Marshall Wace’s Astera Labs ALAB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$19.8M Sell
41,065
-138,485
-77% -$36.7M 0.02% 731
2026
Q1
$19.7M Sell
179,550
-168,746
-48% -$24M 0.02% 710
2025
Q4
$57.9M Buy
348,296
+49,882
+17% +$8.34M 0.05% 310
2025
Q3
$58.4M Buy
298,414
+73,199
+33% +$12M 0.06% 280
2025
Q2
$20.4M Buy
225,215
+54,498
+32% +$4.31M 0.02% 576
2025
Q1
$10.2M Buy
+170,717
New +$15.8M 0.01% 768
2024
Q4
Sell
-699,431
Closed -$36.6M 3076
2024
Q3
$36.6M Buy
699,431
+660,572
+1,700% +$31M 0.04% 346
2024
Q2
$2.35M Buy
+38,859
New +$2.7M ﹤0.01% 1288

Other funds holding ALAB

Marshall Wace's ALAB Position: Q2 2026 in Review

Marshall Wace reduced its Astera Labs (ALAB) stake by 77% in Q2 2026, selling an estimated $36.7M and leaving 41,065 shares worth $19.8M. The position accounts for 0.02% of the portfolio, ranked #731.

Marshall Wace first reported a position in ALAB in Q2 2024 and has held it in 8 quarters since. The position peaked at $58.4M in Q3 2025. 988 funds tracked by Wall St. Rank hold ALAB as of Q2 2026.

  • Marshall Wace held 41,065 shares of Astera Labs worth $19.8M as of Q2 2026.
  • Marshall Wace sold 138,485 Astera Labs shares in Q2 2026, an estimated $36.7M.
  • Astera Labs made up 0.02% of Marshall Wace's portfolio in Q2 2026, its #731 holding.
  • Marshall Wace first reported a position in Astera Labs in Q2 2024 and has held it in 8 quarters since.
  • Marshall Wace's Astera Labs position peaked at $58.4M in Q3 2025.
  • 988 funds tracked by Wall St. Rank held Astera Labs as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.