Massachusetts Financial Services
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Massachusetts Financial Services’s Astera Labs ALAB Stock Holding History

Massachusetts Financial Services’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 		$101M Buy
+208,919
New +$55.4M 0.03% 389
2025
Q4 		– Sell
-1,507,675
Closed -$295M – 956
2025
Q3 		$295M Buy
1,507,675
+479,360
+47% +$78.8M 0.09% 211
2025
Q2 		$93M Buy
+1,028,315
New +$81.2M 0.03% 388
2025
Q1 		– Sell
-1,674,000
Closed -$222M – 927
2024
Q4 		$222M Buy
1,674,000
+1,351,007
+418% +$127M 0.07% 256
2024
Q3 		$16.9M Buy
322,993
+231,585
+253% +$10.9M 0.01% 608
2024
Q2 		$5.53M Buy
91,408
+2,343
+3% +$163K ﹤0.01% 676
2024
Q1 		$6.61M Buy
+89,065
New +$6.6M ﹤0.01% 651

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

Massachusetts Financial Services's ALAB Position: Q2 2026 in Review

Massachusetts Financial Services opened a new position in Astera Labs (ALAB) in Q2 2026: 208,919 shares worth $101M. The stake represents 0.03% of the portfolio and ranks #389 among its holdings. This is a return to the name: Massachusetts Financial Services previously reported a position in ALAB as recently as Q3 2025.

Massachusetts Financial Services first reported a position in ALAB in Q1 2024 and has held it in 7 quarters since. The position peaked at $295M in Q3 2025. 988 funds tracked by Wall St. Rank hold ALAB as of Q2 2026.

  • Massachusetts Financial Services held 208,919 shares of Astera Labs worth $101M as of Q2 2026.
  • Astera Labs was a new Massachusetts Financial Services position in Q2 2026.
  • Astera Labs made up 0.03% of Massachusetts Financial Services's portfolio in Q2 2026, its #389 holding.
  • Massachusetts Financial Services first reported a position in Astera Labs in Q1 2024 and has held it in 7 quarters since.
  • Massachusetts Financial Services's Astera Labs position peaked at $295M in Q3 2025.
  • 988 funds tracked by Wall St. Rank held Astera Labs as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.