Calamos Advisors
KLAC icon

Calamos Advisors’s KLA KLAC Stock Holding History

Calamos Advisors’s Portfolio KLAC Stock Details KLAC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2014
Q1 		– Sell
-16,000
Closed -$1.51M – 646
2013
Q4 		$1.51M Hold
16,000
– – 0.01% 463
2013
Q3 		$1.1M Hold
16,000
– – 0.01% 470
2013
Q2 		$752K Buy
+16,000
New +$87.3K ﹤0.01% 482

Other funds holding KLAC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Calamos Advisors's KLAC Position: Q1 2026 in Review

Calamos Advisors opened a new position in KLA (KLAC) in Q1 2026: 20,020 shares worth $2.95M. The stake represents 0.01% of the portfolio and ranks #627 among its holdings. This is a return to the name: Calamos Advisors previously reported a position in KLAC as recently as Q3 2024.

Calamos Advisors first reported a position in KLAC in Q1 2014 and has held it in 14 quarters since. The position peaked at $7.62M in Q3 2024. 2,063 funds tracked by Wall St. Rank hold KLAC as of Q1 2026.

  • Calamos Advisors held 20,020 shares of KLA worth $2.95M as of Q1 2026.
  • KLA was a new Calamos Advisors position in Q1 2026.
  • KLA made up 0.01% of Calamos Advisors's portfolio in Q1 2026, its #627 holding.
  • Calamos Advisors first reported a position in KLA in Q1 2014 and has held it in 14 quarters since.
  • Calamos Advisors's KLA position peaked at $7.62M in Q3 2024.
  • 2,063 funds tracked by Wall St. Rank held KLA as of Q1 2026.

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