Mereo BioPharma Group plc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 11/14/2025 | 16.29 M | $33.64 M | -7.91% | 10.19% |
| RUBRIC CAPITAL MANAGEMENT LP | 11/14/2025 | 15.31 M | $31.53 M | 0.00% | 9.57% |
| FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | 11/14/2025 | 9.44 M | $19.45 M | 0.00% | 5.90% |
| MANGROVE PARTNERS | 11/14/2025 | 7.79 M | $16.05 M | -9.79% | 4.87% |
| ABRDN PLC | 11/07/2025 | 5.54 M | $11.41 M | 82.86% | 3.46% |
| 683 CAPITAL MANAGEMENT, LLC | 11/14/2025 | 4.88 M | $10.04 M | 12.07% | 3.05% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 11/14/2025 | 4.57 M | $9.42 M | 2.36% | 2.86% |
| CLEARLINE CAPITAL LP | 11/14/2025 | 3.83 M | $7.90 M | 5.97% | 2.40% |
| ALKEON CAPITAL MANAGEMENT LLC | 11/14/2025 | 3.70 M | $7.62 M | -21.29% | 2.31% |
| MORGAN STANLEY | 11/14/2025 | 3.35 M | $6.89 M | 326.08% | 2.09% |
| CITADEL ADVISORS LLC | 11/14/2025 | 3.17 M | $6.53 M | 316.96% | 1.98% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 2.36 M | $4.87 M | -23.50% | 1.48% |
| TEJARA CAPITAL LTD | 11/04/2025 | 1.91 M | $3.93 M | -21.54% | 1.19% |
| UBS ASSET MANAGEMENT AMERICAS INC | 11/14/2025 | 1.91 M | $3.93 M | 100.00% | 1.19% |
| SCHONFELD STRATEGIC ADVISORS LLC | 11/14/2025 | 1.73 M | $3.57 M | 90.48% | 1.08% |
| DIADEMA PARTNERS LP | 11/14/2025 | 1.52 M | $3.13 M | 15.38% | 0.95% |
| FMR LLC | 11/13/2025 | 1.45 M | $3.00 M | -1.60% | 0.91% |
| BLUE OWL CAPITAL HOLDINGS LP | 11/12/2025 | 1.25 M | $2.58 M | 100.00% | 0.78% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 1.09 M | $2.24 M | 65.07% | 0.68% |
| UBS GROUP AG | 11/13/2025 | 970.67 K | $2.00 M | 159.88% | 0.61% |
| MONACO ASSET MANAGEMENT SAM | 11/10/2025 | 945.92 K | $1.95 M | 139.47% | 0.59% |
| MARSHALL WACE, LLP | 11/13/2025 | 767.74 K | $1.58 M | 0.00% | 0.48% |
| HEALTHINVEST PARTNERS AB | 11/04/2025 | 764.90 K | $167.28 K | 0.00% | 0.48% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 590.87 K | $1.22 M | -60.09% | 0.37% |
| LOGOS GLOBAL MANAGEMENT LP | 11/14/2025 | 500.00 K | $1.03 M | 100.00% | 0.31% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 493.38 K | $1.02 M | 36.46% | 0.31% |
| ARTIA GLOBAL PARTNERS LP | 11/14/2025 | 475.36 K | $979.24 K | 0.00% | 0.30% |
| JANE STREET GROUP, LLC | 11/14/2025 | 452.36 K | $931.87 K | 82.82% | 0.28% |
| BLACKROCK, INC. | 11/12/2025 | 444.00 K | $914.65 K | -2.49% | 0.28% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 438.62 K | $903.56 K | -0.01% | 0.27% |
| CAPTION MANAGEMENT, LLC | 11/14/2025 | 380.50 K | $783.83 K | -13.03% | 0.24% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 337.50 K | $695.26 K | -43.34% | 0.21% |
| KNOTT DAVID M JR | 11/12/2025 | 300.34 K | $618.69 K | -5.95% | 0.19% |
| SOLEUS CAPITAL MANAGEMENT, L.P. | 11/14/2025 | 299.71 K | $617.41 K | -50.02% | 0.19% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 11/13/2025 | 265.00 K | $545.90 K | -41.11% | 0.17% |
| KNOLL CAPITAL MANAGEMENT, LLC | 11/14/2025 | 260.47 K | $536.57 K | 0.00% | 0.16% |
| ACADIAN ASSET MANAGEMENT LLC | 11/13/2025 | 256.38 K | $522.00 K | 100.00% | 0.16% |
| TWO SIGMA ADVISERS, LP | 11/14/2025 | 242.20 K | $498.93 K | 67.50% | 0.15% |
| SIMPLEX TRADING, LLC | 11/12/2025 | 196.27 K | $404.00 K | -2.42% | 0.12% |
| XTX TOPCO LTD | 11/14/2025 | 191.04 K | $393.54 K | 175.50% | 0.12% |
| CAPTION MANAGEMENT, LLC | 11/14/2025 | 189.91 K | $391.22 K | -3.89% | 0.12% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 150.30 K | $309.62 K | 12.50% | 0.09% |
| GROUP ONE TRADING, L.P. | 11/12/2025 | 136.59 K | $281.37 K | -2.13% | 0.09% |
| STATE STREET CORP | 11/14/2025 | 132.70 K | $273.36 K | 195.27% | 0.08% |
| DLD ASSET MANAGEMENT, LP | 11/14/2025 | 119.00 K | $245.14 K | 376.00% | 0.07% |
| CANTOR FITZGERALD, L. P. | 12/01/2025 | 110.00 K | $226.60 K | -67.93% | 0.07% |
| NOMURA HOLDINGS INC | 11/14/2025 | 103.80 K | $213.83 K | -16.96% | 0.06% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 92.53 K | $190.62 K | 0.00% | 0.06% |
| CLEAR HARBOR ASSET MANAGEMENT, LLC | 11/14/2025 | 77.00 K | $158.62 K | 83.33% | 0.05% |
| GSA CAPITAL PARTNERS LLP | 11/07/2025 | 58.15 K | $120.00 K | 100.00% | 0.04% |
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Mereo BioPharma Group plc institutional Ownership - FAQ's
During the previous two years, 107 institutional investors and hedge funds held shares of Mereo BioPharma Group plc. The most heavily invested institutionals were:
JANUS HENDERSON GROUP PLC: 16.29 M
Rubric Capital Management LP: 15.31 M
Frazier Life Sciences Management, L.P.: 9.44 M
MANGROVE PARTNERS: 7.79 M
abrdn plc: 5.54 M
683 Capital Management, LLC: 4.88 M
62.69% of Mereo BioPharma Group plc stock is owned by institutional investors.
Institutional investors have bought a total of 102.08 M shares in the last 24 months. This purchase volume represents approximately $208.23 M in transactions.