L
LB Pharmaceuticals Inc Common Stock
LBRX • NASDAQ
LB Pharmaceuticals Inc Common Stock is a publicly traded company on NASDAQ, with a market cap of $483.8M. As of Q3 2025, 89% of shares are held by 53 institutional investors, with Deep Track Capital, LP as the largest holder at 14.94%.
Market Cap$483.8M
Websitelbpharma.us
Overview
Overview of institutional ownership in LBRX as of Q3 2025 with a market cap of $354.4M
All Institutions
- Institutions
- 53
- Value Held
- $314.9M
- Shares Held
- 19.9M
- Avg Position
- $5.9M
- Median Position
- $1.1M
Hedge Funds
- Hedge Funds
- 21
- Value Held
- $191.6M
- Shares Held
- 12.1M
- Avg Position
- $9.1M
- Median Position
- $3.2M
Ownership Breakdown
Based on market cap of $354.4M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in LBRX as of Q3 2025
| Institution | Position Value |
|---|---|
 Deep Track Capital, LP Hedge Fund•Long/Short | $52.9M 1.50% of portfolio |
 RA CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | $28.1M 0.35% of portfolio |
 TCG Crossover Management, LLC Venture Capital | $27.6M 1.38% of portfolio |
 COMMODORE CAPITAL LP Hedge Fund•Long/Short | $23.7M 1.16% of portfolio |
 Logos Global Management LP Hedge Fund•Long/Short | $17.8M 1.81% of portfolio |
 JPMORGAN CHASE & CO Institution | $16.3M 0.00% of portfolio |
B BlackRock, Inc. Institution | $15.4M 0.00% of portfolio |
 BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | $15.3M 0.03% of portfolio |
 Vivo Capital, LLC Venture Capital | $12.6M 1.02% of portfolio |
 JENNISON ASSOCIATES LLC Long Only Manager | $11.7M 0.01% of portfolio |
Net Capital Flow
Institutional buying and selling activity for LBRX in Q3 2025
- Traded
- +$314.9M
- Buyers
- 53
- Sellers
- 0
- Total Bought
- +$314.9M
- Total Sold
- −-
- Avg Position
- $5.9M
Biggest Buyers
| Institution | Net Bought |
|---|---|
Deep Track Capital, LP Hedge Fund•Long/Short | +$52.9M +3.4M shares |
RA CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | +$28.1M +1.8M shares |
TCG Crossover Management, LLC Venture Capital | +$27.6M +1.7M shares |
COMMODORE CAPITAL LP Hedge Fund•Long/Short | +$23.7M +1.5M shares |
Logos Global Management LP Hedge Fund•Long/Short | +$17.8M +1.1M shares |
JPMORGAN CHASE & CO Institution | +$16.3M +1.0M shares |
B BlackRock, Inc. Institution | +$15.4M +975.0K shares |
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$15.3M +968.3K shares |
Vivo Capital, LLC Venture Capital | +$12.6M +800.0K shares |
JENNISON ASSOCIATES LLC Long Only Manager | +$11.7M +739.0K shares |
Biggest Sellers
| Institution | Net Sold | |
|---|---|---|
| No sellers found | ||
Entry and Exit Activity
Institutions that initiated new positions or completely exited LBRX in Q3 2025
- New Positions
- 53
- New Value
- $314.9M
- Exited Positions
- 0
- Exited Value
- -
New Positions
| Institution | Position Value |
|---|---|
Deep Track Capital, LP Hedge Fund•Long/Short | $52.9M 3.4M shares |
RA CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | $28.1M 1.8M shares |
TCG Crossover Management, LLC Venture Capital | $27.6M 1.7M shares |
COMMODORE CAPITAL LP Hedge Fund•Long/Short | $23.7M 1.5M shares |
Logos Global Management LP Hedge Fund•Long/Short | $17.8M 1.1M shares |
JPMORGAN CHASE & CO Institution | $16.3M 1.0M shares |
B BlackRock, Inc. Institution | $15.4M 975.0K shares |
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | $15.3M 968.3K shares |
Vivo Capital, LLC Venture Capital | $12.6M 800.0K shares |
JENNISON ASSOCIATES LLC Long Only Manager | $11.7M 739.0K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
| No exited positions found | |
Options Activity
Institutions with the largest Call and Put options positions in LBRX as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with LBRX as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
N Nan Fung Group Holdings Ltd Institution | 8.73% $4.7M |
Logos Global Management LP Hedge Fund•Long/Short | 1.81% $17.8M |
Deep Track Capital, LP Hedge Fund•Long/Short | 1.50% $52.9M |
TCG Crossover Management, LLC Venture Capital | 1.38% $27.6M |
COMMODORE CAPITAL LP Hedge Fund•Long/Short | 1.16% $23.7M |
Vivo Capital, LLC Venture Capital | 1.02% $12.6M |
N Nantahala Capital Management, LLC Hedge Fund•Multi-Strategy | 0.66% $10.7M |
L Longwood Capital Partners LLC Institution | 0.49% $473.7K |
 Boxer Capital Management, LLC Hedge Fund•Long/Short | 0.36% $1.1M |
RA CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | 0.35% $28.1M |
Hedge Fund Spotlight
Discover hedge funds investing in LBRX
Soleus Capital Management, L.P.
Hedge Fund • Long/Short
Portfolio ManagerGuy Bezalel Levy
- Portfolio Value
- $1.8B
- Positions
- 85
- Last Reported
- Q3 2025
Sector Allocation
L
Position in LB Pharmaceuticals Inc Common Stock
- Market Value
- $6.3M
- Shares Held
- 400.0K
- Portfolio Weight
- 0.34%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Biotechnology Healthcare | $179.9M | 9.82% | |
Biotechnology Healthcare | $138.9M | 7.59% | |
Medical - Instruments & Supplies Healthcare | $124.6M | 6.81% |
