LMR Partners’s Astera Labs ALAB Stock Holding History

LMR Partners’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	$3.54M	Buy	+32,263	New	+$4.6M	0.01%	731
2025 Q4	–	Sell	-105,865	Closed	-$20.7M	–	1764
2025 Q3	$20.7M	Buy	+105,865	New	+$17.4M	0.09%	173
2025 Q1	–	Sell	-150,000	Closed	-$19.9M	–	1676
2024 Q4	$19.9M	Sell	150,000 -125,000	-45%	-$11.7M	0.17%	121
2024 Q3	$14.4M	Buy	275,000 +175,000	+175%	+$8.21M	0.11%	153
2024 Q2	$6.05M	Sell	100,000 -25,000	-20%	-$1.73M	0.05%	287
2024 Q1	$9.27M	Buy	+125,000	New	+$9.26M	0.09%	201

Other funds holding ALAB

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

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

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

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

Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return

LMR Partners's ALAB Position: Q1 2026 in Review

LMR Partners opened a new position in Astera Labs (ALAB) in Q1 2026: 32,263 shares worth $3.54M. The stake represents 0.01% of the portfolio and ranks #731 among its holdings. This is a return to the name: LMR Partners previously reported a position in ALAB as recently as Q3 2025.

LMR Partners first reported a position in ALAB in Q1 2024 and has held it in 6 quarters since. The position peaked at $20.7M in Q3 2025. 703 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

LMR Partners held 32,263 shares of Astera Labs worth $3.54M as of Q1 2026.
Astera Labs was a new LMR Partners position in Q1 2026.
Astera Labs made up 0.01% of LMR Partners's portfolio in Q1 2026, its #731 holding.
LMR Partners first reported a position in Astera Labs in Q1 2024 and has held it in 6 quarters since.
LMR Partners's Astera Labs position peaked at $20.7M in Q3 2025.
703 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on LMR Partners's 13F filing for Q1 2026, filed 15 May 2026.