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Bamco Inc

13F filer · CIK 0001017918
Reported Aug 14, 2026
Net buyer this quarter
13F portfolio value$66.6BU.S. long equity reported on 13F
Positions34351 new · 34 closed
Net flow last quarter+$31BBuys minus sells
Top 10 positions weight60.9%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Aug 14, 2026343 positions
SPCXSpace Exploration Technologies Corp$24.9B37.38%Not reportedNewQ2 2026
TSLATesla, Inc.$5.27B7.90%0.32%+5.0%Q1 2014
MSCIMSCI Inc.$1.8B2.70%4.42%+19.0%Q2 2013
ACGLArch Capital Group Ltd.$1.54B2.31%4.54%-5.0%Q2 2013
HHyatt Hotels Corp$1.41B2.12%Not reported+14.8%Q2 2013
SHOPShopify Inc.$1.27B1.91%2.84%+136.4%Q2 2015
SPOTSpotify Technology S.A.$1.12B1.68%1.18%+84.4%Q2 2018
GWREGuidewire Software, Inc.$1.11B1.66%10.80%+36.3%Q2 2013
SCHWSchwab Charles Corp$1.08B1.61%0.67%+56.2%Q2 2013
RRRRed Rock Resorts, Inc.$1.07B1.60%Not reported+22.2%Q2 2016
IDXXIdexx Laboratories Inc$1.04B1.56%2.51%+21.0%Q2 2013
CHHChoice Hotels International Inc$1.03B1.54%20.65%+21.3%Q2 2013
ITGartner Inc$985M1.48%11.35%+28.5%Q2 2013
FDSFactset Research Systems Inc$967M1.45%11.81%+11.8%Q2 2013
MTNVail Resorts Inc$890M1.34%18.34%+29.6%Q2 2013
KNSLKinsale Capital Group, Inc.$879M1.32%11.70%+31.4%Q4 2016
VRSKVerisk Analytics, Inc.$844M1.27%3.61%+87.2%Q2 2013
BIRKBirkenstock Holding plc$634M0.95%7.85%+57.4%Q4 2023
FIGSFIGS, Inc.$613M0.92%38.82%Not reportedQ2 2021
CSGPCostar Group, Inc.$612M0.92%5.30%+32.6%Q2 2013
ONONOn Holding AG$600M0.90%5.70%+74.3%Q1 2022
NVDANvidia Corp$593M0.89%0.01%+1.6%Q3 2018
MORNMorningstar, Inc.$546M0.82%9.33%+360.7%Q2 2013
AMZNAmazon Com Inc$466M0.70%0.02%+51.1%Q2 2013
IBKRInteractive Brokers Group, Inc.$418M0.63%1.88%+18.8%Q4 2018
VRTVertiv Holdings Co$328M0.49%0.25%-17.0%Q1 2020
TSMTaiwan Semiconductor Manufacturing Co Ltd$319M0.48%0.00%+4.9%Q2 2013
APHAmphenol Corp$282M0.42%0.13%-3.7%Q2 2019
WELLWelltower Inc.$280M0.42%0.17%-8.4%Q4 2018
IOTSamsara Inc.$256M0.38%Not reported+54.0%Q2 2024
ABNBAirbnb, Inc.$252M0.38%Not reported+22.0%Q4 2020
SITESiteOne Landscape Supply, Inc.$232M0.35%4.64%-1.5%Q2 2016
FPSForgent Power Solutions, Inc.$227M0.34%Not reported-12.9%Q1 2026
PWRQuanta Services, Inc.$227M0.34%0.21%-3.1%Q1 2023
EQIXEquinix Inc$204M0.31%0.20%-19.8%Q2 2013
LOARLoar Holdings Inc.$203M0.31%2.69%+6.6%Q2 2024
GOOGLAlphabet Inc.$195M0.29%0.00%+42.8%Q3 2015
AVGOBroadcom Inc.$194M0.29%0.01%-1.7%Q1 2022
GOOGAlphabet Inc.$191M0.29%Not reported+289.6%Q3 2015
PRIPrimerica, Inc.$191M0.29%2.17%-21.9%Q2 2013
MTDMettler Toledo International Inc/$177M0.27%0.69%+3.6%Q2 2013
LVSLas Vegas Sands Corp$175M0.26%0.58%+208.6%Q2 2013
LLYELI LILLY & Co$169M0.25%0.01%+65.2%Q2 2022
TOLToll Brothers, Inc.$166M0.25%1.08%+8.3%Q2 2013
BXDCBlackstone Digital Infrastructure Trust Inc.$165M0.25%7.57%NewQ2 2026
NPOEnpro Inc.$151M0.23%1.89%+2.0%Q4 2024
HEI.AHeico Corp$145M0.22%Not reported+34.2%Q1 2018
MRNAModerna, Inc.$139M0.21%0.50%Not reportedQ2 2020
NOVTNovanta Inc$138M0.21%2.39%-7.1%Q2 2017
DDOGDatadog, Inc.$132M0.20%0.65%-13.5%Q3 2019
Q1 2026Reported May 15, 2026326 positions
TSLATesla, Inc.$4.44B13.39%0.32%+0.1%Q1 2014
ACGLArch Capital Group Ltd.$1.6B4.84%4.70%-7.1%Q2 2013
MSCIMSCI Inc.$1.45B4.39%3.70%-2.1%Q2 2013
GWREGuidewire Software, Inc.$987M2.98%7.79%+28.2%Q2 2013
ITGartner Inc$937M2.83%8.40%+40.5%Q2 2013
IDXXIdexx Laboratories Inc$918M2.77%2.06%-9.2%Q2 2013
HHyatt Hotels Corp$912M2.75%Not reported+3.9%Q2 2013
FIGSFIGS, Inc.$886M2.67%38.82%Not reportedQ2 2021
FDSFactset Research Systems Inc$815M2.46%10.31%+30.0%Q2 2013
CHHChoice Hotels International Inc$796M2.40%16.86%+4.1%Q2 2013
RRRRed Rock Resorts, Inc.$716M2.16%Not reported+7.1%Q2 2016
SCHWSchwab Charles Corp$701M2.12%0.43%+5.7%Q2 2013
KNSLKinsale Capital Group, Inc.$693M2.09%8.79%+13.8%Q4 2016
CSGPCostar Group, Inc.$658M1.99%3.89%-16.3%Q2 2013
MTNVail Resorts Inc$647M1.95%14.15%+4.9%Q2 2013
SPOTSpotify Technology S.A.$640M1.93%0.64%+32.3%Q2 2018
SHOPShopify Inc.$560M1.69%1.20%+106.2%Q2 2015
NVDANvidia Corp$509M1.54%0.01%-2.3%Q3 2018
VRSKVerisk Analytics, Inc.$477M1.44%1.92%+92.8%Q2 2013
BIRKBirkenstock Holding plc$336M1.01%4.99%+17.6%Q4 2023
ONONOn Holding AG$330M1.00%3.27%+79.7%Q1 2022
VRTVertiv Holdings Co$296M0.89%0.31%-23.6%Q1 2020
SITESiteOne Landscape Supply, Inc.$274M0.83%4.65%+1.5%Q2 2016
IBKRInteractive Brokers Group, Inc.$271M0.82%1.58%-12.8%Q4 2018
AMZNAmazon Com Inc$270M0.81%0.01%+5.7%Q2 2013
WELLWelltower Inc.$266M0.80%0.19%+5.3%Q4 2018
EQIXEquinix Inc$239M0.72%0.25%+67.8%Q2 2013
PRIPrimerica, Inc.$215M0.65%2.78%-24.1%Q2 2013
TSMTaiwan Semiconductor Manufacturing Co Ltd$215M0.65%0.00%+0.3%Q2 2013
APHAmphenol Corp$210M0.63%0.14%-3.0%Q2 2019
GDSGDS Holdings Ltd$185M0.56%0.49%+21.5%Q1 2018
ABNBAirbnb, Inc.$182M0.55%Not reported+63.8%Q4 2020
PWRQuanta Services, Inc.$179M0.54%0.22%-0.7%Q1 2023
WYNNWynn Resorts Ltd$176M0.53%1.67%+42.4%Q2 2013
MTDMettler Toledo International Inc/$169M0.51%0.66%-8.7%Q2 2013
IOTSamsara Inc.$162M0.49%Not reported+24.3%Q2 2024
AVGOBroadcom Inc.$162M0.49%0.01%-2.7%Q1 2022
HLIHoulihan Lokey, Inc.$152M0.46%180.55%-5.6%Q4 2017
METAMeta Platforms, Inc.$147M0.44%Not reported-5.0%Q2 2013
CBRECbre Group, Inc.$146M0.44%0.37%-21.0%Q2 2013
LLYVKLiberty Live Holdings, Inc.$144M0.43%Not reported-5.5%Q3 2023
PLDPrologis, Inc.$141M0.43%0.11%-3.9%Q4 2014
FPSForgent Power Solutions, Inc.$137M0.41%Not reportedNewQ1 2026
LOARLoar Holdings Inc.$136M0.41%2.53%+11.6%Q2 2024
MORNMorningstar, Inc.$128M0.39%2.00%-38.8%Q2 2013
TOLToll Brothers, Inc.$127M0.38%0.98%-20.1%Q2 2013
BNBROOKFIELD Corp$118M0.35%Not reported-20.1%Q4 2022
GOOGLAlphabet Inc.$110M0.33%0.00%+142.9%Q3 2015
NOVTNovanta Inc$108M0.33%2.56%-2.3%Q2 2017
KRMNKarman Holdings Inc.$102M0.31%0.97%-33.2%Q1 2025
Q4 2025Reported Feb 17, 2026324 positions
TSLATesla, Inc.$5.36B14.53%0.32%-0.2%Q1 2014
ACGLArch Capital Group Ltd.$1.73B4.67%5.01%-4.1%Q2 2013
MSCIMSCI Inc.$1.58B4.28%3.74%+15.1%Q2 2013
CSGPCostar Group, Inc.$1.31B3.55%4.67%+1.3%Q2 2013
IDXXIdexx Laboratories Inc$1.22B3.30%2.26%-4.6%Q2 2013
ITGartner Inc$1.06B2.88%5.85%-2.5%Q2 2013
GWREGuidewire Software, Inc.$1.03B2.80%6.05%-0.4%Q2 2013
HHyatt Hotels Corp$979M2.65%Not reported-0.2%Q2 2013
FDSFactset Research Systems Inc$838M2.27%7.79%+58.8%Q2 2013
RRRRed Rock Resorts, Inc.$776M2.10%Not reported+2.0%Q2 2016
SCHWSchwab Charles Corp$705M1.91%0.40%-1.0%Q2 2013
CHHChoice Hotels International Inc$704M1.91%16.06%+37.8%Q2 2013
KNSLKinsale Capital Group, Inc.$697M1.89%7.70%-0.4%Q4 2016
FIGSFIGS, Inc.$681M1.85%38.82%0.0%Q2 2021
MTNVail Resorts Inc$639M1.73%13.44%-15.7%Q2 2013
SPOTSpotify Technology S.A.$579M1.57%0.48%+0.9%Q2 2018
NVDANvidia Corp$557M1.51%0.01%+0.1%Q3 2018
SHOPShopify Inc.$368M1.00%0.58%+0.1%Q2 2015
BIRKBirkenstock Holding plc$326M0.88%4.24%+25.4%Q4 2023
IBKRInteractive Brokers Group, Inc.$299M0.81%1.81%+0.7%Q4 2018
PRIPrimerica, Inc.$293M0.79%3.56%-19.6%Q2 2013
VRSKVerisk Analytics, Inc.$291M0.79%0.94%+6.7%Q2 2013
AMZNAmazon Com Inc$283M0.77%0.01%+13.6%Q2 2013
MORNMorningstar, Inc.$270M0.73%3.12%-12.2%Q2 2013
SITESiteOne Landscape Supply, Inc.$253M0.68%4.57%+3.1%Q2 2016
ONONOn Holding AG$251M0.68%1.82%+13.9%Q1 2022
VRTVertiv Holdings Co$250M0.68%0.40%-25.4%Q1 2020
WELLWelltower Inc.$237M0.64%0.18%+7.6%Q4 2018
APHAmphenol Corp$231M0.63%0.14%-9.5%Q2 2019
CBRECbre Group, Inc.$219M0.59%0.46%-0.3%Q2 2013
MTDMettler Toledo International Inc/$204M0.55%0.66%-30.8%Q2 2013
HLIHoulihan Lokey, Inc.$196M0.53%191.19%-0.6%Q4 2017
TSMTaiwan Semiconductor Manufacturing Co Ltd$193M0.52%0.00%+4.7%Q2 2013
JLLJones Lang Lasalle Inc$190M0.51%1.20%0.0%Q2 2013
CWANClearwater Analytics Holdings, Inc.$189M0.51%Not reported+1.8%Q3 2021
AVGOBroadcom Inc.$186M0.50%0.01%+8.1%Q1 2022
METAMeta Platforms, Inc.$178M0.48%Not reported+1.9%Q2 2013
BNBROOKFIELD Corp$167M0.45%Not reported+0.9%Q4 2022
MSFTMicrosoft Corp$165M0.45%0.00%+1.9%Q4 2017
DKNGDraftKings Inc.$161M0.44%Not reported+13.9%Q2 2020
TOLToll Brothers, Inc.$158M0.43%1.23%+0.8%Q2 2013
BABAAlibaba Group Holding Ltd$157M0.43%0.01%+6.8%Q3 2014
INTAIntapp, Inc.$152M0.41%4.15%+15.5%Q1 2024
WYNNWynn Resorts Ltd$147M0.40%1.17%-8.8%Q2 2013
IOTSamsara Inc.$146M0.40%Not reported+21.9%Q2 2024
LOARLoar Holdings Inc.$144M0.39%2.26%+17.2%Q2 2024
PLDPrologis, Inc.$142M0.38%0.12%+24.4%Q4 2014
KRMNKarman Holdings Inc.$140M0.38%1.45%-19.3%Q1 2025
PWRQuanta Services, Inc.$138M0.38%0.22%-8.1%Q1 2023
RBCRBC Bearings INC$136M0.37%0.93%-7.5%Q4 2014
Q3 2025Reported Nov 14, 2025329 positions
TSLATesla, Inc.$5.31B14.09%0.36%-8.2%Q1 2014
ACGLArch Capital Group Ltd.$1.7B4.51%5.03%-4.9%Q2 2013
CSGPCostar Group, Inc.$1.62B4.31%4.55%-2.2%Q2 2013
MSCIMSCI Inc.$1.36B3.60%3.18%+10.3%Q2 2013
IDXXIdexx Laboratories Inc$1.2B3.19%2.36%-7.3%Q2 2013
GWREGuidewire Software, Inc.$1.19B3.15%6.11%-7.5%Q2 2013
ITGartner Inc$1.14B3.01%5.71%+18.3%Q2 2013
HHyatt Hotels Corp$868M2.30%Not reported+2.7%Q2 2013
MTNVail Resorts Inc$853M2.26%15.89%+4.2%Q2 2013
KNSLKinsale Capital Group, Inc.$761M2.02%7.69%+1.4%Q4 2016
RRRRed Rock Resorts, Inc.$749M1.99%Not reported0.0%Q2 2016
SPOTSpotify Technology S.A.$690M1.83%0.49%+5.5%Q2 2018
SCHWSchwab Charles Corp$681M1.81%0.39%+1.1%Q2 2013
CHHChoice Hotels International Inc$573M1.52%11.58%+7.4%Q2 2013
NVDANvidia Corp$557M1.48%0.01%+3.3%Q3 2018
FDSFactset Research Systems Inc$521M1.38%4.83%-18.5%Q2 2013
FIGSFIGS, Inc.$401M1.06%38.81%-0.1%Q2 2021
PRIPrimerica, Inc.$391M1.04%4.39%-11.4%Q2 2013
SHOPShopify Inc.$340M0.90%0.58%-14.2%Q2 2015
MORNMorningstar, Inc.$328M0.87%3.41%+9.2%Q2 2013
IBKRInteractive Brokers Group, Inc.$317M0.84%1.80%+9.8%Q4 2018
VRTVertiv Holdings Co$312M0.83%0.54%-19.5%Q1 2020
VRSKVerisk Analytics, Inc.$307M0.81%0.88%+0.6%Q2 2013
BIRKBirkenstock Holding plc$288M0.76%3.38%+41.9%Q4 2023
MTDMettler Toledo International Inc/$259M0.69%1.03%-11.5%Q2 2013
SITESiteOne Landscape Supply, Inc.$253M0.67%4.40%+1.3%Q2 2016
GLPIGaming & Leisure Properties, Inc.$240M0.64%1.82%-30.2%Q4 2013
AMZNAmazon Com Inc$237M0.63%0.01%0.0%Q2 2013
APHAmphenol Corp$234M0.62%0.15%0.0%Q2 2019
HLIHoulihan Lokey, Inc.$232M0.62%192.25%-1.4%Q4 2017
CBRECbre Group, Inc.$215M0.57%0.46%-2.8%Q2 2013
WELLWelltower Inc.$211M0.56%0.17%-3.4%Q4 2018
ONONOn Holding AG$201M0.53%1.64%+14.7%Q1 2022
METAMeta Platforms, Inc.$195M0.52%Not reported-2.9%Q2 2013
BABAAlibaba Group Holding Ltd$179M0.48%0.01%+5.9%Q3 2014
KTOSKratos Defense & Security Solutions, Inc.$177M0.47%1.14%-52.7%Q1 2020
MSFTMicrosoft Corp$174M0.46%0.00%+0.2%Q4 2017
WYNNWynn Resorts Ltd$172M0.46%1.29%+0.1%Q2 2013
KRMNKarman Holdings Inc.$171M0.45%1.79%-1.8%Q1 2025
TSMTaiwan Semiconductor Manufacturing Co Ltd$169M0.45%0.00%+4.6%Q2 2013
JLLJones Lang Lasalle Inc$168M0.45%1.20%+8.8%Q2 2013
GDSGDS Holdings Ltd$165M0.44%0.45%+35.0%Q1 2018
BNBROOKFIELD Corp$165M0.44%Not reported-4.3%Q4 2022
AVGOBroadcom Inc.$164M0.44%0.01%-6.1%Q1 2022
TOLToll Brothers, Inc.$160M0.42%1.20%+2.0%Q2 2013
DKNGDraftKings Inc.$154M0.41%Not reported+11.9%Q2 2020
PWRQuanta Services, Inc.$148M0.39%0.24%+0.7%Q1 2023
MELIMercadolibre Inc$146M0.39%0.12%+1.8%Q3 2018
LOARLoar Holdings Inc.$145M0.38%1.93%+165.2%Q2 2024
LLYVKLiberty Live Holdings, Inc.$141M0.38%Not reported+2.9%Q3 2023
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