Glenn Greenberg's MPLX Position Overview
Glenn Greenberg (via Brave Warrior Advisors, LLC) currently holds 4.47 M shares of MPLX LP (MPLX) worth $238.78 M, representing 5.59% of the portfolio. First purchased in 2023-Q2, this medium-term investment has been held for 11 quarters.
Based on 13F filings, Glenn Greenberg has maintained a strategic position in MPLX, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2024, adding 3.01 M shares. Largest reduction occurred in Q2 2025, reducing 89,053 shares.
Analysis based on 13F filings available since 2013 Q2
Glenn Greenberg's MPLX (MPLX) Holding Value Over Time
Track share changes against reported price movement
Quarterly MPLX (MPLX) Trades by Glenn Greenberg
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +6,641 | Add 0.15% | 4.47 M | $53.37 |
| Q3 2025 | +192,441 | Add 4.50% | 4.47 M | $49.95 |
| Q2 2025 | -89,053 | Reduce 2.04% | 4.28 M | $51.51 |
| Q1 2025 | -54,068 | Reduce 1.22% | 4.36 M | $53.52 |
| Q4 2024 | -14,812 | Reduce 0.33% | 4.42 M | $47.86 |
| Q3 2024 | +197,488 | Add 4.66% | 4.43 M | $44.46 |
| Q2 2024 | +1.21 M | Add 39.99% | 4.24 M | $42.59 |
| Q1 2024 | +3.01 M | Add 17697.70% | 3.03 M | $41.56 |
| Q4 2023 | +5,000 | Add 41.67% | 17,000 | $36.72 |
| Q2 2023 | +12,000 | New Buy | 12,000 | $33.94 |
Glenn Greenberg's MPLX Investment FAQs
Glenn Greenberg first purchased MPLX LP (MPLX) in Q2 2023, acquiring 12,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Glenn Greenberg has held MPLX LP (MPLX) for 11 quarters since Q2 2023.
Glenn Greenberg's largest addition to MPLX LP (MPLX) was in Q1 2024, adding 3,025,609 shares worth $125.74 M.
According to the latest 13F filing for Q4 2025, Glenn Greenberg's firm, Brave Warrior Advisors, LLC, owns 4,474,115 shares of MPLX LP (MPLX), valued at approximately $238.78 M.
As of the Q4 2025 filing, MPLX LP (MPLX) represents approximately 5.59% of Glenn Greenberg's publicly disclosed stock portfolio, making it one of their key holdings.
Glenn Greenberg's peak holding in MPLX LP (MPLX) was 4,474,115 shares, as reported at the end of Q4 2025.