Parallax Volatility Advisers’s KLA KLAC Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.96M | Buy |
13,300
+490
| +4% | +$71.7K | 0.01% | 790 |
|
|
2025
Q4 | $1.56M | Sell |
12,810
-910
| -7% | -$107K | ﹤0.01% | 1009 |
|
|
2025
Q3 | $1.48M | Buy |
+13,720
| New | +$1.28M | ﹤0.01% | 1016 |
|
|
2025
Q2 | – | Sell |
-103,760
| Closed | -$7.81M | – | 1695 |
|
|
2025
Q1 | $7.05M | Buy |
+103,760
| New | +$7.47M | 0.02% | 527 |
|
|
2024
Q3 | – | Sell |
-4,730
| Closed | -$371K | – | 2145 |
|
|
2024
Q2 | $390K | Sell |
4,730
-280
| -6% | -$20.7K | ﹤0.01% | 1485 |
|
|
2024
Q1 | $350K | Sell |
5,010
-14,790
| -75% | -$950K | ﹤0.01% | 1475 |
|
|
2023
Q4 | $1.15M | Sell |
19,800
-413,240
| -95% | -$21.5M | ﹤0.01% | 1362 |
|
|
2023
Q3 | $19.9M | Buy |
433,040
+27,810
| +7% | +$1.33M | 0.04% | 340 |
|
|
2023
Q2 | $19.7M | Buy |
405,230
+39,940
| +11% | +$1.67M | 0.04% | 349 |
|
|
2023
Q1 | $14.6M | Buy |
365,290
+105,300
| +41% | +$4.15M | 0.03% | 454 |
|
|
2022
Q4 | $9.8M | Buy |
259,990
+259,250
| +35,034% | +$9.04M | 0.02% | 777 |
|
|
2022
Q3 | $22K | Buy |
740
+600
| +429% | +$20.8K | ﹤0.01% | 2731 |
|
|
2022
Q2 | $4K | Hold |
140
| – | – | ﹤0.01% | 2736 |
|
|
2022
Q1 | $5K | Sell |
140
-91,330
| -100% | -$3.42M | ﹤0.01% | 2711 |
|
|
2021
Q4 | $3.93M | Sell |
91,470
-253,340
| -73% | -$9.78M | ﹤0.01% | 854 |
|
|
2021
Q3 | $11.5M | Sell |
344,810
-164,670
| -32% | -$5.5M | 0.01% | 599 |
|
|
2021
Q2 | $16.5M | Buy |
+509,480
| New | +$16.3M | 0.02% | 405 |
|
|
2021
Q1 | – | Sell |
-248,860
| Closed | -$6.44M | – | 1727 |
|
|
2020
Q4 | $6.44M | Sell |
248,860
-380,850
| -60% | -$8.88M | 0.01% | 856 |
|
|
2020
Q3 | $12.2M | Buy |
629,710
+360,160
| +134% | +$7.12M | 0.01% | 911 |
|
|
2020
Q2 | $5.24M | Sell |
269,550
-72,660
| -21% | -$1.24M | 0.01% | 1058 |
|
|
2020
Q1 | $4.92M | Buy |
342,210
+62,720
| +22% | +$1.01M | 0.01% | 871 |
|
|
2019
Q4 | $4.98M | Buy |
279,490
+217,580
| +351% | +$3.65M | 0.01% | 908 |
|
|
2019
Q3 | $987K | Buy |
61,910
+60,930
| +6,217% | +$852K | ﹤0.01% | 1379 |
|
|
2019
Q2 | $12K | Sell |
980
-60
| -6% | -$694 | ﹤0.01% | 2144 |
|
|
2019
Q1 | $12K | Sell |
1,040
-3,880
| -79% | -$41.7K | ﹤0.01% | 2533 |
|
|
2018
Q4 | $44K | Buy |
4,920
+90
| +2% | +$838 | ﹤0.01% | 2196 |
|
|
2018
Q3 | $49K | Sell |
4,830
-390
| -7% | -$4.26K | ﹤0.01% | 1895 |
|
|
2018
Q2 | $54K | Buy |
5,220
+350
| +7% | +$3.81K | ﹤0.01% | 1558 |
|
|
2018
Q1 | $53K | Sell |
4,870
-40,440
| -89% | -$450K | ﹤0.01% | 1523 |
|
|
2017
Q4 | $476K | Buy |
45,310
+45,180
| +34,754% | +$476K | ﹤0.01% | 1566 |
|
|
2017
Q3 | $1K | Buy |
+130
| New | +$1.24K | ﹤0.01% | 1984 |
|
|
2015
Q3 | – | Sell |
-7,750
| Closed | -$39.8K | – | 3579 |
|
|
2015
Q2 | $44K | Sell |
7,750
-28,230
| -78% | -$165K | ﹤0.01% | 2592 |
|
|
2015
Q1 | $210K | Sell |
35,980
-32,720
| -48% | -$209K | ﹤0.01% | 2051 |
|
|
2014
Q4 | $483K | Buy |
68,700
+25,990
| +61% | +$192K | ﹤0.01% | 2082 |
|
|
2014
Q3 | $336K | Sell |
42,710
-632,120
| -94% | -$4.77M | ﹤0.01% | 2113 |
|
|
2014
Q2 | $4.9M | Buy |
674,830
+673,570
| +53,458% | +$4.47M | 0.02% | 490 |
|
|
2014
Q1 | $9K | Sell |
1,260
-12,160
| -91% | -$78.7K | ﹤0.01% | 3077 |
|
|
2013
Q4 | $87K | Buy |
13,420
+2,000
| +18% | +$12.6K | ﹤0.01% | 1915 |
|
|
2013
Q3 | $69K | Sell |
11,420
-28,610
| -71% | -$168K | ﹤0.01% | 1642 |
|
|
2013
Q2 | $223K | Buy |
+40,030
| New | +$219K | ﹤0.01% | 1002 |
|
Other funds holding KLAC
VCM
VPM
Parallax Volatility Advisers's KLAC Position: Q1 2026 in Review
Parallax Volatility Advisers increased its KLA (KLAC) stake by 3.8% in Q1 2026, buying an estimated $71.7K and bringing the position to 13,300 shares worth $1.96M. The position accounts for 0.01% of the portfolio, ranked #790.
Parallax Volatility Advisers first reported a position in KLAC in Q2 2013 and has held it in 40 quarters since. The position peaked at $19.9M in Q3 2023. 2,063 funds tracked by Wall St. Rank hold KLAC as of Q1 2026.
- Parallax Volatility Advisers held 13,300 shares of KLA worth $1.96M as of Q1 2026.
- Parallax Volatility Advisers bought 490 KLA shares in Q1 2026, an estimated $71.7K.
- KLA made up 0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #790 holding.
- Parallax Volatility Advisers first reported a position in KLA in Q2 2013 and has held it in 40 quarters since.
- Parallax Volatility Advisers's KLA position peaked at $19.9M in Q3 2023.
- 2,063 funds tracked by Wall St. Rank held KLA as of Q1 2026.
Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.