Calamos Advisors
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Calamos Advisors’s Astera Labs ALAB Stock Holding History

Calamos Advisors’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 		$773K Buy
+1,600
New +$425K ﹤0.01% 787
2025
Q4 		– Sell
-9,236
Closed -$1.81M – 1010
2025
Q3 		$1.81M Buy
+9,236
New +$1.52M 0.01% 635
2025
Q1 		– Sell
-12,785
Closed -$1.69M – 989
2024
Q4 		$1.69M Buy
+12,785
New +$1.2M 0.01% 625

Other funds holding ALAB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
CIA
Capital Impact Advisors Boston, Massachusetts $1.78B AUM 56.11% 1-Year Est. Return
VAM
Valliance Asset Management Central, Hong Kong $864M AUM 906.77% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Mirae Asset Global Investments
Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return
ACI
Amazon.com Inc Seattle, Washington $4.42B AUM 22.6% 1-Year Est. Return

Calamos Advisors's ALAB Position: Q2 2026 in Review

Calamos Advisors opened a new position in Astera Labs (ALAB) in Q2 2026: 1,600 shares worth $773K. The stake represents ﹤0.01% of the portfolio and ranks #787 among its holdings. This is a return to the name: Calamos Advisors previously reported a position in ALAB as recently as Q3 2025.

Calamos Advisors first reported a position in ALAB in Q4 2024 and has held it in 3 quarters since. The position peaked at $1.81M in Q3 2025. 499 funds tracked by Wall St. Rank hold ALAB as of Q2 2026.

  • Calamos Advisors held 1,600 shares of Astera Labs worth $773K as of Q2 2026.
  • Astera Labs was a new Calamos Advisors position in Q2 2026.
  • Astera Labs made up ﹤0.01% of Calamos Advisors's portfolio in Q2 2026, its #787 holding.
  • Calamos Advisors first reported a position in Astera Labs in Q4 2024 and has held it in 3 quarters since.
  • Calamos Advisors's Astera Labs position peaked at $1.81M in Q3 2025.
  • 499 funds tracked by Wall St. Rank held Astera Labs as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.