| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Deep Track Capital, LP | 15% | 3,352,804 | Deep Track Capital, LP | 12 Sep 2025 | ||||
| RA CAPITAL MANAGEMENT, L.P. | 8.7% | +15% | $42,029,734 | +$10,154,484 | 2,208,604 | +32% | RA Capital Management, L.P. | 31 Dec 2025 |
| TCG Crossover GP II, LLC | 7.8% | 1,745,015 | TCG Crossover GP II, LLC | 12 Sep 2025 | ||||
| JPMORGAN CHASE & CO | 6.3% | $35,864,660 | 1,611,482 | JPMORGAN CHASE & CO. | 31 Dec 2025 | |||
| Pontifax Management 4 G.P. (2015) Ltd. | 6.3% | 1,411,681 | Pontifax Management 4 G.P. (2015) Ltd. | 12 Sep 2025 | ||||
| BlackRock, Inc. | 5.1% | $28,437,799 | 1,277,776 | BlackRock, Inc. | 31 Dec 2025 | |||
| Trails Edge Capital Partners, LP | 5% | $20,964,420 | 1,268,265 | Trails Edge Capital Partners, LP | 24 Dec 2025 | |||
| Commodore Capital LP | 5.5% | 1,225,000 | Commodore Capital LP | 11 Sep 2025 | ||||
| BlackRock Portfolio Management LLC | 3.8% | -35% | $21,391,244 | -$308,063 | 961,158 | -1.4% | BlackRock Portfolio Management LLC | 31 Dec 2025 |
As of 31 Dec 2025, 67 institutional investors reported holding 24,789,567 shares of LB PHARMACEUTICALS INC - Common Stock, $0.0001 par value per share (LBRX). This represents 98% of the company’s total 25,386,253 outstanding shares.
The largest institutional shareholders of LB PHARMACEUTICALS INC - Common Stock, $0.0001 par value per share (LBRX) together control 94% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Deep Track Capital, LP | 13% | 3,352,804 | 0% | 1.7% | $74,633,417 |
| BlackRock, Inc. | 8.8% | 2,238,934 | +130% | 0% | $49,838,671 |
| RA CAPITAL MANAGEMENT, L.P. | 8.7% | 2,208,604 | +24% | 0.51% | $49,163,525 |
| TCG Crossover Management, LLC | 6.9% | 1,745,015 | -0% | 1.3% | $38,844,034 |
| JPMORGAN CHASE & CO | 6.3% | 1,611,482 | +56% | 0% | $35,871,589 |
| Commodore Capital LP | 5.9% | 1,500,000 | 0% | 2.2% | $33,390,000 |
| Trails Edge Capital Partners, LP | 5.5% | 1,395,608 | 0% | 7.7% | $31,066,234 |
| Logos Global Management LP | 4.7% | 1,200,000 | +6.2% | 1.8% | $26,712,000 |
| VANGUARD GROUP INC | 4.4% | 1,112,978 | 0% | $24,774,891 | |
| Spruce Street Capital LP | 4% | 1,005,593 | 0% | 7.4% | $22,384,500 |
| Balyasny Asset Management L.P. | 3.5% | 896,806 | -7.4% | 0.04% | $19,962,902 |
| JENNISON ASSOCIATES LLC | 3.2% | 821,852 | +11% | 0.01% | $18,294,425 |
| Vivo Capital, LLC | 3.2% | 800,000 | 0% | 1.2% | $17,808,000 |
| Nantahala Capital Management, LLC | 2.7% | 675,000 | 0% | 0.9% | $15,025,500 |
| Alyeska Investment Group, L.P. | 2.7% | 675,000 | 0% | 0.04% | $15,025,500 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7% | 441,454 | +3148% | 0% | $9,829,858 |
| CITADEL ADVISORS LLC | 1.6% | 407,668 | -24% | 0.01% | $9,074,690 |
| GOLDMAN SACHS GROUP INC | 1.2% | 303,115 | -12% | 0% | $6,747,340 |
| Nan Fung Group Holdings Ltd | 1.2% | 300,000 | 0% | 6% | $6,678,000 |
| STATE STREET CORP | 0.98% | 250,030 | 0% | $5,565,668 | |
| FMR LLC | 0.87% | 221,865 | -40% | 0% | $4,938,715 |
| BAKER BROS. ADVISORS LP | 0.79% | 200,000 | 0% | 0.03% | $4,452,000 |
| AMERIPRISE FINANCIAL INC | 0.76% | 193,544 | +150% | 0% | $4,308,289 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.7% | 177,616 | 0% | $3,953,732 | |
| NORTHERN TRUST CORP | 0.57% | 143,966 | 0% | $3,204,684 |