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Manager Profile

Heronetta Management, L.P.

Diversified · Energy 75%

A clean view of the latest 13F profile, portfolio scale, and filing history for this manager.

Most Recent 13F

Q2 2026

Location

NEW YORK, NY

Portfolio Value

$108.9M

Latest reported 13F value

Holdings

15

Distinct positions in last filing

Top Position

Williams Cos Inc

Latest disclosed holding

Top 4

WMB MPLX 293792107 ET OKE

Quick ticker snapshot

Sector Exposure

How this manager's portfolio splits across sectors.

Energy
75%
Basic Materials
0%
Communication Services
0%
Consumer Cyclical
0%
Consumer Defensive
0%
Financial Services
0%
Healthcare
0%
Industrials
0%
Real Estate
0%
Technology
0%
Utilities
0%
Holdings Value Over Time

Quarterly trend based on reported 13F portfolio value.

Q2 2026
Largest Positions

Top 5 largest positions by current portfolio value.

1
Williams Cos Inc

Shares: 251.4K

18.7M

Position Value
2
MPLX LP

Shares: 324K

18.3M

Position Value
3
ENTERPRISE PRODS PARTNERS L

Shares: 495K

18.2M

Position Value
4
Energy Transfer LP

Shares: 799.2K

15.3M

Position Value
5
Oneok Inc

Shares: 140.8K

12.2M

Position Value
Filing History

Quarter-by-quarter summary of this manager's 13F filings.

Quarter Holdings Value Form Type Date Filed Filing ID