Group One Trading’s KLA KLAC Stock Holding History

Group One Trading’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 Q1	$6.48M	Sell	44,000 -104,000	-70%	-$15.2M	0.01%	1114
2025 Q4	$18M	Buy	148,000 +55,000	+59%	+$6.45M	0.03%	607
2025 Q3	$10M	Buy	93,000 +48,000	+107%	+$4.48M	0.02%	897
2025 Q2	$4.03M	Sell	45,000 -13,000	-22%	-$978K	0.01%	1494
2025 Q1	$3.94M	Sell	58,000 -40,000	-41%	-$2.88M	0.01%	1265
2024 Q4	$6.18M	Hold	98,000	–	–	0.01%	1010
2024 Q3	$7.59M	Hold	98,000	–	–	0.02%	744
2024 Q2	$8.08M	Sell	98,000 -54,000	-36%	-$3.99M	0.03%	549
2024 Q1	$10.6M	Sell	152,000 -27,000	-15%	-$1.73M	0.04%	415
2023 Q4	$10.4M	Buy	179,000 +30,000	+20%	+$1.56M	0.03%	678
2023 Q3	$6.83M	Sell	149,000 -136,000	-48%	-$6.52M	0.02%	735
2023 Q2	$13.8M	Buy	285,000 +167,000	+142%	+$6.98M	0.04%	370
2023 Q1	$4.71M	Sell	118,000 -41,000	-26%	-$1.62M	0.02%	871
2022 Q4	$5.99M	Buy	159,000 +66,000	+71%	+$2.3M	0.01%	1035
2022 Q3	$2.81M	Buy	93,000 +55,000	+145%	+$1.9M	0.01%	1623
2022 Q2	$1.21M	Sell	38,000 -40,000	-51%	-$1.34M	﹤0.01%	2558
2022 Q1	$2.85M	Sell	78,000 -37,000	-32%	-$1.38M	﹤0.01%	2040
2021 Q4	$4.95M	Sell	115,000 -37,000	-24%	-$1.43M	﹤0.01%	1705
2021 Q3	$5.08M	Buy	152,000 +62,000	+69%	+$2.07M	0.01%	1668
2021 Q2	$2.92M	Buy	90,000 +7,000	+8%	+$224K	﹤0.01%	2246
2021 Q1	$2.74M	Sell	83,000 -79,000	-49%	-$2.38M	﹤0.01%	2117
2020 Q4	$4.19M	Buy	162,000 +158,000	+3,950%	+$3.68M	0.01%	1412
2020 Q3	$78K	Hold	4,000	–	–	﹤0.01%	4365
2020 Q2	$78K	Sell	4,000 -1,000	-20%	-$17.1K	﹤0.01%	4087
2020 Q1	$72K	Sell	5,000 -29,000	-85%	-$467K	﹤0.01%	3514
2019 Q4	$606K	Hold	34,000	–	–	﹤0.01%	2281
2019 Q3	$542K	Buy	34,000 +3,000	+10%	+$41.9K	﹤0.01%	2267
2019 Q2	$366K	Buy	31,000 +1,000	+3%	+$11.6K	﹤0.01%	2417
2019 Q1	$358K	Buy	+30,000	New	+$323K	﹤0.01%	2222
2016 Q4	–	Sell	-54,000	Closed	-$376K	–	4623
2016 Q3	$376K	Buy	54,000 +53,000	+5,300%	+$382K	﹤0.01%	2023
2016 Q2	$7K	Sell	1,000 -7,000	-88%	-$50.2K	﹤0.01%	4185
2016 Q1	$58K	Sell	8,000 -112,000	-93%	-$753K	﹤0.01%	3177
2015 Q4	$832K	Buy	+120,000	New	+$768K	0.01%	1431
2014 Q1	–	Sell	-14,000	Closed	-$90K	–	5389
2013 Q4	$90K	Sell	14,000 -66,000	-83%	-$416K	﹤0.01%	3131
2013 Q3	$487K	Buy	80,000 +30,000	+60%	+$176K	0.01%	1628
2013 Q2	$279K	Buy	+50,000	New	+$273K	0.01%	1856

Other funds holding KLAC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Group One Trading's KLAC Position: Q1 2026 in Review

Group One Trading reduced its KLA (KLAC) stake by 7% in Q1 2026, selling an estimated $189K and leaving 17,130 shares worth $2.52M. The position accounts for ﹤0.01% of the portfolio, ranked #1872.

Group One Trading first reported a position in KLAC in Q1 2016 and has held it in 11 quarters since. The position peaked at $4.34M in Q4 2021. 2,063 funds tracked by Wall St. Rank hold KLAC as of Q1 2026.

Group One Trading held 17,130 shares of KLA worth $2.52M as of Q1 2026.
Group One Trading sold 1,290 KLA shares in Q1 2026, an estimated $189K.
KLA made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #1872 holding.
Group One Trading first reported a position in KLA in Q1 2016 and has held it in 11 quarters since.
Group One Trading's KLA position peaked at $4.34M in Q4 2021.
2,063 funds tracked by Wall St. Rank held KLA as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.