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Asset manager

BAMCO Inc

13F for the quarter to June 30, 2026, filed August 14, 2026 · SEC CIK 1017918

Reported value
$66.6bn
99% in companies we cover
Positions we cover
328
Largest SPCX 37.4%
Copy, a year
+12.9%
S&P 500 +14.1%
Copy Sharpe ratio
0.60
S&P 500 0.78

How copying its 13F would have done

$10.0k$20.0k$40.0k 2013201520172019202120232025 $57.0k$49.9k
CopyS&P 500 $10,000 copying BAMCO Inc's filed holdings in companies we cover from August 16, 2013, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −38.7% (S&P 500 −31.8%); beta 1.17; alpha −2.2% a year (t = −0.89); last 12 months +1.6% against +12.1%.

Reported value by quarter

BAMCO Inc: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).
$0 $10T $20T $30T Reported value, 2013-06-30: $19.2B Reported value, 2013-09-30: $21.8B Reported value, 2013-12-31: $24.1B Reported value, 2014-03-31: $24.5B Reported value, 2014-06-30: $25.2B Reported value, 2014-09-30: $24.1B Reported value, 2014-12-31: $24.9B Reported value, 2015-03-31: $25.8B Reported value, 2015-06-30: $25.4B Reported value, 2015-09-30: $22.1B Reported value, 2015-12-31: $21.6B Reported value, 2016-03-31: $18.9B Reported value, 2016-06-30: $18.8B Reported value, 2016-09-30: $18.9B Reported value, 2016-12-31: $17.8B Reported value, 2017-03-31: $18.9B Reported value, 2017-06-30: $19.6B Reported value, 2017-09-30: $21.1B Reported value, 2017-12-31: $21.7B Reported value, 2018-03-31: $21.7B Reported value, 2018-06-30: $22.9B Reported value, 2018-09-30: $24.1B Reported value, 2018-12-31: $19.8B Reported value, 2019-03-31: $23.6B Reported value, 2019-06-30: $24.9B Reported value, 2019-09-30: $24.3B Reported value, 2019-12-31: $26.2B Reported value, 2020-03-31: $20.4B Reported value, 2020-06-30: $27.7B Reported value, 2020-09-30: $32.6B Reported value, 2020-12-31: $40.4B Reported value, 2021-03-31: $40.6B Reported value, 2021-06-30: $43.7B Reported value, 2021-09-30: $44.1B Reported value, 2021-12-31: $47.1B Reported value, 2022-03-31: $40.7B Reported value, 2022-06-30: $31.1B Reported value, 2022-09-30: $31B Reported value, 2022-12-31: $29.8T Reported value, 2023-03-31: $33.3B Reported value, 2023-06-30: $36.1B Reported value, 2023-09-30: $34.4B Reported value, 2023-12-31: $37.5B Reported value, 2024-03-31: $37.5B Reported value, 2024-06-30: $34.9B Reported value, 2024-09-30: $37.7B Reported value, 2024-12-31: $38.7B Reported value, 2025-03-31: $34B Reported value, 2025-06-30: $36.9B Reported value, 2025-09-30: $37.7B Reported value, 2025-12-31: $36.9B Reported value, 2026-03-31: $33.1B Reported value, 2026-06-30: $66.6B 2013-06-30 2016-03-31 2018-12-31 2021-09-30 2026-06-30 $66.6B
View chart data
Period Reported value
2013-06-30 $19.2B
2013-09-30 $21.8B
2013-12-31 $24.1B
2014-03-31 $24.5B
2014-06-30 $25.2B
2014-09-30 $24.1B
2014-12-31 $24.9B
2015-03-31 $25.8B
2015-06-30 $25.4B
2015-09-30 $22.1B
2015-12-31 $21.6B
2016-03-31 $18.9B
2016-06-30 $18.8B
2016-09-30 $18.9B
2016-12-31 $17.8B
2017-03-31 $18.9B
2017-06-30 $19.6B
2017-09-30 $21.1B
2017-12-31 $21.7B
2018-03-31 $21.7B
2018-06-30 $22.9B
2018-09-30 $24.1B
2018-12-31 $19.8B
2019-03-31 $23.6B
2019-06-30 $24.9B
2019-09-30 $24.3B
2019-12-31 $26.2B
2020-03-31 $20.4B
2020-06-30 $27.7B
2020-09-30 $32.6B
2020-12-31 $40.4B
2021-03-31 $40.6B
2021-06-30 $43.7B
2021-09-30 $44.1B
2021-12-31 $47.1B
2022-03-31 $40.7B
2022-06-30 $31.1B
2022-09-30 $31B
2022-12-31 $29.8T
2023-03-31 $33.3B
2023-06-30 $36.1B
2023-09-30 $34.4B
2023-12-31 $37.5B
2024-03-31 $37.5B
2024-06-30 $34.9B
2024-09-30 $37.7B
2024-12-31 $38.7B
2025-03-31 $34B
2025-06-30 $36.9B
2025-09-30 $37.7B
2025-12-31 $36.9B
2026-03-31 $33.1B
2026-06-30 $66.6B

Holdings and moves

CompanyShare of portfolioValueSharesChange in shares
SPCXSpace Exploration Technologies Corp37.38%$24.9bn145.78MNew
TSLATesla, Inc.7.91%$5.3bn12.52M+5.0% Added
MSCIMSCI2.70%$1.8bn3.21M+19.0% Added
ACGLArch Capital Group2.31%$1.5bn15.87M−5.0% Reduced
HHyatt Hotels Corp2.12%$1.4bn7.28M+14.8% Added
SHOPShopify Inc.1.91%$1.3bn11.16M+136.4% Added
SPOTSpotify Technology S.a.1.68%$1.1bn2.43M+84.4% Added
GWREGuidewire Software, Inc.1.66%$1.1bn8.99M+36.3% Added
SCHWCharles Schwab Corporation1.61%$1.1bn11.66M+56.2% Added
RRRRed Rock Resorts, Inc.1.60%$1.1bn16.39M+22.2% Added
IDXXIdexx Laboratories1.56%$1.0bn1.98M+21.0% Added
CHHChoice Hotels International Inc1.54%$1.0bn9.33M+21.3% Added
ITGartner1.48%$985.2m7.60M+28.4% Added
FDSFactset Research Systems Inc1.45%$966.5m4.20M+11.8% Added
MTNVail Resorts Inc1.33%$890.0m6.54M+29.6% Added
KNSLKinsale Capital Group, Inc.1.32%$878.6m2.66M+31.4% Added
VRSKVerisk Analytics, Inc.1.27%$844.3m4.70M+87.2% Added
BIRKBirkenstock Holding plc0.95%$634.2m14.74M+57.4% Added
FIGSFigs, Inc.0.92%$613.4m59.96M0.0%
CSGPCoStar Group0.92%$612.5m21.63M+32.6% Added
ONONOn Holding AG0.90%$599.7m16.93M+74.3% Added
NVDANVIDIA Corporation0.89%$593.3m2.97M+1.6% Added
MORNMorningstar, Inc.0.82%$545.9m3.50M+360.7% Added
AMZNAmazon0.70%$466.3m1.96M+51.1% Added
IBKRInteractive Brokers0.63%$418.4m4.81M+18.8% Added
VRTVertiv0.49%$328.1m979.8K−17.0% Reduced
TSMTaiwan Semiconductor Manufacturing Co LTD0.48%$318.9m667.7K+4.9% Added
APHAmphenol0.42%$281.8m1.60M−3.7% Reduced
WELLWelltower0.42%$279.6m1.23M−8.4% Reduced
IOTSamsara Inc.0.38%$255.6m7.88M+53.9% Added
ABNBAirbnb0.38%$251.6m1.76M+22.0% Added
SITESiteone Landscape Supply, Inc.0.35%$232.1m2.03M−1.5% Reduced
FPSForgent Power Solutions, Inc.0.34%$227.5m4.07M−12.9% Reduced
PWRQuanta Services0.34%$227.4m315.8K−3.1% Reduced
EQIXEquinix0.31%$203.9m195.6K−19.8% Reduced
LOARLoar Holdings Inc.0.30%$203.4m2.52M+6.6% Added
GOOGLAlphabet Inc. (Class A)0.29%$195.2m546.2K+42.8% Added
AVGOBroadcom0.29%$194.4m514.5K−1.7% Reduced
PRIPrimerica, Inc.0.29%$190.8m671.5K−21.9% Reduced
MTDMettler Toledo0.27%$176.9m138.5K+3.6% Added
LVSLas Vegas Sands0.26%$174.8m3.78M+208.6% Added
LLYLilly (Eli)0.25%$168.6m140.5K+65.2% Added
TOLToll Brothers, Inc.0.25%$166.2m1.01M+8.3% Added
BXDCBlackstone Digital Infrastructure Trust Inc.0.25%$164.8m7.62MNew
NPOEnpro Inc.0.23%$150.6m399.5K+2.0% Added
MRNAModerna0.21%$139.3m1.99MNew
NOVTNovanta Inc0.21%$138.0m850.5K−7.1% Reduced
DDOGDatadog, Inc.0.20%$132.4m508.4K−13.5% Reduced
CBRECBRE Group0.20%$131.9m979.0K−8.9% Reduced
METAMeta Platforms0.20%$131.4m233.3K−9.1% Reduced
LLYVKLiberty Live Holdings, Inc.0.20%$131.0m1.24M−18.7% Reduced
GDSGDS Holdings Ltd0.19%$127.5m4.25M−7.7% Reduced
ARGXArgenx SE0.19%$126.8m136.7K−1.4% Reduced
MACMacerich Co0.19%$125.9m5.00M+22.4% Added
HLIHoulihan Lokey, Inc.0.17%$116.6m869.5K−18.1% Reduced
NETCloudflare, Inc.0.17%$115.7m471.6K+3.1% Added
MTHMeritage Homes Corp0.17%$112.5m1.34MNew
PLDPrologis0.16%$107.1m790.3K−25.8% Reduced
JEFJefferies Financial Group Inc.0.16%$107.0m2.14M+40.0% Added
WMSAdvanced Drainage Systems, Inc.0.16%$106.8m680.4K+133.7% Added
TDGTransDigm Group0.16%$104.6m78.5K−0.2%
INDIIndie Semiconductor, Inc.0.15%$103.3m23.01M−1.4% Reduced
RGENRepligen Corp0.15%$102.1m748.5K+36.5% Added
CRWDCrowdStrike0.14%$96.5m126.4K+14.3% Added
HLTHilton Worldwide0.14%$96.3m291.4K+9.8% Added
JBTMJBT Marel Corp0.14%$95.8m660.6K+0.1%
DKNGDraftkings Inc.0.14%$95.2m3.77M−10.7% Reduced
HTFLHeartflow, Inc.0.14%$94.6m3.23M−15.7% Reduced
CWSTCasella Waste Systems Inc0.14%$93.6m965.2K+34.3% Added
HNGEHinge Health, Inc.0.14%$92.8m1.12M−1.1% Reduced
CGNXCognex Corp0.14%$90.6m1.25M−28.1% Reduced
RBRKRubrik, Inc.0.13%$89.5m1.12M+301.9% Added
BLLNBilliontoone, Inc.0.13%$89.0m742.1K+0.1%
SNOWSnowflake Inc.0.13%$87.0m341.9K−14.2% Reduced
AXONAxon Enterprise0.13%$86.1m153.6K+30.2% Added
GLPIGaming & Leisure Properties, Inc.0.12%$82.1m1.84M−0.1%
MPWRMonolithic Power Systems, Inc.0.12%$81.0m58.6K−7.0% Reduced
MELIMercadolibre Inc0.12%$79.7m47.0K+9.7% Added
HEIHeico Corp0.12%$78.0m219.0K+30.4% Added
RDNTRadnet, Inc.0.12%$77.8m1.26M+55.7% Added
FIGFigma, Inc.0.12%$77.1m4.26M+107.8% Added
PSAPublic Storage0.12%$76.7m241.0K−9.7% Reduced
FWONKLiberty Media Corp0.11%$76.1m800.0K0.0%
BFAMBright Horizons Family Solutions Inc.0.11%$74.8m1.06M−4.3% Reduced
NUNu Holdings Ltd.0.11%$74.8m5.60M+58.6% Added
WINGWingstop Inc.0.11%$74.6m430.2K+106.8% Added
MRCYMercury Systems Inc0.11%$74.2m606.9K−5.9% Reduced
KRMNKarman Holdings Inc.0.11%$72.4m1.45M+13.4% Added
ASMLAsml Holding NV0.11%$72.2m36.3K+1.9% Added
BWINBaldwin Insurance Group, Inc.0.11%$72.1m2.71M+0.1%
BABAAlibaba Group Holding Ltd0.11%$71.1m740.5K+16.5% Added
MIRMirion Technologies, Inc.0.10%$70.0m3.91M+221.8% Added
BXBlackstone Inc.0.10%$69.6m591.2K+525.0% Added
CRHCRH plc0.10%$69.5m649.9K−12.1% Reduced
AAONAAON, Inc.0.10%$69.1m544.4K−35.5% Reduced
DTDynatrace, Inc.0.10%$68.9m1.57M−27.3% Reduced
HQYHealthequity, Inc.0.10%$67.8m750.4K0.0%
WYNNWynn Resorts0.10%$67.2m692.3K−60.1% Reduced
ICLRIcon PLC0.10%$65.5m376.8K−11.7% Reduced
CBRSCerebras Systems Inc.0.10%$65.2m295.0KNew
VMCVulcan Materials Company0.10%$64.4m218.4K+42.0% Added
FBINFortune Brands Innovations, Inc.0.10%$63.6m1.16MNew
FAFirst Advantage Corp0.10%$63.2m3.50M−6.6% Reduced
DRVNDriven Brands Holdings Inc.0.09%$62.8m4.50M+0.1%
PCORProcore Technologies, Inc.0.09%$62.1m1.53M+2.0% Added
VVisa Inc.0.09%$61.8m180.1K0.0%
MSGSMadison Square Garden Sports Corp.0.09%$60.3m150.1K−9.0% Reduced
TXRHTexas Roadhouse, Inc.0.09%$60.1m311.3K−1.4% Reduced
WSTWest Pharmaceutical Services0.09%$58.9m164.2K−17.8% Reduced
ROPRoper Technologies0.09%$58.9m173.9K−6.6% Reduced
PENNPenn Entertainment, Inc.0.09%$58.6m2.74M+31.2% Added
HDThe Home Depot0.09%$58.2m165.1K+8155.2% Added
SHAKShake Shack Inc.0.09%$58.0m1.04MNew
LYVLive Nation Entertainment0.09%$56.6m309.0K+4.2% Added
PLNTPlanet Fitness, Inc.0.08%$56.1m1.08M−10.4% Reduced
LRCXLam Research0.08%$56.0m129.3K+10.8% Added
CDNACaredx, Inc.0.08%$55.2m1.94M−41.9% Reduced
PRMBPrimo Brands Corp0.08%$54.0m2.21M+1.1% Added
KTOSKratos Defense & Security Solutions, Inc.0.08%$53.7m1.08M+50.7% Added
TEMTempus AI, Inc.0.08%$52.4m904.3K+0.6% Added
AEISAdvanced Energy Industries Inc0.08%$52.0m139.4K−48.1% Reduced
DPCDPC Holdings PLC0.08%$50.9m1.04MNew
INTAIntapp, Inc.0.07%$50.2m1.99M−7.2% Reduced
MUMicron Technology0.07%$50.0m43.3K+1194.7% Added
NTSKNetskope Inc0.07%$50.0m4.57M+19.4% Added
TTANServicetitan, Inc.0.07%$49.9m705.2K−36.7% Reduced
CZRCaesars Entertainment, Inc.0.07%$49.6m1.64M+0.1%
AADXApplied Aerospace & Defense, Inc.0.07%$49.5m2.17MNew
CPNGCoupang, Inc.0.07%$48.3m2.78M−1.1% Reduced
DLRDigital Realty0.07%$46.9m261.1K−46.1% Reduced
JLLJones Lang Lasalle Inc0.07%$46.8m151.0K−37.4% Reduced
MAIRMadison Air Solutions Corp0.07%$45.6m1.17MNew
IBPInstalled Building Products, Inc.0.07%$45.6m198.3K0.0%
ARXSArxis, Inc.0.07%$45.3m982.8KNew
PHMPulteGroup0.07%$45.2m329.7KNew
NEOGNeogen Corp0.07%$45.1m5.02M+0.1%
STVNStevanato Group S.p.a.0.07%$45.1m2.49M−0.2%
LOWLowe's0.07%$43.8m198.7K−3.9% Reduced
ONTOnterris, Inc.0.07%$43.2m2.14M−1.4% Reduced
XPXP Inc.0.06%$42.8m2.63M−1.5% Reduced
ROLRollins, Inc.0.06%$41.9m1.00M+0.5% Added
BYDBoyd Gaming Corp0.06%$41.2m466.3K+485.0% Added
MAMastercard0.06%$40.9m79.7K−0.1%
LGNLegence Corp.0.06%$40.5m475.5K−61.8% Reduced
ILMNIllumina, Inc.0.06%$39.9m227.1K+3.5% Added
IRMIron Mountain0.06%$39.2m310.7K−40.8% Reduced
TRUTransunion0.06%$39.2m544.0K−15.2% Reduced
VCYTVeracyte, Inc.0.06%$38.2m650.7K−0.7% Reduced
KBHKB Home0.06%$37.5m599.1KNew
ISRGIntuitive Surgical0.06%$37.4m93.9K−3.5% Reduced
CompanyBought (value)Shares
SPCXSpace Exploration Technologies Corp$24.9bn145.78M
SHOPShopify Inc.$735.0m6.44M
SPOTSpotify Technology S.a.$511.3m1.11M
MORNMorningstar, Inc.$427.4m2.74M
VRSKVerisk Analytics, Inc.$393.3m2.19M
SCHWCharles Schwab Corporation$386.7m4.19M
GWREGuidewire Software, Inc.$295.0m2.40M
MSCIMSCI$286.9m512.4K
ONONOn Holding AG$255.6m7.22M
TSLATesla, Inc.$248.7m591.2K
BIRKBirkenstock Holding plc$231.2m5.37M
ITGartner$218.2m1.68M
KNSLKinsale Capital Group, Inc.$209.8m636.2K
MTNVail Resorts Inc$203.3m1.49M
RRRRed Rock Resorts, Inc.$193.8m2.98M

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanySold (value)Shares
WYNNWynn Resorts−$101.4m−1.04M
ACGLArch Capital Group−$81.3m−837.3K
FNDFloor & Decor Holdings, Inc.−$75.6m−1.27M
VRTVertiv−$67.4m−201.3K
LGNLegence Corp.−$65.6m−770.2K
VTRVentas−$63.7m−716.9K
ESTAEstablishment Labs Holdings Inc.−$58.2m−678.1K
PRIPrimerica, Inc.−$53.6m−188.6K
EQIXEquinix−$50.4m−48.3K
AEISAdvanced Energy Industries Inc−$48.2m−129.4K
BMIBadger Meter Inc−$47.6m−312.2K
CAKECheesecake Factory Inc−$43.7m−550.0K
DLRDigital Realty−$40.2m−223.6K
CDNACaredx, Inc.−$39.9m−1.40M
TECHBio-Techne−$39.5m−559.6K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanyValue last quarterShares
BMIBadger Meter Inc$47.6m312.2K
ALKTAlkami Technology, Inc.$36.2m2.31M
SKYChampion Homes, Inc.$34.9m469.8K
VRNSVaronis Systems Inc$26.6m1.24M
SHWSherwin-Williams$22.7m70.8K
ARXAccelerant Holdings$16.1m1.21M
INSPInspire Medical Systems, Inc.$15.4m298.5K
NOWServiceNow$14.0m134.3K
EPRTEssential Properties Realty Trust, Inc.$13.2m434.8K
WIXWix.com Ltd.$12.3m136.1K
SPRYARS Pharmaceuticals, Inc.$10.2m1.27M
AHRAmerican Healthcare Reit, Inc.$9.6m204.2K
CGCarlyle Group Inc.$7.6m157.0K
PDDPDD Holdings Inc.$6.3m61.9K
ADCAgree Realty Corp$6.3m83.3K
VIAVia Transportation, Inc.$5.6m371.0K
AMTAmerican Tower$4.1m23.7K
VKTXViking Therapeutics, Inc.$4.1m125.5K
FVRRFiverr International Ltd.$3.3m327.9K
AMHAmerican Homes 4 Rent$2.6m94.0K
PODDInsulet Corporation$2.4m11.2K
SEISolaris Energy Infrastructure, Inc.$2.2m39.0K
SYKStryker Corporation$1.8m5.5K
ABBVAbbVie$1.7m8.0K
MDLNMedline Inc.$623,00014.0K
KMXCarmax Inc$452,18210.9K
RHIRobert Half Inc.$396,24015.6K
RMBSRambus Inc$267,6393.1K
TEAMAtlassian Corp$125,9211.8K
  • Industrials43.5%
  • Consumer Discretionary21.3%
  • Financials12.7%
  • Technology11.3%
  • Health Care4.6%
  • Real Estate3.3%
  • Communication Services2.7%
  • Materials0.3%
  • Consumer Staples0.1%
  • Utilities0.0%
  • Energy0.0%

Share of the value held in companies we cover, by sector.

PeriodCopy, a yearS&P 500SharpeS&P 500Biggest dropBeta
Whole backtestAugust 16, 2013 to November 2, 2026+12.9%+14.1%0.600.78−38.7%1.17
2018 onwardsJanuary 5, 2018 to November 2, 2026+11.2%+13.9%0.450.66−38.7%1.19
Last three yearsNovember 3, 2023 to November 2, 2026+10.5%+21.8%0.401.16−21.9%1.03
Last yearNovember 7, 2025 to November 2, 2026+3.3%+14.2%0.050.84−16.0%0.99

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.