California State Teachers Retirement System (CalSTRS)
ALAB icon

California State Teachers Retirement System (CalSTRS)’s Astera Labs ALAB Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$22.2M Sell
202,860
-5,504
-3% -$784K 0.02% 482
2025
Q4 		$34.7M Buy
208,364
+86,676
+71% +$14.5M 0.03% 375
2025
Q3 		$23.8M Sell
121,688
-1,034
-0.8% -$170K 0.02% 473
2025
Q2 		$11.1M Buy
122,722
+115,891
+1,697% +$9.16M 0.01% 593
2025
Q1 		$408K Sell
6,831
-34,909
-84% -$3.23M ﹤0.01% 2130
2024
Q4 		$5.53M Buy
41,740
+40,132
+2,496% +$3.77M 0.01% 858
2024
Q3 		$84.2K Hold
1,608
– – ﹤0.01% 2409
2024
Q2 		$97.3K Buy
+1,608
New +$112K ﹤0.01% 2407

Other funds holding ALAB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 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 $1.61T AUM 30.72% 1-Year Est. Return
Amundi
Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s ALAB Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Astera Labs (ALAB) stake by 2.6% in Q1 2026, selling an estimated $784K and leaving 202,860 shares worth $22.2M. The position accounts for 0.02% of the portfolio, ranked #482.

California State Teachers Retirement System (CalSTRS) first reported a position in ALAB in Q2 2024 and has held it in 8 quarters since. The position peaked at $34.7M in Q4 2025. 703 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 202,860 shares of Astera Labs worth $22.2M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 5,504 Astera Labs shares in Q1 2026, an estimated $784K.
  • Astera Labs made up 0.02% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #482 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Astera Labs in Q2 2024 and has held it in 8 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Astera Labs position peaked at $34.7M in Q4 2025.
  • 703 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.