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

Two Sigma Advisers’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 		– Sell
-376,598
Closed -$62.7M – 2237
2025
Q4 		$62.7M Sell
376,598
-719,002
-66% -$120M 0.12% 164
2025
Q3 		$215M Buy
1,095,600
+518,000
+90% +$85.2M 0.43% 54
2025
Q2 		$52.2M Buy
577,600
+339,100
+142% +$26.8M 0.11% 180
2025
Q1 		$14.2M Sell
238,500
-91,700
-28% -$8.48M 0.03% 430
2024
Q4 		$43.7M Buy
330,200
+306,200
+1,276% +$28.7M 0.1% 184
2024
Q3 		$1.26M Buy
+24,000
New +$1.13M ﹤0.01% 1305

Other funds holding ALAB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
AM
Atreides Management Boston, Massachusetts $14.3B AUM 116.01% 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 $30B AUM 76.99% 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 $416B AUM 44.19% 1-Year Est. Return

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

Two Sigma Advisers sold out of Astera Labs (ALAB) in Q1 2026, closing a stake of 376,598 shares — an estimated $62.7M sold.

Two Sigma Advisers first reported a position in ALAB in Q3 2024 and held it in 6 quarters. The position peaked at $215M in Q3 2025. 708 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

  • Two Sigma Advisers reported no remaining Astera Labs position as of Q1 2026 after selling out during the quarter.
  • Two Sigma Advisers sold 376,598 Astera Labs shares in Q1 2026, an estimated $62.7M.
  • Two Sigma Advisers first reported a position in Astera Labs in Q3 2024 and held it in 6 quarters.
  • Two Sigma Advisers's Astera Labs position peaked at $215M in Q3 2025.
  • 708 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on Two Sigma Advisers's 13F filing for Q1 2026.