Institutional Ownership Mereo Biopharma Group PLC (MREO)
This table provides information about the institutional ownership of Mereo Biopharma Group PLC (MREO). We have compiled data on the 97 institutions that hold shares in the stock, with a total of 98.2 Million shares, which have been reported (via 13F filing form) to have a value of $163 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Janus Henderson Group PLC
London, X0 |
Aug 14, 2025 Q2 2025 |
17,688,592
shares
|
$29.4 Million
0.02% of portfolio
|
Q2 2025
Reduced 22.2%
|
|
|
Rubric Capital Management LP
New York, NY |
Aug 14, 2025 Q2 2025 |
15,307,347
shares
|
$25.4 Million
0.96% of portfolio
|
Q2 2024
Added 12.94%
|
|
|
Frazier Life Sciences Management, L.P.
Menlo Park, CA |
Aug 14, 2025 Q2 2025 |
9,440,112
shares
|
$15.7 Million
1.35% of portfolio
|
Q2 2025
Added 20.72%
|
|
|
Mangrove Partners
New York, NY |
Aug 14, 2025 Q2 2025 |
8,636,485
shares
|
$14.3 Million
3.39% of portfolio
|
Q4 2024
Reduced 1.07%
|
|
|
Deerfield Management Company, L.P. (Series C)
New York, NY |
Aug 14, 2025 Q2 2025 |
6,710,429
shares
|
$11.1 Million
0.42% of portfolio
|
Q2 2024
New holding
|
|
|
Alkeon Capital Management LLC
New York, NY |
Aug 13, 2025 Q2 2025 |
4,698,100
shares
|
$7.8 Million
0.02% of portfolio
|
Q2 2024
Added 10.85%
|
|
|
Rock Springs Capital Management LP
Baltimore, MD |
Aug 14, 2025 Q2 2025 |
4,465,292
shares
|
$7.41 Million
0.82% of portfolio
|
Q2 2025
Reduced 33.2%
|
|
|
683 Capital Management, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
4,350,000
shares
|
$7.22 Million
0.92% of portfolio
|
Q2 2025
Reduced 6.15%
|
|
|
Clearline Capital LP
New York, NY |
Aug 14, 2025 Q2 2025 |
3,618,163
shares
|
$6.01 Million
0.39% of portfolio
|
Q2 2025
Added 12.44%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
3,090,068
shares
|
$5.13 Million
0.0% of portfolio
|
Q2 2025
Added 45.35%
|
|
|
Abrdn PLC
|
Jul 24, 2025 Q2 2025 |
3,028,872
shares
|
$5.03 Million
0.01% of portfolio
|
Q2 2025
Added 38.41%
|
|
|
Tejara Capital LTD
London, X0 |
Aug 13, 2025 Q2 2025 |
2,430,437
shares
|
$4.03 Million
3.05% of portfolio
|
Q2 2025
Reduced 3.6%
|
|
|
Tekla Capital Management LLC
|
Aug 10, 2023 Q2 2023 |
1,551,082
shares
|
$2.57 Million
0.08% of portfolio
|
Q3 2021
Added 48.46%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Aug 13, 2025 Q2 2025 |
1,480,471
shares
|
$2.46 Million
0.01% of portfolio
|
Q2 2025
Added 9.63%
|
|
|
Schonfeld Strategic Advisors LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
909,640
shares
|
$1.51 Million
0.02% of portfolio
|
Q2 2025
Reduced 42.83%
|
|
|
Morgan Stanley
New York, NY |
Aug 15, 2025 Q2 2025 |
785,377
shares
|
$1.3 Million
0.0% of portfolio
|
Q2 2025
Reduced 63.97%
|
|
|
Marshall Wace, LLP
London, X0 |
Aug 13, 2025 Q2 2025 |
767,744
shares
|
$1.27 Million
0.0% of portfolio
|
Q1 2025
Reduced 11.38%
|
|
|
Health Invest Partners Ab
|
Jul 14, 2025 Q2 2025 |
764,901
shares
|
$1.27 Million
0.94% of portfolio
|
Q2 2025
Added 96.13%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
760,659
shares
|
$1.26 Million
0.0% of portfolio
|
Q2 2025
Added 121.35%
|
|
|
Two Sigma Investments, LP
New York, NY |
Aug 14, 2025 Q2 2025 |
659,158
shares
|
$1.09 Million
0.0% of portfolio
|
Q2 2025
Added 168.82%
|
|
|
Soleus Capital Management, L.P.
Greenwich, CT |
Aug 14, 2025 Q2 2025 |
599,711
shares
|
$995,520
0.13% of portfolio
|
Q2 2025
Reduced 12.7%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
595,673
shares
|
$988,817
0.0% of portfolio
|
Q2 2025
Added 51.02%
|
|
|
Artia Global Partners LP
Miami, FL |
Aug 14, 2025 Q2 2025 |
475,361
shares
|
$789,099
0.31% of portfolio
|
Q2 2025
Added 12.82%
|
|
|
Hudson Bay Capital Management LP
Greenwich, CT |
Aug 18, 2025 Q2 2025 |
450,000
shares
|
$747,000
0.0% of portfolio
|
Q1 2025
Added 42.86%
|
|
|
Bank Of America Corp
Charlotte, NC |
Aug 14, 2025 Q2 2025 |
438,661
shares
|
$728,177
0.0% of portfolio
|
Q2 2025
Reduced -0.0%
|