Chicago Capital Management’s Avidity Biosciences RNAM Stock Holding History

Chicago Capital Management’s Portfolio RNAM Stock Details RNAM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-35,000	Closed	-$1.91M	–	41
2025 Q4	$1.91M	Buy	+35,000	New	+$2.26M	1.3%	30

Other funds holding RNAM

Corsicana & Co Corsicana, Texas $158M AUM

Chicago Capital Management's RNAM Position: Q1 2026 in Review

Chicago Capital Management sold out of Avidity Biosciences (RNAM) in Q1 2026, closing a stake of 35,000 shares — an estimated $1.91M sold.

Chicago Capital Management first reported a position in RNAM in Q4 2025 and held it in 1 quarter. The position peaked at $1.91M in Q4 2025. 1 fund tracked by Wall St. Rank holds RNAM as of Q1 2026.

Chicago Capital Management reported no remaining Avidity Biosciences position as of Q1 2026 after selling out during the quarter.
Chicago Capital Management sold 35,000 Avidity Biosciences shares in Q1 2026, an estimated $1.91M.
Chicago Capital Management first reported a position in Avidity Biosciences in Q4 2025 and held it in 1 quarter.
Chicago Capital Management's Avidity Biosciences position peaked at $1.91M in Q4 2025.
1 fund tracked by Wall St. Rank held Avidity Biosciences as of Q1 2026.

Based on Chicago Capital Management's 13F filing for Q1 2026, filed 27 Apr 2026.