Wellington Management Group
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Wellington Management Group’s Dyne Therapeutics DYN Stock Holding History

Wellington Management Group’s Portfolio DYN Stock Details DYN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.16M Buy
52,427
+3,545
+7% +$65.9K ﹤0.01% 1722
2026
Q1 		$886K Buy
48,882
+1,786
+4% +$30.8K ﹤0.01% 1695
2025
Q4 		$921K Buy
47,096
+5,181
+12% +$98.1K ﹤0.01% 1728
2025
Q3 		$530K Buy
41,915
+7,897
+23% +$90.1K ﹤0.01% 1877
2025
Q2 		$324K Sell
34,018
-2,304
-6% -$25.4K ﹤0.01% 1867
2025
Q1 		$380K Sell
36,322
-2,228
-6% -$31.9K ﹤0.01% 1857
2024
Q4 		$908K Sell
38,550
-3,111
-7% -$92K ﹤0.01% 1734
2024
Q3 		$1.5M Sell
41,661
-184,761
-82% -$7.35M ﹤0.01% 1626
2024
Q2 		$7.99M Sell
226,422
-8,866
-4% -$258K ﹤0.01% 1215
2024
Q1 		$6.68M Buy
235,288
+89,814
+62% +$2.03M ﹤0.01% 1258
2023
Q4 		$1.93M Buy
145,474
+29,539
+25% +$289K ﹤0.01% 1502
2023
Q3 		$1.04M Buy
115,935
+5,371
+5% +$57.9K ﹤0.01% 1603
2023
Q2 		$1.24M Buy
110,564
+34,345
+45% +$405K ﹤0.01% 1570
2023
Q1 		$878K Sell
76,219
-1,821
-2% -$23.6K ﹤0.01% 1689
2022
Q4 		$904K Sell
78,040
-4,380
-5% -$50.7K ﹤0.01% 1655
2022
Q3 		$1.05M Sell
82,420
-12,693
-13% -$146K ﹤0.01% 1643
2022
Q2 		$653K Hold
95,113
– – ﹤0.01% 1761
2022
Q1 		$917K Sell
95,113
-1,667,940
-95% -$14.2M ﹤0.01% 1754
2021
Q4 		$21M Sell
1,763,053
-732,334
-29% -$10.3M ﹤0.01% 1062
2021
Q3 		$40.5M Sell
2,495,387
-1,512,045
-38% -$26.8M 0.01% 884
2021
Q2 		$84.3M Buy
4,007,432
+216,655
+6% +$4.07M 0.01% 679
2021
Q1 		$58.9M Buy
3,790,777
+886,055
+31% +$17.1M 0.01% 754
2020
Q4 		$60.3M Buy
2,904,722
+361,962
+14% +$7.16M 0.01% 711
2020
Q3 		$49.9M Buy
+2,542,760
New +$55.8M 0.01% 697

Other funds holding DYN

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Wellington Management Group's DYN Position: Q2 2026 in Review

Wellington Management Group increased its Dyne Therapeutics (DYN) stake by 7.3% in Q2 2026, buying an estimated $65.9K and bringing the position to 52,427 shares worth $1.16M. The position accounts for ﹤0.01% of the portfolio, ranked #1722.

Wellington Management Group first reported a position in DYN in Q3 2020 and has held it in 24 quarters since. The position peaked at $84.3M in Q2 2021. 246 funds tracked by Wall St. Rank hold DYN as of Q2 2026.

  • Wellington Management Group held 52,427 shares of Dyne Therapeutics worth $1.16M as of Q2 2026.
  • Wellington Management Group bought 3,545 Dyne Therapeutics shares in Q2 2026, an estimated $65.9K.
  • Dyne Therapeutics made up ﹤0.01% of Wellington Management Group's portfolio in Q2 2026, its #1722 holding.
  • Wellington Management Group first reported a position in Dyne Therapeutics in Q3 2020 and has held it in 24 quarters since.
  • Wellington Management Group's Dyne Therapeutics position peaked at $84.3M in Q2 2021.
  • 246 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.