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MBX BIO (MBX)
NASDAQ
$66.70+$0.77 (+1.17%)
Price as of Aug 03, 2026 6:29 AM EDT- $3.1BMarket Cap
- 379.49%1-Year Change
- BiotechnologyIndustry
MBX BIO (MBX)
$66.70+$0.77 (+1.17%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | 13.98% | 6.7M | 0 (0.00%) | Mar 31, 2026 |
ORBIMED ADVISORS LLC | 7.64% | 3.6M | -297,316 (-8.17%) | Mar 31, 2026 |
NEA MANAGEMENT COMPANY, LLC | 7.59% | 3.6M | 0 (0.00%) | Mar 31, 2026 |
WELLINGTON MANAGEMENT GROUP LLP | 6.71% | 3.2M | -158,137 (-4.95%) | Mar 31, 2026 |
BLACKROCK, INC. | 6.18% | 2.9M | +21,650 (+0.74%) | Mar 31, 2026 |
FMR LLC | 6.17% | 2.9M | +2.9M (+99.46%) | Mar 31, 2026 |
DEEP TRACK CAPITAL, LP | 5.79% | 2.8M | -492,221 (-17.85%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 3.03% | 1.4M | +112,119 (+7.78%) | Mar 31, 2026 |
MUTUAL FUND SERIES TRUST | 1.87% | 890,000 | 0 (0.00%) | Mar 31, 2026 |
FIDELITY SECURITIES FUND | 1.57% | 748,750 | +715,061 (+95.50%) | Apr 30, 2026 |
T. Rowe Price Health Sciences Fund, Inc. | 1.52% | 721,309 | +105,594 (+14.64%) | Mar 31, 2026 |
FIDELITY SELECT PORTFOLIOS | 1.41% | 673,100 | +393,100 (+58.40%) | May 31, 2026 |
FRANKLIN STRATEGIC SERIES | 1.41% | 671,791 | 0 (0.00%) | Apr 30, 2026 |
FIDELITY ADVISOR SERIES VII | 1.27% | 604,600 | +493,500 (+81.62%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions222.0M (85.15%)
- Mutual Funds37.8M (14.50%)
- Insiders915,936 (0.35%)
- Other0 (0.00%)
Insider Transactions
- 0.35% (915,936)Current InsiderOwnership (%, shares)
- 3Number of InsiderBuying (last 12 months)
- $95.3MAmount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Hawryluk P. Kent President & CEO | Buy | Mar 13, 2026 | $525,662.70 | 18,500 | $28.41 | 486,777 |
Hawryluk P. Kent President & CEO | Exempt | Feb 26, 2026 | $0.00 | 28,768 | $0.00 | 91,668 |
Hawryluk P. Kent President & CEO | Exempt | Feb 26, 2026 | $460,288.00 | 28,768 | $16.00 | 728,274 |
Hawryluk P. Kent President & CEO | Award | Feb 02, 2026 | $0.00 | 164,500 | $0.00 | 164,500 |
Bartram Richard Chief Financial Officer | Award | Feb 02, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
Hawryluk P. Kent President & CEO | Award | Feb 02, 2026 | $0.00 | 35,250 | $0.00 | 699,506 |
Azoulay Salomon Chief Medical Officer | Award | Feb 02, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
Bartram Richard Chief Financial Officer | Award | Feb 02, 2026 | $0.00 | 15,000 | $0.00 | 15,000 |
Azoulay Salomon Chief Medical Officer | Award | Feb 02, 2026 | $0.00 | 15,000 | $0.00 | 15,000 |
Stelzer Laurie | Award | Jan 20, 2026 | $0.00 | 32,000 | $0.00 | 32,000 |
Hoerter Steven L. | Buy | Oct 17, 2025 | $264,984.00 | 20,000 | $13.25 | 20,000 |
Heron Patrick J | Buy | Sep 26, 2025 | $12.0M | 666,666 | $18.00 | 5.2M |
Pescovitz Ora H. | Buy | Apr 08, 2025 | $45,311.77 | 7,693 | $5.89 | 24,329 |
GORDON CARL L | Buy | Feb 18, 2025 | $531,918.80 | 49,070 | $10.84 | 3.3M |
ORBIMED ADVISORS LLC | Buy | Feb 18, 2025 | $531,918.80 | 49,070 | $10.84 | 3.3M |
GORDON CARL L | Buy | Feb 18, 2025 | $1.0M | 94,100 | $10.84 | 747,887 |
ORBIMED ADVISORS LLC | Buy | Feb 18, 2025 | $1.0M | 94,100 | $10.84 | 747,887 |
GORDON CARL L | Buy | Feb 14, 2025 | $177,823.80 | 17,962 | $9.90 | 3.2M |
ORBIMED ADVISORS LLC | Buy | Feb 14, 2025 | $177,823.80 | 17,962 | $9.90 | 3.2M |
GORDON CARL L | Buy | Feb 14, 2025 | $290,969.00 | 29,540 | $9.85 | 3.2M |
ORBIMED ADVISORS LLC | Buy | Feb 14, 2025 | $290,969.00 | 29,540 | $9.85 | 3.2M |
Hawryluk P. Kent President & CEO | Buy | Feb 04, 2025 | $534,500.00 | 50,000 | $10.69 | 448,277 |
Azoulay Salomon Chief Medical Officer | Award | Feb 03, 2025 | $0.00 | 90,000 | $0.00 | 90,000 |
Bartram Richard Chief Financial Officer | Award | Feb 03, 2025 | $0.00 | 95,000 | $0.00 | 95,000 |
Hawryluk P. Kent President & CEO | Award | Feb 03, 2025 | $0.00 | 243,000 | $0.00 | 243,000 |