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Solid Biosciences
SLDB

124 hedge funds and large institutions have $292M invested in Solid Biosciences in 2025 Q1 according to their latest regulatory filings, with 49 funds opening new positions, 43 increasing their positions, 16 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

227% more first-time investments, than exits

New positions opened: 49 | Existing positions closed: 15

169% more repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 16

101% more capital invested

Capital invested by funds: $145M → $292M (+$146M)

38% more funds holding

Funds holding: 90 → 124 (+34)

10.83% more ownership

Funds ownership: 90.92% → 101.75% (+11%)

0% more call options, than puts

Call options by funds: $714K | Put options by funds: $714K

Holders
124
Holders Change
+34
Holders Change %
+37.78%
% of All Funds
1.66%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
49
Increased
43
Reduced
16
Closed
15
Calls
$714K
Puts
$714K
Net Calls
–
Net Calls Change
-$2.28M

Top Buyers

Rank Fund Capital Flow
1
CC
Commodore Capital
New York
+$24.9M
2
PA
Perceptive Advisors
New York
+$21.4M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$21.3M
4
BCLSI
Bain Capital Life Sciences Investors
Massachusetts
+$16.6M
5
SL
Siren LLC
Connecticut
+$15.7M

Top Sellers

Rank Fund Capital Flow
1
VPC
Vestal Point Capital
New York
-$4.69M
2
JP Morgan Chase
JP Morgan Chase
New York
-$4.02M
3
LCM
Laurion Capital Management
New York
-$1.02M
4
Millennium Management
Millennium Management
New York
-$793K
5
N
Nuveen
North Carolina
-$661K
Name Holding Trade Value Shares
Change 		Change in
Stake
CIAM
101
Caitong International Asset Management
Hong Kong
$7.37K +$8.45K +1,974 +10,967%
Legal & General Group
102
Legal & General Group
United Kingdom
$7.21K – – –
California State Teachers Retirement System (CalSTRS)
103
California State Teachers Retirement System (CalSTRS)
California
$6.04K – – –
Royal Bank of Canada
104
Royal Bank of Canada
Ontario, Canada
$5K +$5.51K +1,288 +1,952%
Simplex Trading
105
Simplex Trading
Illinois
$4K -$47.8K -11,165 -91%
HFS
106
Hantz Financial Services
Michigan
$4K – – –
GFM
107
GF Fund Management
China
$3.67K +$651 +152 +18%
SAM
108
Smartleaf Asset Management
Massachusetts
$3.46K +$3.42K +800 New
AB
109
Amalgamated Bank
New York
$3K – – –
CCM
110
Coldstream Capital Management
Washington
$2.54K +$2.93K +685 New
SS
111
SBI Securities
Japan
$2K +$1.13K +263 +95%
EWA
112
EverSource Wealth Advisors
Alabama
$1.39K +$1.61K +376 New
SCM
113
Sterling Capital Management
North Carolina
$1.38K -$1.42K -331 -47%
US Bancorp
114
US Bancorp
Minnesota
$1.24K +$1.44K +336 New
TWD
115
True Wealth Design
Ohio
$1.18K +$1.36K +318 New
Daiwa Securities Group
116
Daiwa Securities Group
Japan
$1K +$1.71K +400 New
TWC
117
TD Waterhouse Canada
Ontario, Canada
$617 – – –
GI
118
GAMMA Investing
California
$566 +$167 +39 +34%
PNC Financial Services Group
119
PNC Financial Services Group
Pennsylvania
$485 +$561 +131 New
MCM
120
MAI Capital Management
Ohio
$456 +$527 +123 New
RA
121
Rise Advisors
New York
$352 +$407 +95 New
Osaic Holdings
122
Osaic Holdings
Arizona
$110 – – –
IA
123
IFP Advisors
Florida
$30 – – –
PA
124
Parallel Advisors
California
$26 – – –
LCM
125
Laurion Capital Management
New York
– -$1.02M -255,077 Closed
2 3 4
5
6

SLDB Hedge Fund Activity: Q1 2025 in Review

124 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Solid Biosciences (SLDB) for Q1 2025, worth a combined $292M — up 101% from $145M a quarter earlier.

Buyers outnumbered sellers: 49 funds opened new SLDB positions and 15 closed out — a net gain of 34 holders — while 43 added to existing stakes and 16 trimmed.

The largest buyer was Commodore Capital, opening a new position worth an estimated $24.9M. The largest seller was Vestal Point Capital, cutting an estimated $4.69M.

  • 124 institutional investors held Solid Biosciences (SLDB) as of Q1 2025, up from 90 in Q4 2024.
  • Funds reported $292M of Solid Biosciences stock for Q1 2025, up 101% quarter-over-quarter.
  • 49 funds opened new Solid Biosciences positions in Q1 2025 and 15 closed out, a net change of +34 holders.
  • The largest Solid Biosciences buyer in Q1 2025 was Commodore Capital, an estimated $24.9M added.
  • The largest Solid Biosciences seller in Q1 2025 was Vestal Point Capital, an estimated $4.69M sold.

Based on aggregated 13F filings for Q1 2025.