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Security record

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
86Tracked holders
+1Δ holders
73.72MShares held
$1.63BReported value
+7New positions
−5Exits
Rising Conviction score 46/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +1.2% · share flow +13.8% · net new positions +2.3%formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

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 · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
2 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
3 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
4 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
5 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
6 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
7 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
8 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
9 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
10 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
11 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
12 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
13 BlackRock (passive) 12.40M +6.0% $275.50M 0.0% ▲ Add 5 SEC ↗
14 Fidelity (FMR) 11.21M +25.8% $248.91M 0.0% ▲ Add 5 SEC ↗
15 Fidelity (FMR) 11.21M +25.8% $248.91M 0.0% ▲ Add 5 SEC ↗
16 Fidelity (FMR) 11.21M +25.8% $248.91M 0.0% ▲ Add 5 SEC ↗
17 Fidelity (FMR) 11.21M +25.8% $248.91M 0.0% ▲ Add 5 SEC ↗
18 State Street Global Advisors (passive) 7.46M +12.1% $165.65M 0.0% ▲ Add 7 SEC ↗
19 Vanguard Capital Management Llc 6.31M -1.5% $140.17M 0.0% ▼ Trim 2 SEC ↗
20 T. Rowe Price 3.94M +69.1% $87.44M 0.0% ▲ Add 9 SEC ↗
21 T. Rowe Price 3.94M +69.1% $87.44M 0.0% ▲ Add 9 SEC ↗
22 Geode Capital Management (passive) 3.74M +6.8% $83.16M 0.0% ▲ Add 9 SEC ↗
23 Geode Capital Management (passive) 3.74M +6.8% $83.16M 0.0% ▲ Add 9 SEC ↗
24 JPMorgan Chase 3.15M -3.1% $67.15M 0.0% ▼ Trim 4 SEC ↗
25 JPMorgan Chase 3.15M -3.1% $67.15M 0.0% ▼ Trim 4 SEC ↗
26 JPMorgan Chase 3.15M -3.1% $67.15M 0.0% ▼ Trim 4 SEC ↗
27 JPMorgan Chase 3.15M -3.1% $67.15M 0.0% ▼ Trim 4 SEC ↗
28 JPMorgan Chase 3.15M -3.1% $67.15M 0.0% ▼ Trim 4 SEC ↗
29 JPMorgan Chase 3.15M -3.1% $67.15M 0.0% ▼ Trim 4 SEC ↗
30 JPMorgan Chase 3.15M -3.1% $67.15M 0.0% ▼ Trim 4 SEC ↗
31 Bank Of America Corp /De/ 2.23M +54.7% $49.60M 0.0% ▲ Add 3 SEC ↗
32 Bank Of America Corp /De/ 2.23M +54.7% $49.60M 0.0% ▲ Add 3 SEC ↗
33 Bank Of America Corp /De/ 2.23M +54.7% $49.60M 0.0% ▲ Add 3 SEC ↗
34 Bank Of America Corp /De/ 2.23M +54.7% $49.60M 0.0% ▲ Add 3 SEC ↗
35 Goldman Sachs Group 2.16M +25.2% $47.91M 0.0% ▲ Add 4 SEC ↗
36 Goldman Sachs Group 2.16M +25.2% $47.91M 0.0% ▲ Add 4 SEC ↗
37 Franklin Resources Inc 2.03M +1.1% $45.10M 0.0% ▲ Add 3 SEC ↗
38 Franklin Resources Inc 2.03M +1.1% $45.10M 0.0% ▲ Add 3 SEC ↗
39 Dimensional Fund Advisors Lp 1.95M +104.5% $43.22M 0.0% ▲ Add 3 SEC ↗
40 Dimensional Fund Advisors Lp 1.95M +104.5% $43.22M 0.0% ▲ Add 3 SEC ↗
41 Dimensional Fund Advisors Lp 1.95M +104.5% $43.22M 0.0% ▲ Add 3 SEC ↗
42 Dimensional Fund Advisors Lp 1.95M +104.5% $43.22M 0.0% ▲ Add 3 SEC ↗
43 Aberdeen Group plc 1.54M +7.6% $34.19M 0.0% ▲ Add 3 SEC ↗
44 Marshall Wace 1.49M +1690.7% $33.07M 0.0% ▲ Add 5 SEC ↗
45 Marshall Wace 1.49M +1690.7% $33.07M 0.0% ▲ Add 5 SEC ↗
46 Marshall Wace 1.49M +1690.7% $33.07M 0.0% ▲ Add 5 SEC ↗
47 Northern Trust Corp 1.28M +6.6% $28.39M 0.0% ▲ Add 3 SEC ↗
48 Northern Trust Corp 1.28M +6.6% $28.39M 0.0% ▲ Add 3 SEC ↗
49 Northern Trust Corp 1.28M +6.6% $28.39M 0.0% ▲ Add 3 SEC ↗
50 Northern Trust Corp 1.28M +6.6% $28.39M 0.0% ▲ Add 3 SEC ↗
51 Northern Trust Corp 1.28M +6.6% $28.39M 0.0% ▲ Add 3 SEC ↗
52 Charles Schwab Investment… 1.20M +3.8% $26.70M 0.0% ▲ Add 3 SEC ↗
53 Citadel Advisors 1.14M +468.7% $25.41M 0.0% ▲ Add 9 SEC ↗
54 Morgan Stanley 746.20K -19.7% $16.57M 0.0% ▼ Trim 4 SEC ↗
55 Morgan Stanley 746.20K -19.7% $16.57M 0.0% ▼ Trim 4 SEC ↗
56 Morgan Stanley 746.20K -19.7% $16.57M 0.0% ▼ Trim 4 SEC ↗
57 Morgan Stanley 746.20K -19.7% $16.57M 0.0% ▼ Trim 4 SEC ↗
58 Morgan Stanley 746.20K -19.7% $16.57M 0.0% ▼ Trim 4 SEC ↗
59 Morgan Stanley 746.20K -19.7% $16.57M 0.0% ▼ Trim 4 SEC ↗
60 Artisan Partners Limited Partnership 659.79K +6.5% $14.65M 0.0% ▲ Add 3 SEC ↗
61 Raymond James Financial Inc 576.35K +27.6% $12.80M 0.0% ▲ Add 3 SEC ↗
62 Raymond James Financial Inc 576.35K +27.6% $12.80M 0.0% ▲ Add 3 SEC ↗
63 Td Asset Management Inc 548.11K +3.5% $12.17M 0.0% ▲ Add 3 SEC ↗
64 UBS Group AG 443.28K +16.5% $9.85M 0.0% ▲ Add 3 SEC ↗
65 UBS Group AG 443.28K +16.5% $9.85M 0.0% ▲ Add 3 SEC ↗
66 UBS Group AG 443.28K +16.5% $9.85M 0.0% ▲ Add 3 SEC ↗
67 UBS Group AG 443.28K +16.5% $9.85M 0.0% ▲ Add 3 SEC ↗
68 UBS Group AG 443.28K +16.5% $9.85M 0.0% ▲ Add 3 SEC ↗
69 Millennium Management 431.85K +172.4% $9.59M 0.0% ▲ Add 8 SEC ↗
70 Clearbridge Investments, LLC 415.13K +3.0% $9.22M 0.0% ▲ Add 3 SEC ↗
71 Bank of New York Mellon Corp 409.80K +2.0% $9.10M 0.0% ▲ Add 3 SEC ↗
72 Bank of New York Mellon Corp 409.80K +2.0% $9.10M 0.0% ▲ Add 3 SEC ↗
73 Bank of New York Mellon Corp 409.80K +2.0% $9.10M 0.0% ▲ Add 3 SEC ↗
74 Bank of New York Mellon Corp 409.80K +2.0% $9.10M 0.0% ▲ Add 3 SEC ↗
75 Bank of New York Mellon Corp 409.80K +2.0% $9.10M 0.0% ▲ Add 3 SEC ↗
76 Bank of New York Mellon Corp 409.80K +2.0% $9.10M 0.0% ▲ Add 3 SEC ↗
77 Bank of New York Mellon Corp 409.80K +2.0% $9.10M 0.0% ▲ Add 3 SEC ↗
78 Bank of New York Mellon Corp 409.80K +2.0% $9.10M 0.0% ▲ Add 3 SEC ↗
79 Nuveen, LLC 386.79K -46.1% $8.59M 0.0% ▼ Trim 3 SEC ↗
80 Nuveen, LLC 386.79K -46.1% $8.59M 0.0% ▼ Trim 3 SEC ↗
81 Nuveen, LLC 386.79K -46.1% $8.59M 0.0% ▼ Trim 3 SEC ↗
82 Renaissance Technologies 360.57K -32.4% $8.01M 0.0% ▼ Trim 4 SEC ↗
83 New York State Common Retirement… 355.95K +6.7% $7.91M 0.0% ▲ Add 3 SEC ↗
84 Squarepoint Ops LLC 300.07K -64.0% $6.66M 0.0% ▼ Trim 3 SEC ↗
85 Fisher Asset Management 298.50K -7.6% $6.63M 0.0% ▼ Trim 3 SEC ↗
86 Ameriprise Financial Inc 298.32K +83.0% $6.63M 0.0% ▲ Add 3 SEC ↗
87 Ensign Peak Advisors, Inc 289.73K -41.7% $6.43M 0.0% ▼ Trim 3 SEC ↗
88 UBS AM, a distinct business unit of… 269.99K +12.8% $6.00M 0.0% ▲ Add 3 SEC ↗
89 UBS AM, a distinct business unit of… 269.99K +12.8% $6.00M 0.0% ▲ Add 3 SEC ↗
90 UBS AM, a distinct business unit of… 269.99K +12.8% $6.00M 0.0% ▲ Add 3 SEC ↗
91 UBS AM, a distinct business unit of… 269.99K +12.8% $6.00M 0.0% ▲ Add 3 SEC ↗
92 UBS AM, a distinct business unit of… 269.99K +12.8% $6.00M 0.0% ▲ Add 3 SEC ↗
93 UBS AM, a distinct business unit of… 269.99K +12.8% $6.00M 0.0% ▲ Add 3 SEC ↗
94 UBS AM, a distinct business unit of… 269.99K +12.8% $6.00M 0.0% ▲ Add 3 SEC ↗
95 UBS AM, a distinct business unit of… 269.99K +12.8% $6.00M 0.0% ▲ Add 3 SEC ↗
96 UBS AM, a distinct business unit of… 269.99K +12.8% $6.00M 0.0% ▲ Add 3 SEC ↗
97 Alyeska Investment Group, L.P. 245.28K New $5.45M 0.0% New 1 SEC ↗
98 Deutsche Bank Ag\ 242.39K +9.6% $5.38M 0.0% ▲ Add 3 SEC ↗
99 Deutsche Bank Ag\ 242.39K +9.6% $5.38M 0.0% ▲ Add 3 SEC ↗
100 Deutsche Bank Ag\ 242.39K +9.6% $5.38M 0.0% ▲ Add 3 SEC ↗

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

New buyers

Alyeska Investment Group, L.P. $5.45M 0.0%

Exited

Qube Research & Technologies… $4.59M was 0.0%
Man Group plc $1.73M was 0.0%
Tudor Investment Corp Et Al $1.40M was 0.0%
Capstone Investment Advisors… $203,364 was 0.0%
National Bank Of Canada /Fi/ $3,624 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: Q2 2026 · Methodology · Get this via the API