UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8
Report for the Calendar Year or Quarter Ended:
03-31-2021
Check here if Amendment: ☐ Amendment Number:
This Amendment (Check only one.):☐ is a restatement.
☐ adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:
Heronetta Management, L.P.
Address:
654 MADISON AVENUE
SUITE 1505
NEW YORK, NY 10065
Form 13F File Number:
028-15640

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.


Person Signing this Report on Behalf of Reporting Manager:
Name:
Henry Breck
Title:
Managing Partner
Phone:
212-601-5333


Signature, Place, and Date of Signing:

/s/ Henry Breck
                         [Signature]
New York, NEW YORK
                 [City, State]
04-12-2021
                           [Date]
                          

Report Type (Check only one.):

☒ 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) 

☐ 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) 

☐ 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)


Form 13F Summary Page

Report Summary:

Number of Other Included Managers:
0
Form 13F Information table Entry Total:
24
Form 13F Information table Value Total:
119566
          (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]

  
NONE


UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8
COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
ALGONQUIN PWR UTILS CORPCOM0158571055,077255,000SHSOLE255,000 0 0
BP MIDSTREAM PARTNERS LPUNIT LTD PTNR0556EL1091,612127,300SHSOLE127,300 0 0
CANADIAN NAT RES LTDCOM1363851014,079105,000SHSOLE105,000 0 0
CANADIAN NATL RY COCOM1363751027,00048,000SHSOLE48,000 0 0
CANADIAN PAC RY LTDCOM13645T1008,16017,000SHSOLE17,000 0 0
DCP MIDSTREAM LPCOM UT LTD PTN23311P10073934,100SHSOLE34,100 0 0
ENBRIDGE INCCOM29250N1056,838150,603SHSOLE150,603 0 0
ENERGY TRANSFER LPCOM UT LTD PTN29273V1007,488975,058SHSOLE975,058 0 0
ENTERPRISE PRODS PARTNERS LCOM29379210717,054774,480SHSOLE774,480 0 0
EQUITRANS MIDSTREAM CORPCOM29460010115519,032SHSOLE19,032 0 0
FORTIS INCCOM3495531074,36280,000SHSOLE80,000 0 0
HESS MIDSTREAM LPCL A SHS4281031052,836126,500SHSOLE126,500 0 0
KINDER MORGAN INC DELCOM49456B1011,42285,400SHSOLE85,400 0 0
MAGELLAN MIDSTREAM PRTNRS LPCOM UNIT RP LP5590801069,643222,398SHSOLE222,398 0 0
MPLX LPCOM UNIT REP LTD55336V10010,022391,037SHSOLE391,037 0 0
NUSTAR ENERGY LPUNIT COM67058H10230217,690SHSOLE17,690 0 0
ONEOK INC NEWCOM6826801034,91496,995SHSOLE96,995 0 0
PEMBINA PIPELINE CORPCOM7063271035,481151,000SHSOLE151,000 0 0
PHILLIPS 66 PARTNERS LPCOM UNIT REP INT71854920764020,200SHSOLE20,200 0 0
PLAINS ALL AMERN PIPELINE LUNIT LTD PARTN72650310546050,600SHSOLE50,600 0 0
SUNCOR ENERGY INC NEWCOM8672241073,468132,000SHSOLE132,000 0 0
TC ENERGY CORPCOM87807B1075,739100,550SHSOLE100,550 0 0
WESTERN MIDSTREAM PARTNERS LCOM UNIT LP INT9586691034,924264,891SHSOLE264,891 0 0
WILLIAMS COS INCCOM9694571007,151301,865SHSOLE301,865 0 0