BlackRock’s MBX Biosciences, Inc. Common Stock MBX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	$11.5M	Buy	1,011,546 +228,504	+29%	+$2.61M	﹤0.01%	3286
2025 Q1	$5.78M	Buy	783,042 +55,090	+8%	+$407K	﹤0.01%	3546
2024 Q4	$13.4M	Buy	+727,952	New	+$13.4M	﹤0.01%	3225