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: 12-31-2015
Check here if Amendment X Amendment Number: 1
This Amendment (Check only one.): X is a restatement.
   adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: BAIN CAPITAL INVESTORS LLC
Address: JOHN HANCOCK TOWER
200 CLARENDON STREET
BOSTON, MA  02116
Form 13F File Number: 028-11185

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: Michael D. Ward
Title: Managing Director of Bain Capital Investors, LLC
Phone: (617) 516-2000
Signature, Place, and Date of Signing:
/s/ Michael D. Ward BostonMA 03-16-2016
[Signature] [City, State] [Date]
This Amendment No. 1 to form 13F is being filed to replace the prior reporting of FISERV INC shares with the correct holdings of FIDELITY NATL INFORMATION SV shares. All other reported holdings remain unchanged. Bain Capital Investors, LLC is the (i) general partner of Bain Capital Partners X, L.P., which is the general partner of Bain Capital Fund X, L.P. and the holder of all of the Class A shares of Glory Investments B Limited, (ii) general partner of Bain Capital Integral Investors 2008, L.P., (iii) general partner of Bain Capital Partners Europe III, L.P., which is the general partner of Bain Capital Europe Fund III, L.P., which is the sole shareholder of Bain Capital Everest Manager S.a.r.l., which is the general partner of Bain Capital Everest Manager Holding S.C.A., (iv) general partner of Bain Capital Partners VII, L.P., which is the general partner of Bain Capital Fund VII, L.P., (v) general partner of Bain Capital VII Coinvestment Fund, L.P., (vi) general partner of Bain Capital Partners Asia II, L.P., which holds all of the Class A shares of Glory Investments A Limited, (vii) general partner of Bain Capital Partners VIII, L.P., which is the general partner of Bain Capital Fund VIII, L.P., which is the sole member of Bain Capital Fund VIII, LLC, (viii) administrative member of Bain Capital Integral Investors 2006, LLC, and (ix) administrative member of Bain Capital Integral Investors, LLC. Bain Capital Fund VII, L.P. and Bain Capital VII Coinvestment Fund, L.P. have the right to appoint two of the three members of UWW Holdings, LLC's board of managers, which acts by majority vote. Bain Capital Europe Fund III, L.P. and Bain Capital Fund X, L.P. each beneficially own 50% of Atalaya Luxco S.a.r.l., which is the general partner of Atalaya Luxco Topco S.C.A., which wholly owns Atalaya PIKco S.a.r.l., which is the general partner of Atalaya Luxco PIKco SCA.
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: 23
Form 13F Information Table Entry Total: 11
Form 13F Information Table Value Total: 7,166,442
(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.]
No. Form 13F File Number Name
1 028-15506 Bain Capital Partners X, L.P.
2 028-15509 Bain Capital Fund X, L.P.
3 028-15576 Bain Capital Integral Investors 2008, L.P.
4 028-16250 Bain Capital Partners Europe III, L.P.
5 028-16251 Bain Capital Europe Fund III, L.P.
6 028-16255 Bain Capital Everest Manager S.a.r.l.
7 028-16248 Bain Capital Everest Manager Holding SCA
8 028-11660 Bain Capital Partners VII, L.P.
9 028-16799 Bain Capital Fund VII, L.P.
10 028-11661 Bain Capital VII Coinvestment Fund, L.P.
11 028-16331 UWW Holdings, LLC
12 028-14482 Bain Capital Integral Investors 2006, LLC
13 028-16333 Bain Capital Partners Asia II, L.P.
14 028-16334 Glory Investments A Limited
15 028-16335 Glory Investments B Limited
16 028-16793 Atalaya Luxco S.a.r.l.
17 028-16798 Atalaya Luxco Topco S.C.A.
18 028-16792 Atalaya PIKco S.a.r.l.
19 028-16750 Atalaya Luxco PIKco SCA
20 028-13947 Bain Capital Partners VIII, L.P.
21 028-13946 Bain Capital Fund VIII, L.P.
22 028-16896 Bain Capital Fund VIII, LLC
23 028-11659 Bain Capital Integral Investors, LLC