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        <PersonNm>Michael P Bolognesi MD</PersonNm>
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        <PersonNm>Karen L Hackett</PersonNm>
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        <PersonNm>James R Ficke MD</PersonNm>
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        <PersonNm>David C Templeman MD</PersonNm>
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      <OtherAssetsOrgGrp>
        <Desc>Charitable Remainder Trust Receivable</Desc>
        <BookValueAmt>3366166</BookValueAmt>
      </OtherAssetsOrgGrp>
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        <Desc>Cash Surrender Value of Life Insurance</Desc>
        <BookValueAmt>1849915</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>Other receivables</Desc>
        <BookValueAmt>14084</BookValueAmt>
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      <TotalBookValueOtherAssetsAmt>5230165</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Due to Orthopaedic Partners</Desc>
        <Amt>675177</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>675177</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>6661451</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>2733888</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>72185</OtherRevenueAmt>
      <RevenueNotReportedAmt>2806073</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3855378</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3855378</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>3451421</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>-56534</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>-56534</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>3507955</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>3507955</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part IV, Line 2b:</FormAndLineReferenceDesc>
        <ExplanationTxt>On behalf of other orthopaedic organizations, the Foundation accepts contributions for which it performs recordkeeping and provides grants requested by those organizations.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>FIN 48 Note from Audited Financial Statements: The Foundation, an Illinois nonprofit corporation, is exempt from income taxes under Section 501(c)(3) of the Internal Revenue Code and applicable state law, except for taxes pertaining to unrelated business income, if any. The Foundation's annual information and income tax returns filed with the federal and state governments are subject to examination generally for three years after they are filed. The Foundation has adopted the requirements for accounting for uncertain tax positions and management has determined that the Foundation was not required to record a liability related to uncertain tax positions as of June 30, 2021.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in cash surrender value of life insurance policies 91,148. Change in charitable remainder trust receivable -18,963.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Orthopaedic partner endowment distribution -56,534.</ExplanationTxt>
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    </IRS990ScheduleD>
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          <AddressLine2Txt>490 Illinois Street 4th Floor</AddressLine2Txt>
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          <AddressLine1Txt>221 North Grand Boulevard</AddressLine1Txt>
          <CityNm>St Louis</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63103</ZIPCd>
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        <RecipientEIN>430654872</RecipientEIN>
        <CashGrantAmt>145803</CashGrantAmt>
        <PurposeOfGrantTxt>Local Bisphosphonate Effect on Recurrence Rate in Giant Cell Tumor of Bone</PurposeOfGrantTxt>
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        <RecipientBusinessName>
          <BusinessNameLine1Txt>Washington University in StLouis</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>Campus Box 1054 One Brookings Drive</AddressLine1Txt>
          <CityNm>St Louis</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>631304862</ZIPCd>
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        <CashGrantAmt>20000</CashGrantAmt>
        <PurposeOfGrantTxt>Mediators of the OA Cascade in the Pre-Arthritic Hip</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Washington University in StLouis</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>Campus Box 1054 One Brookings Drive</AddressLine1Txt>
          <CityNm>St Louis</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>631304862</ZIPCd>
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        <RecipientEIN>430653611</RecipientEIN>
        <CashGrantAmt>20000</CashGrantAmt>
        <PurposeOfGrantTxt>Understanding Barriers to Delivery of Care for Brachial Plexus Injury</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>The Regents of the University of California San Francisco (Contracts &amp; Gra</BusinessNameLine1Txt>
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          <AddressLine2Txt>490 Illinois Street 4th Floor</AddressLine2Txt>
          <CityNm>San Francisco</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94143</ZIPCd>
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        <RecipientEIN>946036493</RecipientEIN>
        <CashGrantAmt>55000</CashGrantAmt>
        <PurposeOfGrantTxt>The Use of Venlafaxine in Reducing Surgical Pain in Total Knee Arthroplasty</PurposeOfGrantTxt>
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          <BusinessNameLine1Txt>Columbia University Medical Center</BusinessNameLine1Txt>
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          <AddressLine1Txt>Sponsored Projects Administration</AddressLine1Txt>
          <AddressLine2Txt>Columbia University 630 West 168th</AddressLine2Txt>
          <CityNm>New York</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10032</ZIPCd>
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        <RecipientEIN>135598093</RecipientEIN>
        <CashGrantAmt>20000</CashGrantAmt>
        <PurposeOfGrantTxt>Inflammation in Rotator Cuff Tear and Repair</PurposeOfGrantTxt>
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        <RecipientBusinessName>
          <BusinessNameLine1Txt>The Board of Trustees of the Leland Stanford Junior University</BusinessNameLine1Txt>
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          <AddressLine2Txt>Broadway Discovery Hall 2nd Floor M</AddressLine2Txt>
          <CityNm>Redwood City</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>940633126</ZIPCd>
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        <RecipientEIN>941156365</RecipientEIN>
        <CashGrantAmt>20000</CashGrantAmt>
        <PurposeOfGrantTxt>RENEWAL: Developing and Testing a Tool for Preference Elicitation in CTS</PurposeOfGrantTxt>
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        <RecipientBusinessName>
          <BusinessNameLine1Txt>Orthopaedic Research and Education Foundation</BusinessNameLine1Txt>
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          <AddressLine1Txt>9400 West Higgins Road Suite 215</AddressLine1Txt>
          <CityNm>Rosemont</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>600184975</ZIPCd>
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        <RecipientEIN>366009467</RecipientEIN>
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        <PurposeOfGrantTxt>Clinical Research Award - Epidemiology, Mechanisms, and Prevention of Sports Injury</PurposeOfGrantTxt>
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          <BusinessNameLine1Txt>The Regents of the University of California Los Angeles</BusinessNameLine1Txt>
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          <AddressLine2Txt>Angeles Office of Contract and Gran</AddressLine2Txt>
          <CityNm>Los Angeles</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>900951406</ZIPCd>
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        <PurposeOfGrantTxt>Targeting Molecules to the Enthesis via Novel Bisphosphonate Chaperones</PurposeOfGrantTxt>
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          <BusinessNameLine1Txt>The Hospital for Special Surgery</BusinessNameLine1Txt>
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          <CityNm>New York</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10021</ZIPCd>
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        <RecipientEIN>131624135</RecipientEIN>
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        <PurposeOfGrantTxt>Epidural Steroids to Reduce Opioid Consumption following Laminectomy</PurposeOfGrantTxt>
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          <BusinessNameLine1Txt>Dartmouth-Hitchcock Clinic</BusinessNameLine1Txt>
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          <AddressLine1Txt>One Medical Center Drive</AddressLine1Txt>
          <CityNm>Lebanon</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03756</ZIPCd>
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        <RecipientEIN>222519596</RecipientEIN>
        <CashGrantAmt>19906</CashGrantAmt>
        <PurposeOfGrantTxt>Characterizing the Microbiome of Native, Aseptic Bilateral Knee Joints</PurposeOfGrantTxt>
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          <BusinessNameLine1Txt>The Hospital for Special Surgery</BusinessNameLine1Txt>
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          <AddressLine1Txt>535 East 70th Street</AddressLine1Txt>
          <CityNm>New York</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10021</ZIPCd>
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        <RecipientEIN>131624135</RecipientEIN>
        <CashGrantAmt>20000</CashGrantAmt>
        <PurposeOfGrantTxt>Effect of Surface Finish on Head-Neck Corrosion in Total Hip Arthroplasty</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>The Regents of the University of California Los Angeles</BusinessNameLine1Txt>
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          <AddressLine2Txt>Angeles Office of Contract and Gran</AddressLine2Txt>
          <CityNm>Los Angeles</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>900951406</ZIPCd>
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        <PurposeOfGrantTxt>Cost-effective analysis of below-knee prostheses for Tanzanian amputees</PurposeOfGrantTxt>
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        <RecipientBusinessName>
          <BusinessNameLine1Txt>University of Rochester</BusinessNameLine1Txt>
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          <AddressLine1Txt>518 Hylan Bldg Box 270140</AddressLine1Txt>
          <CityNm>Rochester</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>146270140</ZIPCd>
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        <RecipientEIN>160743209</RecipientEIN>
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        <PurposeOfGrantTxt>Identification of FGF18 gene regulatory network in hip OA using scRNA-Seq</PurposeOfGrantTxt>
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        <RecipientBusinessName>
          <BusinessNameLine1Txt>The Regents of the University of California Los Angeles</BusinessNameLine1Txt>
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          <CityNm>Los Angeles</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>900951406</ZIPCd>
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        <RecipientEIN>956006143</RecipientEIN>
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        <PurposeOfGrantTxt>BMP Receptor Ligand Traps as a Therapy for Post-traumatic Osteoarthritis</PurposeOfGrantTxt>
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          <CityNm>New York</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
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        <RecipientEIN>131624135</RecipientEIN>
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        <PurposeOfGrantTxt>PRP treatment of the ACL-injured knee to decrease the risk of PTOA</PurposeOfGrantTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Research Grants Committee is responsible for allocating research funding to advance research in the specialty of orthopaedics and is empowered to establish criteria for the allocation and distribution of philanthropic funds to advance research in the specialty of orthopaedics, implement and conduct independent peer review process to select research funding recipients, prepare and distribute necessary promotional information and application forms for research grants and awards and to accept and allocate or decline to allocate, at its sole and absolute discretion, grants and awards for research. One-year grant recipients receive 50% of the funds to start, then 40% after a six-month financial report is received. A final scientific and lay report within 60 days after the grant ends along with a final financial report is required. Once OREF has the final reports the remaining 10% of the funds are released. One-time award/educational grant/lectureship grants receive full payment after they are approved. Documentation is in the file for lectureships, educational programs and awards. Two or three-year grants are paid and spread over the term of the grant. 10% is withheld until all of the reports are received. Multi-year grant recipients submit annual scientific reports which are then reviewed by the original peer review committee member.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Orthopaedic partner endowment distribution -56,534. Change in cash surrender value of life insurance policies 91,148. Change in charitable remainder trust receivable -18,963.</ExplanationTxt>
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      <SupplementalInformationDetail>
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