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Loomis Sayles & Co L P

13F filer · CIK 0000312348
Reported Aug 14, 2026
Net seller this quarter
13F portfolio value$79.8BU.S. long equity reported on 13F
Positions63258 new · 60 closed
Net flow last quarter-$1.48BBuys minus sells
Top 10 positions weight53.0%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Aug 14, 2026632 positions
NVDANvidia Corp$7.9B9.91%0.16%-3.6%Q2 2015
GOOGLAlphabet Inc.$6.15B7.71%0.14%-0.7%Q4 2015
TSLATesla, Inc.$5.33B6.68%0.32%+0.2%Q3 2013
AMZNAmazon Com Inc$4.36B5.46%0.17%-0.2%Q3 2013
METAMeta Platforms, Inc.$4.23B5.30%Not reported+0.7%Q3 2013
VVisa Inc.$3.13B3.92%0.49%-1.6%Q3 2013
BABoeing Co$3.01B3.78%1.77%-1.0%Q3 2015
MSFTMicrosoft Corp$2.9B3.64%0.10%+28.3%Q3 2013
NFLXNetflix Inc$2.86B3.58%0.96%+5.4%Q3 2013
ORCLOracle Corp$2.45B3.07%0.58%-0.8%Q3 2013
MNSTMonster Beverage Corp$2.39B2.99%2.54%-4.1%Q3 2013
VRTXVertex Pharmaceuticals Inc / Ma$1.95B2.44%1.55%-2.1%Q3 2013
SHOPShopify Inc.$1.65B2.06%3.67%0.0%Q2 2021
DISWalt Disney Co$1.31B1.64%0.78%-3.0%Q2 2016
ADSKAutodesk, Inc.$1.23B1.54%3.00%+10.4%Q3 2013
REGNRegeneron Pharmaceuticals, Inc.$1.16B1.45%1.97%-2.8%Q3 2013
CRMSalesforce, Inc.$1.01B1.27%0.79%+6.5%Q1 2020
GOOGAlphabet Inc.$960M1.20%Not reported-4.6%Q4 2015
SBUXStarbucks Corp$933M1.17%0.80%-2.6%Q3 2013
EXPDExpeditors International of Washington Inc$896M1.12%4.23%-2.1%Q3 2013
NVONovo Nordisk A S$891M1.12%Not reported+9.3%Q1 2014
DEDeere & Co$867M1.09%0.51%-0.5%Q3 2013
NVSNovartis AG$821M1.03%0.27%-3.4%Q3 2013
SEICSei Investments Co$744M0.93%7.07%-1.7%Q3 2013
TMOThermo Fisher Scientific Inc.$659M0.83%0.36%-3.6%Q3 2013
ISRGIntuitive Surgical Inc$659M0.83%0.47%-2.6%Q4 2013
BKNGBooking Holdings Inc.$609M0.76%0.44%+11.1%Q1 2018
YUMYum Brands Inc$587M0.74%1.33%-1.8%Q1 2014
XYZBlock, Inc.$558M0.70%Not reported-1.1%Q1 2016
MAMastercard Inc$373M0.47%0.06%+18.0%Q3 2013
ILMNIllumina, Inc.$340M0.43%1.28%-34.4%Q2 2017
SPGIS&P Global Inc.$331M0.42%0.28%+20.7%Q2 2016
FDSFactset Research Systems Inc$331M0.42%4.05%-2.6%Q3 2013
AVGOBroadcom Inc.$329M0.41%0.02%+1283.8%Q4 2017
NKENIKE, Inc.$320M0.40%0.46%-1.5%Q4 2015
TTTrane Technologies plc$291M0.36%0.27%+16.6%Q1 2020
WDAYWorkday, Inc.$281M0.35%1.04%+10.4%Q1 2020
ARMArm Holdings PLC$278M0.35%0.07%-8.7%Q3 2023
CMICummins Inc$254M0.32%0.26%+6.1%Q2 2015
TSMTaiwan Semiconductor Manufacturing Co Ltd$232M0.29%0.00%-25.7%Q1 2020
KLACKla Corp$232M0.29%0.06%-38.4%Q3 2013
MELIMercadolibre Inc$211M0.26%0.25%+36.4%Q3 2013
PHParker-Hannifin Corp$204M0.26%0.17%-14.6%Q3 2015
HLTHilton Worldwide Holdings Inc.$201M0.25%0.27%-16.3%Q3 2015
GSGoldman Sachs Group Inc$194M0.24%0.07%-10.2%Q3 2013
BLKBlackRock, Inc.$191M0.24%0.13%-5.3%Q3 2013
JPMJPMorgan Chase & Co$191M0.24%0.02%-9.0%Q3 2013
ORLYO Reilly Automotive Inc$187M0.23%0.25%-3.4%Q3 2013
ALNYAlnylam Pharmaceuticals, Inc.$175M0.22%0.43%+13.3%Q2 2021
COSTCostco Wholesale Corp$167M0.21%0.04%-7.4%Q3 2013
Q1 2026Reported May 14, 2026632 positions
NVDANvidia Corp$7.15B9.61%0.17%+1.6%Q2 2015
GOOGLAlphabet Inc.$4.99B6.71%0.14%+1.2%Q4 2015
TSLATesla, Inc.$4.7B6.33%0.34%0.0%Q3 2013
METAMeta Platforms, Inc.$4.26B5.73%Not reported+0.6%Q3 2013
AMZNAmazon Com Inc$3.82B5.13%0.17%+2.0%Q3 2013
NFLXNetflix Inc$3.65B4.91%0.90%+2.0%Q3 2013
BABoeing Co$2.8B3.77%1.79%-0.7%Q3 2015
VVisa Inc.$2.8B3.76%0.49%+0.4%Q3 2013
ORCLOracle Corp$2.48B3.33%0.59%+3.9%Q3 2013
MSFTMicrosoft Corp$2.24B3.02%0.08%+1.1%Q3 2013
MNSTMonster Beverage Corp$1.88B2.53%2.65%-1.4%Q3 2013
VRTXVertex Pharmaceuticals Inc / Ma$1.79B2.41%1.58%-0.7%Q3 2013
SHOPShopify Inc.$1.71B2.30%3.66%-0.5%Q2 2021
REGNRegeneron Pharmaceuticals, Inc.$1.48B1.99%2.03%-1.1%Q3 2013
ADSKAutodesk, Inc.$1.37B1.85%2.72%-1.0%Q3 2013
DISWalt Disney Co$1.35B1.81%0.79%-1.3%Q2 2016
CRMSalesforce, Inc.$1.13B1.52%0.66%-0.2%Q1 2020
SBUXStarbucks Corp$840M1.13%0.82%-1.1%Q3 2013
NVSNovartis AG$829M1.12%0.28%-2.0%Q3 2013
GOOGAlphabet Inc.$817M1.10%Not reported-1.3%Q4 2015
EXPDExpeditors International of Washington Inc$804M1.08%4.25%-1.4%Q3 2013
ISRGIntuitive Surgical Inc$784M1.05%0.48%-0.9%Q4 2013
DEDeere & Co$774M1.04%0.51%-0.4%Q3 2013
SEICSei Investments Co$677M0.91%7.17%-1.3%Q3 2013
TMOThermo Fisher Scientific Inc.$670M0.90%0.37%-1.1%Q3 2013
NVONovo Nordisk A S$625M0.84%Not reported-0.7%Q1 2014
YUMYum Brands Inc$582M0.78%1.35%-1.2%Q1 2014
QCOMQualcomm Inc$541M0.73%0.40%-1.5%Q3 2013
BKNGBooking Holdings Inc.$517M0.70%0.39%+6096.5%Q1 2018
XYZBlock, Inc.$447M0.60%Not reported-1.3%Q1 2016
NKENIKE, Inc.$419M0.56%0.46%-0.5%Q4 2015
ILMNIllumina, Inc.$363M0.49%1.92%-29.5%Q2 2017
FDSFactset Research Systems Inc$321M0.43%4.06%-1.2%Q3 2013
MAMastercard Inc$307M0.41%0.05%+4.9%Q3 2013
SPGIS&P Global Inc.$287M0.39%0.23%+6.0%Q2 2016
PYPLPayPal Holdings, Inc.$286M0.39%0.71%-1.5%Q3 2016
WDAYWorkday, Inc.$270M0.36%0.95%-0.8%Q1 2020
TSMTaiwan Semiconductor Manufacturing Co Ltd$221M0.30%0.00%-16.9%Q1 2020
HLTHilton Worldwide Holdings Inc.$221M0.30%0.32%-19.8%Q3 2015
PHParker-Hannifin Corp$219M0.29%0.19%-37.4%Q3 2015
TTTrane Technologies plc$211M0.28%0.23%+6.0%Q1 2020
YUMCYum China Holdings, Inc.$209M0.28%1.22%-0.5%Q4 2016
BLKBlackRock, Inc.$202M0.27%0.13%-23.7%Q3 2013
ORLYO Reilly Automotive Inc$195M0.26%0.25%-12.9%Q3 2013
COSTCostco Wholesale Corp$192M0.26%0.04%-8.8%Q3 2013
JPMJPMorgan Chase & Co$188M0.25%0.02%-9.6%Q3 2013
KLACKla Corp$184M0.25%0.10%-9.7%Q3 2013
CMICummins Inc$181M0.24%0.24%-33.3%Q2 2015
GSGoldman Sachs Group Inc$180M0.24%0.07%-14.3%Q3 2013
ALNYAlnylam Pharmaceuticals, Inc.$169M0.23%0.39%+4.8%Q2 2021
Q4 2025Reported Feb 12, 2026606 positions
NVDANvidia Corp$7.52B9.07%0.17%-1.4%Q2 2015
TSLATesla, Inc.$5.69B6.86%0.34%-0.7%Q3 2013
GOOGLAlphabet Inc.$5.37B6.47%0.14%-0.2%Q4 2015
METAMeta Platforms, Inc.$4.89B5.89%Not reported-0.4%Q3 2013
AMZNAmazon Com Inc$4.15B5.00%0.17%-1.5%Q3 2013
NFLXNetflix Inc$3.49B4.21%0.88%+0.2%Q3 2013
VVisa Inc.$3.23B3.90%0.49%-0.4%Q3 2013
ORCLOracle Corp$3.16B3.81%0.56%-1.4%Q3 2013
BABoeing Co$3.07B3.71%1.40%-1.5%Q3 2015
MSFTMicrosoft Corp$2.9B3.50%0.08%-1.7%Q3 2013
SHOPShopify Inc.$2.33B2.81%3.68%-2.3%Q2 2021
MNSTMonster Beverage Corp$2.01B2.43%2.69%-2.4%Q3 2013
VRTXVertex Pharmaceuticals Inc / Ma$1.83B2.20%1.59%-2.2%Q3 2013
ADSKAutodesk, Inc.$1.72B2.07%2.73%-2.3%Q3 2013
DISWalt Disney Co$1.61B1.95%0.79%-2.4%Q2 2016
CRMSalesforce, Inc.$1.61B1.94%0.65%-3.0%Q1 2020
REGNRegeneron Pharmaceuticals, Inc.$1.49B1.80%2.05%-2.3%Q3 2013
ISRGIntuitive Surgical Inc$972M1.17%0.48%-2.3%Q4 2013
GOOGAlphabet Inc.$906M1.09%Not reported-6.6%Q4 2015
NVONovo Nordisk A S$872M1.05%Not reported+6.0%Q1 2014
EXPDExpeditors International of Washington Inc$848M1.02%4.25%-2.4%Q3 2013
TMOThermo Fisher Scientific Inc.$799M0.96%0.37%-2.4%Q3 2013
SBUXStarbucks Corp$798M0.96%0.83%-2.5%Q3 2013
NVSNovartis AG$763M0.92%0.29%-2.3%Q3 2013
QCOMQualcomm Inc$729M0.88%0.40%-10.7%Q3 2013
SEICSei Investments Co$717M0.86%7.15%-2.6%Q3 2013
DEDeere & Co$643M0.77%0.51%-3.1%Q3 2013
YUMYum Brands Inc$573M0.69%1.36%-2.3%Q1 2014
ILMNIllumina, Inc.$547M0.66%2.73%-2.7%Q2 2017
NKENIKE, Inc.$507M0.61%0.47%+21.0%Q4 2015
XYZBlock, Inc.$490M0.59%Not reported-2.6%Q1 2016
WDAYWorkday, Inc.$450M0.54%0.95%-2.4%Q1 2020
FDSFactset Research Systems Inc$434M0.52%4.03%-2.5%Q3 2013
PYPLPayPal Holdings, Inc.$375M0.45%0.70%-2.7%Q3 2016
PHParker-Hannifin Corp$343M0.41%0.31%-4.3%Q3 2015
MAMastercard Inc$335M0.40%0.05%-4.4%Q3 2013
SPGIS&P Global Inc.$332M0.40%0.21%-5.3%Q2 2016
BLKBlackRock, Inc.$294M0.35%0.18%-4.2%Q3 2013
HLTHilton Worldwide Holdings Inc.$260M0.31%0.39%-4.2%Q3 2015
CMICummins Inc$257M0.31%0.36%-9.6%Q2 2015
TSMTaiwan Semiconductor Manufacturing Co Ltd$239M0.29%0.00%-7.6%Q1 2020
MTDMettler Toledo International Inc/$235M0.28%0.76%-4.2%Q3 2013
HDHome Depot, Inc.$231M0.28%0.07%-5.8%Q3 2013
JPMJPMorgan Chase & Co$228M0.28%0.03%-4.9%Q3 2013
ORLYO Reilly Automotive Inc$221M0.27%0.29%-4.3%Q3 2013
GSGoldman Sachs Group Inc$219M0.26%0.08%-5.7%Q3 2013
YUMCYum China Holdings, Inc.$206M0.25%1.22%-2.4%Q4 2016
ALNYAlnylam Pharmaceuticals, Inc.$194M0.23%0.37%-2.4%Q2 2021
ROPRoper Technologies Inc$192M0.23%0.41%-4.3%Q3 2013
LINLinde PLC$189M0.23%0.09%-9.3%Q1 2019
Q3 2025Reported Nov 13, 2025620 positions
NVDANvidia Corp$7.63B9.08%0.17%-2.5%Q2 2015
TSLATesla, Inc.$5.67B6.74%0.38%-1.3%Q3 2013
METAMeta Platforms, Inc.$5.46B6.50%Not reported-1.2%Q3 2013
ORCLOracle Corp$4.62B5.50%0.58%-2.9%Q3 2013
NFLXNetflix Inc$4.46B5.30%0.88%-0.5%Q3 2013
GOOGLAlphabet Inc.$4.18B4.97%0.14%-1.3%Q4 2015
AMZNAmazon Com Inc$4.01B4.76%0.17%-5.3%Q3 2013
VVisa Inc.$3.16B3.76%0.49%+2.7%Q3 2013
MSFTMicrosoft Corp$3.16B3.76%0.08%-1.2%Q3 2013
BABoeing Co$3.1B3.69%1.90%+0.3%Q3 2015
SHOPShopify Inc.$2.2B2.62%3.77%+1.3%Q2 2021
ADSKAutodesk, Inc.$1.88B2.24%2.78%+1.7%Q3 2013
MNSTMonster Beverage Corp$1.81B2.15%2.75%+1.7%Q3 2013
DISWalt Disney Co$1.66B1.98%0.76%+1.3%Q2 2016
VRTXVertex Pharmaceuticals Inc / Ma$1.61B1.92%1.62%+8.1%Q3 2013
CRMSalesforce, Inc.$1.48B1.76%0.66%-0.2%Q1 2020
REGNRegeneron Pharmaceuticals, Inc.$1.11B1.32%2.10%+2.0%Q3 2013
NVONovo Nordisk A S$897M1.07%Not reported+28.5%Q1 2014
SBUXStarbucks Corp$823M0.98%0.86%+1.4%Q3 2013
QCOMQualcomm Inc$794M0.94%0.44%-0.3%Q3 2013
ISRGIntuitive Surgical Inc$785M0.93%0.49%+1.6%Q4 2013
SEICSei Investments Co$762M0.91%7.32%+1.5%Q3 2013
GOOGAlphabet Inc.$752M0.89%Not reported-6.2%Q4 2015
NVSNovartis AG$726M0.86%0.29%+1.5%Q3 2013
EXPDExpeditors International of Washington Inc$715M0.85%4.35%+1.6%Q3 2013
TMOThermo Fisher Scientific Inc.$685M0.81%0.38%-0.1%Q3 2013
DEDeere & Co$652M0.77%0.53%+2.8%Q3 2013
YUMYum Brands Inc$589M0.70%1.40%+0.8%Q1 2014
XYZBlock, Inc.$558M0.66%Not reported+1.7%Q1 2016
WDAYWorkday, Inc.$517M0.61%0.98%+1.8%Q1 2020
NKENIKE, Inc.$459M0.55%0.38%+0.9%Q4 2015
PYPLPayPal Holdings, Inc.$443M0.53%0.70%+1.2%Q3 2016
FDSFactset Research Systems Inc$439M0.52%4.07%+1.6%Q3 2013
ILMNIllumina, Inc.$407M0.48%2.79%+1.5%Q2 2017
MAMastercard Inc$349M0.42%0.05%-0.9%Q3 2013
BLKBlackRock, Inc.$334M0.40%0.18%+11.4%Q3 2013
SPGIS&P Global Inc.$327M0.39%0.22%-1.1%Q2 2016
PHParker-Hannifin Corp$309M0.37%0.32%+5.8%Q3 2015
HDHome Depot, Inc.$289M0.34%0.07%+21.0%Q3 2013
ORLYO Reilly Automotive Inc$273M0.32%0.30%-1.1%Q3 2013
HLTHilton Worldwide Holdings Inc.$245M0.29%0.41%+52.6%Q3 2015
TSMTaiwan Semiconductor Manufacturing Co Ltd$238M0.28%0.00%-4.1%Q1 2020
CMICummins Inc$235M0.28%0.40%-1.1%Q2 2015
JPMJPMorgan Chase & Co$235M0.28%0.03%-3.6%Q3 2013
LINLinde PLC$232M0.28%0.10%-1.1%Q1 2019
ALNYAlnylam Pharmaceuticals, Inc.$228M0.27%0.38%+2.7%Q2 2021
ROPRoper Technologies Inc$225M0.27%0.42%+4.5%Q3 2013
MELIMercadolibre Inc$218M0.26%0.18%+7.5%Q3 2013
MTDMettler Toledo International Inc/$216M0.26%0.86%-1.1%Q3 2013
GSGoldman Sachs Group Inc$210M0.25%0.09%-3.9%Q3 2013
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