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Dyne Therapeutics
DYN

227 hedge funds and large institutions have $3.4B invested in Dyne Therapeutics in 2026 Q1 according to their latest regulatory filings, with 42 funds opening new positions, 100 increasing their positions, 60 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

67% more repeat investments, than reductions

Existing positions increased: 100 | Existing positions reduced: 60

2% less capital invested

Capital invested by funds: $3.48B → $3.4B (-$78.1M)

7% less first-time investments, than exits

New positions opened: 42 | Existing positions closed: 45

2% less funds holding

Funds holding: 232 → 227 (-5)

10.74% less ownership

Funds ownership: 124.57% → 113.83% (-11%)

29% less funds holding in top 10

Funds holding in top 10: 7 → 5 (-2)

83% less call options, than puts

Call options by funds: $769K | Put options by funds: $4.47M

Holders
227
Holders Change
-5
Holders Change %
-2.16%
% of All Funds
2.79%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.06%
New
42
Increased
100
Reduced
60
Closed
45
Calls
$769K
Puts
$4.47M
Net Calls
-$3.7M
Net Calls Change
-$596K

Top Buyers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$228M
2
VPC
Vestal Point Capital
New York
+$66.9M
3
Fidelity Investments
Fidelity Investments
Massachusetts
+$40.3M
4
OAG
Orbis Allan Gray
Bermuda
+$33.8M
5
Fiera Capital (Canada)
Fiera Capital (Canada)
Quebec, Canada
+$23.8M

Top Sellers

1
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$71.9M
2
SL
Siren LLC
Connecticut
-$22M
3
CS
Candriam SCA
Luxembourg
-$20.7M
4
VC
Vivo Capital
California
-$18.2M
5
Citadel Advisors
Citadel Advisors
Florida
-$16.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
NICM
76
Neo Ivy Capital Management
New York
$3.06M -$1.18M -68,714 -29%
BNP Paribas Asset Management
77
BNP Paribas Asset Management
France
$2.99M -$13.9K -805 -0.5%
Ameriprise
78
Ameriprise
Minnesota
$2.95M -$599K -34,719 -18%
SFM
79
Sphera Funds Management
Israel
$2.91M -$4.01M -232,300 -59%
Millennium Management
80
Millennium Management
New York
$2.87M -$12.9M -745,841 -82%
BGM
81
Burkehill Global Management
New York
$2.81M – – –
DWM
82
Darwin Wealth Management
Florida
$2.81M +$683K +39,595 +34%
WP
83
Woodline Partners
California
$2.71M +$493K +28,600 +24%
AllianceBernstein
84
AllianceBernstein
Tennessee
$2.66M +$29K +1,680 +1%
Wells Fargo
85
Wells Fargo
California
$2.64M -$40K -2,322 -2%
California State Teachers Retirement System (CalSTRS)
86
California State Teachers Retirement System (CalSTRS)
California
$2.53M +$325K +18,863 +16%
AWMM
87
Aegis Wealth Management (Maryland)
Maryland
$2.45M +$1.02M +59,122 +78%
SG Americas Securities
88
SG Americas Securities
New York
$2.04M -$2.63M -152,758 -58%
Susquehanna International Group
89
Susquehanna International Group
Pennsylvania
$1.97M +$181K +10,509 +11%
Legal & General Group
90
Legal & General Group
United Kingdom
$1.75M -$374K -21,660 -18%
Man Group
91
Man Group
United Kingdom
$1.73M +$1.65M +95,682 New
VOYA Investment Management
92
VOYA Investment Management
Georgia
$1.57M +$2.95K +171 +0.2%
AQR Capital Management
93
AQR Capital Management
Connecticut
$1.53M +$234K +13,579 +19%
Marshall Wace
94
Marshall Wace
United Kingdom
$1.51M -$10.2M -593,832 -88%
PA
95
Profund Advisors
Maryland
$1.49M -$79.5K -4,608 -5%
MCM
96
Moore Capital Management
New York
$1.43M +$1.36M +78,765 New
Tudor Investment Corp
97
Tudor Investment Corp
Connecticut
$1.4M -$1.22M -70,590 -48%
Mirae Asset Global ETFs Holdings
98
Mirae Asset Global ETFs Holdings
Hong Kong
$1.35M +$73.8K +4,278 +6%
VAM
99
Vanguard Asset Management
$1.33M +$1.26M +73,308 New
MIM
100
MetLife Investment Management
New Jersey
$1.32M +$55.9K +3,242 +5%
2 3
4
5 6

DYN Hedge Fund Activity: Q1 2026 in Review

227 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Dyne Therapeutics (DYN) for Q1 2026, worth a combined $3.4B — down 2.2% from $3.48B a quarter earlier.

Sellers outnumbered buyers: 45 funds closed out of DYN and 42 opened new positions — a net loss of 3 holders — while 60 trimmed existing stakes and 100 added.

The largest buyer was T. Rowe Price Investment Management, adding an estimated $228M. The largest seller was Adage Capital Partners, cutting an estimated $71.9M.

  • 227 institutional investors held Dyne Therapeutics (DYN) as of Q1 2026, down from 232 in Q4 2025.
  • Funds reported $3.4B of Dyne Therapeutics stock for Q1 2026, down 2.2% quarter-over-quarter.
  • 42 funds opened new Dyne Therapeutics positions in Q1 2026 and 45 closed out, a net change of -3 holders.
  • The largest Dyne Therapeutics buyer in Q1 2026 was T. Rowe Price Investment Management, an estimated $228M added.
  • The largest Dyne Therapeutics seller in Q1 2026 was Adage Capital Partners, an estimated $71.9M sold.

Based on aggregated 13F filings for Q1 2026.