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	$4.5M	Buy	9,312 +4,970	+114%	+$1.32M	﹤0.01%	3854
2026 Q1	$476K	Sell	4,342 -1,952	-31%	-$278K	﹤0.01%	8166
2025 Q4	$1.05M	Sell	6,294 -398,887	-98%	-$66.7M	﹤0.01%	6026
2025 Q3	$79.3M	Buy	405,181 +243,132	+150%	+$40M	0.01%	697
2025 Q2	$14.7M	Buy	+162,049	New	+$12.8M	﹤0.01%	1753
2025 Q1	–	Sell	-183,429	Closed	-$17M	–	10862
2024 Q4	$24.3M	Sell	183,429 -112,796	-38%	-$10.6M	0.01%	1130
2024 Q3	$15.5M	Buy	296,225 +208,329	+237%	+$9.78M	﹤0.01%	1466
2024 Q2	$5.32M	Sell	87,896 -135,839	-61%	-$9.42M	﹤0.01%	2888
2024 Q1	$16.6M	Buy	+223,735	New	+$16.6M	﹤0.01%	1340

Other funds holding ALAB

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

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.