Summit Partners Public Asset Management’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
Q1
– Sell
-510,000
Closed -$84.8M – 205
2025
Q4
$84.8M Hold
510,000
– – 1.76% 19
2025
Q3
$99.9M Sell
510,000
-106,500
-17% -$17.5M 2.07% 10
2025
Q2
$55.7M Buy
616,500
+11,000
+2% +$869K 1.41% 24
2025
Q1
$36.1M Sell
605,500
-656,986
-52% -$60.8M 0.93% 39
2024
Q4
$167M Sell
1,262,486
-360,486
-22% -$33.8M 3.19% 3
2024
Q3
$85M Buy
1,622,972
+682,371
+73% +$32M 2.63% 6
2024
Q2
$56.9M Buy
940,601
+172,587
+22% +$12M 2.17% 14
2024
Q1
$57M Buy
+768,014
New +$56.9M 1.96% 11

Other funds holding ALAB

Summit Partners Public Asset Management's ALAB Position: Q1 2026 in Review

Summit Partners Public Asset Management sold out of Astera Labs (ALAB) in Q1 2026, closing a stake of 510,000 shares — an estimated $84.8M sold.

Summit Partners Public Asset Management first reported a position in ALAB in Q1 2024 and held it in 8 quarters. The position peaked at $167M in Q4 2024. 709 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

  • Summit Partners Public Asset Management reported no remaining Astera Labs position as of Q1 2026 after selling out during the quarter.
  • Summit Partners Public Asset Management sold 510,000 Astera Labs shares in Q1 2026, an estimated $84.8M.
  • Summit Partners Public Asset Management first reported a position in Astera Labs in Q1 2024 and held it in 8 quarters.
  • Summit Partners Public Asset Management's Astera Labs position peaked at $167M in Q4 2024.
  • 709 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q1 2026, filed 15 May 2026.