MBX · MBX Biosciences, Inc.
$68.57
+1.49 (+2.22%)
At close · Aug 14
Market Cap
$3.30B
Shares
48.16M
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this stock, matched by the stock's CUSIP. Each row is one fund position with its size, value and weight in that fund.
Funds holding MBX
174 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 1,158,775 | $34,589,434 | 0.00% | Long | 2026-03-31 | |
| Eventide Healthcare & Life Sciences Fund | — | 890,000 | $26,566,500 | 1.67% | Long | 2026-03-31 | |
| T. Rowe Price Health Sciences Fund, Inc. | — | 721,309 | $21,531,074 | 0.20% | Long | 2026-03-31 | |
| iShares Russell 2000 ETF | — | 697,653 | $20,824,942 | 0.03% | Long | 2026-03-31 | |
| Select Health Care Portfolio | — | 600,000 | $18,882,000 | 0.33% | Long | 2026-05-31 | |
| Fidelity Stock Selector Small Cap Fund | — | 419,900 | $12,689,378 | 0.18% | Long | 2026-04-30 | |
| BlackRock Health Sciences Opportunities Portfolio | — | 333,350 | $10,490,525 | 0.18% | Long | 2026-05-29 | |
| Fidelity Fund | — | 321,100 | $9,584,835 | 0.11% | Long | 2026-03-31 | |
| Fidelity Advisor Biotechnology Fund | — | 304,600 | $9,205,012 | 0.48% | Long | 2026-04-30 | |
| Fidelity Small Cap Growth Fund | — | 301,640 | $9,115,561 | 0.11% | Long | 2026-04-30 | |
| Fidelity Advisor Health Care Fund | — | 300,000 | $9,066,000 | 0.31% | Long | 2026-04-30 | |
| Fidelity Series Small Cap Opportunities Fund | — | 294,900 | $8,911,878 | 0.18% | Long | 2026-04-30 | |
| VIP Contrafund Portfolio | — | 286,900 | $8,563,965 | 0.03% | Long | 2026-03-31 | |
| Fidelity Small Cap Index Fund | — | 281,973 | $8,521,224 | 0.03% | Long | 2026-04-30 | |
| VANGUARD EXTENDED MARKET INDEX FUND | — | 282,920 | $8,445,162 | 0.01% | Long | 2026-03-31 | |
| iShares Russell 2000 Value ETF | — | 243,159 | $7,258,296 | 0.06% | Long | 2026-03-31 | |
| State Street(R) SPDR(R) S&P(R) Pharmaceuticals ETF | — | 200,744 | $5,992,208 | 1.95% | Long | 2026-03-31 | |
| iShares Biotechnology ETF | — | 199,599 | $5,958,030 | 0.07% | Long | 2026-03-31 | |
| VANGUARD RUSSELL 2000 INDEX FUND | — | 146,357 | $4,605,855 | 0.03% | Long | 2026-05-31 | |
| Fidelity Small Cap Growth K6 Fund | — | 152,210 | $4,599,786 | 0.11% | Long | 2026-04-30 | |
| Fidelity Extended Market Index Fund | — | 130,156 | $4,096,009 | 0.01% | Long | 2026-05-31 | |
| BlackRock Health Sciences Term Trust | BMEZ | 128,549 | $3,837,188 | 0.38% | Long | 2026-03-31 | |
| Schwab U.S. Small-Cap ETF | — | 119,833 | $3,771,145 | 0.02% | Long | 2026-05-31 | |
| Driehaus Micro Cap Growth Fund | — | 114,123 | $3,406,572 | 0.74% | Long | 2026-03-31 | |
| THE HARTFORD SMALL COMPANY FUND | — | 103,777 | $3,136,141 | 0.47% | Long | 2026-04-30 | |
| Select Biotechnology Portfolio | — | 73,100 | $2,300,457 | 0.04% | Long | 2026-05-31 | |
| iShares Micro-Cap ETF | — | 71,759 | $2,142,006 | 0.18% | Long | 2026-03-31 | |
| VANGUARD U.S. MOMENTUM FACTOR ETF | — | 67,904 | $2,136,939 | 0.12% | Long | 2026-05-31 | |
| VANGUARD HEALTH CARE INDEX FUND | — | 67,443 | $2,122,431 | 0.01% | Long | 2026-05-31 | |
| iShares U.S. Pharmaceuticals ETF | — | 70,280 | $2,097,858 | 0.21% | Long | 2026-03-31 | |
| Adara Smaller Companies Fund | — | 65,141 | $2,049,987 | 0.25% | Long | 2026-05-31 | |
| VictoryShares US Small Mid Cap Value Momentum ETF | — | 67,965 | $2,028,755 | 0.14% | Long | 2026-03-31 | |
| Fidelity Advisor New Insights Fund | — | 63,900 | $1,907,415 | 0.01% | Long | 2026-03-31 | |
| Eaton Vance Worldwide Health Sciences Fund | — | 59,688 | $1,878,381 | 0.25% | Long | 2026-05-31 | |
| Schwab Small-Cap Index Fund | — | 62,087 | $1,876,269 | 0.03% | Long | 2026-04-30 | |
| Strategic Advisers Fidelity U.S. Total Stock Fund | — | 57,500 | $1,809,525 | 0.00% | Long | 2026-05-31 | |
| Fidelity Small Cap Discovery Fund | — | 54,300 | $1,640,946 | 0.07% | Long | 2026-04-30 | |
| VIP Health Care Portfolio | — | 50,000 | $1,492,500 | 0.15% | Long | 2026-03-31 | |
| Fidelity Total Market Index Fund | — | 46,624 | $1,467,257 | 0.00% | Long | 2026-05-31 | |
| ALPS Medical Breakthroughs ETF | — | 46,286 | $1,456,620 | 0.90% | Long | 2026-05-31 | |
| Fidelity Series Small Cap Discovery Fund | — | 47,700 | $1,441,494 | 0.07% | Long | 2026-04-30 | |
| Master Small Cap Index Series | — | 44,972 | $1,342,414 | 0.03% | Long | 2026-03-31 | |
| T. Rowe Price Health Sciences Portfolio | — | 44,028 | $1,314,236 | 0.20% | Long | 2026-03-31 | |
| JPMorgan Small Cap Value Fund | — | 43,250 | $1,291,013 | 0.11% | Long | 2026-03-31 | |
| Dimensional U.S. Small Cap ETF | — | 40,965 | $1,237,962 | 0.01% | Long | 2026-04-30 | |
| LVIP State Street Small-Cap Index Fund | — | 22,000 | $1,214,400 | 0.05% | Long | 2026-06-30 | |
| Fidelity Series Total Market Index Fund | — | 38,281 | $1,204,703 | 0.00% | Long | 2026-05-31 | |
| iShares Core S&P Total U.S. Stock Market ETF | — | 39,697 | $1,184,955 | 0.00% | Long | 2026-03-31 | |
| Fidelity Enhanced Small Cap ETF | — | 38,070 | $1,136,390 | 0.03% | Long | 2026-03-31 | |
| Fidelity Fundamental Small-Mid Cap ETF | — | 36,306 | $1,097,167 | 0.08% | Long | 2026-04-30 |
Showing 1–50 of 174 positions
Key facts
CIK
1776111
CUSIP
55287L101
13F (30d)
175 filings
171 filers
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