Wellington Management Group LLP Dyne Therapeutics, Inc. Transaction History

Wellington Management Group LLP

$545 Billion
Q3 2025

A detailed history of Wellington Management Group LLP transactions in Dyne Therapeutics, Inc. stock. As of the latest transaction made, Wellington Management Group LLP holds 41,915 shares of DYN stock, worth $789,678. This represents 0.0% of its overall portfolio holdings.

Number of Shares

41,915

Previous 34,018 23.21%

Holding current value

$789,678

Previous $323,000 64.09%

% of portfolio

0.0%

Previous 0.0%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$8.18 - $14.22 $64,597 - $112,295	7,897 Added 23.21%	41,915 $530,000
Q2 2025 Aug 14, 2025	SELL	$6.81 - $14.78 $15,690 - $34,053	-2,304 Reduced 6.34%	34,018 $323,000
Q1 2025 May 13, 2025	BUY	$10.46 - $25.46 $379,928 - $924,758	36,322 New	36,322 $379,000
Q4 2024 Feb 12, 2025	SELL	$23.56 - $35.55 $73,295 - $110,596	-3,111 Reduced 7.47%	38,550 $908,000
Q3 2024 Nov 14, 2024	SELL	$31.94 - $47.04 $5.9 Million - $8.69 Million	-184,761 Reduced 81.6%	41,661 $1.5 Million

Q2 2024 Aug 13, 2024	SELL	$23.65 - $35.63 $209,680 - $315,895	-8,866 Reduced 3.77%	226,422 $7.99 Million
Q1 2024 May 15, 2024	BUY	$13.06 - $29.18 $3.07 Million - $6.87 Million	235,288 New	235,288 $6.68 Million
Q4 2023 Feb 12, 2024	BUY	$6.62 - $13.64 $963,037 - $1.98 Million	145,474 New	145,474 $1.93 Million
Q3 2023 Nov 14, 2023	BUY	$8.6 - $12.18 $46,190 - $65,418	5,371 Added 4.86%	115,935 $1.04 Million
Q2 2023 Aug 14, 2023	BUY	$8.53 - $14.28 $292,962 - $490,446	34,345 Added 45.06%	110,564 $1.24 Million
Q1 2023 May 12, 2023	SELL	$10.88 - $15.0 $19,812 - $27,315	-1,821 Reduced 2.33%	76,219 $878,000
Q4 2022 Feb 13, 2023	SELL	$9.37 - $13.8 $41,040 - $60,444	-4,380 Reduced 5.31%	78,040 $904,000
Q3 2022 Nov 14, 2022	SELL	$7.2 - $15.17 $91,389 - $192,552	-12,693 Reduced 13.35%	82,420 $1.05 Million
Q1 2022 May 16, 2022	SELL	$6.52 - $12.27 $10.9 Million - $20.5 Million	-1,667,940 Reduced 94.61%	95,113 $917,000
Q4 2021 Feb 11, 2022	SELL	$11.89 - $16.07 $8.71 Million - $11.8 Million	-732,334 Reduced 29.35%	1,763,053 $21 Million
Q3 2021 Nov 15, 2021	SELL	$15.6 - $21.46 $23.6 Million - $32.4 Million	-1,512,045 Reduced 37.73%	2,495,387 $40.5 Million
Q2 2021 Aug 16, 2021	BUY	$15.94 - $22.33 $3.45 Million - $4.84 Million	216,655 Added 5.72%	4,007,432 $84.3 Million
Q1 2021 May 17, 2021	BUY	$14.0 - $29.3 $12.4 Million - $26 Million	886,055 Added 30.5%	3,790,777 $58.9 Million
Q4 2020 Feb 12, 2021	BUY	$16.81 - $23.94 $6.08 Million - $8.67 Million	361,962 Added 14.24%	2,904,722 $60.3 Million
Q3 2020 Nov 16, 2020	BUY	$20.0 - $23.9 $50.9 Million - $60.8 Million	2,542,760 New	2,542,760 $49.9 Million

Others Institutions Holding DYN

# of Institutions

227

Shares Held

148M

Call Options Held

184K

Put Options Held

243K

View Full List

About Dyne Therapeutics, Inc.

Ticker DYN
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 51,765,400
Market Cap $975M
Description
Dyne Therapeutics, Inc., a muscle disease company, operates as a biotechnology company that focuses on advancing therapeutics for genetically driven muscle diseases in the United States. It develops various programs for myotonic dystrophy type 1, duchenne muscular dystrophy, and facioscapulohumeral dystrophy, as well as rare skeletal muscle, and...

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Wellington Management Group LLP Dyne Therapeutics, Inc. Transaction History