Jane Street
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Jane Street’s Astera Labs ALAB Stock Holding History

Jane Street’s Portfolio ALAB Stock Details ALAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.04B Sell
2,151,400
-438,300
-17% -$116M 0.09% 163
2026
Q1 		$284M Buy
2,589,700
+306,800
+13% +$43.7M 0.04% 314
2025
Q4 		$380M Buy
2,282,900
+132,000
+6% +$22.1M 0.06% 223
2025
Q3 		$421M Buy
2,150,900
+798,000
+59% +$131M 0.06% 198
2025
Q2 		$122M Buy
1,352,900
+182,000
+16% +$14.4M 0.02% 403
2025
Q1 		$69.9M Buy
1,170,900
+50,500
+5% +$4.67M 0.02% 500
2024
Q4 		$148M Buy
1,120,400
+679,300
+154% +$63.8M 0.03% 321
2024
Q3 		$23.1M Buy
441,100
+406,000
+1,157% +$19.1M 0.01% 1139
2024
Q2 		$2.12M Sell
35,100
-1,400
-4% -$97.1K ﹤0.01% 4371
2024
Q1 		$2.71M Buy
+36,500
New +$2.7M ﹤0.01% 3577

Other funds holding ALAB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Jane Street's ALAB Position: Q2 2026 in Review

Jane Street increased its Astera Labs (ALAB) stake by 114% in Q2 2026, buying an estimated $1.32M and bringing the position to 9,312 shares worth $4.5M. The position accounts for ﹤0.01% of the portfolio, ranked #3854.

Jane Street first reported a position in ALAB in Q1 2024 and has held it in 9 quarters since. The position peaked at $79.3M in Q3 2025. 989 funds tracked by Wall St. Rank hold ALAB as of Q2 2026.

  • Jane Street held 9,312 shares of Astera Labs worth $4.5M as of Q2 2026.
  • Jane Street bought 4,970 Astera Labs shares in Q2 2026, an estimated $1.32M.
  • Astera Labs made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #3854 holding.
  • Jane Street first reported a position in Astera Labs in Q1 2024 and has held it in 9 quarters since.
  • Jane Street's Astera Labs position peaked at $79.3M in Q3 2025.
  • 989 funds tracked by Wall St. Rank held Astera Labs as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.