LB Pharmaceuticals Inc
LBRX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001691082
No open-market purchases or sales by LB Pharmaceuticals Inc insiders were filed in the last 90 days; 114 institutions reported holding it in 13F filings for Q2 2026, worth $1.00B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in LB Pharmaceuticals Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 114
- +39 vs. Q1 2026
- Shares held
- 29.8M
- +1.61M (+5.7%) vs. Q1 2026
- Total value
- $965.9M
- +$275.1M (+39.8%) vs. Q1 2026
- New holders
- 42
- 41 more added
- Sold out
- 3
- 13 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting LBRX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 114 | $1.00B |
| Q1 2026 | 77 | $693.7M |
| Q4 2025 | 68 | $551.8M |
| Q3 2025 | 53 | $331.2M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding LB Pharmaceuticals Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vivo Capital, LLC | 800,000 | $26.0M | 2.37% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 863,947 | $28.0M | 0.07% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 921,471 | $29.9M | 0.05% | −2,223−0.2% | Reduced |
| Vanguard Capital Management LLC | 971,165 | $31.5M | 0.00% | +76,512+8.6% | Added |
| Nantahala Capital Management, LLC | 1,052,894 | $34.2M | 2.06% | 00.0% | Unchanged |
| Spruce Street Capital LP | 1,376,159 | $44.7M | 8.76% | 00.0% | Unchanged |
| Caligan Partners LP | 1,438,070 | $46.7M | 2.25% | 00.0% | Unchanged |
| TCG Crossover Management, LLC | 1,447,310 | $47.0M | 1.13% | −392,179−21.3% | Reduced |
| Commodore Capital LP | 1,500,000 | $48.7M | 2.90% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,497,293 | $48.9M | 0.00% | +69,725+4.9% | Added |
| Trails Edge Capital Partners, LP | 1,523,022 | $49.4M | 7.85% | +203,660+15.4% | Added |
| Ra Capital Management, L.P. | 2,208,604 | $71.7M | 0.62% | 00.0% | Unchanged |
| BlackRock, Inc. | 2,734,305 | $88.7M | 0.00% | +263,460+10.7% | Added |
| Deep Track Capital, LP | 3,352,804 | $108.8M | 1.60% | 00.0% | Unchanged |
| Opaleye Management Inc. | 0 | $0 | 0.00% | −14,506−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −5,100−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |