DYN icon

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.

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

Top Sellers

1
Holocene Advisors
1
Holocene Advisors
New York
$0
2
Adage Capital Partners
2
Adage Capital Partners
Massachusetts
$0
3
JFG
3
Jefferies Financial Group
New York
$0
4
RI
4
RTW Investments
New York
$17.7M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$54.3M
Name Market Value Shares Shares
Change 		Shares
Change %
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$118M 10,353,416 +2,974,107 +40%
RCM
2
RA Capital Management
Massachusetts
$102M 9,714,392 +3,333,248 +52%
AVLSA
3
Atlas Venture Life Science Advisors
Massachusetts
$95.5M 9,130,465 +1,111,111 +14%
BlackRock
4
BlackRock
New York
$84.2M 8,046,938 +97,536 +1%
Vanguard Group
5
Vanguard Group
Pennsylvania
$77.5M 7,406,344 +702,418 +10%
FIS
6
FCPM III Services
Netherlands
$57.1M 5,462,846 – –
Fidelity Investments
7
Fidelity Investments
Massachusetts
$54.3M 5,195,294 -2,801,637 -35%
B
8
Braidwell
Connecticut
$37.9M 3,621,344 +2,940,162 +432%
State Street
9
State Street
Massachusetts
$37.8M 3,609,651 -107,732 -3%
Citadel Advisors
10
Citadel Advisors
Florida
$31.5M 3,009,389 +147,808 +5%
AC
11
Armistice Capital
New York
$29M 2,768,000 +1,803,482 +187%
SL
12
Siren LLC
Connecticut
$28.4M 2,717,987 +1,370,531 +102%
TCM
13
TCG Crossover Management
California
$27.7M 2,650,150 – –
JPMorgan Chase & Co
14
JPMorgan Chase & Co
New York
$26.5M 2,531,313 +2,432,926 +2,473%
PA
15
Perceptive Advisors
New York
$24.2M 2,313,403 +1,770,126 +326%
VA
16
VR Adviser
New York
$22.7M 2,173,913 – –
DTC
17
Deep Track Capital
Connecticut
$20.9M 2,000,000 – –
Geode Capital Management
18
Geode Capital Management
Massachusetts
$20.5M 1,955,505 +68,176 +4%
T. Rowe Price Associates
19
T. Rowe Price Associates
Maryland
$19M 1,820,415 -582,037 -24%
VPC
20
Vestal Point Capital
New York
$18.8M 1,800,000 +1,800,000 New
RI
21
RTW Investments
New York
$17.7M 1,690,567 -3,528,074 -68%
Point72 Asset Management
22
Point72 Asset Management
Connecticut
$16M 1,528,534 +603,853 +65%
FLSM
23
Frazier Life Sciences Management
California
$15.1M 1,443,341 +1,443,341 New
Franklin Resources
24
Franklin Resources
California
$14.8M 1,414,835 +91,032 +7%
Morgan Stanley
25
Morgan Stanley
New York
$14.6M 1,391,587 +637,994 +85%
1
2 3 4 5