Heronetta Management, L.P.

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 1, 2024), Heronetta Management, L.P. reported 23 stock positions worth $154.9 million. Its top holding was Enterprise Products Partners (EPD) at 10.8% of the portfolio, followed by MPLX (MPLX, 9.6%) and Energy Transfer (ET, 9.1%). Compared with Q4 2023, it added to 3 and reduced 5. The biggest buy was Oneok (OKE, shares +0%) and the biggest sale Enterprise Products Partners (EPD, shares −10%).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001588225
Portfolio Value
$154.9M (Q1 2024)
SEC Filing
0000922423-24-000035 ↗ filed May 1, 2024

Holdings Value

0$50.0M$100.0M$150.0M$200.0M Q1 2024: $154.9M $154.9M Q1 2024 Q2 2024: $156.3M Q2 2024 Q3 2024: $163.6M Q3 2024 Q4 2024: $175.1M Q4 2024 Q1 2025: $183.0M Q1 2025 Q2 2025: $179.5M Q2 2025 Q3 2025: $182.6M Q3 2025 Q4 2025: $172.9M Q4 2025 Q1 2026: $109.6M Q1 2026 Q2 2026: $108.9M Q2 2026

Holdings 23 stocks · $154.9M
EPD Enterprise Products Partners 10.82% 574,048 $16.8M Reduce -10.5%
MPLX MPLX LP 9.58% 357,064 $14.8M Reduce -1.4%
ET Energy Transfer LP 9.06% 891,554 $14.0M Reduce -1.7%
OKE Oneok Inc. 8.13% 157,052 $12.6M Add +0.3%
WMB Williams Cos Inc. 6.98% 277,377 $10.8M No change
CNQ Canadian Natural Resources 6.96% 104,300 $10.8M Reduce -0.5%
CP Canadian Pacific Kansas City 6.58% 85,300 $10.2M Reduce -1.2%
CNI Canadian Natl Railway Co. 5.99% 52,000 $9.3M No change
ENB Enbridge Inc. 5.87% 189,374 $9.1M Add +2.2%
PBA Pembina Pipeline Corp. 5.78% 191,698 $8.9M No change
WES Western Midstream Partners L 5.23% 227,673 $8.1M No change
SU Suncor Energy Inc. 4.26% 132,000 $6.6M No change
TRP TC Energy Corp. 4.03% 117,486 $6.2M No change
FTS Fortis Inc. 2.97% 86,000 $4.6M No change
HESM Hess Midstream LP Class A 2.44% 104,455 $3.8M No change
PAGP Plains GP Holdings LP 2.29% 194,395 $3.5M No change
KMI Kinder Morgan Inc. 1.13% 95,125 $1.7M No change
TRGP Targa Resources Corp. 0.73% 10,142 $1.1M No change
TAC Transalta Corp. 0.38% 67,000 $582K No change
CVE Cenovus Energy Inc. 0.26% 15,000 $406K No change
LNG Cheniere Energy Inc. 0.22% 2,113 $341K Add +2.4%
CQP Cheniere Energy Partners LP 0.19% 5,810 $287K No change
AM Antero Midstream Corp. 0.15% 16,910 $238K No change

Portfolio Sells Q4 2023 → Q1 2024
EPD Enterprise Products Partners Reduce -10.5% 10.82% −1.15
MPLX MPLX LP Reduce -1.4% 9.58% +0.16
CP Canadian Pacific Kansas City Reduce -1.2% 6.58% +0.17
ET Energy Transfer LP Reduce -1.7% 9.06% +0.19
CNQ Canadian Natural Resources Reduce -0.5% 6.96% +0.52

Portfolio Buys Q4 2023 → Q1 2024
OKE Oneok Inc. Add +0.3% 8.13% +0.34
LNG Cheniere Energy Inc. Add +2.4% 0.22% −0.03
ENB Enbridge Inc. Add +2.2% 5.87% −0.28

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 15$108.9MWMB, MPLX, EPD, ET, OKE
Q1 2026 16$109.6MEPD, MPLX, WMB, ET, OKE
Q4 2025 25$172.9MMPLX, EPD, WMB, ET, ENB
Q3 2025 25$182.6MMPLX, WMB, EPD, ET, ENB
Q2 2025 25$179.5MMPLX, WMB, EPD, ET, OKE
Q1 2025 24$183.0MMPLX, EPD, WMB, ET, OKE
Q4 2024 24$175.1MEPD, ET, MPLX, OKE, WMB
Q3 2024 23$163.6MEPD, MPLX, OKE, ET, WMB
Q2 2024 23$156.3MEPD, MPLX, ET, OKE, WMB
Q1 2024 23$154.9MEPD, MPLX, ET, OKE, WMB