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Livermore
Livermore
ZHEN

Bamco Inc

SEC CIK
0001017918
Latest filing
Aug 14, 2026

Holdings in Q1 2026

Holdings as of Mar 31, 2026, filed May 15, 2026. Long positions only; changes compare share counts with Q4 2025.

Institution overview
Positions
326
−1 vs. Q4 2025
Portfolio value
$33.1B
−$3.78B (−10.2%) vs. Q4 2025
Filed
May 15, 2026
SEC
Holdings of Bamco Inc in Q1 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
TSLATesla, Inc.Stock11,933,509$4.44B13.4%+6,034+0.1%AddedHistory
ACGLArch Capital Group Ltd.Stock16,709,759$1.60B4.8%−1,277,746−7.1%ReducedHistory
MSCIMSCI Inc.Stock2,699,389$1.45B4.4%−56,358−2.0%ReducedHistory
GWREGuidewire Software, Inc.COM6,597,453$986.7M3.0%+1,449,903+28.2%AddedHistory
ITGartner IncCOM5,917,616$937.0M2.8%+1,704,659+40.5%AddedHistory
IDXXIDEXX Laboratories IncCOM1,633,367$917.8M2.8%−164,674−9.2%ReducedHistory
HHyatt Hotels CorpCOM CL A6,341,673$911.9M2.8%+235,188+3.9%AddedHistory
FIGSFIGS, Inc.CL A59,959,449$885.6M2.7%00.0%UnchangedHistory
FDSFactset Research Systems IncStock3,756,587$815.1M2.5%+867,742+30.0%AddedHistory
CHHChoice Hotels International IncCOM7,690,494$796.0M2.4%+303,919+4.1%AddedHistory
RRRRed Rock Resorts, Inc.CL A13,412,846$715.7M2.2%+892,954+7.1%AddedHistory
SCHWSchwab Charles CorpStock7,464,316$701.5M2.1%+404,007+5.7%AddedHistory
KNSLKinsale Capital Group, Inc.Stock2,027,765$692.8M2.1%+246,564+13.8%AddedHistory
CSGPCostar Group, Inc.COM16,314,175$658.1M2.0%−3,183,924−16.3%ReducedHistory
MTNVail Resorts IncCOM5,043,533$647.2M2.0%+233,605+4.9%AddedHistory
SPOTSpotify Technology S.A.Stock1,319,525$639.9M1.9%+322,234+32.3%AddedHistory
SHOPShopify Inc.Stock4,718,230$559.7M1.7%+2,429,960+106.2%AddedHistory
NVDANVIDIA CorpStock2,919,758$509.2M1.5%−69,185−2.3%ReducedHistory
VRSKVerisk Analytics, Inc.COM2,511,976$476.6M1.4%+1,209,365+92.8%AddedHistory
BIRKBirkenstock Holding plcCOM SHS9,366,068$335.6M1.0%+1,400,031+17.6%AddedHistory
ONONOn Holding AGStock9,714,605$330.5M1.0%+4,309,119+79.7%AddedHistory
VRTVertiv Holdings CoCOM CL A1,181,144$296.0M0.9%−364,428−23.6%ReducedHistory
SITESiteOne Landscape Supply, Inc.COM2,059,076$274.1M0.8%+30,710+1.5%AddedHistory
IBKRInteractive Brokers Group, Inc.Stock4,047,376$271.5M0.8%−596,000−12.8%ReducedHistory
AMZNAmazon Com IncStock1,294,654$269.6M0.8%+69,495+5.7%AddedHistory
WELLWelltower Inc.REIT1,344,941$265.9M0.8%+67,449+5.3%AddedHistory
EQIXEquinix IncCOM243,975$239.2M0.7%+98,546+67.8%AddedHistory
PRIPrimerica, Inc.Stock860,026$215.4M0.7%−272,518−24.1%ReducedHistory
TSMTaiwan Semiconductor Manufacturing Co LtdADR636,267$215.0M0.6%+1,615+0.3%AddedHistory
APHAmphenol CorpCL A1,659,690$209.7M0.6%−51,052−3.0%ReducedHistory
GDSGDS Holdings LtdSPONSORED ADS4,597,246$185.2M0.6%+812,398+21.5%AddedHistory
ABNBAirbnb, Inc.Stock1,441,221$182.0M0.5%+561,145+63.8%AddedHistory
PWRQuanta Services, Inc.COM325,840$178.9M0.5%−2,170−0.7%ReducedHistory
WYNNWynn Resorts LtdCOM1,736,856$176.4M0.5%+517,266+42.4%AddedHistory
MTDMettler Toledo International IncCOM133,639$168.5M0.5%−12,695−8.7%ReducedHistory
IOTSamsara Inc.Stock5,119,835$162.2M0.5%+999,804+24.3%AddedHistory
AVGOBroadcom Inc.Stock523,219$161.9M0.5%−14,621−2.7%ReducedHistory
HLIHoulihan Lokey, Inc.CL A1,061,403$152.4M0.5%−62,548−5.6%ReducedHistory
METAMeta Platforms, Inc.Stock256,700$146.9M0.4%−13,426−5.0%ReducedHistory
CBRECbre Group, Inc.CL A1,074,451$145.5M0.4%−284,881−21.0%ReducedHistory
LLYVKLiberty Live Holdings, Inc.COM SHS SER C1,525,473$143.6M0.4%−88,193−5.5%ReducedHistory
PLDPrologis, Inc.REIT1,065,747$140.9M0.4%−43,380−3.9%ReducedHistory
FPSForgent Power Solutions, Inc.COM SHS CL A4,674,583$136.8M0.4%+4,674,583NewHistory
LOARLoar Holdings Inc.COM SHS2,366,299$135.6M0.4%+246,794+11.6%AddedHistory
MORNMorningstar, Inc.COM759,515$128.4M0.4%−482,279−38.8%ReducedHistory
TOLToll Brothers, Inc.COM932,031$127.2M0.4%−234,239−20.1%ReducedHistory
BNBROOKFIELD CorpCL A LTD VT SH2,905,510$117.6M0.4%−730,407−20.1%ReducedHistory
GOOGLAlphabet Inc.Stock382,577$110.0M0.3%+225,079+142.9%AddedHistory
NOVTNovanta IncCOM915,083$108.1M0.3%−21,879−2.3%ReducedHistory
KRMNKarman Holdings Inc.COMMON STOCK1,279,093$102.4M0.3%−635,128−33.2%ReducedHistory
ARGXArgenx SESPONSORED ADR138,648$101.2M0.3%−15,071−9.8%ReducedHistory
RBCRBC Bearings INCCOM181,481$98.6M0.3%−121,629−40.1%ReducedHistory
NPOEnpro Inc.COM391,730$98.2M0.3%+92,880+31.1%AddedHistory
NETCloudflare, Inc.CL A COM457,324$94.4M0.3%+47,720+11.7%AddedHistory
HTFLHeartflow, Inc.COM3,827,531$93.1M0.3%+1,523,654+66.1%AddedHistory
DKNGDraftKings Inc.Stock4,218,766$91.2M0.3%−455,689−9.7%ReducedHistory
TDGTransDigm Group INCCOM78,664$91.2M0.3%+865+1.1%AddedHistory
BFAMBright Horizons Family Solutions Inc.COM1,102,308$90.5M0.3%+88,820+8.8%AddedHistory
PLNTPlanet Fitness, Inc.CL A1,200,064$89.3M0.3%+50,036+4.4%AddedHistory
HEI.AHeico CorpCL A419,407$88.5M0.3%−14,935−3.4%ReducedHistory
DLRDigital Realty Trust, Inc.COM484,763$87.4M0.3%+346,585+250.8%AddedHistory
AEISAdvanced Energy Industries IncCOM268,725$86.7M0.3%−30,416−10.2%ReducedHistory
PCORProcore Technologies, Inc.COM1,499,091$85.4M0.3%−16,891−1.1%ReducedHistory
CGNXCognex CorpCOM1,740,166$85.3M0.3%−160,000−8.4%ReducedHistory
JBTMJBT Marel CorpCOM660,040$84.4M0.3%−40,000−5.7%ReducedHistory
GLPIGaming & Leisure Properties, Inc.COM1,846,273$81.9M0.2%−12,523−0.7%ReducedHistory
VTRVentas, Inc.REIT998,339$81.6M0.2%−221,144−18.1%ReducedHistory
HLTHilton Worldwide Holdings Inc.COM265,363$80.7M0.2%−2,340−0.9%ReducedHistory
DTDynatrace, Inc.Stock2,159,694$79.9M0.2%+660,194+44.0%AddedHistory
BABAAlibaba Group Holding LtdADR635,540$79.7M0.2%−436,107−40.7%ReducedHistory
LLYEli Lilly & CoStock85,066$78.2M0.2%−1,410−1.6%ReducedHistory
CRHCRH Public Ltd CoORD739,176$77.7M0.2%−105,458−12.5%ReducedHistory
MACMacerich CoCOM4,084,693$77.2M0.2%+798,432+24.3%AddedHistory
BAPCredicorp LtdCOM222,224$75.4M0.2%−62,820−22.0%ReducedHistory
INDIindie Semiconductor, Inc.CLASS A COM23,337,826$75.1M0.2%+1,632,084+7.5%AddedHistory
MELIMercadolibre IncCOM42,793$74.0M0.2%−19,171−30.9%ReducedHistory
JLLJones Lang Lasalle IncCOM241,208$73.4M0.2%−323,089−57.3%ReducedHistory
PSAPublic StorageCOM266,847$72.3M0.2%+266,847NewHistory
TTANServiceTitan, Inc.SHS CL A1,114,416$70.7M0.2%+17,485+1.6%AddedHistory
LGNLegence Corp.CL A1,245,682$70.3M0.2%−150,000−10.7%ReducedHistory
AAONAaon, Inc.COM PAR $0.004844,377$69.9M0.2%+106,361+14.4%AddedHistory
DDOGDatadog, Inc.CL A COM587,382$69.3M0.2%+96,800+19.7%AddedHistory
MPWRMonolithic Power Systems, Inc.COM62,994$68.9M0.2%−2,233−3.4%ReducedHistory
FWONKLiberty Media CorpCOM LBTY ONE S C800,000$68.0M0.2%−100,000−11.1%ReducedHistory
LVSLas Vegas Sands CorpCOM1,226,430$66.1M0.2%−271,462−18.1%ReducedHistory
ROPRoper Technologies IncStock186,159$65.9M0.2%−21,278−10.3%ReducedHistory
FNDFloor & Decor Holdings, Inc.CL A1,273,764$64.7M0.2%−80,637−6.0%ReducedHistory
RGENRepligen CorpCOM548,346$64.6M0.2%+3,567+0.7%AddedHistory
JEFJefferies Financial Group Inc.COM1,530,228$63.2M0.2%+933,700+156.5%AddedHistory
HQYHealthequity, Inc.COM750,025$62.7M0.2%−6,000−0.8%ReducedHistory
FICOFair Isaac CorpCOM57,929$61.8M0.2%−10,722−15.6%ReducedHistory
SNOWSnowflake Inc.Stock398,468$60.1M0.2%+16,590+4.3%AddedHistory
BWINBaldwin Insurance Group, Inc.COM CL A2,710,068$59.5M0.2%−300,360−10.0%ReducedHistory
BLLNBillionToOne, Inc.CL A741,485$58.5M0.2%+571,485+336.2%AddedHistory
CDNACareDx, Inc.COM3,336,409$57.9M0.2%+181,229+5.7%AddedHistory
CWSTCasella Waste Systems IncCL A718,461$57.0M0.2%+272,219+61.0%AddedHistory
DRVNDriven Brands Holdings Inc.COM4,500,196$56.7M0.2%−500,065−10.0%ReducedHistory
WAYWaystar Holding Corp.COM2,325,569$56.1M0.2%+931,935+66.9%AddedHistory
INTAIntapp, Inc.COM2,144,270$55.1M0.2%−1,183,719−35.6%ReducedHistory
CAKECheesecake Factory IncCOM1,000,037$54.8M0.2%−250,000−20.0%ReducedHistory

Sold out since Q4 2025 (36)

Positions held at the end of Q4 2025 that are gone from this filing.

Positions of Bamco Inc sold out since Q4 2025
SecurityClassShares in Q4 2025Value in Q4 2025% of portfolio in Q4 2025History
EXASExact Sciences CorpCOM954,547$96.9M0.3%History
LPXLouisiana-Pacific CorpCOM674,577$54.5M0.1%History
GTLBGitlab Inc.CLASS A COM1,426,527$53.5M0.1%History
MASIMasimo CorpCOM373,899$48.6M0.1%History
ACLXArcellx, Inc.COMMON STOCK609,697$39.8M0.1%History
FBINFortune Brands Innovations, Inc.COM773,799$38.7M0.1%History
CWKCushman & Wakefield Ltd.COMMON SHARES1,481,285$24.0M0.1%History
CVCOCavco Industries, Inc.COM37,078$21.9M0.1%History
XPEVXpeng Inc.ADS940,642$19.1M0.1%History
TTDTrade Desk, Inc.Stock500,036$19.0M0.1%History
ASICAtegrity Specialty Insurance Co HoldingsCOM669,792$14.1M<0.1%History
DHRDanaher CorpStock60,709$13.9M<0.1%History
BXPBXP, Inc.COM202,984$13.7M<0.1%History
RPAYRepay Holdings CorpCOM CL A2,000,000$7.30M<0.1%History
SHOSunstone Hotel Investors, Inc.COM686,050$6.13M<0.1%History
KRCKilroy Realty CorpCOM142,997$5.34M<0.1%History
BSXBoston Scientific CorpStock47,000$4.48M<0.1%History
PENPenumbra IncCOM13,926$4.33M<0.1%History
WHWyndham Hotels & Resorts, Inc.COM56,080$4.24M<0.1%History
MCKMcKesson CorpStock5,000$4.10M<0.1%History
iShares Tr46435G268RUSEL 2500 ETF51,896$3.89M<0.1%–
AAPLApple Inc.Stock14,293$3.89M<0.1%History
POOLPool CorpCOM16,621$3.80M<0.1%History
Cyberark Software LtdM2682V108SHS8,105$3.62M<0.1%–
IRDMIridium Communications Inc.COM200,000$3.48M<0.1%History
HUBSHubSpot IncCOM6,122$2.46M<0.1%History
Vanguard Information Technology ETF92204A702ETF2,682$2.02M<0.1%–
UNHUnitedHealth Group IncStock6,000$1.98M<0.1%History
EHCEncompass Health CorpCOM17,500$1.86M<0.1%History
NVONovo Nordisk A SADR27,426$1.40M<0.1%History
ALNYAlnylam Pharmaceuticals, Inc.COM3,500$1.39M<0.1%History
VCTRVictory Capital Holdings, Inc.COM CL A16,596$1.05M<0.1%History
THCTenet Healthcare CorpCOM NEW3,500$695.5K<0.1%History
FLUTFlutter Entertainment plcSHS1,852$398.3K<0.1%History
RYANRyan Specialty Holdings, Inc.CL A4,621$238.6K<0.1%History
ORCLOracle CorpStock19$3.70K<0.1%History