SEC 13F Intelligence

Managers / Q1 2026

Heronetta Management, L.P.

CIK 0001588225 · 654 MADISON AVENUE, SUITE 1505, NEW YORK, NY, 10065 · (212) 601-5333

Reported Value
$110M
Q1 2026
Positions
16
Filings on Record
30
2019–present window
Filed
May 1, 2026
original filing

Summary

Heronetta Management, L.P. reported $110M in U.S.-listed holdings across 16 positions for Q1 2026.

Its largest position, EPD, represents 17.1% of the portfolio.

Compared with Q4 2025, the fund opened 0 new positions and exited 9.

Portfolio Metrics

Turnover
+10.6%
vs prior filed quarter
Top-10 Concentration
+96.5%
share of reported value
Largest Position
+17.1%
Enterprise Prods Partners L

Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $154MQ4 ’18Q1 ’19: $180MQ2 ’19: $165MQ3 ’19: $155MQ4 ’19: $154MQ4 ’19Q1 ’20: $84MQ2 ’20: $106MQ3 ’20: $97MQ4 ’20: $120MQ4 ’20Q1 ’21: $120MQ2 ’21: $114MQ3 ’21: $130MQ4 ’21: $132MQ4 ’21Q1 ’22: $155MQ2 ’22: $143MQ3 ’22: $139MQ4 ’22: $159MQ4 ’22Q1 ’23: $136MQ2 ’23: $137MQ3 ’23: $136MQ4 ’23: $141MQ4 ’23Q1 ’24: $155MQ2 ’24: $156MQ3 ’24: $164MQ4 ’24: $175MQ4 ’24Q1 ’25: $183MQ2 ’25: $180MQ3 ’25: $183MQ4 ’25: $173MQ4 ’25Q1 ’26: $110Mfilingsflow.com

Portfolio Composition

By security type
MLP: 56.1%Common Stock: 43.9%
  • MLP · 56.1% · $62M
  • Common Stock · 43.9% · $48M

Quarter-over-Quarter Changes full breakdown →

vs Q4 2025 (amended baseline)

IssuerMoveShare ΔShares nowValue ΔValue now
CPCANADIAN PACIFIC KANSAS CITYSOLD OUT89.3K0$9M$0
CRCCANADIAN NAT RES LTDSOLD OUT193.6K0$9M$0
SUSUNCOR ENERGY INC NEWSOLD OUT132.0K0$8M$0
CNRCANADIAN NATL RY COSOLD OUT53.4K0$7M$0
FTSFORTIS INCSOLD OUT86.0K0$6M$0
EMAEMERA INCSOLD OUT66.5K0$4M$0
TACTRANSALTA CORPSOLD OUT122.0K0$2M$0
SOBOSOUTH BOW CORPSOLD OUT46.5K0$2M$0

Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.

Holdings — Q1 2026

16 positions
#IssuerClass% PortfolioValueShares
1EPDENTERPRISE PRODS PARTNERS Lhistory →COM17.10%$19M495.0K
2MPLXMPLX LPhistory →COM UNIT REP LTD16.88%$18M324.0K
3WMBWILLIAMS COS INChistory →COM16.70%$18M251.4K
4ETENERGY TRANSFER L Phistory →COM UT LTD PTN14.08%$15M799.2K
5OKEONEOK INC NEWhistory →COM11.62%$13M140.8K
6WESWESTERN MIDSTREAM PARTNERS Lhistory →COM UNIT LP INT7.75%$8M206.4K
7PAGPEURPLAINS GP HLDGS L Phistory →LTD PARTNR INT A4.01%$4M181.0K
8HESMHESS MIDSTREAM LPhistory →CL A SHS3.28%$4M92.5K
9KMIKINDER MORGAN INC DELhistory →COM2.72%$3M88.7K
10TRGPTARGA RES CORPhistory →COM2.37%$3M10.3K
11ENBENBRIDGE INCCOM0.77%$839,54915.5K
12PPLPEMBINA PIPELINE CORPCOM0.72%$792,16217.7K
13TRPTC ENERGY CORPCOM0.68%$739,68211.8K
14LNGCHENIERE ENERGY INCCOM NEW0.65%$708,5492.5K
15AMANTERO MIDSTREAM CORPCOM0.35%$385,54816.9K
16CQPCHENIERE ENERGY PARTNERS L PCOM UNIT0.34%$375,5005.8K

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$110M16May 1, 202613F-HRchanges · EDGAR ↗
Q4 2025$173M25Feb 4, 202613F-HRchanges · EDGAR ↗
Q3 2025$183M25Nov 12, 202513F-HRchanges · EDGAR ↗
Q2 2025$180M25Aug 6, 202513F-HRchanges · EDGAR ↗
Q1 2025$183M24May 15, 202513F-HRchanges · EDGAR ↗
Q4 2024$175M24Feb 6, 202513F-HRchanges · EDGAR ↗
Q3 2024$164M23Oct 31, 202413F-HRchanges · EDGAR ↗
Q2 2024$156M23Jul 30, 202413F-HRchanges · EDGAR ↗
Q1 2024$155M23May 1, 202413F-HRchanges · EDGAR ↗
Q4 2023$141M23Jan 25, 202413F-HRchanges · EDGAR ↗
Q3 2023$136M23Nov 2, 202313F-HRchanges · EDGAR ↗
Q2 2023$137M24Aug 9, 202313F-HRchanges · EDGAR ↗
Q1 2023$136M24May 10, 202313F-HRchanges · EDGAR ↗
Q4 2022$159M27Feb 10, 202313F-HRchanges · EDGAR ↗
Q3 2022$139M24Oct 27, 202213F-HRchanges · EDGAR ↗
Q2 2022$143M24Aug 5, 202213F-HRchanges · EDGAR ↗
Q1 2022$155M25Apr 29, 202213F-HRchanges · EDGAR ↗
Q4 2021$132M25Feb 3, 202213F-HRchanges · EDGAR ↗
Q3 2021$130M24Oct 27, 202113F-HRchanges · EDGAR ↗
Q2 2021$114M24Aug 4, 202113F-HRchanges · EDGAR ↗
Q1 2021$120M24Apr 29, 202113F-HRchanges · EDGAR ↗
Q4 2020$120M25Feb 10, 202113F-HRchanges · EDGAR ↗
Q3 2020$97M25Nov 10, 202013F-HRchanges · EDGAR ↗
Q2 2020$106M24Jul 24, 202013F-HRchanges · EDGAR ↗
Q1 2020$84M23May 8, 202013F-HRchanges · EDGAR ↗
Q4 2019$154M25Jan 31, 202013F-HRchanges · EDGAR ↗
Q3 2019$155M27Nov 8, 201913F-HRchanges · EDGAR ↗
Q2 2019$165M27Aug 13, 201913F-HRchanges · EDGAR ↗
Q1 2019$180M28Apr 30, 201913F-HRchanges · EDGAR ↗
Q4 2018$154M29Feb 12, 201913F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.