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
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 		$12.3M 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

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
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 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

Wellington Management Group's SLDB Position: Q1 2026 in Review

Wellington Management Group reduced its Solid Biosciences (SLDB) stake by 13% in Q1 2026, selling an estimated $157K and leaving 161,278 shares worth $1.16M. The position accounts for ﹤0.01% of the portfolio, ranked #1647.

Wellington Management Group first reported a position in SLDB in Q1 2018 and has held it in 14 quarters since. The position peaked at $19.1M in Q3 2018. 150 funds tracked by Wall St. Rank hold SLDB as of Q1 2026.

  • Wellington Management Group held 161,278 shares of Solid Biosciences worth $1.16M as of Q1 2026.
  • Wellington Management Group sold 24,404 Solid Biosciences shares in Q1 2026, an estimated $157K.
  • Solid Biosciences made up ﹤0.01% of Wellington Management Group's portfolio in Q1 2026, its #1647 holding.
  • Wellington Management Group first reported a position in Solid Biosciences in Q1 2018 and has held it in 14 quarters since.
  • Wellington Management Group's Solid Biosciences position peaked at $19.1M in Q3 2018.
  • 150 funds tracked by Wall St. Rank held Solid Biosciences as of Q1 2026.

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