Position in MBX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$44,169,549
+$20,288,445 QoQ
Shares Held
800,173
+0.0% QoQ
Ownership
1.66%
of shares outstanding
% of Portfolio
4.59%
of 13F equity value
Holder Rank
#19
of 171 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MBX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Parkman Healthcare Partners LLC holds $508,391,007 across 37 Biotechnology names. MBX ranks #1 (8.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MBX |
MBX Biosciences, Inc.
This page
|
800,173 | $44,169,549 | |
| 2 | PTCT |
Ptc Therapeutics, Inc.
|
435,691 | $35,539,314 | |
| 3 | RCUS |
Arcus Biosciences, Inc.
|
919,266 | $28,340,970 | |
| 4 | GPCR |
Structure Therapeutics Inc.
|
485,661 | $26,065,425 | |
| 5 | VRDN |
Viridian Therapeutics, Inc.\DE
|
1,377,576 | $25,306,071 | |
| 6 | AGIO |
Agios Pharmaceuticals, Inc.
|
669,046 | $24,828,297 | |
| 7 | INBX |
Inhibrx Biosciences, Inc.
|
256,950 | $24,346,012 | |
| 8 | XENE |
Xenon Pharmaceuticals Inc.
|
397,379 | $23,985,796 |
All Filings in MBX
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7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $44,169,549 | 800,173 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $23,881,104 | 800,037 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $27,933,054 | 885,639 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $13,532,820 | 773,304 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $9,948,755 | 871,933 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,423,023 | 328,323 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $3,133,100 | 170,000 | Shares | Sole | 2025-02-14 | |
| No filing history on record for this holder in this stock. | ||||||