JY
SLDB icon

Jeff Yass’s Solid Biosciences SLDB Stock Holding History

Jeff Yass’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
Q2 		$374K Sell
37,400
-198,000
-84% -$1.5M ﹤0.01% 10573
2026
Q1 		$1.69M Buy
235,400
+220,200
+1,449% +$1.41M ﹤0.01% 6566
2025
Q4 		$85.7K Sell
15,200
-700
-4% -$3.79K ﹤0.01% 11537
2025
Q3 		$98.1K Sell
15,900
-42,100
-73% -$246K ﹤0.01% 11576
2025
Q2 		$282K Sell
58,000
-1,500
-3% -$5.3K ﹤0.01% 10486
2025
Q1 		$220K Buy
59,500
+30,100
+102% +$129K ﹤0.01% 10745
2024
Q4 		$118K Sell
29,400
-16,600
-36% -$91.2K ﹤0.01% 11215
2024
Q3 		$321K Buy
+46,000
New +$373K ﹤0.01% 9460
2023
Q1 		– Sell
-27,400
Closed -$147K – 13422
2022
Q4 		$147K Buy
27,400
+24,807
+957% +$163K ﹤0.01% 10519
2022
Q3 		$18K Buy
+2,593
New +$26.2K ﹤0.01% 12637
2022
Q2 		– Sell
-1,027
Closed -$18K – 13847
2022
Q1 		$18K Buy
+1,027
New +$18.1K ﹤0.01% 12648
2021
Q3 		– Sell
-7,353
Closed -$404K – 13485
2021
Q2 		$404K Buy
7,353
+1,740
+31% +$115K ﹤0.01% 10109
2021
Q1 		$466K Buy
5,613
+1,773
+46% +$196K ﹤0.01% 9645
2020
Q4 		$437K Buy
+3,840
New +$243K ﹤0.01% 8566
2020
Q1 		– Sell
-1,507
Closed -$101K – 10821
2019
Q4 		$101K Sell
1,507
-1,606
-52% -$177K ﹤0.01% 9136
2019
Q3 		$483K Sell
3,113
-9,854
-76% -$1.11M ﹤0.01% 7379
2019
Q2 		$1.12M Sell
12,967
-1,293
-9% -$141K ﹤0.01% 5397
2019
Q1 		$1.97M Buy
14,260
+5,973
+72% +$1.5M ﹤0.01% 3768
2018
Q4 		$3.33M Buy
+8,287
New +$3.9M ﹤0.01% 2789

Other funds holding SLDB

RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Jeff Yass's SLDB Position: Q2 2026 in Review

Jeff Yass reduced its Solid Biosciences (SLDB) stake by 40% in Q2 2026, selling an estimated $809K and leaving 163,037 shares worth $1.63M. The position accounts for ﹤0.01% of the portfolio, ranked #6972.

Jeff Yass first reported a position in SLDB in Q1 2019 and has held it in 26 quarters since. The position peaked at $3.11M in Q3 2025. 155 funds tracked by Wall St. Rank hold SLDB as of Q2 2026.

  • Jeff Yass held 163,037 shares of Solid Biosciences worth $1.63M as of Q2 2026.
  • Jeff Yass sold 106,694 Solid Biosciences shares in Q2 2026, an estimated $809K.
  • Solid Biosciences made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #6972 holding.
  • Jeff Yass first reported a position in Solid Biosciences in Q1 2019 and has held it in 26 quarters since.
  • Jeff Yass's Solid Biosciences position peaked at $3.11M in Q3 2025.
  • 155 funds tracked by Wall St. Rank held Solid Biosciences as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.