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Polymer Capital Management’s Astera Labs ALAB Stock Holding History

Polymer Capital Management’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
-1,655
Closed -$275K – 1047
2025
Q4 		$275K Sell
1,655
-1,628
-50% -$272K 0.03% 659
2025
Q3 		$643K Buy
+3,283
New +$540K 0.07% 352

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

Polymer Capital Management's ALAB Position: Q1 2026 in Review

Polymer Capital Management sold out of Astera Labs (ALAB) in Q1 2026, closing a stake of 1,655 shares — an estimated $275K sold.

Polymer Capital Management first reported a position in ALAB in Q3 2025 and held it in 2 quarters. The position peaked at $643K in Q3 2025. 703 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

  • Polymer Capital Management reported no remaining Astera Labs position as of Q1 2026 after selling out during the quarter.
  • Polymer Capital Management sold 1,655 Astera Labs shares in Q1 2026, an estimated $275K.
  • Polymer Capital Management first reported a position in Astera Labs in Q3 2025 and held it in 2 quarters.
  • Polymer Capital Management's Astera Labs position peaked at $643K in Q3 2025.
  • 703 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on Polymer Capital Management's 13F filing for Q1 2026, filed 14 May 2026.