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Heronetta Management’s MPLX MPLX Stock Holding History

Heronetta 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
Q2 		$18.3M Hold
324,039
– – 16.76% 2
2026
Q1 		$18.5M Buy
324,039
+400
+0.1% +$22.7K 16.88% 2
2025
Q4 		$17.3M Sell
323,639
-32,425
-9% -$1.69M 9.99% 1
2025
Q3 		$17.8M Hold
356,064
– – 9.74% 1
2025
Q2 		$18.3M Hold
356,064
– – 10.22% 1
2025
Q1 		$19.1M Buy
356,064
+500
+0.1% +$26.2K 10.41% 1
2024
Q4 		$17M Sell
355,564
-2,800
-0.8% -$130K 9.72% 3
2024
Q3 		$15.9M Hold
358,364
– – 9.74% 2
2024
Q2 		$15.3M Buy
358,364
+1,300
+0.4% +$53.5K 9.76% 2
2024
Q1 		$14.8M Sell
357,064
-5,200
-1% -$202K 9.58% 2
2023
Q4 		$13.3M Buy
362,264
+24,400
+7% +$877K 9.42% 2
2023
Q3 		$12M Buy
337,864
+5,200
+2% +$181K 8.82% 3
2023
Q2 		$11.3M Buy
332,664
+595
+0.2% +$20.3K 8.26% 2
2023
Q1 		$11.4M Sell
332,069
-128,464
-28% -$4.41M 8.4% 2
2022
Q4 		$15.1M Buy
460,533
+22,796
+5% +$746K 9.54% 2
2022
Q3 		$13.1M Buy
437,737
+2,400
+0.6% +$75.4K 9.42% 2
2022
Q2 		$12.7M Buy
435,337
+14,200
+3% +$455K 8.86% 2
2022
Q1 		$14M Buy
421,137
+4,000
+1% +$129K 9.02% 2
2021
Q4 		$12.3M Buy
417,137
+4,500
+1% +$135K 9.35% 2
2021
Q3 		$11.7M Buy
412,637
+11,700
+3% +$332K 9.05% 2
2021
Q2 		$9.15M Buy
400,937
+9,900
+3% +$280K 8.03% 2
2021
Q1 		$10M Buy
391,037
+7,200
+2% +$177K 8.38% 2
2020
Q4 		$8.65M Buy
383,837
+15,000
+4% +$296K 7.21% 4
2020
Q3 		$5.8M Buy
368,837
+10,600
+3% +$191K 5.99% 7
2020
Q2 		$6.19M Buy
358,237
+1,300
+0.4% +$22.2K 5.85% 7
2020
Q1 		$4.15M Buy
356,937
+32,400
+10% +$664K 4.95% 10
2019
Q4 		$8.26M Buy
324,537
+16,800
+5% +$428K 5.37% 5
2019
Q3 		$8.62M Buy
307,737
+26,000
+9% +$762K 5.55% 4
2019
Q2 		$9.07M Sell
281,737
-1,800
-0.6% -$57.4K 5.48% 5
2019
Q1 		$9.33M Buy
283,537
+6,000
+2% +$201K 5.18% 5
2018
Q4 		$8.41M Buy
277,537
+8,000
+3% +$267K 5.45% 4
2018
Q3 		$9.35M Buy
269,537
+14,000
+5% +$501K 5.23% 5
2018
Q2 		$8.72M Sell
255,537
-30,100
-11% -$1.05M 4.98% 6
2018
Q1 		$9.44M Buy
285,637
+7,700
+3% +$276K 5.69% 5
2017
Q4 		$9.86M Buy
277,937
+15,100
+6% +$532K 5.27% 5
2017
Q3 		$9.2M Buy
262,837
+16,400
+7% +$567K 5.1% 4
2017
Q2 		$8.23M Buy
246,437
+4,800
+2% +$166K 4.56% 6
2017
Q1 		$8.72M Hold
241,637
– – 4.37% 7
2016
Q4 		$8.37M Sell
241,637
-50,887
-17% -$1.65M 4.33% 7
2016
Q3 		$9.9M Hold
292,524
– – 5.2% 6
2016
Q2 		$9.84M Hold
292,524
– – 5.28% 5
2016
Q1 		$8.69M Hold
292,524
– – 5.54% 4
2015
Q4 		$11.5M Buy
292,524
+185,094
+172% +$6.99M 6.89% 3
2015
Q3 		$4.11M Hold
107,430
– – 2.37% 18
2015
Q2 		$7.67M Hold
107,430
– – 3.56% 9
2015
Q1 		$7.87M Buy
107,430
+1,000
+0.9% +$76K 3.63% 9
2014
Q4 		$7.82M Hold
106,430
– – 3.48% 10
2014
Q3 		$6.27M Buy
106,430
+13,400
+14% +$821K 2.4% 14
2014
Q2 		$6M Buy
93,030
+7,000
+8% +$398K 2.38% 13
2014
Q1 		$4.21M Hold
86,030
– – 1.96% 20
2013
Q4 		$3.83M Buy
86,030
+13,000
+18% +$492K 1.91% 19
2013
Q3 		$2.66M Buy
73,030
+30,100
+70% +$1.09M 1.42% 24
2013
Q2 		$1.58M Buy
+42,930
New +$1.6M 0.88% 27

Other funds holding MPLX

AA
ALPS Advisors Denver, Colorado $21.3B AUM 23.41% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Blackstone Inc
Blackstone Inc New York $32.9B AUM 23.66% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
TCA
Tortoise Capital Advisors Overland Park, Kansas $9.84B AUM 26.47% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return
KACA
Kayne Anderson Capital Advisors Los Angeles, California $5.1B AUM 17.16% 1-Year Est. Return
EIP
Energy Income Partners Westport, Connecticut $6.36B AUM 17.8% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Heronetta Management's MPLX Position: Q2 2026 in Review

Heronetta Management held its MPLX (MPLX) position steady in Q2 2026 at 324,039 shares worth $18.3M. The position accounts for 16.76% of the portfolio, ranked #2.

Heronetta Management first reported a position in MPLX in Q2 2013 and has held it in 53 quarters since. The position peaked at $19.1M in Q1 2025. 636 funds tracked by Wall St. Rank hold MPLX as of Q2 2026.

  • Heronetta Management held 324,039 shares of MPLX worth $18.3M as of Q2 2026.
  • Heronetta Management left its MPLX share count unchanged in Q2 2026.
  • MPLX made up 16.76% of Heronetta Management's portfolio in Q2 2026, its #2 holding.
  • Heronetta Management first reported a position in MPLX in Q2 2013 and has held it in 53 quarters since.
  • Heronetta Management's MPLX position peaked at $19.1M in Q1 2025.
  • 636 funds tracked by Wall St. Rank held MPLX as of Q2 2026.

Based on Heronetta Management's 13F filing for Q2 2026, filed 28 Jul 2026.