SEC FORM 13F-HR

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

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

FORM 13F COVER PAGE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
Report for the Calendar Year or Quarter Ended: 06-30-2018
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: CITIGROUP INC
Address: 388 GREENWICH STREET
NEW YORK, NY  10013
Form 13F File Number: 028-02427
CRD Number (if applicable):
SEC File Number (if applicable):

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: Ronny Ostrow
Title: Assistant Secretary
Phone: 212-559-1000
Signature, Place, and Date of Signing:
Ronny Ostrow Jersey City,  NJ 08-10-2018
[Signature] [City, State] [Date]
Report Type (Check only one.):
X 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: 27
Form 13F Information Table Entry Total: 15,924
Form 13F Information Table Value Total: 108,814,441
(round to nearest dollar)
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.]
No. Name Form 13F File No. CRD No. (if applicable) SEC File No. (if applicable) CIK
1 Citi GSCP Inc. 028-16164     0001607008
2 Citi Overseas Investments Bahamas Inc. 028-10818     0001279226
3 CITIBANAMEX CASA DE BOLSA, S.A. DE C.V., CASA DE BOLSA, INTEGRANTE DEL GRUPO FINANCIERO CITIBANAMEX 028-10815     0001279368
4 Citibank (Switzerland) 028-04289     0000799632
5 Citibank, N.A. 028-04287     0000036684
6 Citibank Canada 028-06215     0000711466
7 Citibank Overseas Investment Corp 028-05347     0001105748
8 Citicorp LLC 028-11520     0001336397
9 Citicorp (Mexico) Holdings LLC 028-10819     0001279128
10 Citicorp Banking Corp 028-04349     0001080104
11 Citicorp Trust Delaware, National Association 028-12382     0001389388
12 Citicorp Trust South Dakota 028-12977     0001426918
13 Citigroup Derivatives Markets Inc. 028-11547     0001345993
14 Citigroup Financial Products Inc. 028-01114     0000700691
15 Citigroup Global Markets Deutschland AG 028-10817     0001279224
16 Citigroup Global Markets Europe Ltd 028-04305     0001080102
17 Citigroup Global Markets Finance Corp & Co. beschrankt haftende KG 028-10821     0001279221
18 Citigroup Global Markets Holdings Inc. 028-01109     0000200245
19 Citigroup Global Markets Inc. 028-00541     0000315030
20 Citigroup Global Markets Ltd 028-04309     0001012467
21 Citigroup Niagra Holdings LLC 028-16171     0001607024
22 COHM Overseas Mexico Holding, S. de R.L. de C.V. 028-14268     0001512730
23 Grupo Financiero Banamex, S.A. de C.V. 028-10816     0000896565
24 IMPULSORA DE FONDOS BANAMEX, S.A. DE C.V., SOCIEDAD OPERADORA DE FONDOS DE INVERSION, INTEGRANTE DEL GRUPO FINANCIERO BANAMEX 028-10822     0001279129
25 TRV Holdings LLC 028-16173     0001607009
26 TRV Investments LLC 028-16174     0001607010
27 Citigroup Inc. 028-02427