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
2026 Q2	–	Sell	-20,020	Closed	-$2.95M	–	1132
2026 Q1	$2.95M	Buy	+20,020	New	+$2.93M	0.01%	627
2024 Q4	–	Sell	-98,340	Closed	-$7.62M	–	934
2024 Q3	$7.62M	Buy	+98,340	New	+$7.72M	0.03%	470
2020 Q2	–	Sell	-25,000	Closed	-$359K	–	752
2020 Q1	$359K	Buy	25,000 +12,000	+92%	+$193K	﹤0.01%	657
2019 Q4	$232K	Hold	13,000	–	–	﹤0.01%	748
2019 Q3	$207K	Buy	+13,000	New	+$182K	﹤0.01%	737
2017 Q1	–	Sell	-44,750	Closed	-$352K	–	643
2016 Q4	$352K	Buy	+44,750	New	+$342K	﹤0.01%	584
2016 Q1	–	Sell	-127,630	Closed	-$885K	–	644
2015 Q4	$885K	Sell	127,630 -153,350	-55%	-$981K	0.01%	539
2015 Q3	$1.41M	Buy	280,980 +100	+0%	+$514	0.01%	511
2015 Q2	$1.58M	Sell	280,880 -15,840	-5%	-$92.6K	0.01%	517
2015 Q1	$1.73M	Buy	296,720 +180	+0.1%	+$1.15K	0.01%	511
2014 Q4	$2.08M	Buy	296,540 +1,540	+0.5%	+$11.4K	0.01%	473
2014 Q3	$2.32M	Hold	295,000	–	–	0.02%	428
2014 Q2	$2.14M	Hold	295,000	–	–	0.01%	450
2014 Q1	$2.04M	Buy	+295,000	New	+$1.91M	0.01%	443

Other funds holding KLAC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Calamos Advisors's KLAC Position: Q2 2026 in Review

Calamos Advisors sold out of KLA (KLAC) in Q2 2026, closing a stake of 20,020 shares — an estimated $2.95M sold.

Calamos Advisors first reported a position in KLAC in Q1 2014 and held it in 14 quarters. The position peaked at $7.62M in Q3 2024. 2,486 funds tracked by Wall St. Rank hold KLAC as of Q2 2026.

Calamos Advisors reported no remaining KLA position as of Q2 2026 after selling out during the quarter.
Calamos Advisors sold 20,020 KLA shares in Q2 2026, an estimated $2.95M.
Calamos Advisors first reported a position in KLA in Q1 2014 and held it in 14 quarters.
Calamos Advisors's KLA position peaked at $7.62M in Q3 2024.
2,486 funds tracked by Wall St. Rank held KLA as of Q2 2026.

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