Reported 764,901 shares, up 374,901 (96.1%) from the prior quarter.
Reported value 136.2%; share count 96.1% vs. the prior quarter.
Reported position value by quarter
Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.
| Date | Holding Value |
|---|---|
| 2024-09-30 | 822000 |
| 2024-12-31 | 1372800 |
| 2025-03-31 | 877500 |
| 2025-06-30 | 2072882 |
| 2025-09-30 | 167282 |
| 2025-12-31 | 0 |
Quarterly position history
How this manager's reported quarter-end position changed over time.
| Quarter | Activity | Shares | Change | % of reported 13F | Reported value | Filed | Source filing |
|---|---|---|---|---|---|---|---|
| Q4 2025 | Reduced | 0 | -764,901 (-100.0%) | 0 | $0 | 2026-02-06 | |
| Q3 2025 | Unchanged | 764,901 | 0 (0.0%) | 0.62% | $167,282 | 2025-11-04 | |
| Q2 2025 | Added | 764,901 | +374,901 (96.1%) | 0.89% | $2,072,882 | 2025-07-14 | |
| Q1 2025 | Unchanged | 390,000 | 0 (0.0%) | 0.39% | $877,500 | 2025-05-05 | |
| Q4 2024 | Added | 390,000 | +190,000 (95.0%) | 0.65% | $1,372,800 | 2025-02-04 | |
| Q3 2024 | New | 200,000 | +200,000 (0.0%) | 0.39% | $822,000 | 2024-11-12 |
Who else reported the position
103 managers reported MEREO BIOPHARMA GROUP PLC ADR for Q2 2025.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | Reduced | 17,688,592 | -5,046,529 | 0.02% | $48,112,970 | 6 qtrs |
| Rubric Capital Management LP | Unchanged | 15,307,347 | 0 | 0.63% | $41,482,910 | 19 qtrs |
| Frazier Life Sciences Management L P | Added | 9,440,112 | +1,620,249 | 1.02% | $25,582,704 | 5 qtrs |
| MANGROVE PARTNERS | Unchanged | 8,636,485 | 0 | 2.51% | $23,404,874 | 9 qtrs |
| DEERFIELD MANAGEMENT COMPANY L P SERIES C | Unchanged | 6,710,429 | 0 | 0.33% | $18,185,263 | 5 qtrs |
| ALKEON CAPITAL MANAGEMENT LLC | Unchanged | 4,698,100 | 0 | 0.02% | $12,731,851 | 19 qtrs |
| Rock Springs Capital Management LP | Reduced | 4,465,292 | -2,218,955 | 0.75% | $12,100,941 | 18 qtrs |
| 683 Capital Management LLC | Reduced | 4,350,000 | -285,000 | 0.77% | $11,788,499 | 11 qtrs |
| Clearline Capital LP | Added | 3,618,163 | +400,269 | 0.37% | $9,805,222 | 15 qtrs |
| The Goldman Sachs Group Inc | Added | 3,090,068 | +964,148 | < 0.01% | $8,374,084 | 15 qtrs |
Filing details and methodology As reported
- Report period
- June 30, 2025
- Filed
- July 14, 2025
- Filing type
- 13F-HR
- Position type
- SPON ADS
Voting authority reported
- Sole
- 2,072,882
- Shared
- 0
- None
- 0
“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.
Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.