MPC MARATHON PETE CORP COM

Ownership history in HM PAYSON & CO  ·  55 quarters on record

AI Ownership Summary

HM PAYSON & CO reported MARATHON PETE CORP COM (MPC) in 55 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.46% in 2024 Q2. The latest visible filing shows MPC at 0.86% 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this MPC ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was HM PAYSON & CO's position in MARATHON PETE CORP COM, 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

MPC was reported at 0.86% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.46% 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 HM PAYSON & CO held MPC — position size vs. price
% of Fund (quarterly)    MPC price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED 245,189 -57,781 -19.1% 0.86% $59.9M 2026-04-13 $225.29
2025 Q4 REDUCED 302,970 -13,018 -4.1% 0.69% $49.3M 2026-02-12 $197.03
2025 Q3 REDUCED 315,988 -56,007 -15.1% 0.88% $60.9M 2025-10-17 $182.63
2025 Q1 ADDED 371,995 +20,049 +5.7% 0.95% $54.2M 2025-04-29 $135.41
2024 Q4 REDUCED 351,946 -94,471 -21.2% 0.83% $49.1M 2025-02-07 $146.13
2024 Q3 REDUCED 446,417 -15,808 -3.4% 1.25% $72.7M 2024-10-28 $146.21
2024 Q2 ADDED 462,225 +84,952 +22.5% 1.46% $80.2M 2024-08-13 $169.28
2024 Q1 REDUCED 377,273 -63,178 -14.3% 1.41% $76.0M 2024-06-20 $167.26
2023 Q4 ADDED 440,451 +24,753 +6.0% 1.35% $65.3M 2024-02-13 $162.06
46 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About HM PAYSON & CO and MPC

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

How long has HM PAYSON & CO reported owning MPC?

HM PAYSON & CO reported MPC across 9 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported MPC position in HM PAYSON & CO's portfolio?

The largest reported portfolio weight for MPC was 1.46% in 2024 Q2.

What is the latest reported MPC position on this page?

The most recent filing on this page is 2026 Q1, when HM PAYSON & CO reported 245,189 shares, equal to 0.86% of portfolio, with an estimated market value of $59.9M.

What does the chart on this MPC ownership page compare?

The chart compares HM PAYSON & CO's quarterly MPC 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.

← Back to HM PAYSON & CO Holdings