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MREO

Mereo BioPharma
MREO

91 hedge funds and large institutions have $403M invested in Mereo BioPharma in 2024 Q4 according to their latest regulatory filings, with 21 funds opening new positions, 20 increasing their positions, 25 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 7

65% more call options, than puts

Call options by funds: $3.02M | Put options by funds: $1.84M

18% more funds holding

Funds holding: 77 → 91 (+14)

1.11% more ownership

Funds ownership: 13.75% → 14.85% (+1.1%)

7% less capital invested

Capital invested by funds: $435M → $403M (-$31.6M)

20% less repeat investments, than reductions

Existing positions increased: 20 | Existing positions reduced: 25

33% less funds holding in top 10

Funds holding in top 10: 3 → 2 (-1)

Holders
91
Holders Change
+14
Holders Change %
+18.18%
% of All Funds
1.2%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
21
Increased
20
Reduced
25
Closed
7
Calls
$3.02M
Puts
$1.84M
Net Calls
+$1.19M
Net Calls Change
+$257K

Top Buyers

Rank Fund Capital Flow
1
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$18.8M
2
UBS Group
UBS Group
Switzerland
+$10.4M
3
Morgan Stanley
Morgan Stanley
New York
+$4.74M
4
GPP
Great Point Partners
Connecticut
+$4.52M
5
UBS AM
UBS AM
Illinois
+$3.79M

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$5.62M
2
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$3.93M
3
TC
Tejara Capital
United Kingdom
-$2.02M
4
ACP
Acuta Capital Partners
California
-$1.89M
5
6CM
683 Capital Management
New York
-$1.18M
Name Holding Trade Value Shares
Change 		Change in
Stake
EP
26
Eversept Partners
New York
$2.72M – – –
BOCH
27
Blue Owl Capital Holdings
New York
$2.35M -$688K -175,000 -21%
WP
28
Woodline Partners
California
$2.17M +$2.43M +618,784 New
SSA
29
Schonfeld Strategic Advisors
New York
$1.73M +$1.94M +493,900 New
AGP
30
Artia Global Partners
Florida
$1.47M – – –
HP
31
HealthInvest Partners
Sweden
$1.37M +$746K +190,000 +95%
Susquehanna International Group
32
Susquehanna International Group
Pennsylvania
$1.37M +$20.3K +5,160 +1%
MAM
33
Monaco Asset Management
Monaco
$1.34M -$12.1K -3,067 -0.8%
DMKJ
34
David M. Knott Jr
$1.16M – – –
Hudson Bay Capital Management
35
Hudson Bay Capital Management
Connecticut
$1.1M +$550K +140,000 +80%
Citadel Advisors
36
Citadel Advisors
Florida
$1.1M +$722K +183,692 +141%
BlackRock
37
BlackRock
New York
$956K +$1.02M +258,698 +1,806%
KCM
38
Knoll Capital Management
Florida
$912K – – –
Verition Fund Management
39
Verition Fund Management
Connecticut
$832K +$502K +127,773 +116%
CF
40
Cantor Fitzgerald
New York
$788K +$884K +225,000 New
PAMP
41
Polar Asset Management Partners
Ontario, Canada
$595K -$111K -28,323 -14%
Walleye Capital
42
Walleye Capital
New York
$454K +$509K +129,629 New
Jane Street
43
Jane Street
New York
$421K -$371K -94,357 -44%
Ameriprise
44
Ameriprise
Minnesota
$331K +$242K +61,642 +188%
Geode Capital Management
45
Geode Capital Management
Massachusetts
$323K – – –
JGC
46
J. Goldman & Co
New York
$278K -$690K -175,503 -69%
Two Sigma Investments
47
Two Sigma Investments
New York
$241K -$258K -65,578 -49%
Simplex Trading
48
Simplex Trading
Illinois
$192K +$83.5K +21,244 +63%
State Street
49
State Street
Massachusetts
$165K -$1.87K -476 -1%
CHAM
50
Clear Harbor Asset Management
Connecticut
$147K -$5.89K -1,500 -3%
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MREO Hedge Fund Activity: Q4 2024 in Review

91 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in Mereo BioPharma (MREO) for Q4 2024, worth a combined $403M — down 7.3% from $435M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new MREO positions and 7 closed out — a net gain of 14 holders — while 20 added to existing stakes and 25 trimmed.

The largest buyer was Janus Henderson Group, adding an estimated $18.8M. The largest seller was Millennium Management, cutting an estimated $5.62M.

  • 91 institutional investors held Mereo BioPharma (MREO) as of Q4 2024, up from 77 in Q3 2024.
  • Funds reported $403M of Mereo BioPharma stock for Q4 2024, down 7.3% quarter-over-quarter.
  • 21 funds opened new Mereo BioPharma positions in Q4 2024 and 7 closed out, a net change of +14 holders.
  • The largest Mereo BioPharma buyer in Q4 2024 was Janus Henderson Group, an estimated $18.8M added.
  • The largest Mereo BioPharma seller in Q4 2024 was Millennium Management, an estimated $5.62M sold.

Based on aggregated 13F filings for Q4 2024.