Stock ownership · SEC 13F · Q4 2025

MARATHON PETE CORP

Who owns MARATHON PETE CORP (CUSIP 56585A102)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$214.8M
Reported value
9
Institutions
100%
Top-5 share

The verdict

According to SEC Form 13F-HR filings in this corpus, MARATHON PETE CORP ranks #68 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 9 institutions report $214.8M as of Q4 2025, with ownership dominated by its top few institutional owners.

9
institutions hold it
$214.8M
reported 13F value
100%
held by top 5
#68
of 775 by value

Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.

According to SEC Form 13F-HR filings in this corpus, MARATHON PETE CORP ranks #68 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 56585A102 · Q4 2025 $215M reported

VALUE-HEAVY · HOLDERS-FOCUS · CONC-DOM · PHOTO-FINISH · ACTIVITY-QUIET · BOOK-FULL

  • VALUE-HEAVY #68/775
  • HOLDERS-FOCUS 9 filers
  • CONC-DOM 100% top-5
  • PHOTO-FINISH CARNIVAL F
  • ACTIVITY-QUIET 0 new
  • BOOK-FULL 8Q history

Photo-finish peer on reported value: CARNIVAL CORP F

Read with: Ownership concentration guide - MARATHON PETE CORP's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Reported-value neighbourhood · MARATHON PETE CORP

Nearest tracked securities by aggregate 13F reported value, not a full corpus reprint.

OCCIDENTAL PETE · near$218MISHARES TR · near$217MMARATHON PETE · this stock$215MCARNIVAL F · near$213MCOLGATE PALMOLIVE · near$211M
Aggregate reported institutional value ($)
Largest institutional holders of MARATHON PETE CORP
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Top 6 reported holders by value · Q4 2025

Institutional ownership over time

The number of institutions reporting a MARATHON PETE CORP position has fallen from 11 to 9 over the last 8 quarters of 13F filings.

510152025 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25 9
Distinct 13F filers holding MARATHON PETE CORP, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 Pacer Advisors, Inc. 1,306,749 $212.5M 99.0%
2 GROUPAMA ASSET MANAGMENT 11,218 $1.8M 0.8%
3 DGS Capital Management, LLC 1,272 $207K 0.1%
4 TD Capital Management LLC 933 $152K 0.1%
5 MidFirst Bank 1,088 $28K 0.0%
6 Bell Investment Advisors, Inc 143 $23K 0.0%
7 Compass Financial Services Inc 48 $8K 0.0%
8 Anchor Investment Management, LLC 34 $6K 0.0%
9 SG Trading Solutions, LLC 3,005 $489 0.0%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among MARATHON PETE CORP's reported holders for Q4 2025, by reported value:

Sole discretion (SOLE)
100.0%

Latest Quarter Activity · Q4 2025

Frequently Asked Questions

How many institutions hold MARATHON PETE CORP?▼
MARATHON PETE CORP is held by 9 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
Where does MARATHON PETE CORP sit among tracked securities?▼
According to SEC Form 13F-HR filings in this corpus, MARATHON PETE CORP ranks #68 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. The ordinal is recomputed live among securities with ≥5 reporting holders. See /methodology/#corpus-placement.
What is the total institutional value of MARATHON PETE CORP?▼
Institutions report $214.8M of MARATHON PETE CORP as of Q4 2025.
How concentrated is ownership of MARATHON PETE CORP?▼
The top five institutional holders account for 100% of the reported institutional value in MARATHON PETE CORP, making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of MARATHON PETE CORP?▼
Pacer Advisors, Inc. is the largest reported holder of MARATHON PETE CORP with $212.5M across 1,306,749 shares as of Q4 2025.

Nationwide stocks with similar institutional value or holder count

Two 13F-derived peer sets for MARATHON PETE CORP: nearest aggregate reported value and nearest institutional holder count, not catalog browse links.

Similar reported value

Nearest stocks by aggregate 13F reported value ($214.8M here).

Similar holder count

Nearest stocks by number of disclosing 13F holders (9 here).

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-09-26.