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Dyne Therapeutics
DYN

Overview Fund Activity

204 hedge funds and large institutions have $1.29B invested in Dyne Therapeutics in 2025 Q1 according to their latest regulatory filings, with 50 funds opening new positions, 81 increasing their positions, 43 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
204
Holders Change
+4
Holders Change %
+2%
% of All Funds
2.77%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.07%
New
50
Increased
81
Reduced
43
Closed
44
Calls
$3.39M
Puts
$724K
Net Calls
+$2.67M
Net Calls Change
+$9.39M

Top Buyers

1
RCM
RA Capital Management
Massachusetts
$102M
2
Janus Henderson Group
Janus Henderson Group
United Kingdom
$118M
3
B
Braidwell
Connecticut
$37.9M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$26.5M
5
AC
Armistice Capital
New York
$29M

Top Sellers

1
Holocene Advisors
Holocene Advisors
New York
$0
2
Adage Capital Partners
Adage Capital Partners
Massachusetts
$0
3
JFG
Jefferies Financial Group
New York
$0
4
RI
RTW Investments
New York
$17.7M
5
Fidelity Investments
Fidelity Investments
Massachusetts
$54.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
WCM
201
WealthTrak Capital Management
Virginia
$210 +$210 +20 New
FDCDDQ
202
Federation des caisses Desjardins du Quebec
Quebec, Canada
$209 – – –
Amundi
203
Amundi
France
$198 – – –
National Bank of Canada
204
National Bank of Canada
Quebec, Canada
$10 +$10 +1 New
Holocene Advisors
205
Holocene Advisors
New York
– -$55.3M -2,348,161 Closed
Adage Capital Partners
206
Adage Capital Partners
Massachusetts
– -$45.9M -1,950,000 Closed
JFG
207
Jefferies Financial Group
New York
– -$42.4M -1,800,000 Closed
Jennison Associates
208
Jennison Associates
New York
– -$28.6M -1,211,915 Closed
Federated Hermes
209
Federated Hermes
Pennsylvania
– -$24.9M -1,056,241 Closed
Norges Bank
210
Norges Bank
Norway
– -$22.4M -950,104 Closed
Man Group
211
Man Group
United Kingdom
– -$17.6M -746,463 Closed
OCA
212
Octagon Capital Advisors
New York
– -$15.7M -668,000 Closed
EC
213
EcoR1 Capital
California
– -$13.1M -555,644 Closed
FLAM
214
First Light Asset Management
Minnesota
– -$9.91M -420,431 Closed
VVA
215
Vida Ventures Advisors
Massachusetts
– -$9.6M -407,499 Closed
EAM
216
Eventide Asset Management
Massachusetts
– -$7.83M -332,277 Closed
Pictet Asset Management
217
Pictet Asset Management
Switzerland
– -$7.62M -323,552 Closed
CM
218
Crestline Management
Texas
– -$4.35M -184,818 Closed
Balyasny Asset Management
219
Balyasny Asset Management
Illinois
– -$3.99M -169,306 Closed
Neuberger Berman Group
220
Neuberger Berman Group
New York
– -$3.59M -152,306 Closed
Prudential Financial
221
Prudential Financial
New Jersey
– -$3.43M -145,510 Closed
SFAM
222
Springhill Fund Asset Management
Hong Kong
– -$3.09M -131,200 Closed
APM
223
Avidity Partners Management
Texas
– -$2.26M -96,000 Closed
Two Sigma Advisers
224
Two Sigma Advisers
New York
– -$1.79M -76,100 Closed
SCM
225
Superstring Capital Management
New York
– -$1.72M -73,150 Closed
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