DYN icon

Dyne Therapeutics
DYN

Overview Fund Activity

194 hedge funds and large institutions have $1.22B invested in Dyne Therapeutics in 2025 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 94 increasing their positions, 51 reducing their positions, and 30 closing their positions.

Holders
194
Holders Change
-10
Holders Change %
-4.9%
% of All Funds
2.61%
Holding in Top 10
6
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+20%
% of All Funds
0.08%
New
23
Increased
94
Reduced
51
Closed
30
Calls
$390K
Puts
$664K
Net Calls
-$274K
Net Calls Change
-$2.94M

Top Buyers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$30.4M
2
SL
2
Siren LLC
Connecticut
$46M
3
SVCM
3
Saturn V Capital Management
Texas
$13.9M
4
MB
4
MPM BioImpact
Massachusetts
$13.8M
5
LGM
5
Logos Global Management
California
$18.1M

Top Sellers

1
DTC
1
Deep Track Capital
Connecticut
$0
2
Citadel Advisors
2
Citadel Advisors
Florida
$8.99M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$1.17M
4
VPC
4
Vestal Point Capital
New York
$6.93M
5
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$89.9M
Name Market Value Shares Shares
Change 		Shares
Change %
RCM
1
RA Capital Management
Massachusetts
$92.5M 9,714,392 – –
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$89.9M 9,437,962 -915,454 -9%
AVLSA
3
Atlas Venture Life Science Advisors
Massachusetts
$86.9M 9,130,465 – –
BlackRock
4
BlackRock
New York
$76.9M 8,078,428 +31,490 +0.4%
Vanguard Group
5
Vanguard Group
Pennsylvania
$72.8M 7,651,157 +244,813 +3%
FIS
6
FCPM III Services
Netherlands
$52M 5,462,846 – –
Fidelity Investments
7
Fidelity Investments
Massachusetts
$50.4M 5,293,369 +98,075 +2%
SL
8
Siren LLC
Connecticut
$46M 4,836,437 +2,118,450 +78%
TCM
9
TCG Crossover Management
California
$35.9M 3,766,660 +1,116,510 +42%
State Street
10
State Street
Massachusetts
$31.9M 3,355,678 -253,973 -7%
B
11
Braidwell
Connecticut
$31.2M 3,273,349 -347,995 -10%
Adage Capital Partners
12
Adage Capital Partners
Massachusetts
$30.4M 3,191,000 +3,191,000 New
JPMorgan Chase & Co
13
JPMorgan Chase & Co
New York
$29.4M 3,086,779 +555,466 +22%
AC
14
Armistice Capital
New York
$24.4M 2,560,000 -208,000 -8%
T. Rowe Price Associates
15
T. Rowe Price Associates
Maryland
$22.7M 2,383,953 +563,538 +31%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$21.5M 2,253,670 +298,165 +15%
PA
17
Perceptive Advisors
New York
$21.4M 2,247,390 -66,013 -3%
VA
18
VR Adviser
New York
$20.7M 2,173,913 – –
LGM
19
Logos Global Management
California
$18.1M 1,900,000 +1,400,000 +280%
T. Rowe Price Investment Management
20
T. Rowe Price Investment Management
Maryland
$17.1M 1,793,590 +625,615 +54%
RI
21
RTW Investments
New York
$16.1M 1,690,567 – –
FLSM
22
Frazier Life Sciences Management
California
$14.3M 1,505,984 +62,643 +4%
SVCM
23
Saturn V Capital Management
Texas
$13.9M 1,455,429 +1,455,429 New
MB
24
MPM BioImpact
Massachusetts
$13.8M 1,446,361 +1,446,361 New
Franklin Resources
25
Franklin Resources
California
$13.2M 1,390,140 -24,695 -2%
1
2 3 4 5