Bamco Inc
- SEC CIK
- 0001017918
- Latest filing
- Aug 14, 2026
Holdings in Q4 2023
Holdings as of Dec 31, 2023, filed Feb 14, 2024. Long positions only; changes compare share counts with Q3 2023.
- Positions
- 330
- −4 vs. Q3 2023
- Portfolio value
- $37.5B
- +$3.13B (+9.1%) vs. Q3 2023
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| TSLATesla, Inc. | Stock | 17,708,489 | $4.40B | 11.7% | +39,544+0.2% | Added | History |
| ITGartner Inc | COM | 4,426,192 | $2.00B | 5.3% | −230,195−4.9% | Reduced | History |
| CSGPCostar Group, Inc. | COM | 19,391,283 | $1.69B | 4.5% | +194,781+1.0% | Added | History |
| ACGLArch Capital Group Ltd. | Stock | 21,292,042 | $1.58B | 4.2% | +69,114+0.3% | Added | History |
| FDSFactset Research Systems Inc | Stock | 2,777,627 | $1.33B | 3.5% | +26,031+0.9% | Added | History |
| MSCIMSCI Inc. | Stock | 2,279,500 | $1.29B | 3.4% | +19,395+0.9% | Added | History |
| IDXXIDEXX Laboratories Inc | COM | 2,300,017 | $1.28B | 3.4% | −36,313−1.6% | Reduced | History |
| MTNVail Resorts Inc | COM | 4,920,015 | $1.05B | 2.8% | +198,801+4.2% | Added | History |
| ANSSAnsys Inc | COM | 1,987,400 | $721.2M | 1.9% | −15,317−0.8% | Reduced | History |
| HHyatt Hotels Corp | COM CL A | 5,405,089 | $704.9M | 1.9% | +77,810+1.5% | Added | History |
| GWREGuidewire Software, Inc. | COM | 6,361,042 | $693.6M | 1.8% | +122,160+2.0% | Added | History |
| KNSLKinsale Capital Group, Inc. | Stock | 1,925,514 | $644.9M | 1.7% | −59,575−3.0% | Reduced | History |
| IRDMIridium Communications Inc. | COM | 14,045,775 | $578.1M | 1.5% | −537,542−3.7% | Reduced | History |
| SCHWSchwab Charles Corp | Stock | 8,127,538 | $559.2M | 1.5% | +25,063+0.3% | Added | History |
| RRRRed Rock Resorts, Inc. | CL A | 10,358,854 | $552.4M | 1.5% | +501,891+5.1% | Added | History |
| CHHChoice Hotels International Inc | COM | 4,810,297 | $545.0M | 1.5% | +176,171+3.8% | Added | History |
| GLPIGaming & Leisure Properties, Inc. | COM | 8,374,698 | $413.3M | 1.1% | −43,738−0.5% | Reduced | History |
| TECHBIO-TECHNE Corp | COM | 5,352,006 | $413.0M | 1.1% | −23,953−0.4% | Reduced | History |
| MTDMettler Toledo International Inc | COM | 326,722 | $396.3M | 1.1% | −6,173−1.9% | Reduced | History |
| PRIPrimerica, Inc. | Stock | 1,908,848 | $392.8M | 1.0% | −16,803−0.9% | Reduced | History |
| MORNMorningstar, Inc. | COM | 1,322,451 | $378.5M | 1.0% | −4,157−0.3% | Reduced | History |
| WSTWest Pharmaceutical Services Inc | COM | 997,821 | $351.4M | 0.9% | −52,362−5.0% | Reduced | History |
| VRSKVerisk Analytics, Inc. | COM | 1,380,219 | $329.7M | 0.9% | +34,139+2.5% | Added | History |
| VRTVertiv Holdings Co | COM CL A | 6,750,000 | $324.2M | 0.9% | −350,000−4.9% | Reduced | History |
| ICLRIcon PLC | COM | 987,761 | $279.6M | 0.7% | +755+0.1% | Added | History |
| NVDANVIDIA Corp | Stock | 556,881 | $275.8M | 0.7% | −59,942−9.7% | Reduced | History |
| FNDFloor & Decor Holdings, Inc. | CL A | 2,257,893 | $251.9M | 0.7% | −72,242−3.1% | Reduced | History |
| SITESiteOne Landscape Supply, Inc. | COM | 1,495,341 | $243.0M | 0.6% | +74,734+5.3% | Added | History |
| DAYDayforce, Inc. | COM | 3,565,708 | $239.3M | 0.6% | +30,874+0.9% | Added | History |
| TSMTaiwan Semiconductor Manufacturing Co Ltd | ADR | 2,163,055 | $225.0M | 0.6% | −406,925−15.8% | Reduced | History |
| EFOREverforth Inc | COM | 2,227,200 | $214.2M | 0.6% | +17,038+0.8% | Added | History |
| TREXTrex Co Inc | COM | 2,505,372 | $207.4M | 0.6% | −228,025−8.3% | Reduced | History |
| MSFTMicrosoft Corp | Stock | 540,002 | $203.1M | 0.5% | +50,486+10.3% | Added | History |
| EQIXEquinix Inc | COM | 236,271 | $190.3M | 0.5% | +1,257+0.5% | Added | History |
| TOLToll Brothers, Inc. | COM | 1,801,690 | $185.2M | 0.5% | +16,725+0.9% | Added | History |
| DAVAEndava plc | ADS | 2,356,089 | $183.4M | 0.5% | −98,686−4.0% | Reduced | History |
| FICOFair Isaac Corp | COM | 151,004 | $175.8M | 0.5% | −16,381−9.8% | Reduced | History |
| FIGSFIGS, Inc. | CL A | 25,215,484 | $175.2M | 0.5% | +182,654+0.7% | Added | History |
| SHOPShopify Inc. | Stock | 2,214,958 | $172.5M | 0.5% | +68,607+3.2% | Added | History |
| IBPInstalled Building Products, Inc. | COM | 915,905 | $167.4M | 0.4% | −94,870−9.4% | Reduced | History |
| CNSCohen & Steers, Inc. | COM | 2,178,035 | $164.9M | 0.4% | −71,749−3.2% | Reduced | History |
| BFAMBright Horizons Family Solutions Inc. | COM | 1,713,999 | $161.5M | 0.4% | −308,573−15.3% | Reduced | History |
| AREAlexandria Real Estate Equities, Inc. | COM | 1,232,649 | $156.3M | 0.4% | +30,276+2.5% | Added | History |
| GTLSChart Industries Inc | COM | 1,145,013 | $156.1M | 0.4% | +98,956+9.5% | Added | History |
| HLIHoulihan Lokey, Inc. | CL A | 1,298,610 | $155.7M | 0.4% | −967−0.1% | Reduced | History |
| AMZNAmazon Com Inc | Stock | 1,024,453 | $155.7M | 0.4% | +21,289+2.1% | Added | History |
| ROPRoper Technologies Inc | Stock | 283,609 | $154.6M | 0.4% | 00.0% | Unchanged | History |
| DNUTKrispy Kreme, Inc. | COM | 9,487,867 | $143.2M | 0.4% | +266,210+2.9% | Added | History |
| BIRKBirkenstock Holding plc | COM SHS | 2,934,001 | $143.0M | 0.4% | +2,934,001 | New | History |
| TTDTrade Desk, Inc. | Stock | 1,928,933 | $138.8M | 0.4% | +79,453+4.3% | Added | History |
| PENNPENN Entertainment, Inc. | COM | 5,142,744 | $133.8M | 0.4% | −995,776−16.2% | Reduced | History |
| ALTRAltair Engineering Inc. | COM CL A | 1,585,507 | $133.4M | 0.4% | −50,000−3.1% | Reduced | History |
| NEOGNeogen Corp | COM | 6,624,299 | $133.2M | 0.4% | +556,312+9.2% | Added | History |
| BABAAlibaba Group Holding Ltd | ADR | 1,649,689 | $127.9M | 0.3% | −1,055,759−39.0% | Reduced | History |
| SPOTSpotify Technology S.A. | Stock | 673,653 | $126.6M | 0.3% | +75,563+12.6% | Added | History |
| TDGTransDigm Group INC | COM | 125,000 | $126.5M | 0.3% | 00.0% | Unchanged | History |
| PLDPrologis, Inc. | REIT | 940,358 | $125.3M | 0.3% | +24,238+2.6% | Added | History |
| DXCMDexcom Inc | COM | 997,708 | $123.8M | 0.3% | −321,358−24.4% | Reduced | History |
| VACMarriott Vacations Worldwide Corp | COM | 1,447,205 | $122.9M | 0.3% | −1,281,447−47.0% | Reduced | History |
| AZPNAspen Technology, Inc. | COM | 554,098 | $122.0M | 0.3% | −6,179−1.1% | Reduced | History |
| VRSNVerisign Inc | COM | 574,274 | $118.3M | 0.3% | −28,900−4.8% | Reduced | History |
| CPNGCoupang, Inc. | CL A | 7,248,164 | $117.3M | 0.3% | +329,015+4.8% | Added | History |
| BYDBoyd Gaming Corp | COM | 1,825,853 | $114.3M | 0.3% | −45,500−2.4% | Reduced | History |
| AXNXAxonics, Inc. | COM | 1,797,963 | $111.9M | 0.3% | −1,768−0.1% | Reduced | History |
| ARGXArgenx SE | SPONSORED ADR | 287,379 | $109.3M | 0.3% | −612−0.2% | Reduced | History |
| RBCRBC Bearings INC | COM | 376,442 | $107.2M | 0.3% | −10,128−2.6% | Reduced | History |
| MELIMercadolibre Inc | COM | 67,768 | $106.5M | 0.3% | −7,101−9.5% | Reduced | History |
| CBRECbre Group, Inc. | CL A | 1,139,151 | $106.0M | 0.3% | −166,147−12.7% | Reduced | History |
| APHAmphenol Corp | CL A | 1,006,198 | $99.7M | 0.3% | +3780.0% | Added | History |
| CDWCDW Corp | COM | 429,426 | $97.6M | 0.3% | −1110.0% | Reduced | History |
| DHIHorton D R Inc | COM | 635,880 | $96.6M | 0.3% | +830+0.1% | Added | History |
| VEEVVeeva Systems Inc | Stock | 500,411 | $96.3M | 0.3% | −41,558−7.7% | Reduced | History |
| BXBlackstone Inc. | COM | 733,234 | $96.0M | 0.3% | +73,174+11.1% | Added | History |
| ONONOn Holding AG | Stock | 3,524,993 | $95.1M | 0.3% | +496,991+16.4% | Added | History |
| COOCooper Companies, Inc. | COM NEW | 251,098 | $95.0M | 0.3% | +193+0.1% | Added | History |
| LENLennar Corp | CL A | 625,384 | $93.2M | 0.2% | +11,580+1.9% | Added | History |
| METAMeta Platforms, Inc. | Stock | 260,114 | $92.1M | 0.2% | +19,544+8.1% | Added | History |
| REXRRexford Industrial Realty, Inc. | COM | 1,634,420 | $91.7M | 0.2% | −45,216−2.7% | Reduced | History |
| DEIDouglas Emmett Inc | COM | 6,277,081 | $91.0M | 0.2% | −415,613−6.2% | Reduced | History |
| SNOWSnowflake Inc. | Stock | 456,302 | $90.8M | 0.2% | −69,166−13.2% | Reduced | History |
| MGMMGM Resorts International | Stock | 2,027,550 | $90.6M | 0.2% | +115,103+6.0% | Added | History |
| INDIindie Semiconductor, Inc. | CLASS A COM | 11,164,641 | $90.5M | 0.2% | +125,756+1.1% | Added | History |
| BIDUBaidu, Inc. | ADR | 757,845 | $90.3M | 0.2% | +188,697+33.2% | Added | History |
| JBIJanus International Group, Inc. | COMMON STOCK | 6,871,661 | $89.7M | 0.2% | +1,371,661+24.9% | Added | History |
| PLNTPlanet Fitness, Inc. | CL A | 1,200,000 | $87.6M | 0.2% | 00.0% | Unchanged | History |
| DKNGDraftKings Inc. | Stock | 2,397,732 | $84.5M | 0.2% | +217,894+10.0% | Added | History |
| GTLBGitlab Inc. | CLASS A COM | 1,334,287 | $84.0M | 0.2% | −43,620−3.2% | Reduced | History |
| IEXIdex Corp | COM | 385,756 | $83.8M | 0.2% | −10,000−2.5% | Reduced | History |
| CWANClearwater Analytics Holdings, Inc. | CL A | 4,097,022 | $82.1M | 0.2% | −2,977−0.1% | Reduced | History |
| RGENRepligen Corp | COM | 445,758 | $80.1M | 0.2% | −13,026−2.8% | Reduced | History |
| CGCarlyle Group Inc. | COM | 1,947,402 | $79.2M | 0.2% | −68,928−3.4% | Reduced | History |
| ROLRollins Inc | COM | 1,804,295 | $78.8M | 0.2% | 00.0% | Unchanged | History |
| KTOSKratos Defense & Security Solutions, Inc. | COM NEW | 3,862,539 | $78.4M | 0.2% | −588,072−13.2% | Reduced | History |
| BWINBaldwin Insurance Group, Inc. | COM CL A | 3,260,000 | $78.3M | 0.2% | +150,000+4.8% | Added | History |
| NETCloudflare, Inc. | CL A COM | 935,285 | $77.9M | 0.2% | −4,244−0.5% | Reduced | History |
| CAKECheesecake Factory Inc | COM | 2,200,000 | $77.0M | 0.2% | 00.0% | Unchanged | History |
| FWONKLiberty Media Corp | COM LBTY ONE S C | 1,200,000 | $75.8M | 0.2% | 00.0% | Unchanged | History |
| PWRQuanta Services, Inc. | COM | 347,981 | $75.1M | 0.2% | +21,506+6.6% | Added | History |
| YMMFull Truck Alliance Co. Ltd. | SPONSORED ADS | 10,580,566 | $74.2M | 0.2% | −320,967−2.9% | Reduced | History |
| PDDPDD Holdings Inc. | SPONSORED ADS | 504,774 | $73.9M | 0.2% | +504,774 | New | History |
Sold out since Q3 2023 (21)
Positions held at the end of Q3 2023 that are gone from this filing.
| Security | Class | Shares in Q3 2023 | Value in Q3 2023 | % of portfolio in Q3 2023 | History |
|---|---|---|---|---|---|
| SKINSkinHealth Systems Inc. | COM CL A | 5,318,352 | $32.0M | 0.1% | History |
| ETWOE2open Parent Holdings, Inc. | COM CL A | 6,000,000 | $27.2M | 0.1% | History |
| JDJD.com, Inc. | SPON ADS CL A | 613,835 | $17.9M | 0.1% | History |
| GTMZoomInfo Technologies Inc. | Stock | 1,065,834 | $17.5M | 0.1% | History |
| Liberty Media Corp531229789 | Stock | 500,000 | $12.7M | <0.1% | – |
| ARWRArrowhead Pharmaceuticals, Inc. | COM | 156,619 | $4.21M | <0.1% | History |
| CUBECubeSmart | REIT | 91,008 | $3.47M | <0.1% | History |
| TNLTravel & Leisure Co. | COM | 55,964 | $2.06M | <0.1% | History |
| VICIVici Properties Inc. | COM | 60,900 | $1.77M | <0.1% | History |
| PODDInsulet Corp | Stock | 9,565 | $1.53M | <0.1% | History |
| PCTYPaylocity Holding Corp | COM | 5,153 | $936.3K | <0.1% | History |
| CYTKCytokinetics Inc | COM NEW | 25,000 | $736.5K | <0.1% | History |
| AATAmerican Assets Trust, Inc. | COM | 28,500 | $554.3K | <0.1% | History |
| SMWBSimilarweb Ltd. | SHS | 53,951 | $349.6K | <0.1% | History |
| ELEstee Lauder Companies Inc | CL A | 2,280 | $329.6K | <0.1% | History |
| SMCISuper Micro Computer, Inc. | COM | 994 | $272.6K | <0.1% | History |
| PEGAPegasystems Inc | COM | 4,263 | $185.1K | <0.1% | History |
| PAYPaymentus Holdings, Inc. | Stock | 6,500 | $107.9K | <0.1% | History |
| DUOLDuolingo, Inc. | CL A COM | 236 | $39.1K | <0.1% | History |
| ARMArm Holdings PLC | ADR | 700 | $37.5K | <0.1% | History |
| Brookfield Reins LtdG16250105 | CL A EXCH LT VTG | 2 | $63 | <0.1% | – |