Trade Filings
Managers Stocks Filings Superinvestors
Signals Institutional Buying Institutional Selling Insider Activity 13D & 13G Watch Sector Rotation
Tools Stock Screener Manager Screener Compare Managers Consensus Baskets All Research Tools Data API
Learn & AI Learn Ask the Data AI Agents
News ★ Saved
About About us Methodology Contact Disclaimer
Reader
DATA PLANS

Historical data downloads — coming with accounts.

API GATEWAY

Free read-only JSON access to the site's cached data.

Dark mode

🧭 Guided View
New to markets — prices, yields, YTD, market cap? We explain every term as you browse, in plain English. Same data, with the help built in.

⚡ Expert View
You already know the market. Just the data — clean, fast and compact, with no extra explanations. This is the default view.

Interface language
Security record · archived quarter

MPC

Marathon Petroleum Corporation · Energy · Oil & Gas Refining & Marketing

354.88 -2.1% mkt cap $103.60B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
157Tracked holders
+3Δ holders
196.31MShares held
$31.93BReported value
+4New positions
−0Exits
Stable Conviction score 51/100 5 quarters of rising tracked shares ●●●●● How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +1.9% · share flow -3.4% · net new positions +2.5%formula
Ownership fragmentation — more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 160 +5 171.40M $43.83B +7 −1
Q1 2026 157 -1 173.92M $42.44B +4 −6
Q4 2025 157 +3 196.31M $31.93B +4
Q3 2025 22 +1 125.00M $24.09B +2 −2
Q2 2025 19 +1 115.64M $19.20B +2 −1
Q1 2025 15 0 50.29M $7.32B +1 −1
Q4 2024 15 0 46.72M $6.51B +1 −1
Q3 2024 14 -1 22.70M $3.69B +1 −2
Q2 2024 15 25.65M $4.45B
Holder count
Who holds it · Q4 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 The Vanguard Group (passive) 38.29M -0.1% $6.23B 0.1% ▼ Trim 3 SEC ↗
2 The Vanguard Group (passive) 38.29M -0.1% $6.23B 0.1% ▼ Trim 3 SEC ↗
3 The Vanguard Group (passive) 38.29M -0.1% $6.23B 0.1% ▼ Trim 3 SEC ↗
4 The Vanguard Group (passive) 38.29M -0.1% $6.23B 0.1% ▼ Trim 3 SEC ↗
5 The Vanguard Group (passive) 38.29M -0.1% $6.23B 0.1% ▼ Trim 3 SEC ↗
6 The Vanguard Group (passive) 38.29M -0.1% $6.23B 0.1% ▼ Trim 3 SEC ↗
7 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
8 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
9 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
10 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
11 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
12 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
13 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
14 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
15 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
16 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
17 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
18 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
19 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
20 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
21 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
22 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
23 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
24 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
25 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
26 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
27 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
28 BlackRock (passive) 22.43M 0.0% $3.65B 0.1% ▲ Add 3 SEC ↗
29 State Street Global Advisors (passive) 17.93M +0.3% $2.92B 0.1% ▲ Add 5 SEC ↗
30 Geode Capital Management (passive) 7.77M -1.9% $1.26B 0.1% ▼ Trim 7 SEC ↗
31 Geode Capital Management (passive) 7.77M -1.9% $1.26B 0.1% ▼ Trim 7 SEC ↗
32 Wellington Management 7.20M -23.1% $1.17B 0.2% ▼ Trim 7 SEC ↗
33 Wellington Management 7.20M -23.1% $1.17B 0.2% ▼ Trim 7 SEC ↗
34 Wellington Management 7.20M -23.1% $1.17B 0.2% ▼ Trim 7 SEC ↗
35 Wellington Management 7.20M -23.1% $1.17B 0.2% ▼ Trim 7 SEC ↗
36 Wellington Management 7.20M -23.1% $1.17B 0.2% ▼ Trim 7 SEC ↗
37 Wellington Management 7.20M -23.1% $1.17B 0.2% ▼ Trim 7 SEC ↗
38 Wellington Management 7.20M -23.1% $1.17B 0.2% ▼ Trim 7 SEC ↗
39 Wellington Management 7.20M -23.1% $1.17B 0.2% ▼ Trim 7 SEC ↗
40 Boston Partners 6.12M $997.92M 1.0% n/c 1 SEC ↗
41 Boston Partners 6.12M $997.92M 1.0% n/c 1 SEC ↗
42 Boston Partners 6.12M $997.92M 1.0% n/c 1 SEC ↗
43 Boston Partners 6.12M $997.92M 1.0% n/c 1 SEC ↗
44 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
45 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
46 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
47 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
48 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
49 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
50 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
51 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
52 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
53 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
54 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
55 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
56 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
57 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
58 Morgan Stanley 6.08M -2.9% $989.42M 0.1% ▼ Trim 2 SEC ↗
59 Raymond James Financial Inc 5.82M $945.75M 0.3% n/c 1 SEC ↗
60 Raymond James Financial Inc 5.82M $945.75M 0.3% n/c 1 SEC ↗
61 Raymond James Financial Inc 5.82M $945.75M 0.3% n/c 1 SEC ↗
62 Raymond James Financial Inc 5.82M $945.75M 0.3% n/c 1 SEC ↗
63 Raymond James Financial Inc 5.82M $945.75M 0.3% n/c 1 SEC ↗
64 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
65 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
66 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
67 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
68 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
69 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
70 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
71 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
72 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
73 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
74 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
75 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
76 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
77 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
78 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
79 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
80 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
81 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
82 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
83 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
84 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
85 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
86 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
87 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
88 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
89 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
90 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
91 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
92 Bank of New York Mellon Corp 4.41M $717.40M 0.1% n/c 1 SEC ↗
93 Harris Associates (Oakmark) 4.03M +0.7% $655.72M 0.8% ▲ Add 4 SEC ↗
94 Harris Associates (Oakmark) 4.03M +0.7% $655.72M 0.8% ▲ Add 4 SEC ↗
95 Fidelity (FMR) 3.47M -15.1% $564.65M 0.0% ▼ Trim 3 SEC ↗
96 Fidelity (FMR) 3.47M -15.1% $564.65M 0.0% ▼ Trim 3 SEC ↗
97 Fidelity (FMR) 3.47M -15.1% $564.65M 0.0% ▼ Trim 3 SEC ↗
98 Fidelity (FMR) 3.47M -15.1% $564.65M 0.0% ▼ Trim 3 SEC ↗
99 Fidelity (FMR) 3.47M -15.1% $564.65M 0.0% ▼ Trim 3 SEC ↗
100 Dimensional Fund Advisors Lp 3.35M $544.57M 0.1% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,874 holders, 216.66M shares, $50.91B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 17 Benson Molly R

Officer · 7.20K sh · $2.58M

Aug 17 Benson Molly R

Officer · 5.00K sh · $1.79M

Aug 13 Lyon Shawn M

Officer · 2.50K sh · $875,000

Aug 12 Henschen Michael A II

Officer · 6.01K sh · $2.05M

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2025 · Methodology · Get this via the API