LB Pharmaceuticals Inc LBRX
42.01 USD +3.92 (+10.29%)
At closeNov 6, 2026, 5:36 PM EST
42.50 +0.49 +1.17%
After hours · Nov 6, 5:36 PM ET
38.52 Day range 42.29
14.32 52-week range 50.16
- YTD
- +88.72%
- 1 year
- +170.86%
Held by funds
76 US ETFs and mutual funds hold LBRX · largest positions
Ownership
Held by insiders 0.24%
Held by institutions 103.50%
Float held by institutions 103.75%
Institutions 183
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Deep Track Capital, Lp | 10.39% | 3,352,804 | 140.85M | Jun 29, 2026 |
| Blackrock Inc. | 8.48% | 2,734,305 | 114.87M | Jun 29, 2026 |
| RA Capital Management, L.P. | 6.85% | 2,208,604 | 92.78M | Jun 29, 2026 |
| Trails Edge Capital Partners, LP | 4.72% | 1,523,022 | 63.98M | Jun 29, 2026 |
| Commodore Capital Lp | 4.65% | 1,500,000 | 63.01M | Jun 29, 2026 |
| JPMORGAN CHASE & CO | 4.64% | 1,497,293 | 62.90M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| JPMorgan Trust II-JPMorgan Small Cap Growth Fund | 2.15% | 692,905 | 29.11M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.08% | 672,000 | 28.23M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 1.80% | 581,677 | 24.44M | Sep 29, 2026 |
| BlackRock Funds-BlackRock Health Sciences Opportunities Portfolio | 1.76% | 567,627 | 23.85M | Aug 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 0.86% | 278,887 | 11.72M | Jun 29, 2026 |
| Fidelity Salem Street Trust-Fidelity Small Cap Index Fund | 0.76% | 245,436 | 10.31M | Aug 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| DEEP TRACK BIOTECHNOLOGY MASTER FUND LTD | Beneficial Owner of more than 10% of a Class of Security | Purchase | Sep 11, 2025 | 0 |
| NUSSBAUM RAN | Director | Purchase | Sep 11, 2025 | 0 |
| PONTIFAX MANAGEMENT 4 G.P. 2015, LTD. | Beneficial Owner of more than 10% of a Class of Security | Purchase | Sep 11, 2025 | 0 |
| VIDA VENTURES GP III, L.L.C. | Beneficial Owner of more than 10% of a Class of Security | Purchase | Sep 11, 2025 | 0 |