Bamco Inc Portfolio Stock Holdings
Bamco Inc disclosed 326 stock positions valued at approximately $33.1 billion in its latest SEC 13F filing. The largest holdings include TESLA INC, ARCH CAP GROUP LTD, and MSCI INC. The filing reflects positions held as of March 31, 2026 and was filed on May 15, 2026.
- Report Period
- March 31, 2026
- No. of Stocks
- 326
- Portfolio Value
- $33.1B
Holdings by Sector
Bamco Inc Portfolio Holdings in Q1 2026
301 holdings in the latest reporting period.
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| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| TESLA INC | TSLA | Consumer Cyclical | 13.39% | 11,933,509 | +6,034 | +0.05% | $4,436,281,971 |
| ARCH CAP GROUP LTD | G0450A105 | Other | 4.84% | 16,709,759 | -1,277,746 | -7.10% | $1,603,969,766 |
| MSCI INC | MSCI | Financial Services | 4.39% | 2,699,389 | -56,358 | -2.05% | $1,454,997,665 |
| GUIDEWIRE SOFTWARE INC | GWRE | Technology | 2.98% | 6,597,453 | +1,449,903 | +28.17% | $986,715,071 |
| GARTNER INC | IT | Technology | 2.83% | 5,917,616 | +1,704,659 | +40.46% | $936,995,317 |
| IDEXX LABS INC | IDXX | Healthcare | 2.77% | 1,633,367 | -164,674 | -9.16% | $917,772,584 |
| HYATT HOTELS CORP | H | Consumer Cyclical | 2.75% | 6,341,673 | +235,188 | +3.85% | $911,869,161 |
| FIGS INC | FIGS | Consumer Cyclical | 2.67% | 59,959,449 | - | - | $885,601,062 |
| FACTSET RESH SYS INC | FDS | Financial Services | 2.46% | 3,756,587 | +867,742 | +30.04% | $815,141,813 |
| CHOICE HOTELS INTL INC | CHH | Consumer Cyclical | 2.40% | 7,690,494 | +303,919 | +4.11% | $795,966,129 |
| RED ROCK RESORTS INC | RRR | Consumer Cyclical | 2.16% | 13,412,846 | +892,954 | +7.13% | $715,709,463 |
| SCHWAB CHARLES CORP | SCHW | Financial Services | 2.12% | 7,464,316 | +404,007 | +5.72% | $701,496,418 |
| KINSALE CAP GROUP INC | KNSL | Financial Services | 2.09% | 2,027,765 | +246,564 | +13.84% | $692,806,190 |
| COSTAR GROUP INC | CSGP | Real Estate | 1.99% | 16,314,175 | -3,183,924 | -16.33% | $658,113,819 |
| VAIL RESORTS INC | MTN | Consumer Cyclical | 1.95% | 5,043,533 | +233,605 | +4.86% | $647,186,155 |
| SPOTIFY TECHNOLOGY S A | SPOT | Other | 1.93% | 1,319,525 | +322,234 | +32.31% | $639,850,868 |
| SHOPIFY INC | SHOP | Technology | 1.69% | 4,718,230 | +2,429,960 | +106.19% | $559,676,443 |
| NVIDIA CORPORATION | NVDA | Technology | 1.54% | 2,919,758 | -69,185 | -2.31% | $509,205,795 |
| VERISK ANALYTICS INC | VRSK | Industrials | 1.44% | 2,511,976 | +1,209,365 | +92.84% | $476,647,446 |
| BIRKENSTOCK HOLDING PLC | BIRK | Other | 1.01% | 9,366,068 | +1,400,031 | +17.57% | $335,586,216 |
| ON HLDG AG | ONON | Other | 1.00% | 9,714,605 | +4,309,119 | +79.72% | $330,490,862 |
| VERTIV HOLDINGS CO | VRT | Industrials | 0.89% | 1,181,144 | -364,428 | -23.58% | $295,971,064 |
| SITEONE LANDSCAPE SUPPLY INC | SITE | Industrials | 0.83% | 2,059,076 | +30,710 | +1.51% | $274,083,606 |
| INTERACTIVE BROKERS GROUP IN | IBKR | Financial Services | 0.82% | 4,047,376 | -596,000 | -12.84% | $271,457,508 |
| AMAZON COM INC | AMZN | Consumer Cyclical | 0.81% | 1,294,654 | +69,495 | +5.67% | $269,637,589 |
| WELLTOWER INC | WELL | Real Estate | 0.80% | 1,344,941 | +67,449 | +5.28% | $265,908,285 |
| EQUINIX INC | EQIX | Real Estate | 0.72% | 243,975 | +98,546 | +67.76% | $239,154,054 |
| PRIMERICA INC | PRI | Financial Services | 0.65% | 860,026 | -272,518 | -24.06% | $215,419,312 |
| TAIWAN SEMICONDUCTOR MANUFAC | TSM | Technology | 0.65% | 636,267 | +1,615 | +0.25% | $215,026,433 |
| AMPHENOL CORP | APH | Technology | 0.63% | 1,659,690 | -51,052 | -2.98% | $209,701,831 |
| GDS HLDGS LTD | GDS | Technology | 0.56% | 4,597,246 | +812,398 | +21.46% | $185,223,041 |
| AIRBNB INC | ABNB | Consumer Cyclical | 0.55% | 1,441,221 | +561,145 | +63.76% | $181,997,388 |
| QUANTA SVCS INC | PWR | Industrials | 0.54% | 325,840 | -2,170 | -0.66% | $178,892,677 |
| WYNN RESORTS LTD | WYNN | Consumer Cyclical | 0.53% | 1,736,856 | +517,266 | +42.41% | $176,377,727 |
| METTLER TOLEDO INTERNATIONAL | MTD | Healthcare | 0.51% | 133,639 | -12,695 | -8.68% | $168,545,507 |
| SAMSARA INC | IOT | Technology | 0.49% | 5,119,835 | +999,804 | +24.27% | $162,247,571 |
| BROADCOM INC | AVGO | Technology | 0.49% | 523,219 | -14,621 | -2.72% | $161,941,513 |
| HOULIHAN LOKEY INC | HLI | Financial Services | 0.46% | 1,061,403 | -62,548 | -5.57% | $152,438,699 |
| META PLATFORMS INC | META | Communication Services | 0.44% | 256,700 | -13,426 | -4.97% | $146,865,771 |
| CBRE GROUP INC | CBRE | Real Estate | 0.44% | 1,074,451 | -284,881 | -20.96% | $145,545,132 |
| PROLOGIS INC. | PLD | Real Estate | 0.43% | 1,065,747 | -43,380 | -3.91% | $140,870,438 |
| LOAR HOLDINGS INC | LOAR | Industrials | 0.41% | 2,366,299 | +246,794 | +11.64% | $135,565,270 |
| MORNINGSTAR INC | MORN | Financial Services | 0.39% | 759,515 | -482,279 | -38.84% | $128,396,011 |
| TOLL BROTHERS INC | TOL | Consumer Cyclical | 0.38% | 932,031 | -234,239 | -20.08% | $127,194,271 |
| BROOKFIELD CORP | BN | Financial Services | 0.35% | 2,905,510 | -730,407 | -20.09% | $117,585,990 |
| ALPHABET INC | GOOGL | Communication Services | 0.33% | 382,577 | +225,079 | +142.91% | $110,013,842 |
| NOVANTA INC | NOVT | Technology | 0.33% | 915,083 | -21,879 | -2.34% | $108,080,453 |
| ARGENX SE | ARGX | Healthcare | 0.31% | 138,648 | -15,071 | -9.80% | $101,247,702 |
| RBC BEARINGS INC | RBC | Industrials | 0.30% | 181,481 | -121,629 | -40.13% | $98,565,961 |
| ENPRO INC | NPO | Industrials | 0.30% | 391,730 | +92,880 | +31.08% | $98,187,124 |
| CLOUDFLARE INC | NET | Technology | 0.28% | 457,324 | +47,720 | +11.65% | $94,364,234 |
| DRAFTKINGS INC | DKNG | Consumer Cyclical | 0.28% | 4,218,766 | -455,689 | -9.75% | $91,209,721 |
| TRANSDIGM GROUP INC | TDG | Industrials | 0.28% | 78,664 | +865 | +1.11% | $91,168,429 |
| BRIGHT HORIZONS FAM SOL IN D | BFAM | Consumer Cyclical | 0.27% | 1,102,308 | +88,820 | +8.76% | $90,532,556 |
| PLANET FITNESS MASTER ISSUER | PLNT | Consumer Cyclical | 0.27% | 1,200,064 | +50,036 | +4.35% | $89,260,760 |
| HEICO CORP | HEI-A | Industrials | 0.27% | 419,407 | -14,935 | -3.44% | $88,532,624 |
| DIGITAL RLTY TR INC | DLR | Real Estate | 0.26% | 484,763 | +346,585 | +250.83% | $87,359,140 |
| ADVANCED ENERGY INDS | AEIS | Industrials | 0.26% | 268,725 | -30,416 | -10.17% | $86,720,245 |
| PROCORE TECHNOLOGIES INC | PCOR | Technology | 0.26% | 1,499,091 | -16,891 | -1.11% | $85,448,187 |
| COGNEX CORP | CGNX | Technology | 0.26% | 1,740,166 | -160,000 | -8.42% | $85,250,732 |
| JBT MAREL CORPORATION | JBT | Industrials | 0.25% | 660,040 | -40,000 | -5.71% | $84,399,315 |
| GAMING & LEISURE P | GLPI | Real Estate | 0.25% | 1,846,273 | -12,523 | -0.67% | $81,919,133 |
| VENTAS INC | VTR | Real Estate | 0.25% | 998,339 | -221,144 | -18.13% | $81,644,163 |
| HILTON WORLDWIDE HLDGS INC | HLT | Consumer Cyclical | 0.24% | 265,363 | -2,340 | -0.87% | $80,691,581 |
| DYNATRACE INC | DT | Technology | 0.24% | 2,159,694 | +660,194 | +44.03% | $79,865,484 |
| ALIBABA GROUP HLDG LTD | BABA | Consumer Cyclical | 0.24% | 635,540 | -436,107 | -40.70% | $79,734,848 |
| ELI LILLY & CO | LLY | Healthcare | 0.24% | 85,066 | -1,410 | -1.63% | $78,241,155 |
| CRH PLC | CRH | Other | 0.23% | 739,176 | -105,458 | -12.49% | $77,702,181 |
| MACERICH CO | MAC | Real Estate | 0.23% | 4,084,693 | +798,432 | +24.30% | $77,200,698 |
| CREDICORP LTD | BAP | Other | 0.23% | 222,224 | -62,820 | -22.04% | $75,373,936 |
| INDIE SEMICONDUCTOR INC | INDI | Technology | 0.23% | 23,337,826 | +1,632,084 | +7.52% | $75,147,800 |
| MERCADOLIBRE INC | MELI | Consumer Cyclical | 0.22% | 42,793 | -19,171 | -30.94% | $73,989,953 |
| JONES LANG LASALLE INC | JLL | Real Estate | 0.22% | 241,208 | -323,089 | -57.26% | $73,404,419 |
| PUBLIC STORAGE OPER CO | PSA | Real Estate | 0.22% | 266,847 | +266,847 | +100.00% | $72,283,515 |
| SERVICETITAN INC | TTAN | Other | 0.21% | 1,114,416 | +17,485 | +1.59% | $70,720,839 |
| AAON INC | AAON | Industrials | 0.21% | 844,377 | +106,361 | +14.41% | $69,872,197 |
| DATADOG INC | DDOG | Technology | 0.21% | 587,382 | +96,800 | +19.73% | $69,340,445 |
| MONOLITHIC PWR SYS INC | MPWR | Technology | 0.21% | 62,994 | -2,233 | -3.42% | $68,874,490 |
| LIBERTY MEDIA CORP DEL | FWONK | Communication Services | 0.21% | 800,000 | -100,000 | -11.11% | $68,016,000 |
| LAS VEGAS SANDS CORP | LVS | Consumer Cyclical | 0.20% | 1,226,430 | -271,462 | -18.12% | $66,080,048 |
| ROPER TECHNOLOGIES INC | ROP | Technology | 0.20% | 186,159 | -21,278 | -10.26% | $65,874,224 |
| FLOOR & DECOR HLDGS INC | FND | Consumer Cyclical | 0.20% | 1,273,764 | -80,637 | -5.95% | $64,707,211 |
| REPLIGEN CORP | RGEN | Healthcare | 0.20% | 548,346 | +3,567 | +0.65% | $64,606,126 |
| JEFFERIES FINANCIAL GROUP IN | JEF | Financial Services | 0.19% | 1,530,228 | +933,700 | +156.52% | $63,152,510 |
| HEALTHEQUITY INC | HQY | Healthcare | 0.19% | 750,025 | -6,000 | -0.79% | $62,679,589 |
| FAIR ISAAC CORP | FICO | Technology | 0.19% | 57,929 | -10,722 | -15.62% | $61,841,525 |
| SNOWFLAKE INC | SNOW | Technology | 0.18% | 398,468 | +16,590 | +4.34% | $60,096,944 |
| THE BALDWIN INSURANCE GRP IN | BWIN | Financial Services | 0.18% | 2,710,068 | -300,360 | -9.98% | $59,458,892 |
| CAREDX INC | CDNA | Healthcare | 0.17% | 3,336,409 | +181,229 | +5.74% | $57,920,060 |
| CASELLA WASTE SYS INC | CWST | Industrials | 0.17% | 718,461 | +272,219 | +61.00% | $57,002,696 |
| DRIVEN BRANDS HLDGS INC | DRVN | Consumer Cyclical | 0.17% | 4,500,196 | -500,065 | -10.00% | $56,747,472 |
| WAYSTAR HLDG CORP | WAY | Healthcare | 0.17% | 2,325,569 | +931,935 | +66.87% | $56,069,469 |
| INTAPP INC | INTA | Technology | 0.17% | 2,144,270 | -1,183,719 | -35.57% | $55,086,296 |
| CHEESECAKE FACTORY INC | CAKE | Consumer Cyclical | 0.17% | 1,000,037 | -250,000 | -20.00% | $54,752,026 |
| ESTABLISHMENT LABS HLDGS INC | ESTA | Other | 0.17% | 964,167 | +2,941 | +0.31% | $54,745,402 |
| VISA INC | V | Financial Services | 0.16% | 180,092 | +2,944 | +1.66% | $54,431,006 |
| IRON MTN INC DEL | IRM | Real Estate | 0.16% | 525,270 | +525,270 | +100.00% | $53,651,078 |
| ROLLINS INC | ROL | Consumer Cyclical | 0.16% | 998,020 | -210,519 | -17.42% | $53,304,248 |
| COUPANG INC | CPNG | Consumer Cyclical | 0.16% | 2,809,513 | -1,464,837 | -34.27% | $53,043,605 |
| MADISON SQUARE GRDN SPRT COR | MSGS | Communication Services | 0.16% | 165,015 | -35,000 | -17.50% | $53,035,821 |