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LBRX

LB Pharmaceuticals

53 hedge funds and large institutions have $315M invested in LB Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 53 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

99.18% more ownership

Funds ownership: 0%99.18% (+99%)

Holders
53
Holders Change
+53
Holders Change %
% of All Funds
0.7%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
53
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
DTC
1
Deep Track Capital
Connecticut
$52.9M +$53.2M +3,352,804 New
RCM
2
RA Capital Management
Massachusetts
$28.1M +$28.2M +1,776,958 New
TCM
3
TCG Crossover Management
California
$27.6M +$27.7M +1,745,016 New
CC
4
Commodore Capital
New York
$23.7M +$23.8M +1,500,000 New
LGM
5
Logos Global Management
California
$17.8M +$17.9M +1,130,000 New
JP Morgan Chase
6
JP Morgan Chase
New York
$16.3M +$16.4M +1,032,603 New
BlackRock
7
BlackRock
New York
$15.4M +$15.5M +975,000 New
Balyasny Asset Management
8
Balyasny Asset Management
Illinois
$15.3M +$15.4M +968,274 New
VC
9
Vivo Capital
California
$12.6M +$12.7M +800,000 New
Jennison Associates
10
Jennison Associates
New York
$11.7M +$11.7M +739,040 New
Alyeska Investment Group
11
Alyeska Investment Group
Illinois
$10.7M +$10.7M +675,000 New
NCM
12
Nantahala Capital Management
Connecticut
$10.7M +$10.7M +675,000 New
Citadel Advisors
13
Citadel Advisors
Florida
$8.52M +$8.56M +539,370 New
Millennium Management
14
Millennium Management
New York
$8.5M +$8.54M +538,169 New
SCM
15
Soleus Capital Management
Connecticut
$6.32M +$6.35M +400,000 New
Fidelity Investments
16
Fidelity Investments
Massachusetts
$5.83M +$5.86M +369,100 New
Wellington Management Group
17
Wellington Management Group
Massachusetts
$5.44M +$5.47M +344,657 New
Goldman Sachs
18
Goldman Sachs
New York
$5.42M +$5.45M +343,523 New
NFGH
19
Nan Fung Group Holdings
Hong Kong
$4.74M +$4.76M +300,000 New
T. Rowe Price Associates
20
T. Rowe Price Associates
Maryland
$4.46M +$4.48M +282,644 New
Marshall Wace
21
Marshall Wace
United Kingdom
$4.03M +$4.05M +255,526 New
Adage Capital Partners
22
Adage Capital Partners
Massachusetts
$3.16M +$3.17M +200,000 New
BBA
23
Baker Bros. Advisors
New York
$3.16M +$3.17M +200,000 New
IHAM
24
Integral Health Asset Management
New York
$1.58M +$1.59M +100,000 New
Ameriprise
25
Ameriprise
Minnesota
$1.22M +$1.23M +77,450 New

LBRX Hedge Fund Activity: Q3 2025 in Review

53 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in LB Pharmaceuticals (LBRX) for Q3 2025, worth a combined $315M.

Buyers outnumbered sellers: 53 funds opened new LBRX positions and 0 closed out — a net gain of 53 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Deep Track Capital, opening a new position worth an estimated $53.2M.

  • 53 institutional investors held LB Pharmaceuticals (LBRX) as of Q3 2025, up from 0 in Q2 2025.
  • Funds reported $315M of LB Pharmaceuticals stock for Q3 2025.
  • 53 funds opened new LB Pharmaceuticals positions in Q3 2025 and 0 closed out, a net change of +53 holders.
  • The largest LB Pharmaceuticals buyer in Q3 2025 was Deep Track Capital, an estimated $53.2M added.

Based on aggregated 13F filings for Q3 2025.