Ticker · CUSIP 56585A102

MPC

MARATHON PETE CORP

Energy·Oil & Gas Refining & Marketing

···Share

Holders (tracked)

Combined shares

19,985,587

Combined value

$3.25B

Last close

$213.69

Quarter

2025Q4

Price is +31.4% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$213.69+88.65 (+70.90%)H $251.91 · L $124.06 · Avg Vol 2.3M

Congress buyCongress sell

Tracked holders · last 8 quarters

+6 vs previous quarter over the last 8.

SEC event timeline

29 events

Bill Nygren (Harris / Oakmark) added2026-02-17
+26,380 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−13,405 shares · 2025Q4
Position
Jeremy Grantham (GMO) added2026-02-17
+628 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−19,175 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+568,249 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−45,271 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−1,339,626 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+37,457 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−1,109,013 shares · 2025Q4
Position
Wellington Management trimmed2026-02-17
−2,164,683 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+15,648 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) added2026-02-13
+11,914 shares · 2025Q4
Position
Renaissance Technologies opened position2026-02-12
+177,899 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+2,904,209 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) added2026-02-09
+685 shares · 2025Q4
Position
Mario Gabelli (GAMCO) trimmed2026-02-05
−1,282 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+1,340,836 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+775,578 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+8,118 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−105,928 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−165,281 shares · 2025Q3
Position
Wellington Management trimmed2025-11-14
−2,309,074 shares · 2025Q3
Position
Bill Nygren (Harris / Oakmark) trimmed2025-11-14
−122,848 shares · 2025Q3
Position
Jeremy Grantham (GMO) trimmed2025-11-13
−1,422 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) added2025-11-13
+57,146 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−3,173,783 shares · 2025Q3
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12
−258 shares · 2025Q3
Position
Mario Gabelli (GAMCO) trimmed2025-11-12
−602 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−210,089 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for MPC →

Follow-the-investor returns

If you'd copied each holder of MPC…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Norges Bank (Norway SWF)	2016Q1	$48.12	+344.1%	$620.6M
T. Rowe Price	2016Q1	$103.37	+106.7%	$439.9M
AQR Capital Management	2016Q1	$114.93	+85.9%	$87.5M
Jeremy Grantham (GMO)	2016Q1	$120.68	+77.1%	$1.3M
Ken Fisher (Fisher Asset Mgmt)	2016Q1	$137.98	+54.9%	$4.1M
Wellington Management	2016Q1	$141.33	+51.2%	$1.54B
Mario Gabelli (GAMCO)	2019Q1	$151.14	+41.4%	$1.3M
Bill Nygren (Harris / Oakmark)	2025Q1	$155.59	+37.3%	$861.6M
Renaissance Technologies	2016Q4	$156.77	+36.3%	$38.0M
Steve Cohen (Point72)	2016Q1	$157.61	+35.6%	$8.0M
Steve Cohen (Point72)	2016Q1	$157.61	+35.6%	$8.0M
Steve Cohen (Point72)	2016Q1	$157.61	+35.6%	$8.0M
Two Sigma Investments	2016Q1	$162.67	+31.4%	$641K
Two Sigma Investments	2016Q1	$162.67	+31.4%	$641K
Two Sigma Investments	2016Q1	$162.67	+31.4%	$641K
Paul Tudor Jones (Tudor Investment)	2016Q1	$162.72	+31.3%	$3.3M
Paul Tudor Jones (Tudor Investment)	2016Q1	$162.72	+31.3%	$3.3M
Paul Tudor Jones (Tudor Investment)	2016Q1	$162.72	+31.3%	$3.3M
D.E. Shaw & Co.	2016Q1	$165.07	+29.5%	$374K
D.E. Shaw & Co.	2016Q1	$165.07	+29.5%	$374K
D.E. Shaw & Co.	2016Q1	$165.07	+29.5%	$374K
Ken Griffin (Citadel Advisors)	2016Q1	$167.62	+27.5%	$34.4M
Ken Griffin (Citadel Advisors)	2016Q1	$167.62	+27.5%	$34.4M
Ken Griffin (Citadel Advisors)	2016Q1	$167.62	+27.5%	$34.4M
Izzy Englander (Millennium Mgmt)	2016Q1	$170.00	+25.7%	$79.6M
Izzy Englander (Millennium Mgmt)	2016Q1	$170.00	+25.7%	$79.6M
Izzy Englander (Millennium Mgmt)	2016Q1	$170.00	+25.7%	$79.6M
Ray Dalio (Bridgewater Associates)	2016Q3	$172.94	+23.6%	$41.8M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions4

Norges Bank (Norway SWF)
+2,904,209
$472.3M
Renaissance Technologies
+177,899
$28.9M
Steve Cohen (Point72)
+37,457
$6.1M
Paul Tudor Jones (Tudor Investment)
+15,648
$2.5M

Added to5

Ken Griffin (Citadel Advisors)
+568,249
$92.4M
Bill Nygren (Harris / Oakmark)
+26,380
$4.3M
Ray Dalio (Bridgewater Associates)
+11,914
$1.9M
Ken Fisher (Fisher Asset Mgmt)
+685
$111K
Jeremy Grantham (GMO)
+628
$102K

Trimmed7

Wellington Management
−2,164,683
$352.0M
Izzy Englander (Millennium Mgmt)
−1,339,626
$217.9M
Two Sigma Investments
−45,271
$7.4M
AQR Capital Management
−19,175
$3.1M
D.E. Shaw & Co.
−13,405
$2.2M
Mario Gabelli (GAMCO)
−1,282
$208K
T. Rowe Price
−1,109,013
$180K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	23	88,556,437	$450.21B	—
2022Q2	20	84,069,602	$344.50B	-3
2022Q3	19	77,946,415	$7.74B	-1
2022Q4	26	79,872,336	$9.30B	+7
2023Q1	26	68,305,196	$9.21B	—
2023Q2	23	62,650,863	$7.30B	-3
2023Q3	24	58,446,038	$8.85B	+1
2023Q4	21	55,725,144	$8.27B	-3
2024Q1	21	49,833,534	$10.04B	—
2024Q2	22	47,971,749	$8.32B	+1
2024Q3	21	16,972,888	$2.76B	-1
2024Q4	21	10,073,671	$1.40B	—
2025Q1	20	21,478,651	$3.13B	-1
2025Q2	22	24,515,788	$4.07B	+2
2025Q3	22	20,943,073	$4.04B	—
2025Q4	28	19,985,587	$3.25B	+6

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2026-03-11	David J. Taylor	Sell	$1K – $15K	PDF ↗
2026-03-11	David J. Taylor	Sell	$1K – $15K	PDF ↗
2026-02-26	David J. Taylor	Sell	$1K – $15K	PDF ↗
2025-08-14	David J. Taylor	Buy	$1K – $15K	PDF ↗
2025-07-18	David J. Taylor	Sell	$1K – $15K	PDF ↗
2025-07-18	David J. Taylor	Sell	$1K – $15K	PDF ↗
2025-05-15	Rob Bresnahan	Buy	$1K – $15K	PDF ↗
2025-04-11	Dan Newhouse	Sell (P)	$1K – $15K	PDF ↗
2025-04-08	Rob Bresnahan	Sell	$1K – $15K	PDF ↗
2025-04-01	Julie Johnson	Sell	$1K – $15K	PDF ↗

Who owns MPC

28 super-investors · 2025Q4

Tracked stake

19.99M

Combined value

$3.25B

% of shares outstanding

—

shares-out unknown

Quarter action mix

New8Added7Trim13

#	Manager	Shares	Value	% of book	Last action
1	Wellington Management	7.20M	$1.17B	0.2%	Trim−2.16M
2	Bill Nygren Harris / Oakmark	4.03M	$656M	0.8%	Added+26.4K
3	Norges Bank Norway SWF	2.90M	$472M	0.1%	New+2.90M
4	T. Rowe Price	2.06M	$335M	0.0%	Trim−1.11M
5	Ken Griffin Citadel Advisors	912.3K	$148M	0.0%	Added+568.2K
6	Two Sigma Investments	887.5K	$144M	0.2%	Trim−45.3K
7	AQR Capital Management	409.4K	$67M	0.0%	Trim−19.2K
8	Izzy Englander Millennium Mgmt	372.3K	$61M	0.0%	Trim−1.34M
9	Ken Griffin Citadel Advisors	227.2K	$37M	0.0%	Added+568.2K
10	Ray Dalio Bridgewater Associates	195.6K	$32M	0.1%	Added+11.9K
11	Renaissance Technologies	177.9K	$29M	0.0%	New+177.9K
12	Ken Griffin Citadel Advisors	161.2K	$26M	0.0%	Added+568.2K
13	Izzy Englander Millennium Mgmt	143.4K	$23M	0.0%	Trim−1.34M
14	Izzy Englander Millennium Mgmt	97.3K	$16M	0.0%	Trim−1.34M
15	Steve Cohen Point72	43.8K	$7M	0.0%	New+37.5K
16	Steve Cohen Point72	37.5K	$6M	0.0%	New+37.5K
17	Steve Cohen Point72	28.9K	$5M	0.0%	New+37.5K
18	Paul Tudor Jones Tudor Investment	20.6K	$3M	0.0%	New+15.6K
19	Ken Fisher Fisher Asset Mgmt	19.2K	$3M	0.0%	Added+685
20	Paul Tudor Jones Tudor Investment	15.6K	$3M	0.0%	New+15.6K
21	D.E. Shaw & Co.	12.0K	$2M	0.0%	Trim−13.4K
22	Mario Gabelli GAMCO	6.1K	$998K	0.0%	Trim−1.3K
23	Jeremy Grantham GMO	6.0K	$971K	0.0%	Added+628
24	Paul Tudor Jones Tudor Investment	3.6K	$585K	0.0%	New+15.6K
25	D.E. Shaw & Co.	3.1K	$504K	0.0%	Trim−13.4K
26	Two Sigma Investments	3.0K	$488K	0.0%	Trim−45.3K
27	Two Sigma Investments	2.0K	$325K	0.0%	Trim−45.3K
28	D.E. Shaw & Co.	1.8K	$285K	0.0%	Trim−13.4K

Recent moves

20 transactions

ADDJeremy Grantham (GMO)
+628 · 2025Q4
ADDBill Nygren (Harris / Oakmark)
+26,380 · 2025Q4
TRIMT. Rowe Price
−1,109,013 · 2025Q4
NEWSteve Cohen (Point72)
+37,457 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+568,249 · 2025Q4
TRIMAQR Capital Management
−19,175 · 2025Q4
TRIMTwo Sigma Investments
−45,271 · 2025Q4
TRIMWellington Management
−2,164,683 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+15,648 · 2025Q4
TRIMD.E. Shaw & Co.
−13,405 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−1,339,626 · 2025Q4
ADDRay Dalio (Bridgewater Associates)
+11,914 · 2025Q4
NEWRenaissance Technologies
+177,899 · 2025Q4
NEWNorges Bank (Norway SWF)
+2,904,209 · 2025Q4
ADDKen Fisher (Fisher Asset Mgmt)
+685 · 2025Q4
TRIMMario Gabelli (GAMCO)
−1,282 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+1,340,836 · 2025Q3
ADDTwo Sigma Investments
+775,578 · 2025Q3
ADDD.E. Shaw & Co.
+8,118 · 2025Q3
TRIMT. Rowe Price
−165,281 · 2025Q3

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