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
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Report for the Calendar Year or Quarter Ended: 03-31-2022
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: Bain Capital Venture Fund 2012, L.P.
Address: C/O BAIN CAPITAL VENTURE PARTNERS, LLC
JOHN HANCOCK TOWER, 200 CLARENDON ST.
Boston, MA  02116
Form 13F File Number: 028-21921

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: Ajay Agarwal
Title: Managing Director of Bain Capital Venture Investors, LLC
Phone: 617-516-2000
Signature, Place, and Date of Signing:
/s/ Ajay Agarwal BostonMA 05-16-2022
[Signature] [City, State] [Date]
The report on Form 13F for the period ended March 31, 2022 for Bain Capital Venture Fund 2012, L.P. (the "Fund") is being filed by Bain Capital Venture Investors, LLC, which is the general partner of Bain Capital Venture Partners 2012, L.P., which is the general partner of the Fund.
Report Type (Check only one.):
   13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
X 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).)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name
28-13588 Bain Capital Venture Investors, LLC
28-21923 Bain Capital Venture Partners 2012, L.P.