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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
SIP
151
Stoneridge Investment Partners
Pennsylvania
$301K +$286K +16,611 New
Mariner
152
Mariner
Kansas
$292K +$277K +16,089 New
Stifel Financial
153
Stifel Financial
Missouri
$291K +$276K +16,028 New
Rockefeller Capital Management
154
Rockefeller Capital Management
New York
$275K +$15.4K +893 +6%
Allianz Asset Management
155
Allianz Asset Management
Germany
$272K – – –
Teacher Retirement System of Texas
156
Teacher Retirement System of Texas
Texas
$268K -$22K -1,277 -8%
VIA
157
Virtus Investment Advisers
Connecticut
$257K +$5.93K +344 +2%
GCM
158
Graham Capital Management
Connecticut
$239K -$397K -22,995 -64%
GC
159
Guggenheim Capital
Illinois
$222K +$20.1K +1,165 +11%
X
160
Xponance
Pennsylvania
$221K +$211K +12,208 New
IA
161
Inspire Advisors
Idaho
$215K +$204K +11,845 New
Universal-Beteiligungs- und Servicegesellschaft
162
Universal-Beteiligungs- und Servicegesellschaft
Germany
$214K -$44.8K -2,598 -18%
TRCT
163
Tower Research Capital (TRC)
New York
$211K +$188K +10,898 +1,493%
Capstone Investment Advisors
164
Capstone Investment Advisors
New York
$203K -$25.6K -1,483 -12%
AIP
165
Ameritas Investment Partners
Nebraska
$198K +$8.02K +465 +4%
JF
166
Jump Financial
Illinois
$192K -$425K -24,650 -70%
SRL
167
Scientech Research LLC
New Jersey
$192K +$182K +10,564 New
CIAM
168
Caitong International Asset Management
Hong Kong
$189K +$179K +10,405 New
SI
169
Stephens Inc
Arkansas
$183K +$174K +10,118 New
FCM
170
Farallon Capital Management
California
$181K – – –
II
171
Inspire Investing
Idaho
$169K +$160K +9,303 New
Mirae Asset Global Investments
172
Mirae Asset Global Investments
South Korea
$156K +$28.4K +1,648 +24%
CM
173
Caption Management
Oklahoma
$143K +$93K +5,394 +216%
SPIA
174
Steward Partners Investment Advisory
New York
$125K +$34.5K +2,000 +41%
Public Employees Retirement Association of Colorado
175
Public Employees Retirement Association of Colorado
Colorado
$104K – – –
5 6
7
8 9

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.