Skip to main content
Livermore
Livermore
ZHEN

Bamco Inc

SEC CIK
0001017918
Latest filing
Aug 14, 2026

Holdings in Q3 2023

Holdings as of Sep 30, 2023, filed Nov 14, 2023. Long positions only; changes compare share counts with Q2 2023.

Institution overview
Positions
334
−9 vs. Q2 2023
Portfolio value
$34.4B
−$1.70B (−4.7%) vs. Q2 2023
Filed
Nov 14, 2023
SEC
Holdings of Bamco Inc in Q3 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
TSLATesla, Inc.Stock17,668,945$4.42B12.8%−27,868−0.2%ReducedHistory
ACGLArch Capital Group Ltd.Stock21,222,928$1.69B4.9%−73,872−0.3%ReducedHistory
ITGartner IncCOM4,656,387$1.60B4.6%−63,209−1.3%ReducedHistory
CSGPCostar Group, Inc.COM19,196,502$1.48B4.3%+91,399+0.5%AddedHistory
FDSFactset Research Systems IncStock2,751,596$1.20B3.5%+8,862+0.3%AddedHistory
MSCIMSCI Inc.Stock2,260,105$1.16B3.4%+15,184+0.7%AddedHistory
MTNVail Resorts IncCOM4,721,214$1.05B3.0%+51,630+1.1%AddedHistory
IDXXIDEXX Laboratories IncCOM2,336,330$1.02B3.0%−40,302−1.7%ReducedHistory
KNSLKinsale Capital Group, Inc.Stock1,985,089$822.1M2.4%−70,911−3.4%ReducedHistory
IRDMIridium Communications Inc.COM14,583,317$663.4M1.9%+58,818+0.4%AddedHistory
ANSSAnsys IncCOM2,002,717$595.9M1.7%+11,774+0.6%AddedHistory
CHHChoice Hotels International IncCOM4,634,126$567.7M1.6%+7,750+0.2%AddedHistory
HHyatt Hotels CorpCOM CL A5,327,279$565.1M1.6%+3,857+0.1%AddedHistory
GWREGuidewire Software, Inc.COM6,238,882$561.5M1.6%+36,895+0.6%AddedHistory
SCHWSchwab Charles CorpStock8,102,475$444.8M1.3%+42,588+0.5%AddedHistory
RRRRed Rock Resorts, Inc.CL A9,856,963$404.1M1.2%+962,841+10.8%AddedHistory
WSTWest Pharmaceutical Services IncCOM1,050,183$394.0M1.1%−10,383−1.0%ReducedHistory
GLPIGaming & Leisure Properties, Inc.COM8,418,436$383.5M1.1%−6,300−0.1%ReducedHistory
PRIPrimerica, Inc.Stock1,925,651$373.6M1.1%−21,044−1.1%ReducedHistory
MTDMettler Toledo International IncCOM332,895$368.9M1.1%−1,955−0.6%ReducedHistory
TECHBIO-TECHNE CorpCOM5,375,959$365.9M1.1%−4,515−0.1%ReducedHistory
VRSKVerisk Analytics, Inc.COM1,346,080$318.0M0.9%+1,310+0.1%AddedHistory
MORNMorningstar, Inc.COM1,326,608$310.7M0.9%+98,191+8.0%AddedHistory
VACMarriott Vacations Worldwide CorpCOM2,728,652$274.6M0.8%−126,309−4.4%ReducedHistory
NVDANVIDIA CorpStock616,823$268.3M0.8%+70,597+12.9%AddedHistory
VRTVertiv Holdings CoCOM CL A7,100,000$264.1M0.8%−550,000−7.2%ReducedHistory
ICLRIcon PLCCOM987,006$243.1M0.7%−759−0.1%ReducedHistory
DAYDayforce, Inc.COM3,534,834$239.8M0.7%+23,252+0.7%AddedHistory
BABAAlibaba Group Holding LtdADR2,705,448$234.7M0.7%−4,717−0.2%ReducedHistory
SITESiteOne Landscape Supply, Inc.COM1,420,607$232.2M0.7%−30,115−2.1%ReducedHistory
TSMTaiwan Semiconductor Manufacturing Co LtdADR2,569,980$223.3M0.6%−1,073,460−29.5%ReducedHistory
FNDFloor & Decor Holdings, Inc.CL A2,330,135$210.9M0.6%−128,951−5.2%ReducedHistory
EFOREverforth IncCOM2,210,162$180.5M0.5%00.0%UnchangedHistory
GTLSChart Industries IncCOM1,046,057$176.9M0.5%−3,881−0.4%ReducedHistory
EQIXEquinix IncCOM235,014$170.7M0.5%+34,374+17.1%AddedHistory
TREXTrex Co IncCOM2,733,397$168.5M0.5%−134,983−4.7%ReducedHistory
BFAMBright Horizons Family Solutions Inc.COM2,022,572$164.8M0.5%−192,910−8.7%ReducedHistory
MSFTMicrosoft CorpStock489,516$154.6M0.4%+10,844+2.3%AddedHistory
FIGSFIGS, Inc.CL A25,032,830$147.7M0.4%+1,470,706+6.2%AddedHistory
FICOFair Isaac CorpCOM167,385$145.4M0.4%00.0%UnchangedHistory
TTDTrade Desk, Inc.Stock1,849,480$144.5M0.4%−12,101−0.7%ReducedHistory
ARGXArgenx SESPONSORED ADR287,991$141.6M0.4%+37,723+15.1%AddedHistory
CNSCohen & Steers, Inc.COM2,249,784$141.0M0.4%−222,162−9.0%ReducedHistory
PENNPENN Entertainment, Inc.COM6,138,520$140.9M0.4%−1,298,955−17.5%ReducedHistory
DAVAEndava plcADS2,454,775$140.8M0.4%−151,418−5.8%ReducedHistory
HLIHoulihan Lokey, Inc.CL A1,299,577$139.2M0.4%00.0%UnchangedHistory
ROPRoper Technologies IncStock283,609$137.3M0.4%00.0%UnchangedHistory
TOLToll Brothers, Inc.COM1,784,965$132.0M0.4%+12,520+0.7%AddedHistory
AMZNAmazon Com IncStock1,003,164$127.5M0.4%+5,216+0.5%AddedHistory
IBPInstalled Building Products, Inc.COM1,010,775$126.2M0.4%00.0%UnchangedHistory
DXCMDexcom IncCOM1,319,066$123.1M0.4%−107,924−7.6%ReducedHistory
VRSNVerisign IncCOM603,174$122.2M0.4%−11,773−1.9%ReducedHistory
AREAlexandria Real Estate Equities, Inc.COM1,202,373$120.4M0.3%+53,640+4.7%AddedHistory
CPNGCoupang, Inc.CL A6,919,149$117.6M0.3%+405,668+6.2%AddedHistory
SHOPShopify Inc.Stock2,146,351$117.1M0.3%+197,912+10.2%AddedHistory
DNUTKrispy Kreme, Inc.COM9,221,657$115.0M0.3%+3,439,948+59.5%AddedHistory
AZPNAspen Technology, Inc.COM560,277$114.4M0.3%00.0%UnchangedHistory
BYDBoyd Gaming CorpCOM1,871,353$113.8M0.3%−224,484−10.7%ReducedHistory
TRUTransUnionCOM1,582,926$113.6M0.3%+5000.0%AddedHistory
NEOGNeogen CorpCOM6,067,987$112.5M0.3%−19,017−0.3%ReducedHistory
VEEVVeeva Systems IncStock541,969$110.3M0.3%−94,426−14.8%ReducedHistory
TDGTransDigm Group INCCOM125,000$105.4M0.3%00.0%UnchangedHistory
PLDPrologis, Inc.REIT916,120$102.8M0.3%+55,382+6.4%AddedHistory
ALTRAltair Engineering Inc.COM CL A1,635,507$102.3M0.3%00.0%UnchangedHistory
AXNXAxonics, Inc.COM1,799,731$101.0M0.3%−2,600−0.1%ReducedHistory
CBRECbre Group, Inc.CL A1,305,298$96.4M0.3%+29,677+2.3%AddedHistory
MELIMercadolibre IncCOM74,869$94.9M0.3%+1,280+1.7%AddedHistory
SPOTSpotify Technology S.A.Stock598,090$92.5M0.3%+197,571+49.3%AddedHistory
RBCRBC Bearings INCCOM386,570$90.5M0.3%+3,084+0.8%AddedHistory
CDWCDW CorpCOM429,537$86.7M0.3%00.0%UnchangedHistory
DEIDouglas Emmett IncCOM6,692,694$85.4M0.2%−303,505−4.3%ReducedHistory
APHAmphenol CorpCL A1,005,820$84.5M0.2%+597+0.1%AddedHistory
ONONOn Holding AGStock3,028,002$84.2M0.2%+2,145,318+243.0%AddedHistory
REXRRexford Industrial Realty, Inc.COM1,679,636$82.9M0.2%−234,906−12.3%ReducedHistory
IEXIdex CorpCOM395,756$82.3M0.2%−239−0.1%ReducedHistory
SNOWSnowflake Inc.Stock525,468$80.3M0.2%+1,913+0.4%AddedHistory
COOCooper Companies, Inc.COM NEW250,905$79.8M0.2%+1,089+0.4%AddedHistory
CWANClearwater Analytics Holdings, Inc.CL A4,099,999$79.3M0.2%−195,676−4.6%ReducedHistory
YMMFull Truck Alliance Co. Ltd.SPONSORED ADS10,901,533$76.7M0.2%−18,640−0.2%ReducedHistory
BIDUBaidu, Inc.ADR569,148$76.5M0.2%+102,428+21.9%AddedHistory
FWONKLiberty Media CorpCOM LBTY ONE S C1,200,000$74.8M0.2%00.0%UnchangedHistory
DLRDigital Realty Trust, Inc.COM608,045$73.6M0.2%+231,109+61.3%AddedHistory
RGENRepligen CorpCOM458,784$73.0M0.2%+99,763+27.8%AddedHistory
BWINBaldwin Insurance Group, Inc.COM CL A3,110,000$72.2M0.2%−2,000−0.1%ReducedHistory
METAMeta Platforms, Inc.Stock240,570$72.2M0.2%+4,779+2.0%AddedHistory
SBACSba Communications CorpCL A356,716$71.4M0.2%−141,974−28.5%ReducedHistory
BXBlackstone Inc.COM660,060$70.7M0.2%+87,754+15.3%AddedHistory
MGMMGM Resorts InternationalStock1,912,447$70.3M0.2%+82,134+4.5%AddedHistory
INDIindie Semiconductor, Inc.CLASS A COM11,038,885$69.5M0.2%+5,193,775+88.9%AddedHistory
LENLennar CorpCL A613,804$68.9M0.2%+25,613+4.4%AddedHistory
DHIHorton D R IncCOM635,050$68.2M0.2%+177,745+38.9%AddedHistory
ROLRollins IncCOM1,804,295$67.4M0.2%00.0%UnchangedHistory
KTOSKratos Defense & Security Solutions, Inc.COM NEW4,450,611$66.8M0.2%−107,592−2.4%ReducedHistory
EWCZEuropean Wax Center, Inc.CLASS A COM4,126,159$66.8M0.2%+642,726+18.5%AddedHistory
CAKECheesecake Factory IncCOM2,200,000$66.7M0.2%−214,857−8.9%ReducedHistory
BNBROOKFIELD CorpCL A LTD VT SH2,128,697$66.6M0.2%−1,190,644−35.9%ReducedHistory
DKNGDraftKings Inc.Stock2,179,838$64.2M0.2%−4,080−0.2%ReducedHistory
CGNXCognex CorpCOM1,500,000$63.7M0.2%00.0%UnchangedHistory
NOWServiceNow, Inc.Stock113,707$63.6M0.2%+59+0.1%AddedHistory
GTLBGitlab Inc.CLASS A COM1,377,907$62.3M0.2%−161,551−10.5%ReducedHistory

Sold out since Q2 2023 (19)

Positions held at the end of Q2 2023 that are gone from this filing.

Positions of Bamco Inc sold out since Q2 2023
SecurityClassShares in Q2 2023Value in Q2 2023% of portfolio in Q2 2023History
Liberty Media Corp Del531229607COM C SIRIUSXM625,000$20.5M0.1%–
WWEWorld Wrestling Entertainment, LLCCL A181,412$19.7M0.1%History
TSTenaris SASPONSORED ADS470,067$14.1M<0.1%History
Abcam PLC000380204ADS429,419$10.5M<0.1%–
EAElectronic Arts Inc.COM78,821$10.2M<0.1%History
Velo3D, Inc.92259N104COMMON STOCK4,337,125$9.37M<0.1%–
LBRDALiberty Broadband CorpCOM SER A75,000$5.98M<0.1%History
BEPCBrookfield Renewable CorpCL A SUB VTG159,034$5.01M<0.1%History
iShares Core MSCI Emerging Markets ETF46434G103ETF69,800$3.44M<0.1%–
ABTAbbott LaboratoriesStock24,362$2.66M<0.1%History
APPAppLovin CorpCOM CL A94,047$2.42M<0.1%History
ATVIActivision Blizzard, Inc.COM25,135$2.12M<0.1%History
CERSCerus CorpCOM825,009$2.03M<0.1%History
INBXInhibrx Biosciences, Inc.COM30,000$778.8K<0.1%History
SMTISanara MedTech Inc.COM14,713$590.0K<0.1%History
NFLXNetflix IncStock650$286.3K<0.1%History
PINSPinterest, Inc.CL A8,192$224.0K<0.1%History
EXFYExpensify, Inc.COM CL A12,000$95.8K<0.1%History
AEHRAehr Test SystemsCOM1,925$79.4K<0.1%History