Westfield Capital Management
ALAB icon

Westfield Capital Management’s Astera Labs ALAB Stock Holding History

Westfield 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
Q2 		$120M Sell
249,299
-610,814
-71% -$162M 0.39% 69
2026
Q1 		$94.3M Buy
860,113
+664,819
+340% +$94.7M 0.4% 80
2025
Q4 		$32.5M Buy
195,294
+2,680
+1% +$448K 0.14% 170
2025
Q3 		$37.7M Buy
+192,614
New +$31.7M 0.16% 171
2025
Q2 		– Sell
-467,080
Closed -$27.9M – 281
2025
Q1 		$27.9M Buy
+467,080
New +$43.2M 0.14% 163
2024
Q4 		– Sell
-993,482
Closed -$52M – 278
2024
Q3 		$52M Buy
+993,482
New +$46.6M 0.24% 133

Other funds holding ALAB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Westfield Capital Management's ALAB Position: Q2 2026 in Review

Westfield Capital Management reduced its Astera Labs (ALAB) stake by 71% in Q2 2026, selling an estimated $162M and leaving 249,299 shares worth $120M. The position accounts for 0.39% of the portfolio, ranked #69.

Westfield Capital Management first reported a position in ALAB in Q3 2024 and has held it in 6 quarters since. 982 funds tracked by Wall St. Rank hold ALAB as of Q2 2026.

  • Westfield Capital Management held 249,299 shares of Astera Labs worth $120M as of Q2 2026.
  • Westfield Capital Management sold 610,814 Astera Labs shares in Q2 2026, an estimated $162M.
  • Astera Labs made up 0.39% of Westfield Capital Management's portfolio in Q2 2026, its #69 holding.
  • Westfield Capital Management first reported a position in Astera Labs in Q3 2024 and has held it in 6 quarters since.
  • 982 funds tracked by Wall St. Rank held Astera Labs as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.