Rock Springs Capital Management’s Avalyn Pharma AVLN Stock Holding History

Rock Springs Capital Management’s Portfolio AVLN Stock Details AVLN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$21.8M	Buy	+662,918	New	+$19.1M	1.07%	30

Other funds holding AVLN

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

NHAS

Novo Holdings A/S Hellerup, Denmark $1.72B AUM 106.92% 1-Year Est. Return

SOCM

SR One Capital Management Wayne, Pennsylvania $1.04B AUM 262.99% 1-Year Est. Return

Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return

SCM

Suvretta Capital Management New York $5.47B AUM 131.34% 1-Year Est. Return

NVP Associates Menlo Park, California $328M AUM 166.51% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

CCM

Catalio Capital Management New York $532M AUM 166.55% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Rock Springs Capital Management's AVLN Position: Q2 2026 in Review

Rock Springs Capital Management opened a new position in Avalyn Pharma (AVLN) in Q2 2026: 662,918 shares worth $21.8M. The stake represents 1.07% of the portfolio and ranks #30 among its holdings.

92 funds tracked by Wall St. Rank hold AVLN as of Q2 2026.

Rock Springs Capital Management held 662,918 shares of Avalyn Pharma worth $21.8M as of Q2 2026.
Avalyn Pharma was a new Rock Springs Capital Management position in Q2 2026.
Avalyn Pharma made up 1.07% of Rock Springs Capital Management's portfolio in Q2 2026, its #30 holding.
92 funds tracked by Wall St. Rank held Avalyn Pharma as of Q2 2026.

Based on Rock Springs Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.