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Security record · archived quarter

DYN

Dyne Therapeutics, Inc. · Healthcare · Biotechnology

26.34 +1.3% mkt cap $4.92B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
18Tracked holders
+1Δ holders
57.06MShares held
$721.88MReported value
+1New positions
−1Exits
Strongly Rising Conviction score 64/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +5.9% · share flow +28.2% · net new positions 0.0%formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 86 +1 73.72M $1.63B +7 −5
Q1 2026 87 -4 78.51M $1.42B +7 −12
Q4 2025 92 0 87.58M $1.71B +2 −1
Q3 2025 18 +1 57.06M $721.88M +1 −1
Q2 2025 15 +2 34.50M $328.45M +2
Q1 2025 10 -1 12.46M $130.33M +1 −2
Q4 2024 11 0 14.93M $351.71M +1 −1
Q3 2024 10 -2 10.58M $380.14M +1 −3
Q2 2024 12 13.13M $463.42M
Holder count
Who holds it · Q3 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 The Vanguard Group (passive) 9.76M +27.6% $123.47M 0.0% ▲ Add 2 SEC ↗
2 The Vanguard Group (passive) 9.76M +27.6% $123.47M 0.0% ▲ Add 2 SEC ↗
3 The Vanguard Group (passive) 9.76M +27.6% $123.47M 0.0% ▲ Add 2 SEC ↗
4 The Vanguard Group (passive) 9.76M +27.6% $123.47M 0.0% ▲ Add 2 SEC ↗
5 The Vanguard Group (passive) 9.76M +27.6% $123.47M 0.0% ▲ Add 2 SEC ↗
6 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
7 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
8 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
9 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
10 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
11 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
12 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
13 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
14 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
15 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
16 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
17 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
18 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
19 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
20 BlackRock (passive) 9.63M +19.3% $121.88M 0.0% ▲ Add 2 SEC ↗
21 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
22 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
23 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
24 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
25 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
26 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
27 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
28 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
29 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
30 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
31 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
32 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
33 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
34 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
35 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
36 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
37 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
38 JPMorgan Chase 6.73M $85.14M 0.0% n/c 1 SEC ↗
39 Fidelity (FMR) 5.40M +2.0% $68.33M 0.0% ▲ Add 2 SEC ↗
40 Fidelity (FMR) 5.40M +2.0% $68.33M 0.0% ▲ Add 2 SEC ↗
41 Fidelity (FMR) 5.40M +2.0% $68.33M 0.0% ▲ Add 2 SEC ↗
42 Fidelity (FMR) 5.40M +2.0% $68.33M 0.0% ▲ Add 2 SEC ↗
43 State Street Global Advisors (passive) 5.27M +57.0% $66.65M 0.0% ▲ Add 4 SEC ↗
44 Adage Capital Partners 3.55M +11.4% $44.96M 0.1% ▲ Add 2 SEC ↗
45 Citadel Advisors 3.41M +261.6% $43.18M 0.0% ▲ Add 6 SEC ↗
46 Citadel Advisors 3.41M +261.6% $43.18M 0.0% ▲ Add 6 SEC ↗
47 Marshall Wace 3.01M +572.9% $38.12M 0.0% ▲ Add 2 SEC ↗
48 Geode Capital Management (passive) 2.87M +27.2% $36.28M 0.0% ▲ Add 6 SEC ↗
49 Geode Capital Management (passive) 2.87M +27.2% $36.28M 0.0% ▲ Add 6 SEC ↗
50 Goldman Sachs Group 1.90M $24.04M 0.0% n/c 1 SEC ↗
51 Goldman Sachs Group 1.90M $24.04M 0.0% n/c 1 SEC ↗
52 Point72 Asset Management 1.72M +1293.4% $21.73M 0.1% ▲ Add 6 SEC ↗
53 Morgan Stanley 1.42M $17.95M 0.0% n/c 1 SEC ↗
54 Morgan Stanley 1.42M $17.95M 0.0% n/c 1 SEC ↗
55 Morgan Stanley 1.42M $17.95M 0.0% n/c 1 SEC ↗
56 Morgan Stanley 1.42M $17.95M 0.0% n/c 1 SEC ↗
57 Morgan Stanley 1.42M $17.95M 0.0% n/c 1 SEC ↗
58 Morgan Stanley 1.42M $17.95M 0.0% n/c 1 SEC ↗
59 Morgan Stanley 1.42M $17.95M 0.0% n/c 1 SEC ↗
60 T. Rowe Price 1.40M -41.4% $17.69M 0.0% ▼ Trim 6 SEC ↗
61 T. Rowe Price 1.40M -41.4% $17.69M 0.0% ▼ Trim 6 SEC ↗
62 Millennium Management 413.94K +190.0% $5.24M 0.0% ▲ Add 5 SEC ↗
63 Renaissance Technologies 345.50K New $4.37M 0.0% New 1 SEC ↗
64 AQR Capital Management 141.88K +230.6% $1.79M 0.0% ▲ Add 3 SEC ↗
65 AQR Capital Management 141.88K +230.6% $1.79M 0.0% ▲ Add 3 SEC ↗
66 AQR Capital Management 141.88K +230.6% $1.79M 0.0% ▲ Add 3 SEC ↗
67 AQR Capital Management 141.88K +230.6% $1.79M 0.0% ▲ Add 3 SEC ↗
68 AQR Capital Management 141.88K +230.6% $1.79M 0.0% ▲ Add 3 SEC ↗
69 Wellington Management 41.91K +23.2% $530,224 0.0% ▲ Add 6 SEC ↗
70 Wellington Management 41.91K +23.2% $530,224 0.0% ▲ Add 6 SEC ↗
71 Wellington Management 41.91K +23.2% $530,224 0.0% ▲ Add 6 SEC ↗
72 Wellington Management 41.91K +23.2% $530,224 0.0% ▲ Add 6 SEC ↗
73 D. E. Shaw & Co. 41.59K -91.8% $526,076 0.0% ▼ Trim 6 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Renaissance Technologies $4.37M 0.0%

Exited

Norges Bank $469,517 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 226 holders, 184.59M shares, $2.74B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 14 Rhodes Jason P

Director · 1.36M sh · $33.99M

Aug 14 Rhodes Jason P

Director · 478.38K sh · $11.96M

Aug 14 Rhodes Jason P

Director · 322.46K sh · $8.06M

Aug 13 Rhodes Jason P

Director · 63.64K sh · $1.67M

Aug 13 Lucera Erick

Officer · 1.80K sh · $47,225

Aug 13 Kerr Douglas

Officer · 1.56K sh · $40,892

Aug 13 Cox John

Officer, Director · 4.99K sh · $131,032

Aug 13 Friedl-Naderer Johanna

Officer · 226 sh · $5,939

Aug 13 Rhodes Jason P

Director · 268.35K sh · $7.03M

Aug 13 Rhodes Jason P

Director · 94.42K sh · $2.47M

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 13 SC 13G/A — Janus Henderson Group Ltd.

View original SEC filing ↗

Aug 13 SC 13G/A — Atlas Venture Fund XI, L.P.

View original SEC filing ↗

Aug 06 SC 13G/A — FMR LLC

View original SEC filing ↗

Jul 28 SC 13G/A — BlackRock, Inc.

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q3 2025 · Methodology · Get this via the API