Heronetta Management, L.P.
In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), Heronetta Management, L.P. reported 24 stock positions worth $183.0 million. Its top holding was MPLX (MPLX) at 10.4% of the portfolio, followed by Enterprise Products Partners (EPD, 10.2%) and Williams Cos (WMB, 9.0%). Compared with Q4 2024, it added to 6 and reduced 6. The biggest buy was MPLX (MPLX, shares +0%) and the biggest sale Energy Transfer (ET, shares −0%).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001588225
- Portfolio Value
- $183.0M (Q1 2025)
- SEC Filing
- 0000922423-25-000035 ↗ filed May 15, 2025
Holdings Value
Holdings 24 stocks · $183.0M
| MPLX MPLX LP | 10.41% | 356,064 | $19.1M | Add +0.1% |
| EPD Enterprise Products Partners | 10.24% | 549,248 | $18.8M | Reduce -1.0% |
| WMB Williams Cos Inc. | 9.02% | 276,277 | $16.5M | Reduce -0.4% |
| ET Energy Transfer LP | 8.98% | 884,154 | $16.4M | Reduce -0.1% |
| OKE Oneok Inc. | 8.50% | 156,802 | $15.6M | Reduce -0.9% |
| ENB Enbridge Inc. | 6.71% | 197,374 | $12.3M | No change |
| PBA Pembina Pipeline Corp. | 6.05% | 197,698 | $11.1M | No change |
| WES Western Midstream Partners L | 5.10% | 227,773 | $9.3M | Reduce -0.4% |
| CP Canadian Pacific Kansas City | 4.93% | 89,300 | $9.0M | Add +2.3% |
| CNQ Canadian Natural Resources | 4.68% | 193,600 | $8.6M | No change |
| TRP TC Energy Corp. | 4.61% | 127,486 | $8.4M | No change |
| CNI Canadian Natl Railway Co. | 4.09% | 53,400 | $7.5M | Add +2.7% |
| SU Suncor Energy Inc. | 4.02% | 132,000 | $7.4M | No change |
| FTS Fortis Inc. | 3.08% | 86,000 | $5.6M | No change |
| HESM Hess Midstream LP Class A | 2.38% | 102,955 | $4.4M | Reduce -1.4% |
| PAGP Plains GP Holdings LP | 2.29% | 196,395 | $4.2M | No change |
| KMI Kinder Morgan Inc. | 1.48% | 95,125 | $2.7M | No change |
| TRGP Targa Resources Corp. | 1.12% | 10,242 | $2.1M | Add +1.0% |
| SOBO South Bow Corp. | 0.92% | 46,497 | $1.7M | Add +14.8% |
| TAC Transalta Corp. | 0.56% | 77,000 | $1.0M | No change |
| LNG Cheniere Energy Inc. | 0.28% | 2,213 | $512K | Add +4.7% |
| CQP Cheniere Energy Partners LP | 0.21% | 5,810 | $384K | No change |
| AM Antero Midstream Corp. | 0.17% | 16,910 | $304K | No change |
| CVE Cenovus Energy Inc. | 0.16% | 15,000 | $300K | No change |
Portfolio Sells Q4 2024 → Q1 2025
| ET Energy Transfer LP | Reduce -0.1% | 8.98% | −0.92 |
| OKE Oneok Inc. | Reduce -0.9% | 8.50% | −0.58 |
| WES Western Midstream Partners L | Reduce -0.4% | 5.10% | +0.08 |
| HESM Hess Midstream LP Class A | Reduce -1.4% | 2.38% | +0.17 |
| EPD Enterprise Products Partners | Reduce -1.0% | 10.24% | +0.31 |
| WMB Williams Cos Inc. | Reduce -0.4% | 9.02% | +0.45 |
Portfolio Buys Q4 2024 → Q1 2025
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 15 | $108.9M | WMB, MPLX, EPD, ET, OKE |
| Q1 2026 | 16 | $109.6M | EPD, MPLX, WMB, ET, OKE |
| Q4 2025 | 25 | $172.9M | MPLX, EPD, WMB, ET, ENB |
| Q3 2025 | 25 | $182.6M | MPLX, WMB, EPD, ET, ENB |
| Q2 2025 | 25 | $179.5M | MPLX, WMB, EPD, ET, OKE |
| Q1 2025 | 24 | $183.0M | MPLX, EPD, WMB, ET, OKE |
| Q4 2024 | 24 | $175.1M | EPD, ET, MPLX, OKE, WMB |
| Q3 2024 | 23 | $163.6M | EPD, MPLX, OKE, ET, WMB |
| Q2 2024 | 23 | $156.3M | EPD, MPLX, ET, OKE, WMB |
| Q1 2024 | 23 | $154.9M | EPD, MPLX, ET, OKE, WMB |