What does CUSIP 26818M108 represent in this 13F holders report?

CUSIP 26818M108 is the security identifier for DYN - Dyne Therapeutics, Inc. - COMMON STOCK, $0.0001 PAR VALUE used to aggregate holder disclosures.

How many institutions held DYN - Dyne Therapeutics, Inc. - COMMON STOCK, $0.0001 PAR VALUE in Q4 2022?

112 institutional investors reported DYN - Dyne Therapeutics, Inc. - COMMON STOCK, $0.0001 PAR VALUE for Q4 2022. Use the holders table for investor-level position and value details.

Dyne Therapeutics, Inc. - COMMON STOCK, $0.0001 PAR VALUE (DYN)

CUSIP: 26818M108

Q4 2022 13F Holders as of 31 Dec 2022

Security type / class: Equity / COMMON STOCK, $0.0001 PAR VALUE
Total 13F shares: 49,732,095
Total 13F value: $576,377,450
Share change: +4,446,598
Put/Call ratio: 5.9%
SEC-reported price per share: $11.59
Number of holders: 112
Value change: +$50,130,248
Number of buys: 55
Number of sells: 41
Shares outstanding: 186,643,708

Security key

26818M108

Report period

Q4 2022

Institutions

112

Top holders

DYN full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Dyne Therapeutics, Inc. SEC filings Dyne Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 26818M108

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of DYN - Dyne Therapeutics, Inc. - COMMON STOCK, $0.0001 PAR VALUE (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Atlas Venture Opportunity...

Disclosed value leader

Atlas Venture Life Scienc...

Comparable rows

0/15

Latest evidence

12 Dec 2022

3/4/5 13F Highest disclosed value: $113,473,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Atlas Venture Life Science Advisors, LLC has the largest disclosed position value at $113.47M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Atlas Venture Life Science Advisors, LLC's linked filing trail.

Disclosed position value Top 5

Atlas Venture Opportunity Fund II... $44.51M

Atlas Venture Life Science Adviso... $113.47M

MPM ASSET MANAGEMENT LLC $62.88M

Deep Track Capital, LP $40.44M

CITADEL ADVISORS LLC $37.11M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Atlas Venture Opportunity Fund II, L.P.	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$44,508,906 2,543,366 shares	—	12 Dec 2022
Atlas Venture Life Science Advisors, LLC	13F Company 13F	— denominator unverified	$113,473,000 8,934,902 shares	—	30 Sep 2022
MPM ASSET MANAGEMENT LLC	13F Company 13F	— denominator unverified	$62,882,000 4,951,303 shares	—	30 Sep 2022
Deep Track Capital, LP	13F Company 13F	— denominator unverified	$40,439,000 3,184,200 shares	—	30 Sep 2022
CITADEL ADVISORS LLC	13F Company 13F	— denominator unverified	$37,114,000 2,922,372 shares	—	30 Sep 2022
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$32,069,000 2,525,067 shares	—	30 Sep 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2022

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

112

49,732,095

Rows available

112

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2022 vs Q3 2022 Across Filers

Q3 2022 holders

100

Q4 2022 holders

112

Holder diff

Investor	Q3 2022 Shares	Q4 2022 Shares	Share Diff	Share Chg %	Q3 2022 value	Q4 2022 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend