Wellington Management Group
SLDB icon

Wellington Management Group’s Solid Biosciences SLDB Stock Holding History

Wellington Management 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
Q2 		$1.85M Buy
185,365
+24,087
+15% +$183K ﹤0.01% 1649
2026
Q1 		$1.16M Sell
161,278
-24,404
-13% -$157K ﹤0.01% 1647
2025
Q4 		$1.05M Sell
185,682
-40,715
-18% -$221K ﹤0.01% 1709
2025
Q3 		$1.4M Buy
226,397
+90,636
+67% +$530K ﹤0.01% 1713
2025
Q2 		$661K Buy
+135,761
New +$480K ﹤0.01% 1776
2025
Q1 		– Sell
-124,551
Closed -$498K – 2039
2024
Q4 		$498K Buy
124,551
+4,747
+4% +$26.1K ﹤0.01% 1832
2024
Q3 		$835K Buy
119,804
+77,564
+184% +$629K ﹤0.01% 1742
2024
Q2 		$240K Buy
+42,240
New +$378K ﹤0.01% 1847
2019
Q4 		– Sell
-20,826
Closed -$3.23M – 2110
2019
Q3 		$3.23M Sell
20,826
-707
-3% -$80K ﹤0.01% 1452
2019
Q2 		$1.86M Sell
21,533
-5,228
-20% -$570K ﹤0.01% 1642
2019
Q1 		$3.69M Sell
26,761
-3,711
-12% -$930K ﹤0.01% 1456
2018
Q4 		$12.2M Buy
30,472
+3,524
+13% +$1.66M ﹤0.01% 1130
2018
Q3 		$19.1M Buy
26,948
+310
+1% +$195K ﹤0.01% 1099
2018
Q2 		$14.2M Buy
26,638
+5,929
+29% +$1.82M ﹤0.01% 1183
2018
Q1 		$2.33M Buy
+20,709
New +$6.99M ﹤0.01% 1689

Other funds holding SLDB

RA Capital Management
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
Perceptive Advisors
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
Bain Capital Life Sciences Investors
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
Armistice Capital
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Jupiter Topco
Jupiter Topco New York $245B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Wellington Management Group's SLDB Position: Q2 2026 in Review

Wellington Management Group increased its Solid Biosciences (SLDB) stake by 15% in Q2 2026, buying an estimated $183K and bringing the position to 185,365 shares worth $1.85M. The position accounts for ﹤0.01% of the portfolio, ranked #1649.

Wellington Management Group first reported a position in SLDB in Q1 2018 and has held it in 15 quarters since. The position peaked at $19.1M in Q3 2018. 156 funds tracked by Wall St. Rank hold SLDB as of Q2 2026.

  • Wellington Management Group held 185,365 shares of Solid Biosciences worth $1.85M as of Q2 2026.
  • Wellington Management Group bought 24,087 Solid Biosciences shares in Q2 2026, an estimated $183K.
  • Solid Biosciences made up ﹤0.01% of Wellington Management Group's portfolio in Q2 2026, its #1649 holding.
  • Wellington Management Group first reported a position in Solid Biosciences in Q1 2018 and has held it in 15 quarters since.
  • Wellington Management Group's Solid Biosciences position peaked at $19.1M in Q3 2018.
  • 156 funds tracked by Wall St. Rank held Solid Biosciences as of Q2 2026.

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