<SEC-DOCUMENT>0001230245-17-000141.txt : 20171114
<SEC-HEADER>0001230245-17-000141.hdr.sgml : 20171114
<ACCEPTANCE-DATETIME>20171114121032
ACCESSION NUMBER:		0001230245-17-000141
CONFORMED SUBMISSION TYPE:	13F-NT
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170930
FILED AS OF DATE:		20171114
DATE AS OF CHANGE:		20171114
EFFECTIVENESS DATE:		20171114

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIPER JAFFRAY COMPANIES
		CENTRAL INDEX KEY:			0001230245
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				300168701
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-NT
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-10776
		FILM NUMBER:		171199658

	BUSINESS ADDRESS:	
		STREET 1:		800 NICOLLET MALL, SUITE 1000
		STREET 2:		MAIL STOP J09S02
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55402
		BUSINESS PHONE:		(612) 303-6000

	MAIL ADDRESS:	
		STREET 1:		800 NICOLLET MALL, SUITE 1000
		STREET 2:		MAIL STOP J09S02
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55402
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-NT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/thirteenffiler" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>13F-NT</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>true</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <filer>
        <credentials>
          <cik>0001230245</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>09-30-2017</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>09-30-2017</reportCalendarOrQuarter>
      <filingManager>
        <name>PIPER JAFFRAY COMPANIES</name>
        <address>
          <com:street1>800 NICOLLET MALL, SUITE 1000</com:street1>
          <com:street2>MAIL STOP J09S02</com:street2>
          <com:city>MINNEAPOLIS</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55402</com:zipCode>
        </address>
      </filingManager>
      <reportType>13F NOTICE</reportType>
      <form13FFileNumber>028-10776</form13FFileNumber>
      <otherManagersInfo>
        <otherManager>
          <form13FFileNumber>028-05637</form13FFileNumber>
          <name>Advisory Research Inc.</name>
        </otherManager>
      </otherManagersInfo>
      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>Ann C. McCague</name>
      <title>Chief Compliance Officer</title>
      <phone>612-303-6359</phone>
      <signature>Ann C. McCague</signature>
      <city>Minneapolis</city>
      <stateOrCountry>MN</stateOrCountry>
      <signatureDate>11-14-2017</signatureDate>
    </signatureBlock>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
