Which hedge funds own MREO? MEREO BIOPHARMA GROUP PLC, Q2 2026 13F holders

15 tracked hedge funds disclosed a position in MREO (MEREO BIOPHARMA GROUP PLC) in their Q2 2026 13F filings, worth $14.0m in total. The largest holder by portfolio weight is 683 Capital Management, LLC at 0.3% of its book. 3 opened a new position this quarter: Ishara Investments LP, Quarry LP, Citadel Advisors LLC. 3 exited: ADAR1 Capital Management, LLC, Caption Management, LLC, Millennium Management LLC.

15

Holders

Tracked managers whose filing for the quarter reports a long equity position in the security.

3

New this quarter

Holders whose previous filing (at most two quarters earlier) did not report the security.

3

Exited this quarter

Tracked managers whose previous filing reported the security and whose filing for the quarter does not.

$415k

Inflow, new holders

Combined value of the positions the new holders reported for the quarter.

$1.2m

Outflow, exits

Combined value the exiting managers reported for the security in their previous filing.

$14.0m

Combined value

Sum of the holders' reported positions in the security.

1.2%

Share of managers holding

Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.