Janus Henderson Group
SLDB icon

Janus Henderson Group’s Solid Biosciences SLDB Stock Holding History

Janus Henderson Group’s Portfolio SLDB Stock Details SLDB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$28.9M Buy
+4,010,695
New +$25.8M 0.01% 523
2024
Q3 		– Sell
-752,993
Closed -$4.33M – 2554
2024
Q2 		$4.33M Sell
752,993
-1,055,447
-58% -$9.45M ﹤0.01% 901
2024
Q1 		$23.9M Buy
+1,808,440
New +$16.9M 0.01% 534
2019
Q1 		– Sell
-24,860
Closed -$9.99M – 1380
2018
Q4 		$9.99M Sell
24,860
-9,459
-28% -$4.45M 0.01% 895
2018
Q3 		$24.3M Buy
+34,319
New +$21.6M 0.01% 771

Other funds holding SLDB

PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Janus Henderson Group's SLDB Position: Q1 2026 in Review

Janus Henderson Group opened a new position in Solid Biosciences (SLDB) in Q1 2026: 4,010,695 shares worth $28.9M. The stake represents 0.01% of the portfolio and ranks #523 among its holdings. This is a return to the name: Janus Henderson Group previously reported a position in SLDB as recently as Q2 2024.

Janus Henderson Group first reported a position in SLDB in Q3 2018 and has held it in 5 quarters since. 150 funds tracked by Wall St. Rank hold SLDB as of Q1 2026.

  • Janus Henderson Group held 4,010,695 shares of Solid Biosciences worth $28.9M as of Q1 2026.
  • Solid Biosciences was a new Janus Henderson Group position in Q1 2026.
  • Solid Biosciences made up 0.01% of Janus Henderson Group's portfolio in Q1 2026, its #523 holding.
  • Janus Henderson Group first reported a position in Solid Biosciences in Q3 2018 and has held it in 5 quarters since.
  • 150 funds tracked by Wall St. Rank held Solid Biosciences as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.