Two Sigma Investments
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Two Sigma Investments’s Astera Labs ALAB Stock Holding History

Two Sigma Investments’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 		$14.3M Buy
130,400
+78,700
+152% +$11.2M 0.01% 1174
2025
Q4 		$8.6M Buy
51,700
+48,400
+1,467% +$8.1M 0.01% 1231
2025
Q3 		$646K Buy
+3,300
New +$543K ﹤0.01% 2860

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

Two Sigma Investments's ALAB Position: Q1 2026 in Review

Two Sigma Investments increased its Astera Labs (ALAB) stake by 18% in Q1 2026, buying an estimated $15.8M and bringing the position to 744,309 shares worth $81.6M. The position accounts for 0.07% of the portfolio, ranked #335.

Two Sigma Investments first reported a position in ALAB in Q3 2024 and has held it in 7 quarters since. The position peaked at $247M in Q3 2025. 703 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

  • Two Sigma Investments held 744,309 shares of Astera Labs worth $81.6M as of Q1 2026.
  • Two Sigma Investments bought 110,935 Astera Labs shares in Q1 2026, an estimated $15.8M.
  • Astera Labs made up 0.07% of Two Sigma Investments's portfolio in Q1 2026, its #335 holding.
  • Two Sigma Investments first reported a position in Astera Labs in Q3 2024 and has held it in 7 quarters since.
  • Two Sigma Investments's Astera Labs position peaked at $247M in Q3 2025.
  • 703 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.