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Ossiam’s Astera Labs ALAB Stock Holding History

Ossiam’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 		$14.4M Sell
131,067
-5,774
-4% -$822K 0.25% 60
2025
Q4 		$22.8M Sell
136,841
-28,588
-17% -$4.78M 0.45% 42
2025
Q3 		$32.4M Buy
+165,429
New +$27.2M 0.42% 41

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

Ossiam's ALAB Position: Q1 2026 in Review

Ossiam reduced its Astera Labs (ALAB) stake by 4.2% in Q1 2026, selling an estimated $822K and leaving 131,067 shares worth $14.4M. The position accounts for 0.25% of the portfolio, ranked #60.

Ossiam first reported a position in ALAB in Q3 2025 and has held it in 3 quarters since. The position peaked at $32.4M in Q3 2025. 703 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

  • Ossiam held 131,067 shares of Astera Labs worth $14.4M as of Q1 2026.
  • Ossiam sold 5,774 Astera Labs shares in Q1 2026, an estimated $822K.
  • Astera Labs made up 0.25% of Ossiam's portfolio in Q1 2026, its #60 holding.
  • Ossiam first reported a position in Astera Labs in Q3 2025 and has held it in 3 quarters since.
  • Ossiam's Astera Labs position peaked at $32.4M in Q3 2025.
  • 703 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on Ossiam's 13F filing for Q1 2026, filed 14 May 2026.