<SEC-DOCUMENT>0001104659-25-066700.txt : 20250709
<SEC-HEADER>0001104659-25-066700.hdr.sgml : 20250709
<ACCEPTANCE-DATETIME>20250709160747
ACCESSION NUMBER:		0001104659-25-066700
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250709
DATE AS OF CHANGE:		20250709

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Adaptive Biotechnologies Corp
		CENTRAL INDEX KEY:			0001478320
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				270907024
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91363
		FILM NUMBER:		251113684

	BUSINESS ADDRESS:	
		STREET 1:		1165 EASTLAKE AVE E
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98109
		BUSINESS PHONE:		206-659-0067

	MAIL ADDRESS:	
		STREET 1:		1165 EASTLAKE AVE E
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Adaptive TCR Corp
		DATE OF NAME CHANGE:	20091209

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Rubric Capital Management LP
		CENTRAL INDEX KEY:			0001687509
		ORGANIZATION NAME:           	
		EIN:				300934659
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		155 EAST 44TH ST, SUITE 1630
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2124181881

	MAIL ADDRESS:	
		STREET 1:		155 EAST 44TH ST, SUITE 1630
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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  <headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <previousAccessionNumber>0001104659-24-117737</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: Rubric Capital Management LP -->
          <cik>0001687509</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>1</amendmentNo>
      <securitiesClassTitle>Common stock, par value $0.0001 per share</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>06/30/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001478320</issuerCik>
        <issuerName>Adaptive Biotechnologies Corporation</issuerName>
        <issuerCusip>00650F109</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>1165 Eastlake Avenue East</com:street1>
          <com:city>Seattle</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98109</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Rubric Capital Management LP</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>6256847.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>6256847.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>6256847.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>4.12</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
      <typeOfReportingPerson>PN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>David Rosen</reportingPersonName>
      <citizenshipOrOrganization>X1</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>6256847.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>6256847.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>6256847.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>4.12</classPercent>
      <typeOfReportingPerson>HC</typeOfReportingPerson>
      <typeOfReportingPerson>IN</typeOfReportingPerson>
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    <items>
      <item1>
        <issuerName>Adaptive Biotechnologies Corporation</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>1165 Eastlake Avenue East Seattle, WA, 98109</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>This statement is filed by:

(i) Rubric Capital Management LP ("Rubric Capital"), the investment adviser to certain investment funds and/or accounts (collectively, the "Rubric Funds") that hold the shares of common stock, par value $0.0001 per share (the "Common Stock") of Adaptive Biotechnologies Corporation, a Washington corporation (the "Issuer") reported herein; and

(ii) David Rosen ("Mr. Rosen"), Managing Member of Rubric Capital Management GP LLC, the general partner of Rubric Capital

The foregoing persons are hereinafter sometimes collectively referred to as the "Reporting Persons."

The filing of this statement should not be construed as an admission that any of the forgoing persons or any Reporting Person is, for the purposes of Section 13 of the Act, the beneficial owner of the Shares reported herein.</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>The address of the principal business office of each of the Reporting Persons is 155 East 44th St, Suite 1630, New York, NY 10017.</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Rubric Capital is a Delaware limited partnership. Mr. Rosen is a citizen of the United States of America.</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
        <typeOfPersonFiling>HC</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>The information required by Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference.

The percentage set forth in Row (11) of the cover page for each of the Reporting Persons and in Item 4(b) is based on the 151,916,722 shares of Common Stock outstanding as of April 24, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2025 filed with the Securities and Exchange Commission on May 1, 2025.</amountBeneficiallyOwned>
        <classPercent>4.12</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons and is incorporated herein by reference.</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each of the Reporting Persons and is incorporated herein by reference.</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each of the Reporting Persons and is incorporated herein by reference.</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each of the Reporting Persons and is incorporated herein by reference.</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>N</notApplicableFlag>
        <classOwnership5PercentOrLess>Y</classOwnership5PercentOrLess>
      </item5>
      <item6>
        <notApplicableFlag>N</notApplicableFlag>
        <ownershipMoreThan5PercentOnBehalfOfAnotherPerson>See Item 2(a).</ownershipMoreThan5PercentOnBehalfOfAnotherPerson>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>Rubric Capital Management LP</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Michael Nachmani</signature>
        <title>Michael Nachmani / Chief Operating Officer</title>
        <date>07/09/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>David Rosen</reportingPersonName>
      <signatureDetails>
        <signature>/s/ David Rosen</signature>
        <title>David Rosen, Individually</title>
        <date>07/09/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
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</DOCUMENT>
</SEC-DOCUMENT>
