Palo Alto Investors’s ACELYRIN SLRN Stock Holding History

Palo Alto Investors’s Portfolio SLRN Stock Details SLRN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-1,792,895	Closed	-$4.43M	–	47
2025 Q1	$4.43M	Hold	1,792,895	–	–	0.84%	21
2024 Q4	$5.63M	Hold	1,792,895	–	–	0.87%	19
2024 Q3	$8.84M	Buy	1,792,895 +77,715	+5%	+$401K	1.15%	18
2024 Q2	$7.56M	Hold	1,715,180	–	–	0.88%	20
2024 Q1	$11.6M	Buy	+1,715,180	New	+$13M	1.31%	18

Other funds holding SLRN

Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Palo Alto Investors's SLRN Position: Q2 2025 in Review

Palo Alto Investors sold out of ACELYRIN (SLRN) in Q2 2025, closing a stake of 1,792,895 shares — an estimated $4.43M sold.

Palo Alto Investors first reported a position in SLRN in Q1 2024 and held it in 5 quarters. The position peaked at $11.6M in Q1 2024. 2 funds tracked by Wall St. Rank hold SLRN as of Q2 2025.

Palo Alto Investors reported no remaining ACELYRIN position as of Q2 2025 after selling out during the quarter.
Palo Alto Investors sold 1,792,895 ACELYRIN shares in Q2 2025, an estimated $4.43M.
Palo Alto Investors first reported a position in ACELYRIN in Q1 2024 and held it in 5 quarters.
Palo Alto Investors's ACELYRIN position peaked at $11.6M in Q1 2024.
2 funds tracked by Wall St. Rank held ACELYRIN as of Q2 2025.

Based on Palo Alto Investors's 13F filing for Q2 2025, filed 14 Aug 2025.