SEI Investments’s Dyne Therapeutics DYN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q3
$1.07M Buy
66,563
+22,509
+51% +$517K ﹤0.01% 2266
2026
Q2
$978K Sell
44,054
-919
-2% -$17.1K ﹤0.01% 2306
2026
Q1
$815K Sell
44,973
-13,782
-23% -$238K ﹤0.01% 2450
2025
Q4
$1.15M Buy
+58,755
New +$1.11M ﹤0.01% 2123
2024
Q3
– Sell
-18,092
Closed -$638K – 2708
2024
Q2
$638K Sell
18,092
-6,318
-26% -$184K ﹤0.01% 2073
2024
Q1
$693K Buy
+24,410
New +$552K ﹤0.01% 2005

Other funds holding DYN

SEI Investments's DYN Position: Q3 2026 in Review

SEI Investments increased its Dyne Therapeutics (DYN) stake by 51% in Q3 2026, buying an estimated $517K and bringing the position to 66,563 shares worth $1.07M. The position accounts for ﹤0.01% of the portfolio, ranked #2266.

SEI Investments first reported a position in DYN in Q1 2024 and has held it in 6 quarters since. The position peaked at $1.15M in Q4 2025. 109 funds tracked by Wall St. Rank hold DYN as of Q3 2026.

  • SEI Investments held 66,563 shares of Dyne Therapeutics worth $1.07M as of Q3 2026.
  • SEI Investments bought 22,509 Dyne Therapeutics shares in Q3 2026, an estimated $517K.
  • Dyne Therapeutics made up ﹤0.01% of SEI Investments's portfolio in Q3 2026, its #2266 holding.
  • SEI Investments first reported a position in Dyne Therapeutics in Q1 2024 and has held it in 6 quarters since.
  • SEI Investments's Dyne Therapeutics position peaked at $1.15M in Q4 2025.
  • 109 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q3 2026.

Based on SEI Investments's 13F filing for Q3 2026, filed 10 Nov 2026.