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 |
|---|---|---|---|---|---|
| US Bancorp | 13 | $53 | 0.00% | 00.0% | Unchanged |
| GeoWealth Management, LLC | 14 | $58 | 0.00% | +14 | New |
| Barclays PLC | 38 | $156 | 0.00% | 00.0% | Unchanged |
| Cranbrook Wealth Management, LLC | 60 | $247 | 0.00% | +60 | New |
| Wells Fargo & Company | 230 | $943 | 0.00% | 00.0% | Unchanged |
| New England Capital Financial Advisors LLC | 300 | $1.23K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 365 | $1.50K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 645 | $2.65K | 0.00% | +645 | New |
| Signaturefd, LLC | 679 | $2.79K | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 970 | $4.00K | 0.00% | 00.0% | Unchanged |
| BFSG, LLC | 1,000 | $4.11K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,403 | $5.77K | 0.00% | −19,132−93.2% | Reduced |
| 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 |
| Lindbrook Capital, LLC | 1,665 | $6.84K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 4,000 | $16.4K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 7,273 | $29.9K | 0.00% | +315+4.5% | Added |
| ADAR1 Capital Management, LLC | 10,000 | $41.1K | 0.01% | −45,400−81.9% | Reduced |
| Level Four Advisory Services, LLC | 10,000 | $42.1K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 10,693 | $43.9K | 0.00% | +3,928+58.1% | Added |
| Graham Capital Management, L.P. | 12,699 | $52.2K | 0.00% | +12,699 | New |
| BlackRock, Inc. | 14,321 | $58.9K | 0.00% | +14,321 | New |
| Manufacturers Life Insurance Company, The | 14,769 | $60.7K | 0.00% | +148+1.0% | Added |
| PFG Investments, LLC | 17,000 | $69.9K | 0.00% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 18,300 | $75.2K | 0.00% | 00.0% | Unchanged |
| Advisors Preferred, LLC | 18,188 | $75.8K | 0.01% | −6,625−26.7% | Reduced |
| Squarepoint Ops LLC | 20,825 | $85.6K | 0.00% | −6,472−23.7% | Reduced |
| Centiva Capital, LP | 25,000 | $102.8K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 28,577 | $116.5K | 0.00% | 00.0% | Unchanged |
| Golden State Equity Partners | 29,100 | $119.6K | 0.02% | +4,300+17.3% | Added |
| Ameriprise Financial Inc | 32,814 | $134.9K | 0.00% | +32,814 | New |
| Forefront Analytics, LLC | 33,800 | $138.9K | 0.07% | −2,431−6.7% | Reduced |
| Simplex Trading, LLC | 33,855 | $139.0K | 0.00% | −7,538−18.2% | Reduced |
| Clear Harbor Asset Management, LLC | 43,500 | $178.8K | 0.01% | 00.0% | Unchanged |
| State Street Corp | 47,561 | $195.5K | 0.00% | +47,561 | New |
| Qube Research & Technologies Ltd | 49,687 | $204.2K | 0.00% | +16,400+49.3% | Added |
| Primecap Management Co | 54,000 | $221.9K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 67,069 | $276.0K | 0.02% | +67,069 | New |
| Geode Capital Management, LLC | 92,156 | $378.8K | 0.00% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 102,582 | $421.6K | 0.00% | +53,278+108.1% | Added |
| Verition Fund Management LLC | 110,004 | $452.1K | 0.00% | −116,490−51.4% | Reduced |
| Citadel Advisors LLC | 130,258 | $535.4K | 0.00% | −278,731−68.2% | Reduced |
| Two Sigma Investments, LP | 134,313 | $552.0K | 0.00% | −67,463−33.4% | Reduced |
| Hudson Bay Capital Management LP | 175,000 | $719.3K | 0.00% | +175,000 | New |
| Polar Asset Management Partners Inc. | 198,300 | $815.0K | 0.02% | +52,500+36.0% | Added |
| HealthInvest Partners AB | 200,000 | $822.0K | 0.39% | +200,000 | New |
| Jane Street Group, LLC | 214,635 | $882.1K | 0.00% | +130,042+153.7% | Added |
| Bank of America Corp | 217,557 | $894.2K | 0.00% | +133,539+158.9% | Added |
| J. Goldman & Co LP | 254,890 | $1.05M | 0.05% | +27,000+11.8% | Added |
| Knoll Capital Management, LLC | 260,470 | $1.07M | 0.52% | 00.0% | Unchanged |
| Knott David M Jr | 331,000 | $1.36M | 0.54% | +95,000+40.3% | Added |
| Monaco Asset Management SAM | 384,535 | $1.58M | 0.66% | +36,407+10.5% | Added |
| Susquehanna International Group, LLP | 386,430 | $1.59M | 0.00% | −453,834−54.0% | Reduced |
| Artia Global Partners LP | 421,359 | $1.73M | 0.49% | 00.0% | Unchanged |
| Eversept Partners, LP | 777,890 | $3.20M | 0.25% | +281,719+56.8% | Added |
| Perceptive Advisors LLC | 815,722 | $3.35M | 0.07% | −437,528−34.9% | Reduced |
| NEOS Investment Management LLC | 835,194 | $3.43M | 0.10% | −124,273−13.0% | Reduced |
| Soleus Capital Management, L.P. | 846,953 | $3.48M | 0.29% | −400,000−32.1% | Reduced |
| Blue Owl Capital Holdings LP | 847,809 | $3.48M | 0.68% | −50,000−5.6% | Reduced |
| Integral Health Asset Management, LLC | 1,000,000 | $4.11M | 0.48% | −775,000−43.7% | Reduced |
| Marshall Wace, LLP | 1,028,512 | $4.23M | 0.01% | −115,539−10.1% | Reduced |
| Acuta Capital Partners, LLC | 1,260,700 | $5.18M | 4.20% | +583,700+86.2% | Added |
| Renaissance Technologies LLC | 1,305,371 | $5.37M | 0.01% | −456,632−25.9% | Reduced |
| Goldman Sachs Group Inc | 2,008,381 | $8.25M | 0.00% | −499,132−19.9% | Reduced |
| Morgan Stanley | 2,347,825 | $9.65M | 0.00% | +2,140,089+1,030.2% | Added |
| Tejara Capital Ltd | 2,829,990 | $11.6M | 5.55% | +214,532+8.2% | Added |
| Clearline Capital LP | 3,244,334 | $13.3M | 1.18% | −82,384−2.5% | Reduced |
| Alkeon Capital Management LLC | 4,698,100 | $19.3M | 0.11% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 4,849,800 | $19.9M | 2.03% | −150,200−3.0% | Reduced |
| Frazier Life Sciences Management, L.P. | 5,097,779 | $21.0M | 0.84% | +696,408+15.8% | Added |
| Millennium Management LLC | 5,394,691 | $22.2M | 0.02% | +2,192,986+68.5% | Added |
| Deerfield Management Company, L.P. (Series C) | 6,710,429 | $27.6M | 0.41% | 00.0% | Unchanged |
| Mangrove Partners | 8,729,720 | $35.9M | 3.46% | −23,173−0.3% | Reduced |
| Rock Springs Capital Management LP | 9,534,170 | $39.2M | 1.27% | +250,678+2.7% | Added |
| Adage Capital Partners GP, L.L.C. | 9,715,013 | $39.9M | 0.07% | −2,076,297−17.6% | Reduced |
| Janus Henderson Group PLC | 12,345,866 | $50.9M | 0.03% | +4,464,984+56.7% | Added |
| Rubric Capital Management LP | 15,307,347 | $62.9M | 1.03% | 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 |