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GEODE CAPITAL MANAGEMENT, LLC

Position in MBX — MBX Biosciences, Inc.

CIK 1214717 BOSTON, MA

Position in MBX

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$42,673,574
+$22,662,583 QoQ
Shares Held
773,072
+15.3% QoQ
Ownership
1.61%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#20
of 172 holders
Holding Since
Sep 2024
8 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, 2026

GEODE CAPITAL MANAGEMENT, LLC holds $22,039,427,018 across 520 Biotechnology names. MBX ranks #94 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MBX

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $42,673,574 773,072
2026-03-31 $20,010,991 670,385
2025-12-31 $20,481,791 649,391
2025-09-30 $8,293,810 473,932
2025-06-30 $3,975,780 348,447
2025-03-31 $2,025,499 274,458
2024-12-31 $4,896,905 265,703
2024-09-30 $578,548 22,269