
LB Pharmaceuticals Inc Common Stock
LBRXHealthcare|Biotechnology|US
$42.01
+3.92 (+10.29%)
DCF Value
$9.67
Tangible Book / Share
$12.63
Cash / Share
$12.21
Ownership Breakdown
82.3%
Float
32.3M
Shares Outstanding
26.5M
Float Shares
Major Holders (28)
Combined: 181.9%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| David Kroin | Individual | 11.70% | 3,352,804 | Feb 10, 2026 | 13D/G |
| Deep Track Capital, LP | Investment adviser | 11.70% | 3,352,804 | Feb 10, 2026 | 13D/G |
| Deep Track Biotechnology Master Fund, Ltd. | Other | 9.40% | 2,686,138 | Feb 10, 2026 | 13D/G |
| RA Capital Management, L.P. | IA, PN | 8.70% | 2,208,604 | Feb 17, 2026 | 13D/G |
| Peter Kolchinsky | HC, IN | 8.70% | 2,208,604 | Feb 17, 2026 | 13D/G |
| Rajeev Shah | HC, IN | 8.70% | 2,208,604 | Feb 17, 2026 | 13D/G |
| RA Capital Healthcare Fund, L.P. | Partnership | 8.70% | 2,208,604 | Feb 17, 2026 | 13D/G |
| Michael Kramarz | HC, IN | 6.80% | 1,972,369 | May 15, 2026 | 13D/G |
| Robert Egen Atkinson | HC, IN | 6.80% | 1,972,369 | May 15, 2026 | 13D/G |
| Commodore Capital Master LP | Partnership | 6.80% | 1,972,369 | May 15, 2026 | 13D/G |
| Commodore Capital LP | IA, PN | 6.80% | 1,972,369 | May 15, 2026 | 13D/G |
| BlackRock, Inc. | Holding company | 6.30% | 1,796,543 | Jul 29, 2026 | 13D/G |
| Ran Nussbaum | Individual | 6.30% | 1,411,681 | Sep 25, 2025 | 13D/G |
| Pontifax VI G.P. L.P. | Partnership | 6.30% | 1,411,681 | Sep 25, 2025 | 13D/G |
| Pontifax Management 4 G.P. (2015) Ltd. | Corporation | 6.30% | 1,411,681 | Sep 25, 2025 | 13D/G |
| Tomer Kariv | Individual | 6.30% | 1,411,681 | Sep 25, 2025 | 13D/G |
| Jpmorgan Chase & Co | Holding company | 5.20% | 1,497,293 | Jul 16, 2026 | 13D/G |
| TCG Crossover GP II, LLC | Other | 5.00% | 1,447,310 | Aug 14, 2026 | 13D/G |
| Chen Yu | Individual | 5.00% | 1,447,310 | Aug 14, 2026 | 13D/G |
| TCG Crossover Fund II, L.P. | Partnership | 5.00% | 1,447,310 | Aug 14, 2026 | 13D/G |
| Caligan Partners LP | IA, PN | 5.00% | 1,438,070 | May 15, 2026 | 13D/G |
| Johnson David Edward | HC, IN | 5.00% | 1,438,070 | May 15, 2026 | 13D/G |
| Trails Edge Biotechnology Master Fund, LP | Partnership | 5.00% | 1,268,265 | Dec 31, 2025 | 13D/G |
| Trails Edge Capital Partners, LP | IA, PN | 5.00% | 1,268,265 | Dec 31, 2025 | 13D/G |
| Ortav Yehudai | Individual | 5.00% | 1,268,265 | Dec 31, 2025 | 13D/G |
| Jpmorgan Chase & Co. | Holding company | 4.30% | 1,401,790 | Oct 13, 2026 | 13D/G |
| BlackRock Portfolio Management LLC | Holding company | 3.80% | 961,158 | Jan 21, 2026 | 13D/G |
| Deep Track Special Opportunities Fund, LP | Partnership | 2.30% | 666,666 | Feb 10, 2026 | 13D/G |
Insider Trades (5)
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Miller Joseph M | Chief Financial Officer | Oct 9, 2026 | AWARD | 200,000 | $37.22 | $7.4M | Form 4 |
| Kozauer Susan Gani | Chief Medical Officer | Oct 9, 2026 | AWARD | 200,000 | $37.22 | $7.4M | Form 4 |
| Kozauer Susan Gani | Sep 14, 2026 | OTHER | 0 | — | — | Form 4 | |
| Miller Joseph M | Sep 2, 2026 | OTHER | 0 | — | — | Form 4 | |
| Deep Track Biotechnology Master Fund, Ltd. | 10 percent owner | Jul 30, 2026 | BUY | 286,205 | $0.00 | $28.62 | Form 4 |