Longfellow Investment Management
MPLX icon

Longfellow Investment Management’s MPLX MPLX Stock Holding History

Longfellow Investment Management’s Portfolio MPLX Stock Details MPLX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$29.6M Sell
525,409
-54,044
-9% -$3.16M 6.37% 4
2026
Q2 		$32.6M Hold
579,453
– – 6.67% 4
2026
Q1 		$33.1M Sell
579,453
-187,076
-24% -$10.6M 6.89% 4
2025
Q4 		$40.9M Hold
766,529
– – 9.23% 4
2025
Q3 		$38.3M Hold
766,529
– – 9.08% 3
2025
Q2 		$39.5M Hold
766,529
– – 9.77% 2
2025
Q1 		$41M Hold
766,529
– – 10.01% 2
2024
Q4 		$36.7M Hold
766,529
– – 9.43% 3
2024
Q3 		$34.1M Sell
766,529
-100,335
-12% -$4.29M 8.53% 3
2024
Q2 		$36.9M Sell
866,864
-226,274
-21% -$9.32M 9.27% 3
2024
Q1 		$45.4M Hold
1,093,138
– – 10.27% 3
2023
Q4 		$40.1M Hold
1,093,138
– – 9.91% 3
2023
Q3 		$38.9M Sell
1,093,138
-223,637
-17% -$7.81M 10.29% 3
2023
Q2 		$44.7M Hold
1,316,775
– – 10.26% 2
2023
Q1 		$45.4M Hold
1,316,775
– – 10.38% 2
2022
Q4 		$43.2M Hold
1,316,775
– – 9.8% 2
2022
Q3 		$39.5M Hold
1,316,775
– – 8.08% 2
2022
Q2 		$38.4M Hold
1,316,775
– – 8.29% 2
2022
Q1 		$43.7M Sell
1,316,775
-209,390
-14% -$6.77M 7.05% 2
2021
Q4 		$45.2M Buy
1,526,165
+73,718
+5% +$2.21M 7.34% 2
2021
Q3 		$41.4M Hold
1,452,447
– – 6.76% 2
2021
Q2 		$43M Buy
1,452,447
+97,000
+7% +$2.75M 6.11% 2
2021
Q1 		$34.7M Buy
1,355,447
+239,554
+21% +$5.88M 4.18% 3
2020
Q4 		$24.2M Buy
+1,115,893
New +$22M 2.92% 5

Other funds holding MPLX

ALPS Advisors
ALPS Advisors Denver, Colorado $21.8B AUM 17.58% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Kayne Anderson Capital Advisors
Kayne Anderson Capital Advisors Los Angeles, California $5.47B AUM 13.78% 1-Year Est. Return
Chickasaw Capital Management
Chickasaw Capital Management Memphis, Tennessee $2.79B AUM 24.88% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 20.64% 1-Year Est. Return
Miller Howard Investments
Miller Howard Investments Kingston, New York $3.72B AUM 18.2% 1-Year Est. Return
Eagle Global Advisors
Eagle Global Advisors Houston, Texas $3.02B AUM 27.86% 1-Year Est. Return

Longfellow Investment Management's MPLX Position: Q3 2026 in Review

Longfellow Investment Management reduced its MPLX (MPLX) stake by 9.3% in Q3 2026, selling an estimated $3.16M and leaving 525,409 shares worth $29.6M. The position accounts for 6.37% of the portfolio, ranked #4.

Longfellow Investment Management first reported a position in MPLX in Q4 2020 and has held it in 24 quarters since. The position peaked at $45.4M in Q1 2024. 477 funds tracked by Wall St. Rank hold MPLX as of Q3 2026.

  • Longfellow Investment Management held 525,409 shares of MPLX worth $29.6M as of Q3 2026.
  • Longfellow Investment Management sold 54,044 MPLX shares in Q3 2026, an estimated $3.16M.
  • MPLX made up 6.37% of Longfellow Investment Management's portfolio in Q3 2026, its #4 holding.
  • Longfellow Investment Management first reported a position in MPLX in Q4 2020 and has held it in 24 quarters since.
  • Longfellow Investment Management's MPLX position peaked at $45.4M in Q1 2024.
  • 477 funds tracked by Wall St. Rank held MPLX as of Q3 2026.

Based on Longfellow Investment Management's 13F filing for Q3 2026, filed 12 Nov 2026.