A total of 85 institutions have reported a stake in Mereo BioPharma Group plc (NASDAQ:MREO) as of September 2025, according to recent 13F filings with the SEC.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 30 Sep, 2025 | 16,290,130 | -1,398,462 | -7.91% | $33,639,118.00 |
| Rubric Capital Management LP | 30 Sep, 2025 | 15,307,347 | 0 | 0.00% | $31,533,135.00 |
| Frazier Life Sciences Management, L.P. | 30 Sep, 2025 | 9,440,112 | 0 | 0.00% | $19,446,631.00 |
| MANGROVE PARTNERS IM, LLC | 30 Sep, 2025 | 7,790,580 | -845,905 | -9.79% | $16,048,595.00 |
| Aberdeen Group plc | 30 Sep, 2025 | 5,538,699 | 2,509,827 | 82.86% | $11,409,720.00 |
| 683 Capital Management, LLC | 30 Sep, 2025 | 4,875,000 | 525,000 | 12.07% | $10,042,500.00 |
| Rock Springs Capital Management LP | 30 Sep, 2025 | 4,570,649 | 105,357 | 2.36% | $9,415,537.00 |
| Clearline Capital LP | 30 Sep, 2025 | 3,834,163 | 216,000 | 5.97% | $7,898,376.00 |
| ALKEON CAPITAL MANAGEMENT LLC | 30 Sep, 2025 | 3,698,100 | -1,000,000 | -21.29% | $7,618,086.00 |
| MORGAN STANLEY | 30 Sep, 2025 | 3,346,347 | 2,560,970 | 326.08% | $6,893,476.00 |
| CITADEL ADVISORS LLC | 30 Sep, 2025 | 3,171,632 | 2,827,979 | 822.92% | $6,533,561.00 |
| GOLDMAN SACHS GROUP INC | 30 Sep, 2025 | 2,364,024 | -726,044 | -23.50% | $4,869,889.00 |
| Tejara Capital Ltd | 30 Sep, 2025 | 1,906,844 | -523,593 | -21.54% | $3,928,099.00 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 30 Sep, 2025 | 1,906,775 | 337,675 | 21.52% | $3,927,957.00 |
| Schonfeld Strategic Advisors LLC | 30 Sep, 2025 | 1,732,724 | 823,084 | 90.48% | $3,569,409.00 |
| DIADEMA PARTNERS LP | 30 Sep, 2025 | 1,559,600 | 202,600 | 14.93% | $3,212,776.00 |
| FMR LLC | 30 Sep, 2025 | 1,454,900 | -23,600 | -1.60% | $2,997,094.00 |
| Blue Owl Capital Holdings LP | 30 Sep, 2025 | 1,250,000 | 577,191 | 85.79% | $2,575,000.00 |
| TWO SIGMA INVESTMENTS, LP | 30 Sep, 2025 | 1,088,096 | 428,938 | 65.07% | $2,241,478.00 |
| UBS Group AG | 30 Sep, 2025 | 970,667 | 597,162 | 159.88% | $1,999,574.00 |