LB PharmaceuticalsLBRX
13F holders, Q1 2026 (March 31)77holders +9
16new positions
9sold out
2famous investors
$24.55avg. 13F price*
At the end of Q1 2026, 77 institutions reported holding LB Pharmaceuticals Inc. (LBRX) in their 13F filings, up 9 from Q4 2025. 16 opened new positions and 9 sold out. The largest holders were Deep Track Capital, LP ($82.7M), BlackRock, Inc. ($60.9M) and Ra Capital Management, L.P. ($54.5M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- LB Pharmaceuticals Inc.
- CUSIP
- 50180M108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 16 | $53.7M |
| Exits | 9 | $3.9M |
All 13F filers, Q4 2025 → Q1 2026: 4,538,160 shares bought and 1,158,182 shares sold, net +3,379,978 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 77 holders
| Deep Track Capital, LP | 1.71% | No change | 3,352,804 | $82.7M |
| BlackRock, Inc. | 0.00% | Add +10.4% | 2,470,845 | $60.9M |
| Ra Capital Management, L.P. | 0.58% | No change | 2,208,604 | $54.5M |
| TCG Crossover Management, LLC | 1.30% | Add +5.4% | 1,839,489 | $45.3M |
| Commodore Capital LP | 2.14% | No change | 1,500,000 | $37.0M |
| Caligan Partners LP | 2.45% | New | 1,438,070 | $34.6M |
| Spruce Street Capital LP | 8.09% | Add +36.9% | 1,376,159 | $33.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -11.4% | 1,427,568 | $33.2M |
| Trails Edge Capital Partners, LP | 7.66% | Reduce -5.5% | 1,319,362 | $32.5M |
| Nantahala Capital Management, LLC | 1.63% | Add +56.0% | 1,052,894 | $26.0M |
| Balyasny Asset Management L.P. | 0.05% | Add +3.0% | 923,694 | $22.8M |
| Logos Global Management LP | 1.16% | Reduce -23.8% | 915,000 | $22.6M |
| Vanguard Capital Management LLC | 0.00% | — | 894,653 | $22.1M |
| Alyeska Investment Group, L.P. | 0.06% | Add +28.0% | 863,947 | $21.3M |
| Vivo Capital, LLC | 1.64% | No change | 800,000 | $19.7M |
| Nan Fung Group Holdings Ltd | 12.82% | Add +110.2% | 630,657 | $15.6M |
| Jennison Associates LLC | 0.01% | Reduce -34.5% | 538,216 | $13.3M |
| Geode Capital Management, LLC | 0.00% | Add +17.4% | 518,228 | $12.8M |
| State Street Corp. | 0.00% | Add +101.7% | 504,373 | $12.4M |
| Citadel Advisors | 0.01% | Add +2.3% | 416,906 | $10.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +20.0% | 363,799 | $9.0M |
| Great Point Partners LLC | 1.81% | New | 300,000 | $7.4M |
| FMR LLC | 0.00% | Add +0.3% | 222,508 | $5.5M |
| Baker Bros. Advisors LP | 0.03% | No change | 200,000 | $4.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +4.8% | 186,095 | $4.6M |
| HighVista Strategies LLC | 1.18% | Add +23.9% | 173,595 | $4.3M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 157,426 | $3.9M |
| Northern Trust Corp. | 0.00% | Add +7.3% | 154,398 | $3.8M |
| Integral Health Asset Management, LLC | 0.20% | Add +50.0% | 150,000 | $3.7M |
| UBS Group AG | 0.00% | Add +172.0% | 137,932 | $3.4M |
| Millennium Management | 0.00% | New | 136,966 | $3.4M |
| Vanguard Portfolio Management LLC | 0.00% | — | 112,497 | $2.8M |
| Ameriprise Financial Inc. | 0.00% | Reduce -44.0% | 108,307 | $2.7M |
| Eversept Partners, LP | 0.16% | New | 100,198 | $2.5M |
| Russell Investments Group, Ltd. | 0.00% | Add +4625.7% | 72,067 | $1.8M |
| Boxer Capital Management, LLC | 0.23% | No change | 70,000 | $1.7M |
| Janus Henderson Group PLC | 0.00% | New | 65,429 | $1.6M |
| Wellington Management Group LLP | 0.00% | New | 52,640 | $1.3M |
| Stempoint Capital LP | 0.24% | New | 50,000 | $1.2M |
| Morgan Stanley | 0.00% | Add +91.9% | 47,280 | $1.2M |
| Bank of New York Mellon Corp | 0.00% | Add +12.2% | 45,457 | $1.1M |
| Acuta Capital Partners, LLC | 0.51% | Reduce -3.6% | 28,919 | $713K |
| Calamos Advisors LLC | 0.00% | New | 24,063 | $593K |
| Nuveen, LLC | 0.00% | No change | 22,966 | $566K |
| Focus Partners Wealth | 0.00% | Reduce -1.4% | 19,815 | $489K |
| Rhumbline Advisers | 0.00% | Add +5.0% | 17,103 | $422K |
| Bank of America Corp. | 0.00% | Reduce -62.0% | 16,618 | $410K |
| Deutsche Bank AG | 0.00% | Add +15.5% | 15,359 | $379K |
| Meyer Handelman Co. | 0.01% | New | 15,094 | $372K |
| Opaleye Management Inc. | 0.05% | New | 14,506 | $358K |
| T. Rowe Price Associates Inc. | 0.00% | Add +19.5% | 13,229 | $327K |
| Two Sigma Investments, LP | 0.00% | No change | 12,720 | $314K |
| MetLife Investment Management, LLC | 0.00% | No change | 11,104 | $274K |
| Invesco Ltd. | 0.00% | Reduce -2.1% | 10,729 | $265K |
| Soleus Capital Management, L.P. | 0.01% | No change | 10,000 | $247K |
| Quadrature Capital Ltd | 0.00% | New | 9,931 | $245K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.3% | 9,170 | $226K |
| Vanguard Global Advisers, LLC | 0.00% | — | 8,753 | $216K |
| Wells Fargo & Company | 0.00% | Reduce -61.3% | 8,623 | $213K |
| New York State Common Retirement Fund | 0.00% | New | 6,100 | $150K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +36.5% | 6,041 | $149K |
| Citigroup Inc. | 0.00% | Add +1180.2% | 5,569 | $137K |
| STRS Ohio | 0.00% | Add +50.0% | 5,100 | $126K |
| Federated Hermes, Inc. | 0.00% | No change | 5,000 | $123K |
| Barclays PLC | 0.00% | Reduce -85.0% | 4,530 | $112K |
| BNP Paribas Financial Markets | 0.00% | Add +1.1% | 4,052 | $100K |
| Legal & General Group Plc | 0.00% | Reduce -8.3% | 1,723 | $42K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +22.0% | 1,661 | $41K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,562 | $39K |
| California State Teachers Retirement System | 0.00% | Reduce -12.1% | 1,041 | $26K |
| Sterling Capital Management LLC | 0.00% | Reduce -37.8% | 368 | $9K |
| GAMMA Investing LLC | 0.00% | Add +1057.1% | 162 | $4K |
| PNC Financial Services Group, Inc. | 0.00% | New | 145 | $4K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | New | 54 | $1K |
| Cwm, LLC | 0.00% | Add +262.5% | 29 | $715 |
| Allworth Financial LP | 0.00% | New | 1 | $25 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 1 | $25 |
"% of holder's portfolio" is LBRX's weight in each manager's 13F, not the share of LB Pharmaceuticals Inc. the manager owns.