Horizon Investments’s Astera Labs ALAB Stock Holding History

Horizon 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
2025 Q4	–	Sell	-1,695	Closed	-$332K	–	1401
2025 Q3	$332K	Buy	+1,695	New	+$279K	﹤0.01%	874

Other funds holding ALAB

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

FAM

Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Atreides Management Boston, Massachusetts $5B AUM 78.34% 1-Year Est. Return

Horizon Investments's ALAB Position: Q4 2025 in Review

Horizon Investments sold out of Astera Labs (ALAB) in Q4 2025, closing a stake of 1,695 shares — an estimated $332K sold.

Horizon Investments first reported a position in ALAB in Q3 2025 and held it in 1 quarter. The position peaked at $332K in Q3 2025. 700 funds tracked by Wall St. Rank hold ALAB as of Q4 2025.

Horizon Investments reported no remaining Astera Labs position as of Q4 2025 after selling out during the quarter.
Horizon Investments sold 1,695 Astera Labs shares in Q4 2025, an estimated $332K.
Horizon Investments first reported a position in Astera Labs in Q3 2025 and held it in 1 quarter.
Horizon Investments's Astera Labs position peaked at $332K in Q3 2025.
700 funds tracked by Wall St. Rank held Astera Labs as of Q4 2025.

Based on Horizon Investments's 13F filing for Q4 2025, filed 2 Feb 2026.