Mereo Biopharma Group PL-ADRMREO
13F holders, Q3 2024 (September 30)77holders −2
10new positions
12sold out
3famous investors
$4.11avg. 13F price*
At the end of Q3 2024, 77 institutions reported holding Mereo Biopharma Group PL-ADR (MREO) in their 13F filings, down 2 from Q2 2024. 10 opened new positions and 12 sold out. The largest holders were Rubric Capital Management LP ($62.9M), Janus Henderson Group PLC ($50.9M) and Adage Capital Partners Gp, L.L.C. ($39.9M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Mereo Biopharma Group PL-ADR
- CUSIP
- 589492107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $2.2M |
| Exits | 12 | $2.0M |
All 13F filers, Q2 2024 → Q3 2024: 11,915,315 shares bought and 6,678,267 shares sold, net +5,237,048 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 77 holders
| Rubric Capital Management LP | 1.03% | No change | 15,307,347 | $62.9M |
| Janus Henderson Group PLC | 0.03% | Add +56.7% | 12,345,866 | $50.9M |
| Adage Capital Partners Gp, L.L.C. | 0.07% | Reduce -17.6% | 9,715,013 | $39.9M |
| Rock Springs Capital Management LP | 1.28% | Add +2.7% | 9,534,170 | $39.2M |
| Mangrove Partners Im, LLC | 3.52% | Reduce -0.3% | 8,729,720 | $35.9M |
| Deerfield Management Company, L.P. | 0.46% | No change | 6,710,429 | $27.6M |
| Millennium Management | 0.02% | Add +68.5% | 5,394,691 | $22.2M |
| Frazier Life Sciences Management, L.P. | 0.84% | Add +15.8% | 5,097,779 | $21.0M |
| 683 Capital Management, LLC | 2.27% | Reduce -3.0% | 4,849,800 | $19.9M |
| Alkeon Capital Management LLC | 0.11% | No change | 4,698,100 | $19.3M |
| Clearline Capital LP | 1.18% | Reduce -2.5% | 3,244,334 | $13.3M |
| Tejara Capital Ltd | 5.55% | Add +8.2% | 2,829,990 | $11.6M |
| Morgan Stanley | 0.00% | Add +1030.2% | 2,347,825 | $9.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -19.9% | 2,008,381 | $8.3M |
| Renaissance Technologies | 0.01% | Reduce -25.9% | 1,305,371 | $5.4M |
| Acuta Capital Partners, LLC | 4.20% | Add +86.2% | 1,260,700 | $5.2M |
| Marshall Wace, LLP | 0.01% | Reduce -10.1% | 1,028,512 | $4.2M |
| Integral Health Asset Management, LLC | 0.48% | Reduce -43.7% | 1,000,000 | $4.1M |
| Blue Owl Capital Holdings LP | 0.68% | Reduce -5.6% | 847,809 | $3.5M |
| Soleus Capital Management, L.P. | 0.29% | Reduce -32.1% | 846,953 | $3.5M |
| NEOS Investment Management LLC | 0.10% | Reduce -12.9% | 835,194 | $3.4M |
| Perceptive Advisors LLC | 0.07% | Reduce -34.9% | 815,722 | $3.4M |
| Eversept Partners, LP | 0.25% | Add +56.8% | 777,890 | $3.2M |
| Artia Global Partners LP | 0.49% | No change | 421,359 | $1.7M |
| Susquehanna International Group, LLP | 0.00% | Reduce -54.0% | 386,430 | $1.6M |
| Monaco Asset Management SAM | 0.66% | Add +10.5% | 384,535 | $1.6M |
| Knott David M Jr | 0.48% | Add +40.3% | 331,000 | $1.4M |
| Knoll Capital Management, LLC | 0.50% | No change | 260,470 | $1.1M |
| J. Goldman & Co LP | 0.05% | Add +11.8% | 254,890 | $1.0M |
| Bank of America Corp. | 0.00% | Add +158.9% | 217,557 | $894K |
| Jane Street Group, LLC | 0.00% | Add +153.7% | 214,635 | $882K |
| Atle Fund Management AB | 0.39% | New | 200,000 | $822K |
| Polar Asset Management Partners Inc. | 0.03% | Add +36.0% | 198,300 | $815K |
| Hudson Bay Capital Management LP | 0.01% | New | 175,000 | $719K |
| Two Sigma Investments, LP | 0.00% | Reduce -33.4% | 134,313 | $552K |
| Citadel Advisors | 0.00% | Reduce -68.2% | 130,258 | $535K |
| Verition Fund Management LLC | 0.00% | Reduce -51.4% | 110,004 | $452K |
| Fred Alger Management, LLC | 0.00% | Add +108.1% | 102,582 | $422K |
| Geode Capital Management, LLC | 0.00% | No change | 92,156 | $379K |
| Gsa Capital Partners LLP | 0.02% | New | 67,069 | $276K |
| Primecap Management Co. | 0.00% | No change | 54,000 | $222K |
| Qube Research & Technologies Ltd | 0.00% | Add +49.3% | 49,687 | $204K |
| State Street Corp. | 0.00% | New | 47,561 | $195K |
| Clear Harbor Asset Management, LLC | 0.01% | No change | 43,500 | $179K |
| Simplex Trading, LLC | 0.00% | Reduce -18.2% | 33,855 | $139K |
| Forefront Analytics, LLC | 0.07% | Reduce -6.7% | 33,800 | $139K |
| Ameriprise Financial Inc. | 0.00% | New | 32,814 | $135K |
| Ascentis Independent Advisors | 0.02% | Add +17.3% | 29,100 | $120K |
| HSBC Holdings PLC | 0.00% | No change | 28,577 | $116K |
| Centiva Capital, LP | 0.00% | No change | 25,000 | $103K |
| Squarepoint Ops LLC | 0.00% | Reduce -23.7% | 20,825 | $86K |
| Advisors Preferred, LLC | 0.01% | Reduce -26.7% | 18,188 | $76K |
| OneDigital Investment Advisors LLC | 0.00% | No change | 18,300 | $75K |
| PFG Investments, LLC | 0.00% | No change | 17,000 | $70K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +1.0% | 14,769 | $61K |
| BlackRock, Inc. | 0.00% | — | 14,321 | $59K |
| Graham Capital Management, L.P. | 0.00% | New | 12,699 | $52K |
| GAMMA Investing LLC | 0.00% | Add +58.1% | 10,693 | $44K |
| Level Four Advisory Services, LLC | 0.00% | No change | 10,000 | $42K |
| ADAR1 Capital Management, LLC | 0.01% | Reduce -82.0% | 10,000 | $41K |
| Rhumbline Advisers | 0.00% | Add +4.5% | 7,273 | $30K |
| Arax Advisory Partners | 0.00% | No change | 4,000 | $16K |
| Lindbrook Capital, LLC | 0.00% | No change | 1,665 | $7K |
| GPS Wealth Strategies Group, LLC | 0.00% | New | 1,500 | $6K |
| Allworth Financial LP | 0.00% | No change | 1,500 | $6K |
| BNP Paribas Financial Markets | 0.00% | Reduce -93.2% | 1,403 | $6K |
| Bfsg, LLC | 0.00% | No change | 1,000 | $4K |
| Sit Investment Associates Inc. | 0.00% | No change | 970 | $4K |
| Signaturefd, LLC | 0.00% | No change | 679 | $3K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 645 | $3K |
| JPMorgan Chase & Co. | 0.00% | No change | 365 | $2K |
| New England Capital Financial Advisors LLC | 0.00% | No change | 300 | $1K |
| Wells Fargo & Company | 0.00% | No change | 230 | $943 |
| Cranbrook Wealth Management, LLC | 0.00% | New | 60 | $247 |
| Barclays PLC | 0.00% | No change | 38 | $156 |
| GeoWealth Management, LLC | 0.00% | New | 14 | $58 |
| US Bancorp \de | 0.00% | No change | 13 | $53 |
"% of holder's portfolio" is MREO's weight in each manager's 13F, not the share of Mereo Biopharma Group PL-ADR the manager owns.