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Solid Biosciences
SLDB

Overview Fund Activity

125 hedge funds and large institutions have $292M invested in Solid Biosciences in 2025 Q1 according to their latest regulatory filings, with 51 funds opening new positions, 43 increasing their positions, 15 reducing their positions, and 15 closing their positions.

Holders
125
Holders Change
+35
Holders Change %
+38.89%
% of All Funds
1.7%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.01%
New
51
Increased
43
Reduced
15
Closed
15
Calls
$714K
Puts
$714K
Net Calls
–
Net Calls Change
-$2.28M

Top Buyers

1
CC
1
Commodore Capital
New York
$21.6M
2
PA
2
Perceptive Advisors
New York
$44.1M
3
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$24.9M
4
BCLSI
4
Bain Capital Life Sciences Investors
Massachusetts
$29.3M
5
SL
5
Siren LLC
Connecticut
$27.4M

Top Sellers

1
VPC
1
Vestal Point Capital
New York
$6.49M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$60.3K
3
LCM
3
Laurion Capital Management
New York
$0
4
Millennium Management
4
Millennium Management
New York
$1.98M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
PA
1
Perceptive Advisors
New York
$44.1M 11,906,646 +5,000,000 +72%
BCLSI
2
Bain Capital Life Sciences Investors
Massachusetts
$29.3M 7,911,669 +3,877,087 +96%
SL
3
Siren LLC
Connecticut
$27.4M 7,415,905 +3,666,864 +98%
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$24.9M 6,729,484 +4,981,400 +285%
CC
5
Commodore Capital
New York
$21.6M 5,825,000 +5,825,000 New
RCM
6
RA Capital Management
Massachusetts
$16M 4,330,446 – –
Fidelity Investments
7
Fidelity Investments
Massachusetts
$13M 3,517,888 +3,471,183 +7,432%
VA
8
VR Adviser
New York
$9.18M 2,481,400 +2,481,400 New
Vanguard Group
9
Vanguard Group
Pennsylvania
$9.1M 2,460,450 +1,059,192 +76%
BlackRock
10
BlackRock
New York
$7.96M 2,150,873 +290,269 +16%
RG
11
Redmile Group
California
$7.47M 2,019,171 +1,403,925 +228%
Citadel Advisors
12
Citadel Advisors
Florida
$6.98M 1,885,883 +937,465 +99%
VPC
13
Vestal Point Capital
New York
$6.49M 1,753,558 -1,096,442 -38%
MIM
14
Monashee Investment Management
Massachusetts
$6.19M 1,673,412 +1,193,412 +249%
MB
15
MPM BioImpact
Massachusetts
$6.08M 1,642,356 +1,642,356 New
Alyeska Investment Group
16
Alyeska Investment Group
Illinois
$6.07M 1,640,821 +1,294,450 +374%
BCM
17
Boxer Capital Management
California
$4.59M 1,240,700 +1,240,700 New
Franklin Resources
18
Franklin Resources
California
$4.59M 1,240,700 +1,240,700 New
FC
19
Finepoint Capital
Massachusetts
$3.56M 961,251 – –
CC
20
Casdin Capital
New York
$2.87M 775,000 +775,000 New
EC
21
EcoR1 Capital
California
$2.75M 744,450 +744,450 New
WP
22
Woodline Partners
California
$2.34M 631,823 +631,823 New
Balyasny Asset Management
23
Balyasny Asset Management
Illinois
$2.32M 627,274 +627,274 New
Millennium Management
24
Millennium Management
New York
$1.98M 534,564 -185,212 -26%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$1.96M 530,859 +21,057 +4%
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