# MEREO BIOPHARMA GROUP PLC SPON ADS

MEREO BIOPHARMA GROUP PLC SPON ADS is a security (CUSIP 589492107) tracked across SEC portfolio filings. 68 institutional managers reported $25.2M on Form 13F as of 2026-06-30; 1 registered fund positions totaling $396 via N-PORT as of 2026-03-31.

## Summary

- Issuer: MEREO BIOPHARMA GROUP PLC
- Class: SPON ADS
- CUSIP: 589492107
- Asset category: EC
- 13F holders: 68
- 13F value: $25.2M
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT value: $396
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 68 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Rubric Capital Management LP | New York, NY | $5.1M | 15,307,347 |
| [EcoR1 Capital, LLC](https://search.stillhousedata.com/firm/167121) | San Francisco, CA | $4.4M | 13,368,855 |
| [683 Capital Management, LLC](https://search.stillhousedata.com/firm/156181) | NEW YORK, NY | $4.0M | 12,000,000 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $2.7M | 8,195,287 |
| [Defilade Capital Management, L.P.](https://search.stillhousedata.com/firm/337997) | EMERYVILLE, CA | $2.5M | 7,558,756 |
| [Newtyn Management, LLC](https://search.stillhousedata.com/firm/161156) | New York, NY | $2.3M | 7,079,056 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $1.2M | 3,559,103 |
| [Tejara Capital Ltd](https://search.stillhousedata.com/firm/322838) | LONDON, X0 | $672K | 2,037,520 |
| UBS Group AG | Zurich, V8 | $492K | 1,490,128 |
| [Wealthspire Advisors, LLC](https://search.stillhousedata.com/firm/106181) | NEW YORK, NY | $263K | 796,036 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $227K | 686,987 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $150K | — |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $146K | 195,920 |
| [GROUP ONE TRADING, L.P.](https://search.stillhousedata.com/firm/37484) | CHICAGO, IL | $111K | 335,827 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $110K | 139,973 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $396 | 0.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/589492107.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.