Ken Griffin
ALAB icon

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 		$33.2M Buy
302,531
+179,486
+146% +$25.6M 0.01% 1755
2025
Q4 		$20.5M Sell
123,045
-203,448
-62% -$34M ﹤0.01% 2309
2025
Q3 		$63.9M Buy
326,493
+290,126
+798% +$47.7M 0.01% 1166
2025
Q2 		$3.29M Sell
36,367
-346,085
-90% -$27.3M ﹤0.01% 4826
2025
Q1 		$22.8M Buy
382,452
+271,702
+245% +$25.1M ﹤0.01% 1894
2024
Q4 		$14.7M Sell
110,750
-688,298
-86% -$64.6M ﹤0.01% 2520
2024
Q3 		$41.9M Buy
+799,048
New +$37.5M 0.01% 1383
2024
Q2 		– Sell
-623,000
Closed -$43.2M – 15611
2024
Q1 		$46.2M Buy
+623,000
New +$46.2M 0.01% 1274

Other funds holding ALAB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
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
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
AM
Atreides Management Boston, Massachusetts $5B AUM 78.34% 1-Year Est. Return
State Street
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
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Amundi
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.