Vanguard Portfolio Management’s Atrium Therapeutics RNA Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.36M Sell
101,195
-243,174
-71% -$3.18M ﹤0.01% 2869
2026
Q1
$4.6M Buy
+344,369
New +$4.84M ﹤0.01% 2343

Other funds holding RNA

Vanguard Portfolio Management's RNA Position: Q2 2026 in Review

Vanguard Portfolio Management reduced its Atrium Therapeutics (RNA) stake by 71% in Q2 2026, selling an estimated $3.18M and leaving 101,195 shares worth $1.36M. The position accounts for ﹤0.01% of the portfolio, ranked #2869.

Vanguard Portfolio Management first reported a position in RNA in Q1 2026 and has held it in 2 quarters since. The position peaked at $4.6M in Q1 2026. 153 funds tracked by Wall St. Rank hold RNA as of Q2 2026.

  • Vanguard Portfolio Management held 101,195 shares of Atrium Therapeutics worth $1.36M as of Q2 2026.
  • Vanguard Portfolio Management sold 243,174 Atrium Therapeutics shares in Q2 2026, an estimated $3.18M.
  • Atrium Therapeutics made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #2869 holding.
  • Vanguard Portfolio Management first reported a position in Atrium Therapeutics in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Portfolio Management's Atrium Therapeutics position peaked at $4.6M in Q1 2026.
  • 153 funds tracked by Wall St. Rank held Atrium Therapeutics as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.