Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Heronetta Management, L.P. 13F Holdings -- Portfolio & Top Positions (2026-06-30)

Heronetta Management, L.P. (CIK 1588225) reported $108.9M across 15 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: WMB ($18.7M, 17.16%), MPLX ($18.3M, 16.76%), EPD ($18.2M, 16.71%), ET ($15.3M, 14.03%), OKE ($12.2M, 11.24%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1WMBWILLIAMS COS INC$18.7M17.16%251,402Hold
2MPLXMPLX LP$18.3M16.76%324,039Hold
3EPDENTERPRISE PRODS PARTNERS L$18.2M16.71%495,048Hold
4ETENERGY TRANSFER L P$15.3M14.03%799,229Hold
5OKEONEOK INC NEW$12.2M11.24%140,802Hold
6WESWESTERN MIDSTREAM PARTNERS L$9.0M8.29%206,361Hold
7PAGPPLAINS GP HLDGS L P$4.4M4.03%181,025Hold
8HESMHESS MIDSTREAM LP$3.5M3.19%92,505Hold
9KMIKINDER MORGAN INC DEL$2.8M2.60%88,725Hold
10TRGPTARGA RES CORP$2.8M2.55%10,342Hold
11LNGCHENIERE ENERGY INC$931,4220.86%3,897Added
12ENBENBRIDGE INC$840,6340.77%15,507Hold
13PBAPEMBINA PIPELINE CORP$818,5330.75%17,698Hold
14TRPTC ENERGY CORP$783,2830.72%11,816Hold
15AMANTERO MIDSTREAM CORP$384,7030.35%16,910Hold
16CQPCHENIERE ENERGY PARTNERS L P$00.00%0Exited

Source: SEC Form 13F filings · as of 2026-06-30