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BAMCO INC /NY/

AUM: $39.11 B
13-F Portfolio Value: $33.13 B
Last 13-F Filed: Q1 2026
Concentration in top 10: 41.48%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
ACGLARCH CAP GROUP LTD4.74%16,709,759$1,603,969,766-1,277,746-7.1%$95.9913F
MSCIMSCI INC4.30%2,699,389$1,454,997,665-56,358-2.05%$539.0113F
IDXXIDEXX LABS INC2.71%1,633,367$917,772,584-164,674-9.16%$561.8913F
CSGPCOSTAR GROUP INC1.95%16,314,175$658,113,819-3,183,924-16.33%$40.3413F
NVDANVIDIA CORPORATION1.50%2,919,758$509,205,795-69,185-2.31%$174.413F
VRTVERTIV HOLDINGS CO0.87%1,181,144$295,971,064-364,428-23.58%$250.5813F
IBKRINTERACTIVE BROKERS GROUP IN0.80%4,047,376$271,457,508-596,000-12.84%$67.0713F
PRIPRIMERICA INC0.64%860,026$215,419,312-272,518-24.06%$250.4813F
APHAMPHENOL CORP0.62%1,659,690$209,701,831-51,052-2.98%$126.3513F
PWRQUANTA SVCS INC0.53%325,840$178,892,677-2,170-0.66%$549.0213F
MTDMETTLER TOLEDO INTERNATIONAL0.50%133,639$168,545,507-12,695-8.68%$1261.213F
AVGOBROADCOM INC0.48%523,219$161,941,513-14,621-2.72%$309.5113F
HLIHOULIHAN LOKEY INC0.45%1,061,403$152,438,699-62,548-5.57%$143.6213F
CBRECBRE GROUP INC0.43%1,074,451$145,545,132-284,881-20.96%$135.4613F
METAMETA PLATFORMS INC0.43%256,700$146,865,771-13,426-4.97%$572.1313F
LLYVKLIBERTY LIVE HOLDINGS INC0.42%1,525,473$143,562,264-88,193-5.47%$94.1113F
PLDPROLOGIS INC.0.42%1,065,747$140,870,438-43,380-3.91%$132.1813F
MORNMORNINGSTAR INC0.38%759,515$128,396,011-482,279-38.84%$169.0513F
TOLTOLL BROTHERS INC0.38%932,031$127,194,271-234,239-20.08%$136.4713F
BNBROOKFIELD CORP0.35%2,905,510$117,585,990-730,407-20.09%$40.4713F
NOVTNOVANTA INC0.32%915,083$108,080,453-21,879-2.34%$118.1113F
ARGXARGENX SE0.30%138,648$101,247,702-15,071-9.8%$730.2513F
KRMNKARMAN HLDGS INC0.30%1,279,093$102,391,395-635,128-33.18%$80.0513F
RBCRBC BEARINGS INC0.29%181,481$98,565,961-121,629-40.13%$543.1213F
DKNGDRAFTKINGS INC0.27%4,218,766$91,209,721-455,689-9.75%$21.6213F
AEISADVANCED ENERGY INDS0.26%268,725$86,720,245-30,416-10.17%$322.7113F
HEIAHEICO CORP0.26%419,407$88,532,624-14,935-3.44%$211.0913F
CGNXCOGNEX CORP0.25%1,740,166$85,250,732-160,000-8.42%$48.9913F
JBTMJBT MAREL CORPORATION0.25%660,040$84,399,315-40,000-5.71%$127.8713F
PCORPROCORE TECHNOLOGIES INC0.25%1,499,091$85,448,187-16,891-1.11%$5713F
BABAALIBABA GROUP HLDG LTD0.24%635,540$79,734,848-436,107-40.7%$125.4613F
GLPIGAMING & LEISURE P0.24%1,846,273$81,919,133-12,523-0.67%$44.3713F
HLTHILTON WORLDWIDE HLDGS INC0.24%265,363$80,691,581-2,340-0.87%$304.0813F
VTRVENTAS INC0.24%998,339$81,644,163-221,144-18.13%$81.7813F
LLYELI LILLY & CO0.23%85,066$78,241,155-1,410-1.63%$919.7713F
CRHCRH PLC0.23%739,176$77,702,181-105,458-12.49%$105.1213F
JLLJONES LANG LASALLE INC0.22%241,208$73,404,419-323,089-57.26%$304.3213F
MELIMERCADOLIBRE INC0.22%42,793$73,989,953-19,171-30.94%$1729.0213F
BAPCREDICORP LTD0.22%222,224$75,373,936-62,820-22.04%$339.1813F
LGNLEGENCE CORP0.21%1,245,682$70,331,206-150,000-10.75%$56.4613F
LVSLAS VEGAS SANDS CORP0.20%1,226,430$66,080,048-271,462-18.12%$53.8813F
FWONKLIBERTY MEDIA CORP DEL0.20%800,000$68,016,000-100,000-11.11%$85.0213F
MPWRMONOLITHIC PWR SYS INC0.20%62,994$68,874,490-2,233-3.42%$1093.3513F
FNDFLOOR & DECOR HLDGS INC0.19%1,273,764$64,707,211-80,637-5.95%$50.813F
HQYHEALTHEQUITY INC0.19%750,025$62,679,589-6,000-0.79%$83.5713F
ROPROPER TECHNOLOGIES INC0.19%186,159$65,874,224-21,278-10.26%$353.8613F
BWINTHE BALDWIN INSURANCE GRP IN0.18%2,710,068$59,458,892-300,360-9.98%$21.9413F
FICOFAIR ISAAC CORP0.18%57,929$61,841,525-10,722-15.62%$1067.5413F
DRVNDRIVEN BRANDS HLDGS INC0.17%4,500,196$56,747,472-500,065-10%$12.6113F
CAKECHEESECAKE FACTORY INC0.16%1,000,037$54,752,026-250,000-20%$54.7513F
CPNGCOUPANG INC0.16%2,809,513$53,043,605-1,464,837-34.27%$18.8813F
IBPINSTALLED BLDG PRODS INC0.16%198,216$52,556,972-224,966-53.16%$265.1513F
INTAINTAPP INC0.16%2,144,270$55,086,296-1,183,719-35.57%$25.6913F
MSGSMADISON SQUARE GRDN SPRT COR0.16%165,015$53,035,821-35,000-17.5%$321.413F
ROLROLLINS INC0.16%998,020$53,304,248-210,519-17.42%$53.4113F
KTOSKRATOS DEFENSE & SEC SOLUTIO0.15%715,395$50,442,501-494,378-40.87%$70.5113F
WSTWEST PHARMACEUTICAL SVSC INC0.15%199,750$50,065,340-63,439-24.1%$250.6413F
HEIHEICO CORP0.14%167,976$46,059,019-9,657-5.44%$274.213F
LOWLOWES COS INC0.14%206,788$48,859,869-15,045-6.78%$236.2813F
MRCYMERCURY SYS INC0.14%645,066$47,031,762-190,757-22.82%$72.9113F
NEOGNEOGEN CORP0.14%5,009,659$46,539,732-500,000-9.07%$9.2913F
ICLRICON PLC0.14%426,805$47,230,241-107,443-20.11%$110.6613F
SQMSOCIEDAD QUIMICA Y MINERA DE0.13%560,774$45,389,048-1,331-0.24%$80.9413F
TWTRADEWEB MKTS INC0.13%367,448$43,233,932-13,889-3.64%$117.6613F
ISRGINTUITIVE SURGICAL INC0.13%97,297$44,852,944-37-0.04%$460.9913F
TRUTRANSUNION0.13%641,179$44,363,175-172,174-21.17%$69.1913F
ASGNEVERFORTH INC0.12%1,060,800$41,063,568-250,000-19.07%$38.7113F
WMSADVANCED DRAIN SYS INC DEL0.12%291,152$39,925,674-3,526-1.2%$137.1313F
MAMASTERCARD INCORPORATED0.12%79,754$39,849,884-204-0.26%$499.6613F
PRMBPRIMO BRANDS CORPORATION0.12%2,186,585$41,173,396-65,927-2.93%$18.8313F
VMCVULCAN MATLS CO0.12%153,819$41,884,914-71,313-31.68%$272.313F
ALKTALKAMI TECHNOLOGY INC0.11%2,308,036$36,166,924-675,029-22.63%$15.6713F
LPLALPL FINL HLDGS INC0.11%121,778$36,634,476-53,467-30.51%$300.8313F
SSNCSS&C TECH HLDGS0.11%572,451$38,680,514-6,222-1.08%$67.5713F
COOCOOPER COS INC0.10%454,864$32,522,776-209,627-31.55%$71.513F
YMMFULL TRUCK ALLIANCE CO LTD0.10%4,184,358$34,730,171-1,588,265-27.51%$8.313F
SKYCHAMPION HOMES INC0.10%469,822$34,940,662-255,720-35.25%$74.3713F
WINGWINGSTOP INC0.10%207,987$32,231,745-7,244-3.37%$154.9713F
TECHBIO-TECHNE CORP0.09%561,441$29,340,907-646,058-53.5%$52.2613F
BXMTBLACKSTONE MORTGAGE TRUST IN0.09%1,568,430$30,035,434-432,191-21.6%$19.1513F
NCNONCINO INC0.09%2,050,073$30,710,094-52,664-2.5%$14.9813F
SPGSIMON PPTY GROUP INC0.09%166,058$30,974,799-86,732-34.31%$186.5313F
VEEVVEEVA SYS INC0.09%168,126$29,533,013-93,944-35.85%$175.6613F
WCNWASTE CONNECTIONS INC0.09%192,621$31,289,355-7,379-3.69%$162.4413F
FROGJFROG LTD0.09%620,313$29,111,289-873,205-58.47%$46.9313F
AVNTAVIENT CORPORATION0.08%778,000$28,241,400-222,000-22.2%$36.313F
EQREQUITY RESIDENTIAL0.08%473,496$28,007,288-201,785-29.88%$59.1513F
ILMNILLUMINA INC0.08%219,359$27,038,190-207-0.09%$123.2613F
MSFTMICROSOFT CORP0.08%73,753$27,301,148-268,005-78.42%$370.1713F
NVMINOVA LTD0.08%59,858$25,995,132-94,653-61.26%$434.2813F
CDWCDW CORP0.07%202,373$24,491,180-28,870-12.48%$121.0213F
SSENTINELONE INC0.07%1,908,204$24,577,668-628,392-24.77%$12.8813F
ZSZSCALER INC0.07%173,025$24,273,677-17,943-9.4%$140.2913F
AFYAAFYA LTD0.07%1,483,658$22,061,994-204,616-12.12%$14.8713F
WTWWILLIS TOWERS WATSON PLC LTD0.07%85,918$24,976,363-470-0.54%$290.713F
KKRKKR & CO INC0.06%233,268$21,577,290-13,083-5.31%$92.513F
PONYPONY AI INC0.06%2,125,643$20,066,070-460,938-17.82%$9.4413F
TMETENCENT MUSIC ENTMT GROUP0.06%2,059,399$19,111,223-8,706-0.42%$9.2813F
BAMBROOKFIELD ASSET MANAGMT LTD0.05%398,072$17,694,300-586,799-59.58%$44.4513F
INSPINSPIRE MED SYS INC0.05%298,470$15,395,083-39,016-11.56%$51.5813F
NPNEPTUNE INS HLDGS INC0.05%708,474$17,137,986-254-0.04%$24.1913F
ARXACCELERANT HOLDINGS0.05%1,208,794$16,149,488-320-0.03%$13.3613F
APOAPOLLO GLOBAL MGMT INC0.04%110,119$12,269,459-14,695-11.77%$111.4213F
DXCMDEXCOM INC0.04%241,000$15,134,800-16,500-6.41%$62.813F
PARPAR TECHNOLOGY CORP0.04%944,301$12,587,532-60,235-6%$13.3313F
NOWSERVICENOW INC0.04%134,330$14,044,201-90,636-40.29%$104.5513F
STUBSTUBHUB HLDGS INC0.04%1,931,317$12,051,418-1,021,896-34.6%$6.2413F
WIXWIX COM LTD0.04%136,080$12,256,726-10,136-6.93%$90.0713F
BXBLACKSTONE INC0.03%94,599$10,877,939-485,411-83.69%$114.9913F
AHRAMERICAN HEALTHCARE REIT INC0.03%204,159$9,628,138-22,300-9.85%$47.1613F
IEXIDEX CORP0.03%52,776$10,003,691-18,538-25.99%$189.5513F
INTUINTUIT0.03%20,335$8,792,447-128-0.63%$432.3813F
MCMOELIS & CO0.03%163,197$9,302,229-350,000-68.2%$5713F
XYZBLOCK INC0.03%165,728$9,973,511-194,617-54.01%$60.1813F
TMOTHERMO FISHER SCIENTIFIC INC0.03%23,670$11,634,515-5,150-17.87%$491.5313F
EXREXTRA SPACE STORAGE INC0.02%60,011$7,869,242-4,724-7.3%$131.1313F
MUFGMITSUBISHI UFJ FINANCIAL GRO0.02%336,533$5,710,965-86,431-20.43%$16.9713F
PDDPDD HOLDINGS INC0.02%61,948$6,329,847-438-0.7%$102.1813F
VIAVIA TRANSN INC0.02%370,985$5,564,775-148,395-28.57%$1513F
AAGILENT TECHNOLOGIES INC0.01%36,589$4,170,414-2,188-5.64%$113.9813F
AMTAMERICAN TOWER CORP0.01%23,709$4,091,699-244,104-91.15%$172.5813F
CWANCLEARWATER ANALYTICS HLDGS I0.01%154,864$3,662,534-7,661,583-98.02%$23.6513F
ESSESSEX PPTY TR INC0.01%16,125$3,902,250-2,400-12.96%$24213F
SAILSAILPOINT INC0.01%292,597$3,873,984-606,196-67.45%$13.2413F
VRSNVERISIGN INC0.01%14,404$3,577,377-13,686-48.72%$248.3613F
VKTXVIKING THERAPEUTICS INC0.01%125,486$4,083,314-341-0.27%$32.5413F
DBDEUTSCHE BK AG0.01%139,697$4,160,177-62,705-30.98%$29.7813F
FVRRFIVERR INTL LTD0.00971%327,869$3,285,247-14,475-4.23%$10.0213F
INSMINSMED INC0.00967%20,000$3,270,400-18,200-47.64%$163.5213F
AEMAGNICO EAGLE MINES LTD0.00802%13,367$2,713,234-1,555-10.42%$202.9813F
AMHAMERICAN HOMES 4 RENT0.00775%93,977$2,623,838-118,402-55.75%$27.9213F
SYKSTRYKER CORPORATION0.00534%5,500$1,807,245-2,500-31.25%$328.5913F
SNPSSYNOPSYS INC0.00524%4,473$1,773,455-18,782-80.77%$396.4813F
ABBVABBVIE INC0.00514%8,000$1,739,920-16,800-67.74%$217.4913F
HDBHDFC BANK LTD0.00465%63,292$1,574,705-48,579-43.42%$24.8813F
XENEXENON PHARMACEUTICALS INC0.00430%25,000$1,453,750-5,000-16.67%$58.1513F
MUMICRON TECHNOLOGY INC0.00334%3,347$1,130,750-3,004-47.3%$337.8413F
COFCAPITAL ONE FINL CORP0.00324%6,000$1,094,580-135-2.2%$182.4313F
ODDODDITY TECH LTD0.00248%62,630$837,989-1,291,085-95.37%$13.3813F
JKHYHENRY JACK & ASSOC INC0.00234%5,016$792,729-94-1.84%$158.0413F
PGRPROGRESSIVE CORP0.00202%3,452$684,324-128-3.58%$198.2413F
ABVXABIVAX SA0.00181%5,500$612,425-19,500-78%$111.3513F
HOODROBINHOOD MKTS INC0.00158%7,720$534,996-8,230-51.6%$69.313F
EFXEQUIFAX INC0.00144%2,704$486,909-161-5.62%$180.0713F
RHIROBERT HALF INC.0.00117%15,600$396,240-42,000-72.92%$25.413F
TEAMATLASSIAN CORPORATION0.00037%1,845$125,921-217,438-99.16%$68.2513F