MBX BIOSCIENCES INC MBX
$57.80
+3.4% 52w: $9.73 – $57.80
Latest 13F among current holders filed 32 days ago (Jun 3, 2026)
Price — last 12 months
research preview data9.7333.7657.80
Jun 20, 2025 Jul 2, 2026
Institutional holders
157
+19 QoQ
13F value
$1.58B
+3.6% QoQ
Smart-money holders
24
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
2.5×
$3.7M calls / $1.5M puts
Institutional value by quarter
Number of holders
Who owns MBX?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. ★3 | Fundamental concentrated | 6.7M | $198.6M | 5.1% | Held |
| ORBIMED ADVISORS LLC ★2 | Fundamental diversified | 3.6M | $108.6M | 2.5% | -7.6% |
| NEA Management Company, LLC ★3 | Fundamental concentrated | 3.6M | $107.9M | 6.1% | Held |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 3.2M | $95.3M | 0.0% | -4.7% |
| BlackRock, Inc. | Index provider | 2.9M | $87.8M | 0.0% | +0.7% |
| FMR LLC | Long only active | 2.9M | $87.7M | 0.0% | +18550.3% |
| Deep Track Capital, LP ★2 | Fundamental diversified | 2.8M | $82.3M | 1.7% | -15.1% |
| NVP ASSOCIATES, LLC ★2 | Fundamental diversified | 2.1M | $63.8M | 36.2% | Held |
| Polar Capital Holdings Plc | Other | 1.6M | $48.4M | 0.2% | New |
| BRAIDWELL LP ★2 | Fundamental diversified | 1.5M | $44.6M | 1.7% | +46.5% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 1.5M | $44.1M | 0.0% | — |
| Aaron Wealth Advisors LLC | Other | 1.2M | $34.9M | 2.0% | +1568.8% |
| Cormorant Asset Management, LP ★3 | Fundamental concentrated | 1.1M | $33.4M | 1.7% | Held |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 1.0M | $30.7M | 0.0% | +22.4% |
| Driehaus Capital Management LLC | Other | 1.0M | $30.4M | 0.2% | -27.7% |
| STEMPOINT CAPITAL LP ★2 | Fundamental concentrated | 998.9K | $29.8M | 2.9% | +1171.7% |
| Kynam Capital Management, LP ★3 | Fundamental concentrated | 934.8K | $27.9M | 1.8% | Held |
| CITADEL ADVISORS LLC | Multistrat pod | 932.8K | $27.8M | 0.0% | +15.2% |
| Woodline Partners LP | Other | 900.1K | $26.9M | 0.1% | -10.0% |
| EVENTIDE ASSET MANAGEMENT, LLC | Other | 890.0K | $26.6M | 0.4% | Held |
| Caligan Partners LP ★3 | Fundamental concentrated | 848.6K | $25.3M | 1.8% | New |
| Parkman Healthcare Partners LLC | Other | 800.0K | $23.9M | 2.5% | -9.7% |
| STATE STREET CORP | Index provider | 787.2K | $23.5M | 0.0% | +17.0% |
| EcoR1 Capital, LLC ★2 | Fundamental concentrated | 777.0K | $23.2M | 1.0% | -63.4% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 670.4K | $20.0M | 0.0% | +3.2% |
| TCG Crossover Management, LLC ★3 | Fundamental concentrated | 650.0K | $19.4M | 0.6% | Held |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 564.4K | $16.8M | 0.0% | +22.2% |
| GOLDMAN SACHS GROUP INC | Bank broker | 457.9K | $13.7M | 0.0% | +38.0% |
| UBS Group AG | Bank broker | 346.9K | $10.4M | 0.0% | +23.4% |
| Candriam S.C.A. | Other | 294.4K | $8.8M | 0.0% | New |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 293.3K | $8.8M | 0.0% | — |
| D. E. Shaw & Co., Inc. | Quant stat arb | 288.9K | $8.6M | 0.0% | -57.0% |
| Rock Springs Capital Management LP ★2 | Fundamental diversified | 288.0K | $8.6M | 0.5% | +1.9% |
| Opaleye Management Inc. ★2 | Fundamental concentrated | 260.0K | $7.8M | 1.0% | Held |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 214.9K | $6.4M | 0.0% | -3.3% |
| Elmind Capital, LP ★3 | Fundamental concentrated | 211.0K | $6.3M | 1.8% | Held |
| NORTHERN TRUST CORP | Index provider | 210.6K | $6.3M | 0.0% | +10.3% |
| BOOTHBAY FUND MANAGEMENT, LLC | Diversified mechanical | 208.0K | $6.2M | 0.1% | New |
| Soleus Capital Management, L.P. ★2 | Fundamental diversified | 178.9K | $5.3M | 0.2% | -56.2% |
| DAFNA Capital Management LLC ★2 | Fundamental diversified | 175.5K | $5.2M | 1.2% | +6.2% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 170.2K | $5.1M | 0.0% | — |
| Goelzer Investment Management, Inc. | Other | 164.2K | $4.9M | 0.2% | -25.9% |
| Affinity Asset Advisors, LLC ★2 | Fundamental diversified | 150.0K | $4.5M | 0.3% | -40.0% |
| Tetragon Partners GP Ltd ★3 | Fundamental concentrated | 145.5K | $4.3M | 0.9% | +1.5% |
| JPMORGAN CHASE & CO | Bank broker | 147.1K | $4.0M | 0.0% | +904.1% |
| Schonfeld Strategic Advisors LLC | Multistrat pod | 123.8K | $3.7M | 0.0% | -25.9% |
| KVP Capital Advisors, LP ★3 | Fundamental concentrated | 121.5K | $3.6M | 2.7% | Held |
| TD Asset Management Inc | Diversified mechanical | 116.0K | $3.5M | 0.0% | +14.3% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 115.1K | $3.4M | 0.0% | -17.0% |
| Burkehill Global Management, LP | Quant stat arb | 100.0K | $3.0M | 0.2% | Held |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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