LB PHARMACEUTICALS INC - LBRX
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 3 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Deep Track Capital, LP | History | No change | 3,352,804 | 74,633 | 1.33% | 1.48% | 1 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | Added to | 2,238,934 | 49,838 | 0.0% | 0.0% | 2 | +1,263,934 | 129.63% | Q4 2025 | Feb 12, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | History | Added to | 2,208,604 | 49,163 | 0.5% | 0.35% | 3 | +431,646 | 24.29% | Q4 2025 | Feb 17, 2026 |
| TCG Crossover Management, LLC | History | Reduced | 1,745,015 | 38,844 | 1.29% | 1.36% | 4 | -1 | 0.0% | Q4 2025 | Feb 17, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 1,611,482 | 35,871 | 0.0% | 0.0% | 5 | +578,879 | 56.06% | Q4 2025 | Feb 11, 2026 |
| Commodore Capital LP | History | No change | 1,500,000 | 33,390 | 2.22% | 1.16% | 6 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Trails Edge Capital Partners, LP | History | New | 1,395,608 | 31,066 | 7.68% | — | 7 | +1,395,608 | New | Q4 2025 | Feb 17, 2026 |
| Logos Global Management LP | History | Added to | 1,200,000 | 26,712 | 1.61% | 1.6% | 8 | +70,000 | 6.19% | Q4 2025 | Feb 17, 2026 |
| VANGUARD GROUP INC | History | New | 1,112,978 | 24,774 | 0.0% | — | 9 | +1,112,978 | New | Q4 2025 | Jan 29, 2026 |
| Spruce Street Capital LP | History | New | 1,005,593 | 22,384 | 7.4% | — | 10 | +1,005,593 | New | Q4 2025 | Feb 13, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Reduced | 896,806 | 19,962 | 0.03% | 0.02% | 11 | -71,468 | -7.38% | Q4 2025 | Feb 17, 2026 |
| JENNISON ASSOCIATES LLC | History | Added to | 821,852 | 18,294 | 0.01% | 0.01% | 12 | +82,812 | 11.21% | Q4 2025 | Jan 30, 2026 |
| Vivo Capital, LLC | History | No change | 800,000 | 17,808 | 1.15% | 1.02% | 13 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Alyeska Investment Group, L.P. | History | No change | 675,000 | 15,025 | 0.04% | 0.03% | 14 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Nantahala Capital Management, LLC | History | No change | 675,000 | 15,025 | 0.5% | 0.37% | 15 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 441,454 | 9,829 | 0.0% | 0.0% | 16 | +427,863 | 3148.13% | Q4 2025 | Feb 09, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 407,668 | 9,074 | 0.0% | 0.0% | 17 | -131,702 | -24.42% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 303,115 | 6,747 | 0.0% | 0.0% | 18 | -40,408 | -11.76% | Q4 2025 | Mar 25, 2026 |
| Nan Fung Group Holdings Ltd | History | No change | 300,000 | 6,678 | 5.98% | 7.95% | 19 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| STATE STREET CORP | History | New | 250,030 | 5,565 | 0.0% | — | 20 | +250,030 | New | Q4 2025 | Feb 13, 2026 |
| FMR LLC | History | Reduced | 221,865 | 4,938 | 0.0% | 0.0% | 21 | -147,235 | -39.89% | Q4 2025 | Feb 17, 2026 |
| BAKER BROS. ADVISORS LP | History | No change | 200,000 | 4,452 | 0.03% | 0.02% | 22 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| AMERIPRISE FINANCIAL INC | History | Added to | 193,544 | 4,308 | 0.0% | 0.0% | 23 | +116,094 | 149.9% | Q4 2025 | Feb 17, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | New | 177,616 | 3,953 | 0.0% | — | 24 | +177,616 | New | Q4 2025 | Feb 13, 2026 |
| NORTHERN TRUST CORP | History | New | 143,966 | 3,204 | 0.0% | — | 25 | +143,966 | New | Q4 2025 | Feb 17, 2026 |
| HighVista Strategies LLC | History | New | 140,107 | 3,118 | 0.8% | — | 26 | +140,107 | New | Q4 2025 | Feb 17, 2026 |
| Integral Health Asset Management, LLC | History | No change | 100,000 | 2,226 | 0.11% | 0.11% | 27 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Longbow Finance SA | History | New | 82,336 | 1,832 | 0.31% | — | 28 | +82,336 | New | Q4 2025 | Feb 12, 2026 |
| Boxer Capital Management, LLC | History | No change | 70,000 | 1,558 | 0.34% | 0.35% | 29 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Added to | 50,713 | 1,128 | 0.0% | 0.0% | 30 | +49,658 | 4706.92% | Q4 2025 | Jan 29, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 43,758 | 974 | 0.0% | 0.0% | 31 | +42,058 | 2474.0% | Q4 2025 | Feb 17, 2026 |
| Bank of New York Mellon Corp | History | New | 40,517 | 901 | 0.0% | — | 32 | +40,517 | New | Q4 2025 | Feb 10, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 31,733 | 706 | 0.0% | 0.0% | 33 | +1,388 | 4.57% | Q4 2025 | Feb 12, 2026 |
| BARCLAYS PLC | History | Reduced | 30,215 | 672 | 0.0% | 0.0% | 34 | -624 | -2.02% | Q4 2025 | Feb 13, 2026 |
| ACUTA CAPITAL PARTNERS, LLC | History | No change | 30,000 | 667 | 0.45% | 0.49% | 35 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | Added to | 24,641 | 548 | 0.0% | 0.0% | 36 | +15,036 | 156.54% | Q4 2025 | Feb 13, 2026 |
| Nuveen, LLC | History | New | 22,966 | 511 | 0.0% | — | 37 | +22,966 | New | Q4 2025 | Feb 12, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 22,303 | 496 | 0.0% | 0.0% | 38 | +21,303 | 2130.3% | Q4 2025 | Feb 13, 2026 |
| Focus Partners Wealth | History | New | 20,095 | 447 | 0.0% | — | 39 | +20,095 | New | Q4 2025 | Feb 13, 2026 |
| NORGES BANK | History | New | 20,000 | 445 | 0.0% | — | 40 | +20,000 | New | Q4 2025 | Feb 10, 2026 |
| XTX Topco Ltd | History | Added to | 19,121 | 425 | 0.01% | 0.01% | 41 | +7,845 | 69.57% | Q4 2025 | Feb 17, 2026 |
| MARSHALL WACE, LLP | History | Reduced | 18,014 | 400 | 0.0% | 0.0% | 42 | -237,512 | -92.95% | Q4 2025 | Feb 13, 2026 |
| RHUMBLINE ADVISERS | History | New | 16,283 | 362 | 0.0% | — | 43 | +16,283 | New | Q4 2025 | Feb 13, 2026 |
| DEUTSCHE BANK AG\ | History | New | 13,298 | 296 | 0.0% | — | 44 | +13,298 | New | Q4 2025 | Feb 11, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 12,720 | 283 | 0.0% | 0.0% | 45 | -780 | -5.78% | Q4 2025 | Feb 17, 2026 |
| Jefferies Financial Group Inc. | History | Reduced | 12,445 | 277 | 0.0% | 0.0% | 46 | -655 | -5.0% | Q4 2025 | Feb 09, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Reduced | 11,074 | 247 | 0.0% | 0.0% | 47 | -271,570 | -96.08% | Q4 2025 | Feb 17, 2026 |
| MetLife Investment Management, LLC | History | New | 11,104 | 247 | 0.0% | — | 48 | +11,104 | New | Q4 2025 | Feb 12, 2026 |
| Invesco Ltd. | History | New | 10,955 | 243 | 0.0% | — | 49 | +10,955 | New | Q4 2025 | Feb 19, 2026 |
| Soleus Capital Management, L.P. | History | Reduced | 10,000 | 222 | 0.01% | 0.32% | 50 | -390,000 | -97.5% | Q4 2025 | Feb 12, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | New | 8,966 | 199 | 0.0% | — | 51 | +8,966 | New | Q4 2025 | Feb 17, 2026 |
| SG Americas Securities, LLC | History | New | 6,434 | 143 | 0.0% | — | 52 | +6,434 | New | Q4 2025 | Jan 09, 2026 |
| FEDERATED HERMES, INC. | History | Reduced | 5,000 | 111 | 0.0% | 0.0% | 53 | -4,000 | -44.44% | Q4 2025 | Feb 12, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | New | 4,425 | 98 | 0.0% | — | 54 | +4,425 | New | Q4 2025 | Feb 13, 2026 |
| Persistent Asset Partners Ltd | History | New | 4,080 | 90 | 0.04% | — | 55 | +4,080 | New | Q4 2025 | Feb 17, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | New | 4,007 | 89 | 0.0% | — | 56 | +4,007 | New | Q4 2025 | Feb 10, 2026 |
| STRS OHIO | History | New | 3,400 | 75 | 0.0% | — | 57 | +3,400 | New | Q4 2025 | Feb 02, 2026 |
| Legal & General Group Plc | History | New | 1,878 | 41 | 0.0% | — | 58 | +1,878 | New | Q4 2025 | Feb 09, 2026 |
| Ameritas Investment Partners, Inc. | History | New | 1,562 | 34 | 0.0% | — | 59 | +1,562 | New | Q4 2025 | Feb 11, 2026 |
| Russell Investments Group, Ltd. | History | New | 1,525 | 33 | 0.0% | — | 60 | +1,525 | New | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 1,361 | 30 | 0.0% | — | 61 | +1,361 | New | Q4 2025 | Feb 17, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | New | 1,184 | 26 | 0.0% | — | 62 | +1,184 | New | Q4 2025 | Feb 17, 2026 |
| ROYAL BANK OF CANADA | History | New | 767 | 17 | 0.0% | — | 63 | +767 | New | Q4 2025 | Feb 17, 2026 |
| AMALGAMATED BANK | History | New | 605 | 13 | 0.0% | — | 64 | +605 | New | Q4 2025 | Feb 05, 2026 |
| Sterling Capital Management LLC | History | New | 592 | 13 | 0.0% | — | 65 | +592 | New | Q4 2025 | Feb 13, 2026 |
| CITIGROUP INC | History | New | 435 | 9 | 0.0% | — | 66 | +435 | New | Q4 2025 | Feb 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -538,169 | -100.0% | Q3 2025 | Nov 14, 2025 |
| WELLINGTON MANAGEMENT GROUP LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -344,657 | -100.0% | Q3 2025 | Nov 14, 2025 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | Closed out | 0 | 0 | — | 0.01% | — | -200,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SILVERARC CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.15% | — | -70,000 | -100.0% | Q3 2025 | Nov 12, 2025 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -58,815 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Monashee Investment Management LLC | History | Closed out | 0 | 0 | — | 0.31% | — | -40,000 | -100.0% | Q3 2025 | Nov 12, 2025 |
| TD ASSET MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -36,780 | -100.0% | Q3 2025 | Nov 10, 2025 |
| Hudson Bay Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -27,097 | -100.0% | Q3 2025 | Dec 15, 2025 |
| Squarepoint Ops LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -20,825 | -100.0% | Q3 2025 | Nov 14, 2025 |
| OXFORD ASSET MANAGEMENT LLP | History | Closed out | 0 | 0 | — | 1.34% | — | -17,763 | -100.0% | Q3 2025 | Feb 17, 2026 |
| ARISTEIA CAPITAL, L.L.C. | History | Closed out | 0 | 0 | — | 0.01% | — | -15,270 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Quantessence Capital LLC | History | Closed out | 0 | 0 | — | 0.07% | — | -14,225 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Brevan Howard Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -13,259 | -100.0% | Q3 2025 | Nov 14, 2025 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | History | Closed out | 0 | 0 | — | 0.01% | — | -10,638 | -100.0% | Q3 2025 | Nov 13, 2025 |
| GAMMA Investing LLC | History | New | 14 | 0 | — | — | — | +14 | New | Q4 2025 | Jan 05, 2026 |
| Quarry LP | History | Closed out | 0 | 0 | — | — | — | -11 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CWM, LLC | History | New | 8 | 0 | — | — | — | +8 | New | Q4 2025 | Jan 26, 2026 |