| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RWWM, Inc. | 24.3% | +5.7% | $141,412,370 | +$7,679,883 | 334,902 | +5.74% | RWWM, Inc. | 30 Jun 2025 |
| VANGUARD GROUP INC | 7.27% | $42,327,607 | 100,243 | The Vanguard Group | 30 Jun 2025 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price | Investors |
|---|---|---|---|---|---|
| 2025 Q3 | 1,028,475 | $478,400,935 | +$29,065,085 | $465.14 | 108 |
| 2025 Q2 | 946,701 | $399,745,021 | +$17,619,324 | $422.25 | 98 |
| 2025 Q1 | 902,338 | $359,104,769 | +$19,945,247 | $397.70 | 93 |
| 2024 Q4 | 846,329 | $480,710,016 | +$7,980,171 | $567.99 | 94 |
| 2024 Q3 | 831,842 | $407,684,144 | +$30,620,251 | $490.10 | 81 |
| 2024 Q2 | 766,044 | $302,157,534 | +$18,438,135 | $394.48 | 69 |
| 2024 Q1 | 719,705 | $260,250,476 | +$6,720,764 | $361.61 | 67 |
| 2023 Q4 | 701,304 | $238,997,016 | +$13,497,166 | $340.82 | 63 |
| 2023 Q3 | 662,246 | $194,700,300 | +$5,695,107 | $294.00 | 56 |
| 2023 Q2 | 642,725 | $185,926,107 | +$3,172,788 | $289.28 | 55 |
| 2023 Q1 | 632,116 | $180,127,153 | +$1,510,693 | $284.96 | 54 |
| 2022 Q4 | 626,607 | $156,974,630 | +$5,613,900 | $250.51 | 54 |
| 2022 Q3 | 609,120 | $156,172,695 | +$5,806,602 | $256.39 | 48 |
| 2022 Q2 | 586,207 | $151,641,084 | +$8,694,096 | $258.78 | 50 |
| 2022 Q1 | 551,391 | $171,988,191 | -$3,924,116 | $311.99 | 54 |
| 2021 Q4 | 563,107 | $200,923,731 | +$1,581,636 | $356.73 | 62 |
| 2021 Q3 | 557,885 | $178,740,602 | +$246,731 | $320.37 | 55 |
| 2021 Q2 | 556,672 | $188,437,092 | +$2,150,916 | $338.51 | 61 |
| 2021 Q1 | 551,961 | $174,607,029 | +$4,792,763 | $316.44 | 60 |
| 2020 Q4 | 535,646 | $216,389,200 | +$2,919,754 | $404.00 | 57 |
| 2020 Q3 | 529,098 | $128,058,134 | -$4,447,685 | $242.00 | 51 |
| 2020 Q2 | 547,997 | $147,957,390 | -$1,817,902 | $270.00 | 56 |
| 2020 Q1 | 555,280 | $126,751,500 | -$2,411,749 | $228.28 | 51 |
| 2019 Q4 | 564,017 | $163,798,612 | +$702,180 | $290.42 | 53 |
| 2019 Q3 | 562,261 | $139,196,291 | +$14,469,237 | $247.56 | 47 |
| 2019 Q2 | 545,202 | $129,817,742 | +$2,577,054 | $238.00 | 46 |
| 2019 Q1 | 539,179 | $115,440,408 | -$1,099,864 | $214.11 | 45 |
| 2018 Q4 | 543,014 | $127,065,166 | +$1,180,691 | $234.00 | 47 |
| 2018 Q3 | 537,938 | $129,643,906 | +$606,201 | $241.00 | 49 |
| 2018 Q2 | 535,468 | $123,710,582 | +$1,438,346 | $230.20 | 46 |
| 2018 Q1 | 529,475 | $120,979,030 | -$799,872 | $228.49 | 45 |
| 2017 Q4 | 532,973 | $122,770,570 | +$2,461,905 | $230.22 | 47 |
| 2017 Q3 | 520,583 | $113,807,922 | +$886,000 | $218.62 | 41 |
| 2017 Q2 | 516,560 | $104,981,887 | +$2,094,525 | $205.86 | 42 |
| 2017 Q1 | 506,079 | $108,441,643 | +$11,344,461 | $214.29 | 42 |
| 2016 Q4 | 505,248 | $122,168,352 | +$3,451,121 | $241.81 | 46 |
| 2016 Q3 | 491,511 | $107,640,023 | +$2,000,912 | $219.00 | 42 |
| 2016 Q2 | 483,234 | $114,522,339 | +$388,422 | $236.98 | 48 |
| 2016 Q1 | 480,417 | $94,018,939 | +$1,138,580 | $195.69 | 40 |
| 2015 Q4 | 474,568 | $95,861,068 | +$2,873,847 | $202.00 | 38 |
| 2015 Q3 | 480,710 | $89,510,136 | +$1,768,633 | $186.20 | 41 |
| 2015 Q2 | 471,138 | $92,584,273 | +$1,797,516 | $196.52 | 40 |
| 2015 Q1 | 462,030 | $84,642,973 | -$1,426,662 | $183.20 | 38 |
| 2014 Q4 | 466,474 | $122,684,428 | +$1,331,199 | $263.00 | 42 |
| 2014 Q3 | 463,606 | $83,678,025 | +$267,700 | $180.50 | 42 |
| 2014 Q2 | 461,984 | $95,429,945 | +$4,840,118 | $206.69 | 44 |
| 2014 Q1 | 438,688 | $75,878,044 | +$486,505 | $172.98 | 39 |