Ariston Services Group MCK MCKESSON CORP

Ownership history in Ariston Services Group  ·  10 quarters on record

AI Ownership Summary

Ariston Services Group reported MCKESSON CORP (MCK) in 10 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.36% in 2024 Q2. The latest visible filing shows MCK at 0.22% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this MCK ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Ariston Services Group's position in MCKESSON CORP, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

MCK was reported at 0.22% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.36% in 2024 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How Ariston Services Group held MCK — position size vs. price
% of Fund (quarterly)    MCK price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED -421 -100.0% 0.22% $364K 2026-04-22 $829.23
2025 Q4 UNCHANGED 421 0% 0.20% $345K 2026-01-23 $819.55
2025 Q3 REDUCED 26.4% +7.6% 421 -151 -26.4% 0.20% $325K 2025-10-28 $803.17
2025 Q2 UNCHANGED 572 0% 0.30% $419K 2025-07-29 $710.05
2025 Q1 REDUCED 9.5% +9.0% 572 -60 -9.5% 0.32% $385K 2025-05-14 $679.59
2024 Q4 UNCHANGED 632 0% 0.31% $360K 2025-02-06 $596.73
2024 Q3 UNCHANGED 632 0% 0.27% $312K 2024-10-25 $504.28
2024 Q2 REDUCED 632 -4 -0.6% 0.36% $369K 2024-07-17 $577.73
2024 Q1 UNCHANGED 636 0% 0.33% $341K 2024-04-18 $514.39
2023 Q4 INITIATED 636 0.29% $294K 2024-03-21 $529.63

FAQ About Ariston Services Group and MCK

These are the practical questions this page is built to answer before you even open the full history table.

How long has Ariston Services Group reported owning MCK?

Ariston Services Group reported MCK across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported MCK position in Ariston Services Group's portfolio?

The largest reported portfolio weight for MCK was 0.36% in 2024 Q2.

What is the latest reported MCK position on this page?

The latest section of the table and chart shows the most recent reported MCK position for Ariston Services Group.

What does the chart on this MCK ownership page compare?

The chart compares Ariston Services Group's quarterly MCK portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Ariston Services Group time their MCK position?

Based on 13F filing dates vs. subsequent MCK price moves, Ariston Services Group correctly timed 1 out of 4 reported position changes (25%). The annualised alpha on MCK relative to SPY over the holding period was +5.7%.

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