Calamos Advisors
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Calamos Advisors’s Landstar System LSTR Stock Holding History

Calamos Advisors’s Portfolio LSTR Stock Details LSTR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$320K Buy
+1,997
New +$306K ﹤0.01% 977
2020
Q4 		– Sell
-23,279
Closed -$2.92M – 752
2020
Q3 		$2.92M Buy
+23,279
New +$2.93M 0.02% 544
2020
Q2 		– Sell
-11,345
Closed -$1.09M – 755
2020
Q1 		$1.09M Buy
+11,345
New +$1.21M 0.01% 590

Other funds holding LSTR

Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Calamos Advisors's LSTR Position: Q1 2026 in Review

Calamos Advisors opened a new position in Landstar System (LSTR) in Q1 2026: 1,997 shares worth $320K. The stake represents ﹤0.01% of the portfolio and ranks #977 among its holdings. This is a return to the name: Calamos Advisors previously reported a position in LSTR as recently as Q3 2020.

Calamos Advisors first reported a position in LSTR in Q1 2020 and has held it in 3 quarters since. The position peaked at $2.92M in Q3 2020. 478 funds tracked by Wall St. Rank hold LSTR as of Q1 2026.

  • Calamos Advisors held 1,997 shares of Landstar System worth $320K as of Q1 2026.
  • Landstar System was a new Calamos Advisors position in Q1 2026.
  • Landstar System made up ﹤0.01% of Calamos Advisors's portfolio in Q1 2026, its #977 holding.
  • Calamos Advisors first reported a position in Landstar System in Q1 2020 and has held it in 3 quarters since.
  • Calamos Advisors's Landstar System position peaked at $2.92M in Q3 2020.
  • 478 funds tracked by Wall St. Rank held Landstar System as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.