Janus Henderson Group PLC Dyne Therapeutics, Inc. Transaction History

Janus Henderson Group PLC

$207 Billion
Q3 2025

A detailed history of Janus Henderson Group PLC transactions in Dyne Therapeutics, Inc. stock. As of the latest transaction made, Janus Henderson Group PLC holds 14,745,505 shares of DYN stock, worth $278 Million. This represents 0.09% of its overall portfolio holdings.

Number of Shares

14,745,505

Previous 9,437,962 56.24%

Holding current value

$278 Million

Previous $89.8 Million 107.6%

% of portfolio

0.09%

Previous 0.05%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$8.18 - $14.22 $43.4 Million - $75.5 Million	5,307,543 Added 56.24%	14,745,505 $187 Million
Q2 2025 Aug 14, 2025	SELL	$6.81 - $14.78 $6.23 Million - $13.5 Million	-915,454 Reduced 8.84%	9,437,962 $89.8 Million
Q1 2025 May 15, 2025	BUY	$10.46 - $25.46 $31.1 Million - $75.7 Million	2,974,107 Added 40.3%	10,353,416 $108 Million
Q4 2024 Feb 14, 2025	BUY	$23.56 - $35.55 $13.3 Million - $20.1 Million	566,146 Added 8.31%	7,379,309 $174 Million
Q3 2024 Nov 14, 2024	BUY	$31.94 - $47.04 $69.9 Million - $103 Million	2,189,339 Added 47.35%	6,813,163 $245 Million

Q2 2024 Aug 14, 2024	BUY	$23.65 - $35.63 $46.1 Million - $69.4 Million	1,948,584 Added 72.84%	4,623,824 $163 Million
Q1 2024 May 15, 2024	BUY	$13.06 - $29.18 $34.8 Million - $77.7 Million	2,663,910 Added 23512.0%	2,675,240 $76 Million
Q4 2023 Feb 14, 2024	SELL	$6.62 - $13.64 $225 - $463	-34 Reduced 0.3%	11,330 $150,000
Q3 2023 Nov 14, 2023	BUY	$8.6 - $12.18 $120 - $170	14 Added 0.12%	11,364 $101,000
Q2 2023 Aug 14, 2023	BUY	$8.53 - $14.28 $93 - $157	11 Added 0.1%	11,350 $127,000
Q1 2023 May 15, 2023	BUY	$10.88 - $15.0 $123,368 - $170,085	11,339 New	11,339 $130,000
Q3 2022 Nov 14, 2022	SELL	$7.2 - $15.17 $2.12 Million - $4.47 Million	-294,348 Reduced 27.76%	765,953 $9.73 Million
Q2 2022 Aug 15, 2022	SELL	$4.36 - $10.5 $533,685 - $1.29 Million	-122,405 Reduced 10.35%	1,060,301 $7.29 Million
Q1 2022 May 16, 2022	BUY	$6.52 - $12.27 $3.91 Million - $7.37 Million	600,408 Added 103.11%	1,182,706 $11.4 Million
Q4 2021 Feb 14, 2022	BUY	$11.89 - $16.07 $283,160 - $382,707	23,815 Added 4.26%	582,298 $6.92 Million
Q3 2021 Nov 16, 2021	SELL	$15.6 - $21.46 $135,454 - $186,337	-8,683 Reduced 1.53%	558,483 $9.07 Million
Q2 2021 Aug 16, 2021	SELL	$15.94 - $22.33 $4.73 Million - $6.63 Million	-296,908 Reduced 34.36%	567,166 $11.9 Million
Q1 2021 May 17, 2021	BUY	$14.0 - $29.3 $3.28 Million - $6.86 Million	234,222 Added 37.19%	864,074 $13.4 Million
Q4 2020 Feb 16, 2021	SELL	$16.81 - $23.94 $5.99 Million - $8.53 Million	-356,111 Reduced 36.12%	629,852 $13.2 Million
Q3 2020 Nov 16, 2020	BUY	$20.0 - $23.9 $19.7 Million - $23.6 Million	985,963 New	985,963 $19.9 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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Janus Henderson Group PLC Dyne Therapeutics, Inc. Transaction History