Latest Institutional Sells of Mereo Biopharma Group PLC (MREO)
This list provides information on the latest institutional transactions involving Mereo Biopharma Group PLC (MREO) stock that were sells. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Janus Henderson Group PLC
London, X0 |
SELL
|
- |
-1.4M- 7.91% |
$2.13M - $4.11M
|
16.3M
$29.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Alkeon Capital Management LLC
New York, NY |
SELL
|
- |
-1M- 21.29% |
$1.52M - $2.94M
|
3.7M
$6.73M
|
|
|
Nov 13, 2025
Q3 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
SELL
|
- |
-890K- 60.09% |
$1.35M - $2.62M
|
591K
$1.08M
|
|
|
Nov 14, 2025
Q3 2025
|
Mangrove Partners
New York, NY |
SELL
|
- |
-846K- 9.79% |
$1.29M - $2.49M
|
7.79M
$14.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
SELL
|
- |
-726K- 23.5% |
$1.1M - $2.13M
|
2.36M
$4.3M
|
|
|
Nov 04, 2025
Q3 2025
|
Tejara Capital LTD
London, X0 |
SELL
|
- |
-524K- 21.54% |
$796K - $1.54M
|
1.91M
$3.47M
|
|
|
Nov 14, 2025
Q3 2025
|
Soleus Capital Management, L.P.
Greenwich, CT |
SELL
|
- |
-300K- 50.02% |
$456K - $882K
|
300K
$545K
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-258K- 43.34% |
$392K - $759K
|
338K
$614K
|
|
|
Nov 14, 2025
Q3 2025
|
Cantor Fitzgerald, L. P.
New York, NY |
SELL
|
- |
-233K- 67.93% |
$354K - $685K
|
110K
$200K
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
PUT |
-231K- 80.01% |
$351K - $679K
|
57.7K
$105K
|
|
|
Nov 13, 2025
Q3 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
SELL
|
- |
-185K- 41.11% |
$281K - $544K
|
265K
$482K
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-85.1K- 76.25% |
$129K - $250K
|
26.5K
$48.2K
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
SELL
|
CALL |
-57K- 13.03% |
$86.6K - $168K
|
381K
$693K
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-44.5K- 44.59% |
$67.6K - $131K
|
55.3K
$101K
|
|
|
Nov 14, 2025
Q3 2025
|
Nomura Holdings Inc
Tokyo, M0 |
SELL
|
- |
-21.2K- 16.96% |
$32.2K - $62.3K
|
104K
$189K
|
|
|
Oct 31, 2025
Q3 2025
|
Pfg Investments, LLC
Woodbury, NY |
SELL
|
- |
-20.3K- 54.18% |
$30.8K - $59.6K
|
17.2K
$31.2K
|
|
|
Nov 12, 2025
Q3 2025
|
Knott David M Jr
Syosset, NY |
SELL
|
- |
-19K- 5.95% |
$28.9K - $55.9K
|
300K
$547K
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
SELL
|
- |
-7.69K- 3.89% |
$11.7K - $22.6K
|
190K
$346K
|
|
|
Nov 12, 2025
Q3 2025
|
Simplex Trading, LLC
|
SELL
|
- |
-4.87K- 2.42% |
$7.41K - $14.3K
|
196K
$357K
|
|
|
Nov 12, 2025
Q3 2025
|
Group One Trading, L.P.
Chicago, IL |
SELL
|
- |
-2.97K- 2.13% |
$4.52K - $8.73K
|
137K
$249K
|
|
|
Nov 06, 2025
Q3 2025
|
Rhumbline Advisers
Boston, MA |
SELL
|
- |
-756- 7.65% |
$1.15K - $2.22K
|
9.12K
$16.6K
|
|
|
Oct 02, 2025
Q3 2025
|
Gamma Investing LLC
Foster City, CA |
SELL
|
- |
-76- 0.82% |
$116 - $223
|
9.18K
$16.7K
|
|
|
Dec 02, 2025
Q3 2025
|
Allworth Financial LP
|
SELL
|
- |
-64- 3.91% |
$97.3 - $188
|
1.57K
$2.86K
|
|
|
Nov 10, 2025
Q3 2025
|
Ever Source Wealth Advisors, LLC
|
SELL
|
- |
-53- 11.28% |
$80.6 - $156
|
417
$759
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
SELL
|
- |
-39- 0.01% |
$59.3 - $115
|
439K
$798K
|
|
| Q2 2025 | |||||||
|
Aug 13, 2025
Q2 2025
|
Tema Etfs LLC
New York, NY |
SELL
|
- |
-552K- 84.33% |
$972K - $1.58M
|
103K
$187K
|
|
|
Aug 13, 2025
Q2 2025
|
Neos Investment Management LLC
Westport, CT |
SELL
|
- |
-552K- 84.33% |
$972K - $1.58M
|
103K
$187K
|
|
|
Aug 14, 2025
Q2 2025
|
Graham Capital Management, L.P.
Rowayton, CT |
SELL
|
- |
-28.2K- 57.15% |
$49.7K - $81.1K
|
21.2K
$38.5K
|
|
|
Aug 14, 2025
Q2 2025
|
J. Goldman & CO LP
New York, NY |
SELL
|
- |
-27K- 34.01% |
$47.5K - $77.5K
|
52.4K
$95.3K
|
|
|
Aug 14, 2025
Q2 2025
|
Wells Fargo & Company
San Francisco, CA |
SELL
|
- |
-1K- 81.3% |
$1.76K - $2.87K
|
230
$419
|
|
| Q1 2025 | |||||||
|
May 15, 2025
Q1 2025
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
SELL
|
- |
-7.01M- 80.48% |
$15.8M - $26.4M
|
1.7M
$3.1M
|
|
|
May 15, 2025
Q1 2025
|
Perceptive Advisors LLC
New York, NY |
SELL
|
- |
-209K- 19.21% |
$469K - $784K
|
877K
$1.6M
|
|
|
May 15, 2025
Q1 2025
|
Integral Health Asset Management, LLC
|
SELL
|
- |
-200K- 20.0% |
$450K - $752K
|
800K
$1.46M
|
|
|
May 15, 2025
Q1 2025
|
Marshall Wace, LLP
London, X0 |
SELL
|
- |
-98.6K- 11.38% |
$222K - $371K
|
768K
$1.4M
|
|
|
May 14, 2025
Q1 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
SELL
|
- |
-55.4K- 58.68% |
$125K - $208K
|
39K
$71K
|
|
|
Apr 23, 2025
Q1 2025
|
Golden State Equity Partners
South Coast Metro, CA |
SELL
|
- |
-2.7K- 11.95% |
$6.08K - $10.2K
|
19.9K
$36.2K
|
|
| Q4 2024 | |||||||
|
Feb 14, 2025
Q4 2024
|
Polar Asset Management Partners Inc.
Toronto, A6 |
SELL
|
- |
-28.3K- 14.28% |
$93.2K - $131K
|
170K
$309K
|
|
|
Feb 14, 2025
Q4 2024
|
Hsbc Holdings PLC
London, X0 |
SELL
|
- |
-15K- 52.49% |
$49.4K - $69.3K
|
13.6K
$24.7K
|
|
| Q3 2024 | |||||||
|
Nov 14, 2024
Q3 2024
|
Adar1 Capital Management, LLC
Austin, TX |
SELL
|
- |
-45.4K- 81.95% |
$157K - $221K
|
10K
$18.2K
|
|
|
Oct 15, 2024
Q3 2024
|
Advisors Preferred, LLC
Rockville, MD |
SELL
|
- |
-6.63K- 26.7% |
$22.9K - $32.3K
|
18.2K
$33.1K
|
|
| Q2 2024 | |||||||
|
Aug 14, 2024
Q2 2024
|
Suvretta Capital Management, LLC
New York, NY |
SELL
|
- |
-3.58M- 97.95% |
$9.23M - $15.2M
|
75K
$137K
|
|
|
Aug 13, 2024
Q2 2024
|
Black Rock Inc.
New York, NY |
SELL
|
- |
-16.1K- 48.87% |
$41.4K - $68.2K
|
16.8K
$30.6K
|
|
|
Aug 09, 2024
Q2 2024
|
Level Four Advisory Services, LLC
Dallas, TX |
SELL
|
- |
-10K- 50.0% |
$25.8K - $42.5K
|
10K
$18.2K
|
|
|
Jul 31, 2024
Q2 2024
|
Lindbrook Capital, LLC
|
SELL
|
- |
-635- 27.61% |
$1.64K - $2.7K
|
1.67K
$3.03K
|
|
|
Aug 06, 2024
Q2 2024
|
Us Bancorp \De\
|
SELL
|
- |
-400- 96.85% |
$1.03K - $1.7K
|
13
$23.7
|
|
|
Aug 12, 2024
Q2 2024
|
Quadrant Capital Group LLC
Cincinnati, OH |
SELL
|
- |
-341- 46.14% |
$880 - $1.45K
|
398
$724
|
|
|
Aug 02, 2024
Q2 2024
|
Resources Investment Advisors, Llc.
Overland Park, KS |
SELL
|
- |
-213- 1.15% |
$550 - $905
|
18.3K
$33.3K
|
|
| Q4 2023 | |||||||
|
Feb 14, 2024
Q4 2023
|
Dafna Capital Management LLC
Los Angeles, CA |
SELL
|
- |
-184K- 19.09% |
$219K - $445K
|
779K
$1.42M
|
|
|
Feb 09, 2024
Q4 2023
|
Primecap Management CO
Pasadena, CA |
SELL
|
- |
-25K- 31.65% |
$29.8K - $60.5K
|
54K
$98.3K
|
|
|
Feb 14, 2024
Q4 2023
|
Toroso Investments, LLC
Massapequa, NY |
SELL
|
- |
-12.5K- 3.77% |
$14.9K - $30.3K
|
319K
$581K
|
|