Dyne Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:DYN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
11 Mar 24	SellUS$223,465	Joshua Brumm	Individual	8,618	US$25.93
08 Mar 24	SellUS$725,344	Susanna High	Individual	27,199	US$27.41
01 Mar 24	SellUS$513,825	Atlas Venture L.P.	Company	17,099	US$30.05
28 Feb 24	SellUS$2,166,797	Atlas Venture L.P.	Company	89,407	US$25.25
23 Feb 24	SellUS$848,662	Atlas Venture L.P.	Company	37,386	US$22.70
09 Jan 24	BuyUS$29,999,988	Forbion Capital Partners B.V.	Company	1,714,285	US$17.50
12 Sep 23	SellUS$13,179	Jonathan McNeill	Individual	1,266	US$10.41
15 Jun 23	SellUS$120,300	Richard Scalzo	Individual	10,000	US$12.03
12 Jun 23	SellUS$617,686	Joshua Brumm	Individual	47,300	US$13.47

Insider Trading Volume

Insider Buying: DYN insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of DYN?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	6,804	0.0079%
Individual Insiders	251,345	0.292%
General Public	10,384,508	12.1%
VC/PE Firms	30,530,464	35.4%
Institutions	45,002,136	52.2%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 49.9%.

Top Shareholders

Top 25 shareholders own 73.51% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.31%	Atlas Venture L.P.	8,020,136	US$212.1m	-18.9%	21.32%
9.1%	Forbion Capital Partners B.V.	7,845,364	US$207.5m	28%	31.23%
6.05%	RA Capital Management, L.P.	5,213,661	US$137.9m	0%	1.75%
5.75%	MPM Asset Management, L.L.C.	4,951,303	US$130.9m	0%	49.43%
5.22%	Deep Track Capital, LP	4,500,000	US$119.0m	125%	3.81%
4.4%	BlackRock, Inc.	3,788,682	US$100.2m	14.6%	no data
3.54%	Citadel Advisors LLC	3,053,440	US$80.7m	0.39%	0.08%
2.71%	State Street Global Advisors, Inc.	2,337,141	US$61.8m	20.6%	no data
2.7%	The Vanguard Group, Inc.	2,329,641	US$61.6m	-1.47%	no data
2.52%	VR Adviser, LLC	2,173,913	US$57.5m	0%	3.03%
2.33%	Morgan Stanley, Investment Banking and Brokerage Investments	2,008,326	US$53.1m	2,110%	0.01%
2.2%	Franklin Resources, Inc.	1,895,285	US$50.1m	0.01%	0.02%
2.18%	Logos Global Management, L.P.	1,880,000	US$49.7m	-13.8%	5.97%
1.91%	TCG Crossover Management, LLC	1,650,150	US$43.6m	0%	3.79%
1.9%	Vivo Capital, LLC	1,635,136	US$43.2m	58%	3.26%
1.49%	FMR LLC	1,282,812	US$33.9m	51.6%	no data
1.41%	Artal Group S.A.	1,217,960	US$32.2m	49.4%	0.89%
1.37%	Frazier Life Sciences Management, LP	1,184,840	US$31.3m	0%	1.28%
1.29%	Goldman Sachs Group, Investment Banking and Securities Investments	1,114,918	US$29.5m	-24%	0.02%
1.18%	Sofinnova Investment, Inc.	1,013,505	US$26.8m	47.9%	1.97%
1.08%	Geode Capital Management, LLC	932,838	US$24.7m	8.76%	no data
1.04%	Commodore Capital LP	900,000	US$23.8m	0%	1.53%
0.96%	Armistice Capital LLC	824,000	US$21.8m	-31.3%	0.54%
0.93%	Dimensional Fund Advisors LP	805,551	US$21.3m	-14.6%	no data
0.92%	Octagon Capital Advisors LP	792,945	US$21.0m	14.4%	3.58%