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CALEDONIA INVESTMENTS PLC

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13F filer, CIK 1037766, LONDON ENGLAND, United Kingdom

CALEDONIA INVESTMENTS PLC reported $890,187,571 across 15 holdings for the quarter ended 2026-09-30, in a 13F-HR filed 2026-10-13. Its ten largest share positions make up 87.42% of the portfolio.

Accepted , ingested 13F-HR 0001193125-26-419621

Period
2026-09-30
Reported value
$890M
Holdings
15
Top 10 weight
87.42%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
WSOadded+28,512$8.62M
ORCLadded+35,000$4.81M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
MSFTreduced-26,300-$13.5M
PMreduced-47,600-$9.09M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2026

Share positions as resolved from 13F-HR 0001193125-26-419621, largest first. % of portfolio is the value over $890,187,571, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
PMPHILIP MORRIS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 732,563 shares; 2025Q1: 732,563 shares; 2025Q2: 732,563 shares; 2025Q3: 732,563 shares; 2025Q4: 732,563 shares; 2026Q1: 702,563 shares; 2026Q2: 702,563 shares; 2026Q3: 654,963 shares 654,963$125M14.05%-47,600Timeline
TXNTEXAS INSTRS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 460,950 shares; 2025Q1: 460,950 shares; 2025Q2: 489,450 shares; 2025Q3: 518,000 shares; 2025Q4: 518,000 shares; 2026Q1: 518,000 shares; 2026Q2: 397,000 shares; 2026Q3: 397,000 shares 397,000$111M12.49%0Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 253,317 shares; 2025Q1: 253,317 shares; 2025Q2: 253,317 shares; 2025Q3: 253,317 shares; 2025Q4: 234,317 shares; 2026Q1: 234,317 shares; 2026Q2: 199,317 shares; 2026Q3: 173,017 shares 173,017$88.7M9.97%-26,300Timeline
WSOWATSCO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 194,427 shares; 2025Q1: 194,427 shares; 2025Q2: 194,427 shares; 2025Q3: 219,427 shares; 2025Q4: 232,927 shares; 2026Q1: 232,927 shares; 2026Q2: 232,927 shares; 2026Q3: 261,439 shares 261,439$79.1M8.88%+28,512Timeline
TMOTHERMO FISHER SCIENTIFIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 100,267 shares; 2025Q1: 100,267 shares; 2025Q2: 111,767 shares; 2025Q3: 111,767 shares; 2025Q4: 111,767 shares; 2026Q1: 111,767 shares; 2026Q2: 111,767 shares; 2026Q3: 111,767 shares 111,767$75.5M8.48%0Timeline
FASTFASTENAL COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 718,056 shares; 2025Q1: 718,056 shares; 2025Q2: 1,436,112 shares; 2025Q3: 1,385,112 shares; 2025Q4: 1,385,112 shares; 2026Q1: 1,385,112 shares; 2026Q2: 1,385,112 shares; 2026Q3: 1,385,112 shares 1,385,112$68.6M7.71%0Timeline
SCHWCHARLES SCHWAB CORP (THE)Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 501,000 shares; 2025Q3: 611,000 shares; 2025Q4: 611,000 shares; 2026Q1: 611,000 shares; 2026Q2: 671,000 shares; 2026Q3: 671,000 shares 671,000$65.6M7.37%0Timeline
MCOMOODYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 106,050 shares; 2025Q1: 106,050 shares; 2025Q2: 118,800 shares; 2025Q3: 118,800 shares; 2025Q4: 118,800 shares; 2026Q1: 129,800 shares; 2026Q2: 136,300 shares; 2026Q3: 136,300 shares 136,300$61.9M6.95%0Timeline
ORCLORACLE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 667,100 shares; 2025Q1: 667,100 shares; 2025Q2: 628,600 shares; 2025Q3: 426,100 shares; 2025Q4: 373,100 shares; 2026Q1: 373,100 shares; 2026Q2: 373,100 shares; 2026Q3: 408,100 shares 408,100$56M6.3%+35,000Timeline
CTASCINTAS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 177,000 shares; 2026Q1: 222,000 shares; 2026Q2: 239,000 shares; 2026Q3: 239,000 shares 239,000$46.6M5.24%0Timeline
BABAALIBABA GROUP HLDG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 278,000 shares; 2025Q1: 278,000 shares; 2025Q2: 278,000 shares; 2025Q3: 278,000 shares; 2025Q4: 278,000 shares; 2026Q1: 278,000 shares; 2026Q2: 278,000 shares; 2026Q3: 278,000 shares 278,000$29.9M3.36%0Timeline
POOLPOOL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 121,687 shares; 2025Q1: 129,387 shares; 2025Q2: 152,887 shares; 2025Q3: 160,887 shares; 2025Q4: 175,887 shares; 2026Q1: 175,887 shares; 2026Q2: 175,887 shares; 2026Q3: 175,887 shares 175,887$28.5M3.2%0Timeline
FTSFORTIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 526,700 shares; 2025Q1: 526,700 shares; 2025Q2: 526,700 shares; 2025Q3: 456,700 shares; 2025Q4: 456,700 shares; 2026Q1: 410,000 shares; 2026Q2: 410,000 shares; 2026Q3: 410,000 shares 410,000$21.7M2.44%0Timeline
CHTRCHARTER COMMUNICATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 141,400 shares; 2025Q1: 141,400 shares; 2025Q2: 153,200 shares; 2025Q3: 153,200 shares; 2025Q4: 169,700 shares; 2026Q1: 169,700 shares; 2026Q2: 169,700 shares; 2026Q3: 169,700 shares 169,700$18.8M2.11%0Timeline
PAYXPAYCHEX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 133,000 shares; 2026Q1: 133,000 shares; 2026Q2: 133,000 shares; 2026Q3: 133,000 shares 133,000$13.1M1.47%0Timeline

How Q3 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001193125-26-419621 base2026-10-13