MBX NASDAQ
MBX Biosciences, Inc. Common Stock
1W: -10.1%
1M: -5.3%
3M: -8.6%
YTD: +4.1%
1Y: +157.2%
$31.85
+0.06 (+0.19%)
Weekly Expected Move ±14.3%
$23
$28
$32
$37
$42
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🏦 Institutional Activity
Latest: Q1 2026176
Institutions Holding
+9 vs prior
126.2%
Ownership
-14.39%
35
New
39
Increased
76
Reduced
35
Closed
👔 Insider Trades
13 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-01 | Hoerter Steven L. | director | A-Grant/Award | 11,938 | $— | $0 | Filing |
| 2026-03-13 | Hawryluk P. Kent | officer: president & ceo | P-Purchase | 18,500 | $28.41 | $526K | Filing |
| 2026-02-02 | Azoulay Salomon | officer: chief medical officer | A-Grant/Award | 15,000 | $— | $0 | Filing |
| 2026-02-02 | Bartram Richard | officer: chief financial officer | A-Grant/Award | 15,000 | $— | $0 | Filing |
| 2026-02-02 | Hawryluk P. Kent | officer: president & ceo | A-Grant/Award | 35,250 | $— | $0 | Filing |
| 2025-10-20 | Hawryluk P. Kent | officer: president & ceo | P-Purchase | 20,000 | $13.64 | $273K | Filing |
| 2025-10-17 | Hoerter Steven L. | director | P-Purchase | 20,000 | $13.25 | $265K | Filing |
| 2025-09-26 | Heron Patrick J | director | P-Purchase | 666,666 | $18.00 | $12.0M | Filing |
| 2025-09-26 | FHMLS X, L.P. | 10% owner | P-Purchase | 666,666 | $18.00 | $12.0M | Filing |
| 2025-09-26 | FHMLS X, L.L.C. | 10% owner | P-Purchase | 666,666 | $18.00 | $12.0M | Filing |
| 2025-09-26 | Topper James N | 10% owner | P-Purchase | 666,666 | $18.00 | $12.0M | Filing |
| 2025-09-26 | Frazier Life Sciences X, L.P. | 10% owner | P-Purchase | 666,666 | $18.00 | $12.0M | Filing |
| 2025-04-08 | Pescovitz Ora H. | director | P-Purchase | 7,693 | $5.89 | $45K | Filing |
🏛️ Congressional Trades
0 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| No congressional trades found | |||||
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 6,652,013 | $199M | — | 2026-03-31 | Filing |
| ORBIMED ADVISORS LLC | 3,637,887 | $109M | -297,316 | 2026-03-31 | Filing |
| NEA Management Company, LLC | 3,614,486 | $108M | — | 2026-03-31 | Filing |
| WELLINGTON MANAGEMENT GROUP LLP | 3,191,824 | $95M | -158,137 | 2026-03-31 | Filing |
| BlackRock, Inc. | 2,941,406 | $88M | +21,650 | 2026-03-31 | Filing |
| FMR LLC | 2,936,684 | $88M | +2,920,938 | 2026-03-31 | Filing |
| Deep Track Capital, LP | 2,757,569 | $82M | -492,221 | 2026-03-31 | Filing |
| Polar Capital Holdings Plc | 1,622,186 | $48M | +1,622,186 | 2026-03-31 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,477,592 | $44M | +1,477,592 | 2026-03-31 | Filing |
| Aaron Wealth Advisors LLC | 1,168,176 | $35M | +1,098,176 | 2026-03-31 | Filing |
| Cormorant Asset Management, LP | 1,120,000 | $33M | — | 2026-03-31 | Filing |
| Driehaus Capital Management LLC | 1,018,212 | $30M | -389,947 | 2026-03-31 | Filing |
| Kynam Capital Management, LP | 934,799 | $28M | — | 2026-03-31 | Filing |
| Woodline Partners LP | 900,063 | $27M | -100,000 | 2026-03-31 | Filing |
| EVENTIDE ASSET MANAGEMENT, LLC | 890,000 | $27M | — | 2026-03-31 | Filing |
| Caligan Partners LP | 848,590 | $25M | +848,590 | 2026-03-31 | Filing |
| Parkman Healthcare Partners LLC | 800,037 | $24M | -85,602 | 2026-03-31 | Filing |
| STATE STREET CORP | 787,208 | $23M | +114,468 | 2026-03-31 | Filing |
| EcoR1 Capital, LLC | 777,000 | $23M | -1,346,604 | 2026-03-31 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 670,385 | $20M | +20,994 | 2026-03-31 | Filing |