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Brad Gerstner’s Astera Labs ALAB Stock Holding History

Brad Gerstner’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
Q2 		– Sell
-981,697
Closed -$58.6M – 22
2025
Q1 		$58.6M Buy
981,697
+397,267
+68% +$36.7M 1.18% 16
2024
Q4 		$77.4M Buy
584,430
+184,430
+46% +$17.3M 1.4% 17
2024
Q3 		$21M Hold
400,000
– – 0.31% 22
2024
Q2 		$24.2M Hold
400,000
– – 0.36% 17
2024
Q1 		$29.7M Buy
+400,000
New +$29.6M 0.46% 14

Other funds holding ALAB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $34.9B AUM 72.7% 1-Year Est. Return
FAM
Fred Alger Management New York $30B AUM 76.99% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
1832 Asset Management
1832 Asset Management Toronto, Ontario, Canada $199B AUM 37.98% 1-Year Est. Return

Brad Gerstner's ALAB Position: Q2 2025 in Review

Brad Gerstner sold out of Astera Labs (ALAB) in Q2 2025, closing a stake of 981,697 shares — an estimated $58.6M sold.

Brad Gerstner first reported a position in ALAB in Q1 2024 and held it in 5 quarters. The position peaked at $77.4M in Q4 2024. 514 funds tracked by Wall St. Rank hold ALAB as of Q2 2025.

  • Brad Gerstner reported no remaining Astera Labs position as of Q2 2025 after selling out during the quarter.
  • Brad Gerstner sold 981,697 Astera Labs shares in Q2 2025, an estimated $58.6M.
  • Brad Gerstner first reported a position in Astera Labs in Q1 2024 and held it in 5 quarters.
  • Brad Gerstner's Astera Labs position peaked at $77.4M in Q4 2024.
  • 514 funds tracked by Wall St. Rank held Astera Labs as of Q2 2025.

Based on Altimeter Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.