Weiss Asset Management’s Avidity Biosciences RNAM Stock Holding History

Weiss Asset 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	-2,161,093	Closed	-$156M	–	758
2025 Q4	$156M	Buy	+2,161,093	New	+$140M	2.06%	6

Other funds holding RNAM

Corsicana & Co Corsicana, Texas $158M AUM

Weiss Asset Management's RNAM Position: Q1 2026 in Review

Weiss Asset Management sold out of Avidity Biosciences (RNAM) in Q1 2026, closing a stake of 2,161,093 shares — an estimated $156M sold.

Weiss Asset Management first reported a position in RNAM in Q4 2025 and held it in 1 quarter. The position peaked at $156M in Q4 2025. 1 fund tracked by Wall St. Rank holds RNAM as of Q1 2026.

Weiss Asset Management reported no remaining Avidity Biosciences position as of Q1 2026 after selling out during the quarter.
Weiss Asset Management sold 2,161,093 Avidity Biosciences shares in Q1 2026, an estimated $156M.
Weiss Asset Management first reported a position in Avidity Biosciences in Q4 2025 and held it in 1 quarter.
Weiss Asset Management's Avidity Biosciences position peaked at $156M in Q4 2025.
1 fund tracked by Wall St. Rank held Avidity Biosciences as of Q1 2026.

Based on Weiss Asset Management's 13F filing for Q1 2026, filed 15 May 2026.