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PDT Partners’s KLA KLAC Stock Holding History

PDT Partners’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
2025
Q4 		– Sell
-11,000
Closed -$1.19M – 607
2025
Q3 		$1.19M Sell
11,000
-2,660
-19% -$248K 0.07% 333
2025
Q2 		$1.22M Sell
13,660
-7,070
-34% -$532K 0.07% 386
2025
Q1 		$1.41M Sell
20,730
-18,280
-47% -$1.32M 0.1% 328
2024
Q4 		$2.46M Buy
39,010
+11,000
+39% +$743K 0.22% 158
2024
Q3 		$2.17M Buy
28,010
+10
+0% +$785 0.19% 186
2024
Q2 		$2.31M Sell
28,000
-23,000
-45% -$1.7M 0.22% 168
2024
Q1 		$3.56M Sell
51,000
-4,000
-7% -$257K 0.34% 81
2023
Q4 		$3.2M Buy
55,000
+13,000
+31% +$677K 0.35% 71
2023
Q3 		$1.93M Sell
42,000
-10
-0% -$480 0.24% 137
2023
Q2 		$2.04M Buy
42,010
+25,970
+162% +$1.09M 0.28% 117
2023
Q1 		$640K Buy
+16,040
New +$632K 0.09% 346
2022
Q2 		– Sell
-8,000
Closed -$293K – 1060
2022
Q1 		$293K Sell
8,000
-14,000
-64% -$524K 0.03% 726
2021
Q4 		$946K Buy
+22,000
New +$849K 0.07% 372
2021
Q2 		– Sell
-26,020
Closed -$860K – 889
2021
Q1 		$860K Buy
+26,020
New +$784K 0.06% 396
2018
Q3 		– Sell
-2,572,000
Closed -$26.4M – 507
2018
Q2 		$26.4M Sell
2,572,000
-205,850
-7% -$2.24M 1% 20
2018
Q1 		$30.3M Sell
2,777,850
-88,150
-3% -$981K 1.02% 8
2017
Q4 		$30.1M Buy
2,866,000
+509,780
+22% +$5.37M 0.87% 21
2017
Q3 		$25M Buy
2,356,220
+220
+0% +$2.1K 0.83% 19
2017
Q2 		$21.6M Buy
+2,356,000
New +$23.5M 0.87% 31
2015
Q2 		– Sell
-205,140
Closed -$1.2M – 1489
2015
Q1 		$1.2M Buy
+205,140
New +$1.31M 0.03% 713

Other funds holding KLAC

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

PDT Partners's KLAC Position: Q4 2025 in Review

PDT Partners sold out of KLA (KLAC) in Q4 2025, closing a stake of 11,000 shares — an estimated $1.19M sold.

PDT Partners first reported a position in KLAC in Q1 2015 and held it in 20 quarters. The position peaked at $30.3M in Q1 2018. 1,913 funds tracked by Wall St. Rank hold KLAC as of Q4 2025.

  • PDT Partners reported no remaining KLA position as of Q4 2025 after selling out during the quarter.
  • PDT Partners sold 11,000 KLA shares in Q4 2025, an estimated $1.19M.
  • PDT Partners first reported a position in KLA in Q1 2015 and held it in 20 quarters.
  • PDT Partners's KLA position peaked at $30.3M in Q1 2018.
  • 1,913 funds tracked by Wall St. Rank held KLA as of Q4 2025.

Based on PDT Partners's 13F filing for Q4 2025, filed 17 Feb 2026.