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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
TSLATESLA INC13.11%11,933,509$4,436,281,9716,0340.05%$371.7513F
ITGartner, Inc.3.65%7,558,310$1,225,957,8821,640,69427.73%13G
GWREGuidewire Software, Inc.3.33%8,987,623$1,105,927,0102,390,17036.23%13G
RRRRed Rock Resorts, Inc.2.82%16,337,187$953,764,9772,924,34121.80%13G
HHYATT HOTELS CORP2.70%6,341,673$911,869,161235,1883.85%$143.7913F
FDSFACTSET RESH SYS INC2.41%3,756,587$815,141,813867,74230.04%$216.9913F
CHHCHOICE HOTELS INTL INC2.35%7,690,494$795,966,129303,9194.11%$103.513F
KNSLKinsale Capital Group, Inc.2.26%2,472,900$753,665,733445,13521.95%13G
SCHWSCHWAB CHARLES CORP2.07%7,464,316$701,496,418404,0075.72%$93.9813F
MTNVAIL RESORTS INC1.91%5,043,533$647,186,155233,6054.86%$128.3213F
SPOTSPOTIFY TECHNOLOGY S A1.89%1,319,525$639,850,868322,23432.31%$484.9113F
SHOPSHOPIFY INC1.65%4,718,230$559,676,4432,429,960106.19%$118.6213F
VRSKVERISK ANALYTICS INC1.41%2,511,976$476,647,4461,209,36592.84%$189.7513F
BIRKBIRKENSTOCK HOLDING PLC0.99%9,366,068$335,586,2161,400,03117.57%$35.8313F
ONONON HLDG AG0.98%9,714,605$330,490,8624,309,11979.72%$34.0213F
SITESITEONE LANDSCAPE SUPPLY INC0.81%2,059,076$274,083,60630,7101.51%$133.1113F
AMZNAMAZON COM INC0.80%1,294,654$269,637,58969,4955.67%$208.2713F
WELLWELLTOWER INC0.79%1,344,941$265,908,28567,4495.28%$197.7113F
EQIXEQUINIX INC0.71%243,975$239,154,05498,54667.76%$980.2413F
TSMTAIWAN SEMICONDUCTOR MANUFAC0.64%636,267$215,026,4331,6150.25%$337.9513F
GDSGDS HLDGS LTD0.55%4,597,246$185,223,041812,39821.46%$40.2913F
ABNBAIRBNB INC0.54%1,441,221$181,997,388561,14563.76%$126.2813F
WYNNWYNN RESORTS LTD0.52%1,736,856$176,377,727517,26642.41%$101.5513F
IOTSAMSARA INC0.48%5,119,835$162,247,571999,80424.27%$31.6913F
LOARLOAR HOLDINGS INC0.40%2,366,299$135,565,270246,79411.64%$57.2913F
GOOGLALPHABET INC0.33%382,577$110,013,842225,079142.91%$287.5613F
NPOENPRO INC0.29%391,730$98,187,12492,88031.08%$250.6513F
NETCLOUDFLARE INC0.28%457,324$94,364,23447,72011.65%$206.3413F
HTFLHEARTFLOW INC0.28%3,827,531$93,123,8291,523,65466.13%$24.3313F
BFAMBRIGHT HORIZONS FAM SOL IN D0.27%1,102,308$90,532,55688,8208.76%$82.1313F
TDGTRANSDIGM GROUP INC0.27%78,664$91,168,4298651.11%$1158.9613F
DLRDIGITAL RLTY TR INC0.26%484,763$87,359,140346,585250.83%$180.2113F
PLNTPLANET FITNESS MASTER ISSUER0.26%1,200,064$89,260,76050,0364.35%$74.3813F
DTDYNATRACE INC0.24%2,159,694$79,865,484660,19444.03%$36.9813F
MACMACERICH CO0.23%4,084,693$77,200,698798,43224.3%$18.913F
INDIINDIE SEMICONDUCTOR INC0.22%23,337,826$75,147,8001,632,0847.52%$3.2213F
AAONAAON INC0.21%844,377$69,872,197106,36114.41%$82.7513F
TTANSERVICETITAN INC0.21%1,114,416$70,720,83917,4851.59%$63.4613F
DDOGDATADOG INC0.20%587,382$69,340,44596,80019.73%$118.0513F
JEFJEFFERIES FINANCIAL GROUP IN0.19%1,530,228$63,152,510933,700156.52%$41.2713F
RGENREPLIGEN CORP0.19%548,346$64,606,1263,5670.65%$117.8213F
SNOWSNOWFLAKE INC0.18%398,468$60,096,94416,5904.34%$150.8213F
BLLNBILLIONTOONE INC0.17%741,485$58,532,826571,485336.17%$78.9413F
CDNACAREDX INC0.17%3,336,409$57,920,060181,2295.74%$17.3613F
CWSTCASELLA WASTE SYS INC0.17%718,461$57,002,696272,21961%$79.3413F
WAYWAYSTAR HLDG CORP0.17%2,325,569$56,069,469931,93566.87%$24.1113F
VVISA INC0.16%180,092$54,431,0062,9441.66%$302.2413F
ESTAESTABLISHMENT LABS HLDGS INC0.16%964,167$54,745,4022,9410.31%$56.7813F
AXONAXON ENTERPRISE INC0.15%117,942$50,088,78811,50110.81%$424.6913F
TXRHTEXAS ROADHOUSE INC0.15%315,698$52,134,3688120.26%$165.1413F
NUNU HLDGS LTD0.15%3,529,651$50,721,085194,3615.83%$14.3713F
XPXP INC0.15%2,674,571$50,923,8321,479,094123.72%$19.0413F
BMIBADGER METER INC0.14%312,213$47,565,65112,1674.06%$152.3513F
MEGMONTROSE ENVIRONMENTAL GROUP0.14%2,168,183$47,461,5267,5840.35%$21.8913F
ASMLASML HLDG NV0.14%35,625$47,054,56911,19445.82%$1320.8313F
CRWDCROWDSTRIKE HLDGS INC0.13%110,588$43,174,66138,86754.19%$390.4113F
FIGFIGMA INC0.13%2,052,204$43,383,5931,302,204173.63%$21.1413F
HNGEHINGE HEALTH INC0.13%1,130,053$43,574,844130,48313.05%$38.5613F
LYVLIVE NATION ENTERTAINMENT IN0.13%296,628$45,238,73618,8276.78%$152.5113F
GOOGALPHABET INC0.12%139,018$39,878,70321,23418.03%$286.8613F
BAHBOOZ ALLEN HAMILTON HLDG COR0.12%507,649$39,611,85138,3858.18%$78.0313F
RKTROCKET COS INC0.12%2,828,334$40,303,7591,429,974102.26%$14.2513F
SITMSITIME CORP0.12%116,961$40,392,4814680.4%$345.3513F
STEPSTEPSTONE GROUP INC0.12%830,574$39,634,991100,01713.69%$47.7213F
TEMTEMPUS AI INC0.12%899,278$40,665,351543,832153%$45.2213F
EXPOEXPONENT INC0.10%496,733$32,411,82825,8655.49%$65.2513F
NTSKNETSKOPE INC0.10%3,824,078$32,466,422842,33528.25%$8.4913F
TMHCTAYLOR MORRISON HOME CORP0.10%554,505$32,294,371154,08638.48%$58.2413F
STVNSTEVANATO GROUP S P A0.10%2,500,438$34,381,022498,71424.91%$13.7513F
ZLABZAI LAB LTD0.09%1,658,318$31,192,962240,31316.95%$18.8113F
GLIBKGCI LIBERTY INC0.08%688,388$25,614,9176,9481.02%$37.2113F
VRNSVARONIS SYS INC0.08%1,239,294$26,607,64213,0541.06%$21.4713F
ANDGANDERSEN GROUP INC0.07%900,149$24,484,053400,14980.03%$27.213F
ARQTARCUTIS BIOTHERAPEUTICS INC0.07%1,072,189$25,260,773567,489112.44%$23.5613F
LRCXLAM RESEARCH CORP0.07%116,670$24,927,71288,641316.25%$213.6613F
FWONALIBERTY MEDIA CORP DEL0.07%316,574$24,718,0984,9861.6%$78.0813F
MIRMIRION TECHNOLOGIES INC0.07%1,213,748$22,563,575563,74886.73%$18.5913F
TWFGTWFG INC0.06%1,135,099$20,874,471180,63618.93%$18.3913F
VCYTVERACYTE INC0.06%655,522$21,114,3649,9011.53%$32.2113F
CMECME GROUP INC0.05%51,700$15,269,5952630.51%$295.3513F
COHRCOHERENT CORP0.05%66,982$15,955,78237,500127.2%$238.2113F
EPACENERPAC TOOL GROUP CORP0.05%447,643$16,325,5401,4260.32%$36.4713F
MCOMOODYS CORP0.05%36,232$15,806,2105231.46%$436.2513F
SPGIS&P GLOBAL INC0.05%39,177$16,663,5452700.69%$425.3413F
TRNSTRANSCAT INC0.05%230,354$16,919,50126,87713.21%$73.4513F
AGYSAGILYSYS INC0.04%206,401$14,683,36785,55570.8%$71.1413F
ANETARISTA NETWORKS INC0.04%104,728$12,858,50426,74634.3%$122.7813F
HSTHOST HOTELS & RESORTS INC0.04%694,087$13,298,707273,54365.05%$19.1613F
LITELUMENTUM HLDGS INC0.04%20,980$14,743,9057,05050.61%$702.7613F
VACMARRIOTT VACATIONS WORLDWIDE0.04%214,280$13,953,914172,480412.63%$65.1213F
RBRKRUBRIK INC.0.04%277,535$13,590,889272,7835740.38%$48.9713F
SPRYARS PHARMACEUTICALS INC0.03%1,273,341$10,224,9284,8090.38%$8.0313F
WYWEYERHAEUSER CO0.03%451,631$11,033,34572,78319.21%$24.4313F
ADCAGREE RLTY CORP0.02%83,347$6,282,6979,21912.44%$75.3813F
JNJJOHNSON & JOHNSON0.02%22,500$5,499,90018,900525%$244.4413F
ELANELANCO ANIMAL HEALTH INC0.01%163,463$3,911,67083,463104.33%$23.9313F
GILDGILEAD SCIENCES INC0.01%30,000$4,181,1003,50013.21%$139.3713F
TEVATEVA PHARMACEUTICAL INDS LTD0.01%130,000$3,915,60010,0008.33%$30.1213F
IONSIONIS PHARMACEUTICALS INC0.00999%45,000$3,379,0509,00025%$75.0913F
VRTXVERTEX PHARMACEUTICALS INC0.00990%7,500$3,349,0502,30044.23%$446.5413F
NTRANATERA INC0.00984%16,646$3,329,03414,994907.63%$199.9913F
EWEDWARDS LIFESCIENCES CORP0.00975%41,176$3,297,3747,05120.66%$80.0813F
MDGLMADRIGAL PHARMACEUTICALS INC0.00820%5,300$2,774,3912,800112%$523.4713F
PODDINSULET CORP0.00696%11,229$2,356,2933,34342.39%$209.8413F
PTGXPROTAGONIST THERAPEUTICS INC0.00467%15,000$1,581,0006,70080.72%$105.413F
MSMORGAN STANLEY0.00443%9,100$1,497,5872,50037.88%$164.5713F
BLKBLACKROCK INC0.00316%1,110$1,067,498585.51%$961.7113F
LSCCLATTICE SEMICONDUCTOR CORP0.00200%7,292$676,4063,46590.54%$92.7613F
RACEFERRARI N V0.00150%1,503$508,6901,4051433.67%$338.4513F
CMGCHIPOTLE MEXICAN GRILL INC0.00131%13,803$441,8344,89154.88%$32.0113F
HLNEHAMILTON LANE INC0.00118%4,000$397,6001,88789.3%$99.413F
RDDTREDDIT INC0.00110%2,760$371,6341,967248.05%$134.6513F
BWXTBWX TECHNOLOGIES INC0.00098%1,626$332,50176789.29%$204.4913F
WSOWATSCO INC0.00024%227$82,580124120.39%$363.7913F