Dyne Therapeutics, Inc.

DYN

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001818794

SEC filings (opens in a new tab)

In the last 90 days, Dyne Therapeutics, Inc. insiders filed 0 open-market purchases and 10 sales; 245 institutions reported holding it in 13F filings for Q2 2026, worth $4.23B in total; no superinvestor holds it.

Q1 2024 vs. Q4 2023

How the institutions holding Dyne Therapeutics, Inc. changed between Q4 2023 and Q1 2024.

All holders in Q1 2024 All holders in Q4 2023

13F holders of DYN: Q4 2023 compared with Q1 2024
Measure	Q4 2023	Of which not filed for Q1 2024	Q1 2024	Change
Holders	124	1	169	+46
Shares	69.9M	39.5K	95.4M	+25.5M (+36.5%)
Value	$930.0M	$525.8K	$2.71B	+$1.78B (+191.4%)

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (62)

Institutions that held Dyne Therapeutics, Inc. at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to DYN in Q1 2024
Institution	Shares	Value	% of portfolio
Ra Capital Management, L.P.	4,954,779	$140.7M	1.79%
RTW Investments, LP	3,091,587	$87.8M	1.30%
Adage Capital Partners GP, L.L.C.	2,325,000	$66.0M	0.12%
OrbiMed Advisors LLC	708,400	$20.1M	0.39%
Rock Springs Capital Management LP	451,824	$12.8M	0.33%
EcoR1 Capital, LLC	427,039	$12.1M	0.31%
Baker Bros. Advisors LP	285,000	$8.09M	0.10%
Atika Capital Management LLC	175,000	$4.97M	0.56%
Monashee Investment Management LLC	170,000	$4.83M	0.57%
EAM Investors, LLC	147,968	$4.20M	0.66%
Prudential Financial Inc	145,160	$4.12M	0.01%
Artia Global Partners LP	119,488	$3.39M	0.83%
First Light Asset Management, LLC	105,948	$3.01M	0.23%
Superstring Capital Management LP	99,822	$2.83M	1.87%
Lisanti Capital Growth, LLC	86,610	$2.46M	0.60%
Squarepoint Ops LLC	79,180	$2.25M	0.01%
Crestline Management, LP	75,000	$2.13M	0.20%
TD Asset Management Inc	74,800	$2.12M	0.00%
Tudor Investment Corp Et Al	56,961	$1.62M	0.02%
Marshall Wace, LLP	53,705	$1.52M	0.00%
Norges Bank	47,258	$1.34M	0.00%
Cubist Systematic Strategies, LLC	42,817	$1.22M	0.01%
Advisor Group Holdings, Inc.	32,410	$920.0K	0.00%
Arcadia Investment Management Corp	31,325	$889.3K	0.16%
Raymond James Financial Services Advisors, Inc.	30,904	$877.4K	0.00%
Ratan Capital Management LP	29,000	$823.3K	0.44%
Oppenheimer & Co Inc	28,529	$809.9K	0.01%
Jump Financial, LLC	27,382	$777.4K	0.02%
Marex Group plc	25,500	$723.9K	0.02%
SEI Investments Co	24,410	$693.0K	0.00%
STRS Ohio	20,400	$579.0K	0.00%
Capstone Investment Advisors, LLC	20,248	$574.8K	0.01%
Concurrent Investment Advisors, LLC	20,200	$573.5K	0.02%
AlphaCentric Advisors LLC	20,000	$567.8K	0.34%
GTS Securities LLC	18,613	$528.4K	0.01%
Graham Capital Management, L.P.	18,396	$522.3K	0.01%
Seven Eight Capital, LP	18,171	$515.9K	0.05%
E Fund Management Co., Ltd.	16,275	$462.0K	0.03%
LPL Financial LLC	15,114	$429.1K	0.00%
Arizona State Retirement System	11,871	$337.0K	0.00%
Allianz Asset Management GmbH	11,800	$335.0K	0.00%
Legato Capital Management LLC	11,445	$324.9K	0.04%
Mariner, LLC	9,745	$276.7K	0.00%
Teacher Retirement System of Texas	9,613	$273.0K	0.00%
Two Sigma Investments, LP	8,912	$253.0K	0.00%
AQR Capital Management LLC	8,143	$231.2K	0.00%
Deerfield Management Company, L.P. (Series C)	7,940	$225.4K	0.00%
EntryPoint Capital, LLC	7,552	$214.4K	0.19%
Pacer Advisors, Inc.	1,600	$45.4K	0.00%
KBC Group NV	1,406	$40.0K	0.00%
Clear Street Markets LLC	1,000	$28.0K	0.01%
Wetzel Investment Advisors, Inc.	1,000	$23.6K	0.01%
GPS Wealth Strategies Group, LLC	400	$11.4K	0.00%
ADAR1 Capital Management, LLC	297	$8.43K	0.00%
Cutler Group LP	300	$8.00K	0.00%
Headlands Technologies LLC	256	$7.27K	0.00%
Nisa Investment Advisors, LLC	74	$2.10K	0.00%
Bellevue Asset Management, LLC	47	$1.33K	0.00%
The PNC Financial Services Group, Inc.	10	$284	0.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	9	$255	0.00%
Rothschild Investment LLC	5	$142	0.00%
CWM, LLC	2	$0	0.00%

Sold out (16)

Institutions that held Dyne Therapeutics, Inc. at the end of Q4 2023 and filed for Q1 2024 without it.

Institutions that sold out of DYN in Q1 2024
Institution	Shares, Q4 2023	Value, Q4 2023
Frazier Life Sciences Management, L.P.	1,184,840	$15.8M
Commodore Capital LP	900,000	$12.0M
Braidwell LP	755,811	$10.1M
Laurion Capital Management LP	400,000	$5.32M
Assenagon Asset Management S.A.	286,644	$3.81M
Ikarian Capital, LLC	285,900	$3.80M
Caption Management, LLC	187,288	$2.49M
Boothbay Fund Management, LLC	57,200	$760.8K
New York Life Investment Management LLC	30,210	$401.8K
XTX Topco Ltd	24,511	$326.0K
American Century Companies Inc	22,680	$301.6K
B. Metzler seel. Sohn & Co. AG	19,962	$265.5K
Entropy Technologies, LP	14,794	$196.8K
SG Americas Securities, LLC	12,938	$172.0K
State Board of Administration of Florida Retirement System	12,215	$162.5K
Quarry LP	1,500	$19.9K

Not filed for Q1 2024 yet (1)

Institutions that held Dyne Therapeutics, Inc. at the end of Q4 2023 and haven't filed a 13F for Q1 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding DYN in Q4 2023 that haven't filed for Q1 2024
Institution	Shares, Q4 2023	Value, Q4 2023
Putnam Investments LLC	39,536	$525.8K