Massachusetts Financial Services
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Massachusetts Financial Services’s KLA KLAC Stock Holding History

Massachusetts Financial Services’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 		$2.44B Sell
16,416,350
-984,470
-6% -$144M 0.82% 27
2025
Q4 		$2.11B Sell
17,400,820
-1,396,350
-7% -$164M 0.68% 30
2025
Q3 		$2.03B Sell
18,797,170
-101,520
-0.5% -$9.47M 0.63% 37
2025
Q2 		$1.69B Buy
18,898,690
+1,901,800
+11% +$143M 0.54% 50
2025
Q1 		$1.16B Sell
16,996,890
-3,500,720
-17% -$252M 0.38% 75
2024
Q4 		$1.29B Sell
20,497,610
-5,548,750
-21% -$375M 0.41% 70
2024
Q3 		$2.02B Sell
26,046,360
-2,071,300
-7% -$163M 0.6% 42
2024
Q2 		$2.32B Buy
28,117,660
+281,720
+1% +$20.8M 0.71% 27
2024
Q1 		$1.94B Sell
27,835,940
-5,712,990
-17% -$367M 0.58% 43
2023
Q4 		$1.95B Buy
33,548,930
+61,640
+0.2% +$3.21M 0.63% 39
2023
Q3 		$1.54B Sell
33,487,290
-765,840
-2% -$36.7M 0.54% 53
2023
Q2 		$1.66B Buy
34,253,130
+1,439,910
+4% +$60.2M 0.55% 52
2023
Q1 		$1.31B Buy
32,813,220
+5,064,990
+18% +$200M 0.45% 66
2022
Q4 		$1.05B Sell
27,748,230
-587,300
-2% -$20.5M 0.37% 82
2022
Q3 		$858M Buy
28,335,530
+12,766,530
+82% +$442M 0.32% 84
2022
Q2 		$497M Buy
15,569,000
+14,301,400
+1,128% +$481M 0.17% 142
2022
Q1 		$46.4M Buy
1,267,600
+75,510
+6% +$2.82M 0.01% 493
2021
Q4 		$51.3M Sell
1,192,090
-35,570
-3% -$1.37M 0.01% 493
2021
Q3 		$41.1M Sell
1,227,660
-226,140
-16% -$7.55M 0.01% 535
2021
Q2 		$47.1M Sell
1,453,800
-8,970
-0.6% -$287K 0.01% 516
2021
Q1 		$48.3M Sell
1,462,770
-15,040
-1% -$453K 0.01% 502
2020
Q4 		$38.3M Sell
1,477,810
-39,010
-3% -$909K 0.01% 516
2020
Q3 		$29.4M Buy
1,516,820
+193,800
+15% +$3.83M 0.01% 514
2020
Q2 		$25.7M Buy
+1,323,020
New +$22.6M 0.01% 520
2017
Q1 		– Sell
-620,960
Closed -$4.89M – 864
2016
Q4 		$4.89M Sell
620,960
-12,200
-2% -$93.2K ﹤0.01% 669
2016
Q3 		$4.41M Hold
633,160
– – ﹤0.01% 664
2016
Q2 		$4.64M Hold
633,160
– – ﹤0.01% 648
2016
Q1 		$4.61M Sell
633,160
-7,950
-1% -$53.5K ﹤0.01% 649
2015
Q4 		$4.45M Sell
641,110
-15,200
-2% -$97.3K ﹤0.01% 664
2015
Q3 		$3.28M Sell
656,310
-6,600
-1% -$33.9K ﹤0.01% 695
2015
Q2 		$3.73M Sell
662,910
-19,180
-3% -$112K ﹤0.01% 700
2015
Q1 		$3.98M Buy
682,090
+3,230
+0.5% +$20.7K ﹤0.01% 699
2014
Q4 		$4.77M Sell
678,860
-1,490
-0.2% -$11K ﹤0.01% 677
2014
Q3 		$5.36M Sell
680,350
-402,250
-37% -$3.04M ﹤0.01% 658
2014
Q2 		$7.86M Sell
1,082,600
-11,500
-1% -$76.3K ﹤0.01% 629
2014
Q1 		$7.56M Sell
1,094,100
-1,283,700
-54% -$8.3M ﹤0.01% 600
2013
Q4 		$15.3M Sell
2,377,800
-21,300
-0.9% -$134K 0.01% 505
2013
Q3 		$14.6M Buy
2,399,100
+2,184,300
+1,017% +$12.8M 0.01% 512
2013
Q2 		$1.2M Buy
+214,800
New +$1.17M ﹤0.01% 693

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

Massachusetts Financial Services's KLAC Position: Q1 2026 in Review

Massachusetts Financial Services reduced its KLA (KLAC) stake by 5.7% in Q1 2026, selling an estimated $144M and leaving 16,416,350 shares worth $2.44B. The position accounts for 0.82% of the portfolio, ranked #27.

Massachusetts Financial Services first reported a position in KLAC in Q2 2013 and has held it in 39 quarters since. 2,063 funds tracked by Wall St. Rank hold KLAC as of Q1 2026.

  • Massachusetts Financial Services held 16,416,350 shares of KLA worth $2.44B as of Q1 2026.
  • Massachusetts Financial Services sold 984,470 KLA shares in Q1 2026, an estimated $144M.
  • KLA made up 0.82% of Massachusetts Financial Services's portfolio in Q1 2026, its #27 holding.
  • Massachusetts Financial Services first reported a position in KLA in Q2 2013 and has held it in 39 quarters since.
  • 2,063 funds tracked by Wall St. Rank held KLA as of Q1 2026.

Based on Massachusetts Financial Services's 13F filing for Q1 2026, filed 14 May 2026.