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Free — 5 of 61

Data as of Q4 2025

All position changes for RA CAPITAL MANAGEMENT, L.P.. Excludes unchanged positions.

Unique Stocks

Quarters

New Positions

Exits

5 position changes

Per page:

Quarter	Stock	Action	Shares	Change	Value	Weight	Conviction
2025-Q4	RYTM RHYTHM PHARMACEUTICALS INC	Increased	6.7M	+17.4%	$713.6M	7.3%	72
2025-Q4	PCVX VAXCYTE INC	Decreased	10.7M	-10.4%	$494.8M	5.1%	0
2025-Q4	SION SIONNA THERAPEUTICS INC	Decreased	9.9M	-5.2%	$407.5M	4.2%	0
2025-Q4	NAMS NEWAMSTERDAM PHARMA COMPANY	Decreased	9.6M	-5.8%	$335M	3.4%	0
2025-Q4	WVE WAVE LIFE SCIENCES LTD	Increased	18.2M	+0.0%	$309.5M	3.2%	57
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