JO
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John Overdeck’s Solid Biosciences SLDB Stock Holding History

John Overdeck’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 		$606K Sell
60,705
-31,502
-34% -$239K ﹤0.01% 4009
2026
Q1 		$664K Sell
92,207
-61,200
-40% -$393K ﹤0.01% 3536
2025
Q4 		$865K Sell
153,407
-2,443
-2% -$13.2K ﹤0.01% 3032
2025
Q3 		$962K Sell
155,850
-18,150
-10% -$106K ﹤0.01% 2600
2025
Q2 		$847K Buy
174,000
+104,506
+150% +$369K ﹤0.01% 2340
2025
Q1 		$257K Sell
69,494
-66,651
-49% -$285K ﹤0.01% 2773
2024
Q4 		$545K Sell
136,145
-66,817
-33% -$367K ﹤0.01% 2497
2024
Q3 		$1.41M Buy
202,962
+16,984
+9% +$138K ﹤0.01% 1896
2024
Q2 		$1.05M Buy
185,978
+98,590
+113% +$883K ﹤0.01% 1955
2024
Q1 		$1.16M Buy
87,388
+50,190
+135% +$470K ﹤0.01% 1859
2023
Q4 		$228K Buy
+37,198
New +$119K ﹤0.01% 2783
2022
Q4 		– Sell
-3,476
Closed -$24K – 3052
2022
Q3 		$24K Buy
3,476
+1,219
+54% +$12.3K ﹤0.01% 2373
2022
Q2 		$21K Sell
2,257
-10,063
-82% -$105K ﹤0.01% 2403
2022
Q1 		$222K Sell
12,320
-15,030
-55% -$265K ﹤0.01% 2310
2021
Q4 		$718K Buy
27,350
+15,394
+129% +$470K ﹤0.01% 2876
2021
Q3 		$429K Sell
11,956
-61,679
-84% -$2.62M ﹤0.01% 3386
2021
Q2 		$4.04M Buy
73,635
+32,073
+77% +$2.12M 0.01% 1329
2021
Q1 		$3.45M Buy
41,562
+9,152
+28% +$1.01M 0.01% 1297
2020
Q4 		$3.69M Buy
+32,410
New +$2.05M 0.01% 1109
2020
Q3 		– Sell
-2,974
Closed -$131K – 3508
2020
Q2 		$131K Sell
2,974
-2,663
-47% -$111K ﹤0.01% 2751
2020
Q1 		$202K Buy
5,637
+867
+18% +$42.9K ﹤0.01% 2654
2019
Q4 		$318K Buy
+4,770
New +$526K ﹤0.01% 3145
2019
Q2 		– Sell
-2,464
Closed -$340K – 3635
2019
Q1 		$340K Buy
+2,464
New +$617K ﹤0.01% 2521

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

John Overdeck's SLDB Position: Q2 2026 in Review

John Overdeck reduced its Solid Biosciences (SLDB) stake by 34% in Q2 2026, selling an estimated $239K and leaving 60,705 shares worth $606K. The position accounts for ﹤0.01% of the portfolio, ranked #4009.

John Overdeck first reported a position in SLDB in Q1 2019 and has held it in 23 quarters since. The position peaked at $4.04M in Q2 2021. 155 funds tracked by Wall St. Rank hold SLDB as of Q2 2026.

  • John Overdeck held 60,705 shares of Solid Biosciences worth $606K as of Q2 2026.
  • John Overdeck sold 31,502 Solid Biosciences shares in Q2 2026, an estimated $239K.
  • Solid Biosciences made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4009 holding.
  • John Overdeck first reported a position in Solid Biosciences in Q1 2019 and has held it in 23 quarters since.
  • John Overdeck's Solid Biosciences position peaked at $4.04M in Q2 2021.
  • 155 funds tracked by Wall St. Rank held Solid Biosciences as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.