Adage Capital Partners
ALAB icon

Adage Capital Partners’s Astera Labs ALAB Stock Holding History

Adage Capital 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 		$49.7M Buy
453,741
+285,000
+169% +$40.6M 0.08% 250
2025
Q4 		$28.1M Buy
168,741
+135,000
+400% +$22.6M 0.04% 389
2025
Q3 		$6.61M Sell
33,741
-556,191
-94% -$91.5M 0.01% 700
2025
Q2 		$53.3M Buy
589,932
+126,000
+27% +$9.95M 0.09% 225
2025
Q1 		$27.7M Buy
463,932
+412,500
+802% +$38.2M 0.05% 344
2024
Q4 		$6.81M Sell
51,432
-608,923
-92% -$57.1M 0.01% 676
2024
Q3 		$34.6M Buy
660,355
+135,355
+26% +$6.35M 0.06% 303
2024
Q2 		$31.8M Buy
525,000
+25,000
+5% +$1.73M 0.06% 321
2024
Q1 		$37.1M Buy
+500,000
New +$37M 0.07% 300

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

Adage Capital Partners's ALAB Position: Q1 2026 in Review

Adage Capital Partners increased its Astera Labs (ALAB) stake by 169% in Q1 2026, buying an estimated $40.6M and bringing the position to 453,741 shares worth $49.7M. The position accounts for 0.08% of the portfolio, ranked #250.

Adage Capital Partners first reported a position in ALAB in Q1 2024 and has held it in 9 quarters since. The position peaked at $53.3M in Q2 2025. 703 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

  • Adage Capital Partners held 453,741 shares of Astera Labs worth $49.7M as of Q1 2026.
  • Adage Capital Partners bought 285,000 Astera Labs shares in Q1 2026, an estimated $40.6M.
  • Astera Labs made up 0.08% of Adage Capital Partners's portfolio in Q1 2026, its #250 holding.
  • Adage Capital Partners first reported a position in Astera Labs in Q1 2024 and has held it in 9 quarters since.
  • Adage Capital Partners's Astera Labs position peaked at $53.3M in Q2 2025.
  • 703 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

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