Heronetta Management, L.P. — 13F holdings

Heronetta Management, L.P. reported 15 holdings worth $109M in its 13F filing for Q2 2026, filed July 28, 2026.

Largest positions

1. WMB WILLIAMS COS INC — $18.7M (17.2%)
2. MPLX MPLX LP — $18.3M (16.8%)
3. EPD ENTERPRISE PRODS PARTNERS L — $18.2M (16.7%)
4. ET ENERGY TRANSFER L P — $15.3M (14.0%)
5. OKE ONEOK INC NEW — $12.2M (11.2%)
6. WES WESTERN MIDSTREAM PARTNERS L — $9.03M (8.3%)
7. PAGP PLAINS GP HLDGS L P — $4.39M (4.0%)
8. HESM HESS MIDSTREAM LP — $3.48M (3.2%)
9. KMI KINDER MORGAN INC DEL — $2.84M (2.6%)
10. TRGP TARGA RES CORP — $2.77M (2.5%)