Westfield Capital Management’s Avidity Biosciences RNAM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-471,127
Closed -$34M 279
2025
Q4
$34M Buy
+471,127
New +$30.4M 0.14% 168
2020
Q4
Sell
-9,200
Closed -$259K 263
2020
Q3
$259K Buy
+9,200
New +$266K ﹤0.01% 234

Other funds holding RNAM

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

Westfield Capital Management sold out of Avidity Biosciences (RNAM) in Q1 2026, closing a stake of 471,127 shares — an estimated $34M sold.

Westfield Capital Management first reported a position in RNAM in Q3 2020 and held it in 2 quarters. The position peaked at $34M in Q4 2025. 1 fund tracked by Wall St. Rank holds RNAM as of Q1 2026.

  • Westfield Capital Management reported no remaining Avidity Biosciences position as of Q1 2026 after selling out during the quarter.
  • Westfield Capital Management sold 471,127 Avidity Biosciences shares in Q1 2026, an estimated $34M.
  • Westfield Capital Management first reported a position in Avidity Biosciences in Q3 2020 and held it in 2 quarters.
  • Westfield Capital Management's Avidity Biosciences position peaked at $34M in Q4 2025.
  • 1 fund tracked by Wall St. Rank held Avidity Biosciences as of Q1 2026.

Based on Westfield Capital Management's 13F filing for Q1 2026, filed 11 May 2026.