MBX
MBX Biosciences, Inc.Open50.66−1.36 −2.61%USD
NasdaqGS · as of Oct 13, 12:39 ET · 15m delay
Open
52.04
Prev close
52.02
Day range
50.3853.04
52-week range
12.9472.64
Volume
204.93K0.38×
Mkt cap
2.44B
P/E ttm
—
Fwd P/E
-12.74
EPS ttm
-2.37
Div yield
0.00%
Earnings
Aug 6, 2026
From 52w high
−30.26%
MBX shareholders
MBX Ownership
13F / N-PORT filings via Yahoo
Institutions
116.0%
119.3% of the float
Insiders
2.8%
officers and directors
Institutional holders
241
filing positions
Top 10 institutions
73.3%
4 adding · 3 trimming
Top Institutions
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 13.81% | 6.65M | $336.99M | 0.0% | Jun 30, 2026 |
| FMR, LLC | 11.05% | 5.32M | $269.66M | +81.3% | Jun 30, 2026 |
| Wellington Management Group, LLP | 10.34% | 4.98M | $252.16M | +56.0% | Jun 30, 2026 |
| NEA Management Company, LLC | 7.51% | 3.61M | $183.11M | 0.0% | Jun 30, 2026 |
| Orbimed Advisors LLC. | 7.12% | 3.43M | $173.70M | −5.8% | Jun 30, 2026 |
| Blackrock Inc. | 6.90% | 3.32M | $168.38M | +13.0% | Jun 30, 2026 |
| Paradigm Biocapital Advisors LP | 5.21% | 2.51M | $127.06M | +100.0% | Jun 30, 2026 |
| NVP Associates, LLC | 4.44% | 2.14M | $108.23M | 0.0% | Jun 30, 2026 |
| Deep Track Capital, Lp | 3.60% | 1.73M | $87.77M | −37.2% | Jun 30, 2026 |
| Polar Capital Holdings PLC | 3.34% | 1.61M | $81.49M | −0.8% | Jun 30, 2026 |
Top Funds
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.36% | 1.14M | $57.52M | −2.0% | Jun 30, 2026 |
| MUTUAL FUND SERIES TRUST-Eventide Healthcare & Life Sciences Fund | 1.81% | 873.49K | $44.25M | −1.8% | Jun 30, 2026 |
| Fidelity Advisor Series VII-Fidelity Advisor Biotechnology Fund | 1.70% | 817.60K | $41.42M | 0.0% | Aug 31, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 1.64% | 788.71K | $39.96M | +0.7% | Aug 31, 2026 |
| Fidelity Select Portfolios-Select Health Care Portfolio | 1.41% | 680.00K | $34.45M | 0.0% | Aug 31, 2026 |
| Fidelity Capital Trust-Fidelity Stock Selector Small Cap Fund | 1.32% | 636.10K | $32.22M | 0.0% | Jul 31, 2026 |
| T. Rowe Price Health Sciences Fund, Inc. | 1.22% | 586.31K | $29.70M | −18.7% | Jun 30, 2026 |
| Fidelity Securities Fund-Fidelity Small Cap Growth Fund | 0.86% | 416.42K | $21.10M | +38.0% | Jul 31, 2026 |
| Fidelity Securities Fund-Fidelity Series Small Cap Opportunities Fund | 0.76% | 365.20K | $18.50M | −6.1% | Jul 31, 2026 |
| Fidelity Salem Street Trust-Fidelity Small Cap Index Fund | 0.70% | 339.49K | $17.20M | +0.9% | Jul 31, 2026 |
Institutions report quarterly, up to 45 days after the quarter ends, so these positions can be months old. Change compares the share count with the holder's previous filing. Insider transactions are on the overview page (INSD).