Ken Griffin’s Astera Labs ALAB Stock Holding History

Ken Griffin’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 Q1	$109M	Sell	998,000 -57,500	-5%	-$8.19M	0.02%	750
2025 Q4	$176M	Sell	1,055,500 -338,500	-24%	-$56.6M	0.03%	542
2025 Q3	$273M	Buy	1,394,000 +1,037,700	+291%	+$171M	0.04%	358
2025 Q2	$32.2M	Sell	356,300 -19,600	-5%	-$1.55M	0.01%	1612
2025 Q1	$22.4M	Buy	375,900 +139,900	+59%	+$12.9M	﹤0.01%	1915
2024 Q4	$31.3M	Buy	236,000 +124,400	+111%	+$11.7M	0.01%	1706
2024 Q3	$5.85M	Buy	111,600 +72,100	+183%	+$3.38M	﹤0.01%	3701
2024 Q2	$2.39M	Sell	39,500 -40,100	-50%	-$2.78M	﹤0.01%	4986
2024 Q1	$5.91M	Buy	+79,600	New	+$5.9M	﹤0.01%	3687

Other funds holding ALAB

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Atreides Management Boston, Massachusetts $5B AUM 78.34% 1-Year Est. Return

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

FAM

Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return

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

Amundi Paris, France $413B AUM 44.57% 1-Year Est. Return

Ken Griffin's ALAB Position: Q1 2026 in Review

Ken Griffin increased its Astera Labs (ALAB) stake by 146% in Q1 2026, buying an estimated $25.6M and bringing the position to 302,531 shares worth $33.2M. The position accounts for 0.01% of the portfolio, ranked #1755.

Ken Griffin first reported a position in ALAB in Q1 2024 and has held it in 8 quarters since. The position peaked at $63.9M in Q3 2025. 706 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

Ken Griffin held 302,531 shares of Astera Labs worth $33.2M as of Q1 2026.
Ken Griffin bought 179,486 Astera Labs shares in Q1 2026, an estimated $25.6M.
Astera Labs made up 0.01% of Ken Griffin's portfolio in Q1 2026, its #1755 holding.
Ken Griffin first reported a position in Astera Labs in Q1 2024 and has held it in 8 quarters since.
Ken Griffin's Astera Labs position peaked at $63.9M in Q3 2025.
706 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.