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, Q1 2026
Institutional positions in LB Pharmaceuticals Inc as of Mar 31, 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
- 77
- +11 vs. Q4 2025
- Shares held
- 28.2M
- +4.55M (+19.2%) vs. Q4 2025
- Total value
- $692.4M
- +$165.8M (+31.5%) vs. Q4 2025
- New holders
- 20
- 31 more added
- Sold out
- 9
- 14 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding LB Pharmaceuticals Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deep Track Capital, LP | 3,352,804 | $82.7M | 1.71% | 00.0% | Unchanged |
| BlackRock, Inc. | 2,470,845 | $60.9M | 0.00% | +231,911+10.4% | Added |
| Ra Capital Management, L.P. | 2,208,604 | $54.5M | 0.58% | 00.0% | Unchanged |
| TCG Crossover Management, LLC | 1,839,489 | $45.3M | 1.30% | +94,474+5.4% | Added |
| Commodore Capital LP | 1,500,000 | $37.0M | 2.14% | 00.0% | Unchanged |
| Caligan Partners LP | 1,438,070 | $34.6M | 2.45% | +1,438,070 | New |
| Spruce Street Capital LP | 1,376,159 | $33.6M | 8.09% | +370,566+36.9% | Added |
| JPMorgan Chase & Co | 1,427,568 | $33.2M | 0.00% | −183,914−11.4% | Reduced |
| Trails Edge Capital Partners, LP | 1,319,362 | $32.5M | 7.66% | −76,246−5.5% | Reduced |
| Nantahala Capital Management, LLC | 1,052,894 | $26.0M | 1.62% | +377,894+56.0% | Added |
| Balyasny Asset Management LLC | 923,694 | $22.8M | 0.04% | +26,888+3.0% | Added |
| Logos Global Management LP | 915,000 | $22.6M | 1.16% | −285,000−23.8% | Reduced |
| Vanguard Capital Management LLC | 894,653 | $22.1M | 0.00% | +894,653 | New |
| Alyeska Investment Group, L.P. | 863,947 | $21.3M | 0.06% | +188,947+28.0% | Added |
| Vivo Capital, LLC | 800,000 | $19.7M | 1.64% | 00.0% | Unchanged |
| Nan Fung Group Holdings Ltd | 630,657 | $15.6M | 12.82% | +330,657+110.2% | Added |
| Jennison Associates LLC | 538,216 | $13.3M | 0.01% | −283,636−34.5% | Reduced |
| Geode Capital Management, LLC | 518,228 | $12.8M | 0.00% | +76,774+17.4% | Added |
| State Street Corp | 504,373 | $12.4M | 0.00% | +254,343+101.7% | Added |
| Citadel Advisors LLC | 416,906 | $10.3M | 0.01% | +9,238+2.3% | Added |
| Goldman Sachs Group Inc | 363,799 | $8.97M | 0.00% | +60,684+20.0% | Added |
| Great Point Partners LLC | 300,000 | $7.40M | 1.81% | +300,000 | New |
| FMR LLC | 222,508 | $5.49M | 0.00% | +643+0.3% | Added |
| Baker Bros. Advisors LP | 200,000 | $4.93M | 0.03% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 186,095 | $4.59M | 0.00% | +8,479+4.8% | Added |
| HighVista Strategies LLC | 173,595 | $4.28M | 1.18% | +33,488+23.9% | Added |
| Vanguard Fiduciary Trust Co | 157,426 | $3.88M | 0.00% | +157,426 | New |
| Northern Trust Corp | 154,398 | $3.81M | 0.00% | +10,432+7.2% | Added |
| Integral Health Asset Management, LLC | 150,000 | $3.70M | 0.20% | +50,000+50.0% | Added |
| UBS Group AG | 137,932 | $3.40M | 0.00% | +87,219+172.0% | Added |
| Millennium Management LLC | 136,966 | $3.38M | 0.00% | +136,966 | New |
| Vanguard Portfolio Management LLC | 112,497 | $2.77M | 0.00% | +112,497 | New |
| Ameriprise Financial Inc | 108,307 | $2.67M | 0.00% | −85,237−44.0% | Reduced |
| Eversept Partners, LP | 100,198 | $2.47M | 0.16% | +100,198 | New |
| Russell Investments Group, Ltd. | 72,067 | $1.78M | 0.00% | +70,542+4,625.7% | Added |
| Boxer Capital Management, LLC | 70,000 | $1.73M | 0.23% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 65,429 | $1.61M | 0.00% | +65,429 | New |
| Wellington Management Group LLP | 52,640 | $1.30M | 0.00% | +52,640 | New |
| StemPoint Capital LP | 50,000 | $1.23M | 0.24% | +50,000 | New |
| Morgan Stanley | 47,280 | $1.17M | 0.00% | +22,639+91.9% | Added |
| Bank of New York Mellon Corp | 45,457 | $1.12M | 0.00% | +4,940+12.2% | Added |
| Acuta Capital Partners, LLC | 28,919 | $713.1K | 0.51% | −1,081−3.6% | Reduced |
| Calamos Advisors LLC | 24,063 | $593.4K | 0.00% | +24,063 | New |
| Nuveen, LLC | 22,966 | $566.3K | 0.00% | 00.0% | Unchanged |
| Colony Group, LLC | 19,815 | $488.6K | 0.00% | −280−1.4% | Reduced |
| Rhumbline Advisers | 17,103 | $421.8K | 0.00% | +820+5.0% | Added |
| Bank of America Corp | 16,618 | $409.8K | 0.00% | −27,140−62.0% | Reduced |
| Deutsche Bank AG | 15,359 | $378.8K | 0.00% | +2,061+15.5% | Added |
| Meyer Handelman Co | 15,094 | $372.2K | 0.01% | +15,094 | New |
| Opaleye Management Inc. | 14,506 | $357.7K | 0.05% | +14,506 | New |
| Price T Rowe Associates Inc | 13,229 | $327.0K | 0.00% | +2,155+19.5% | Added |
| Two Sigma Investments, LP | 12,720 | $313.7K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 11,104 | $273.8K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 10,729 | $264.6K | 0.00% | −226−2.1% | Reduced |
| Soleus Capital Management, L.P. | 10,000 | $246.6K | 0.01% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 9,931 | $244.9K | 0.00% | +9,931 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 9,170 | $226.1K | 0.00% | +204+2.3% | Added |
| Vanguard Global Advisers, LLC | 8,753 | $215.8K | 0.00% | +8,753 | New |
| Wells Fargo & Company | 8,623 | $212.6K | 0.00% | −13,680−61.3% | Reduced |
| New York State Common Retirement Fund | 6,100 | $150.4K | 0.00% | +6,100 | New |
| Police & Firemen's Retirement System of New Jersey | 6,041 | $149.0K | 0.00% | +1,616+36.5% | Added |
| Citigroup Inc | 5,569 | $137.3K | 0.00% | +5,134+1,180.2% | Added |
| STRS Ohio | 5,100 | $125.8K | 0.00% | +1,700+50.0% | Added |
| Federated Hermes, Inc. | 5,000 | $123.3K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 4,530 | $111.7K | 0.00% | −25,685−85.0% | Reduced |
| BNP Paribas Arbitrage, SA | 4,052 | $99.9K | 0.00% | +45+1.1% | Added |
| Legal & General Group Plc | 1,723 | $42.5K | 0.00% | −155−8.3% | Reduced |
| Tower Research Capital LLC (TRC) | 1,661 | $41.0K | 0.00% | +300+22.0% | Added |
| Ameritas Investment Partners, Inc. | 1,562 | $38.5K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 1,041 | $25.7K | 0.00% | −143−12.1% | Reduced |
| Sterling Capital Management LLC | 368 | $9.07K | 0.00% | −224−37.8% | Reduced |
| GAMMA Investing LLC | 162 | $4.00K | 0.00% | +148+1,057.1% | Added |
| The PNC Financial Services Group, Inc. | 145 | $3.58K | 0.00% | +145 | New |
| Massmutual Trust Co FSB | 54 | $1.33K | 0.00% | +54 | New |
| CWM, LLC | 29 | $715 | 0.00% | +21+262.5% | Added |
| Allworth Financial LP | 1 | $25 | 0.00% | +1 | New |
| EverSource Wealth Advisors, LLC | 1 | $25 | 0.00% | +1 | New |
| Longbow Finance SA | 0 | $0 | 0.00% | −82,336−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −31,733−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −19,121−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −18,014−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −12,445−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −6,434−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −4,080−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −767−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −605−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |