbor Asset Management, LLC | 43,500 | $178.8K | 0.01% | 00.0% | Unchanged |
| Simplex Trading, LLC | 33,855 | $139.0K | 0.00% | −7,538−18.2% | Reduced |
| Forefront Analytics, LLC | 33,800 | $138.9K | 0.07% | −2,431−6.7% | Reduced |
| Ameriprise Financial Inc | 32,814 | $134.9K | 0.00% | +32,814 | New |
| Golden State Equity Partners | 29,100 | $119.6K | 0.02% | +4,300+17.3% | Added |
| HSBC Holdings PLC | 28,577 | $116.5K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 25,000 | $102.8K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 20,825 | $85.6K | 0.00% | −6,472−23.7% | Reduced |
| Advisors Preferred, LLC | 18,188 | $75.8K | 0.01% | −6,625−26.7% | Reduced |
| Resources Investment Advisors, LLC. | 18,300 | $75.2K | 0.00% | 00.0% | Unchanged |
| PFG Investments, LLC | 17,000 | $69.9K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 14,769 | $60.7K | 0.00% | +148+1.0% | Added |
| BlackRock, Inc. | 14,321 | $58.9K | 0.00% | +14,321 | New |
| Graham Capital Management, L.P. | 12,699 | $52.2K | 0.00% | +12,699 | New |
| GAMMA Investing LLC | 10,693 | $43.9K | 0.00% | +3,928+58.1% | Added |
| Level Four Advisory Services, LLC | 10,000 | $42.1K | 0.00% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 10,000 | $41.1K | 0.01% | −45,400−81.9% | Reduced |
| Rhumbline Advisers | 7,273 | $29.9K | 0.00% | +315+4.5% | Added |
| SRS Capital Advisors, Inc. | 4,000 | $16.4K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 1,665 | $6.84K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,500 | $6.17K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 1,500 | $6.17K | 0.00% | +1,500 | New |
| BNP Paribas Arbitrage, SA | 1,403 | $5.77K | 0.00% | −19,132−93.2% | Reduced |
| BFSG, LLC | 1,000 | $4.11K | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 970 | $4.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 679 | $2.79K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 645 | $2.65K | 0.00% | +645 | New |
| JPMorgan Chase & Co | 365 | $1.50K | 0.00% | 00.0% | Unchanged |
| New England Capital Financial Advisors LLC | 300 | $1.23K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 230 | $943 | 0.00% | 00.0% | Unchanged |
| Cranbrook Wealth Management, LLC | 60 | $247 | 0.00% | +60 | New |
| Barclays PLC | 38 | $156 | 0.00% | 00.0% | Unchanged |
| GeoWealth Management, LLC | 14 | $58 | 0.00% | +14 | New |
| US Bancorp | 13 | $53 | 0.00% | 00.0% | Unchanged |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −275,000−100.0% | Sold out |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −73,168−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −14,152−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −13,926−100.0% | Sold out |
| Adviser Investments LLC | 0 | $0 | 0.00% | −12,550−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −11,700−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −4,524−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −398−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Ariadne Wealth Management, LP | 0 | $0 | 0.00% | −3,499−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |