MPC
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 17.6 | P/B | 2.82 |
| EPS (TTM) | 13.35 | Dividend | 1.59% |
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 24.4M | 0.1% | +9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 19.2M | n/a | n/a |
| State Street | 19.0M | 0.2% | +6% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 15.7M | n/a | n/a |
| Geode Capital Management | 7.8M | 0.1% | +1% |
| Morgan Stanley | 6.1M | 0.1% | n/a |
Top institutional owners for MPC as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
| Date | Insider | Action | Shares | $ value |
|---|---|---|---|---|
| SEP 01 | Lyon Shawn M | SELL | 1K | −$376K |
| AUG 31 | Brzezinski Erin M | SELL | 570 | −$207K |
| AUG 14 | Henschen Michael A II | SELL | 6K | −$2M |
| JUN 08 | Henschen Michael A II | SELL | 5K | −$1M |
| MAY 15 | Hessling Ricky D. | SELL | 1K | −$250K |
0 insider buys, 5 sells in the last 180 days. Scheduled 10b5-1 sales are pre-programmed and neutral; discretionary clusters are the tape worth reading. Cross-reference with the signal stack above for context.
§ 08 · COVERAGE · OUR RECENT NOTES
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