Holders — by stockHoldings — by fund
BAMCO INC /NY/
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 1017918
$66.64B
disclosed book value
345
positions
37.4%
largest position share
Positions, as of 2026-06-30
top 100 of 345 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | SPCXSPACE EXPLORATION TECHN CORP | 145.8M | $24.91B | 37.4% |
| 2 | TSLATESLA INC | 12.5M | $5.27B | 7.9% |
| 3 | MSCIMSCI INC | 3.2M | $1.80B | 2.7% |
| 4 | ARCH CAP GROUP LTD | 15.9M | $1.54B | 2.3% |
| 5 | HHYATT HOTELS CORP | 7.3M | $1.41B | 2.1% |
| 6 | SHOPSHOPIFY INC | 11.2M | $1.27B | 1.9% |
| 7 | SPOTIFY TECHNOLOGY S A | 2.4M | $1.12B | 1.7% |
| 8 | GWREGUIDEWIRE SOFTWARE INC | 9.0M | $1.11B | 1.7% |
| 9 | SCHWSCHWAB CHARLES CORP | 11.7M | $1.08B | 1.6% |
| 10 | RRRRED ROCK RESORTS INC | 16.4M | $1.07B | 1.6% |
| 11 | IDXXIDEXX LABS INC | 2.0M | $1.04B | 1.6% |
| 12 | CHHCHOICE HOTELS INTL INC | 9.3M | $1.03B | 1.5% |
| 13 | ITGARTNER INC | 7.6M | $985.2M | 1.5% |
| 14 | FDSFACTSET RESH SYS INC | 4.2M | $966.5M | 1.5% |
| 15 | MTNVAIL RESORTS INC | 6.5M | $890.0M | 1.3% |
| 16 | KNSLKINSALE CAP GROUP INC | 2.7M | $878.6M | 1.3% |
| 17 | VRSKVERISK ANALYTICS INC | 4.7M | $844.3M | 1.3% |
| 18 | BIRKENSTOCK HOLDING PLC | 14.7M | $634.2M | 1% |
| 19 | FIGSFIGS INC | 60.0M | $613.4M | 0.9% |
| 20 | CSGPCOSTAR GROUP INC | 21.6M | $612.5M | 0.9% |
| 21 | ON HLDG AG | 16.9M | $599.7M | 0.9% |
| 22 | NVDANVIDIA CORPORATION | 3.0M | $593.3M | 0.9% |
| 23 | MORNMORNINGSTAR INC | 3.5M | $545.9M | 0.8% |
| 24 | AMZNAMAZON COM INC | 2.0M | $466.3M | 0.7% |
| 25 | IBKRINTERACTIVE BROKERS GROUP IN | 4.8M | $418.4M | 0.6% |
| 26 | VRTVERTIV HOLDINGS CO | 979,821 | $328.1M | 0.5% |
| 27 | TSMTAIWAN SEMICONDUCTOR MANUFAC | 667,698 | $318.9M | 0.5% |
| 28 | APHAMPHENOL CORP | 1.6M | $281.8M | 0.4% |
| 29 | WELLWELLTOWER INC | 1.2M | $279.6M | 0.4% |
| 30 | IOTSAMSARA INC | 7.9M | $255.6M | 0.4% |
| 31 | ABNBAIRBNB INC | 1.8M | $251.6M | 0.4% |
| 32 | SITESITEONE LANDSCAPE SUPPLY INC | 2.0M | $232.1M | 0.3% |
| 33 | FPSFORGENT POWER SOLUTIONS INC | 4.1M | $227.5M | 0.3% |
| 34 | PWRQUANTA SVCS INC | 315,789 | $227.4M | 0.3% |
| 35 | EQIXEQUINIX INC | 195,637 | $203.9M | 0.3% |
| 36 | LOARLOAR HOLDINGS INC | 2.5M | $203.4M | 0.3% |
| 37 | GOOGLALPHABET INC | 546,232 | $195.2M | 0.3% |
| 38 | AVGOBROADCOM INC | 514,536 | $194.4M | 0.3% |
| 39 | GOOGALPHABET INC | 541,579 | $191.4M | 0.3% |
| 40 | PRIPRIMERICA INC | 671,453 | $190.8M | 0.3% |
| 41 | MTDMETTLER TOLEDO INTERNATIONAL | 138,464 | $176.9M | 0.3% |
| 42 | LVSLAS VEGAS SANDS CORP | 3.8M | $174.8M | 0.3% |
| 43 | LLYELI LILLY & CO | 140,540 | $168.6M | 0.3% |
| 44 | TOLTOLL BROTHERS INC | 1.0M | $166.2M | 0.2% |
| 45 | BLACKSTONE DIGITAL INFRASTRU | 7.6M | $164.8M | 0.2% |
| 46 | NPOENPRO INC | 399,482 | $150.6M | 0.2% |
| 47 | HEI/AHEICO CORP NEW | 562,662 | $145.1M | 0.2% |
| 48 | MRNAMODERNA INC | 2.0M | $139.3M | 0.2% |
| 49 | NOVTNOVANTA INC | 850,494 | $138.0M | 0.2% |
| 50 | DDOGDATADOG INC | 508,356 | $132.4M | 0.2% |
| 51 | CBRECBRE GROUP INC | 978,961 | $131.9M | 0.2% |
| 52 | METAMETA PLATFORMS INC | 233,313 | $131.4M | 0.2% |
| 53 | LLYVKLIBERTY LIVE HOLDINGS INC | 1.2M | $131.0M | 0.2% |
| 54 | GDSGDS HLDGS LTD | 4.2M | $127.5M | 0.2% |
| 55 | ARGXARGENX SE | 136,654 | $126.8M | 0.2% |
| 56 | MACMACERICH CO | 5.0M | $125.9M | 0.2% |
| 57 | HLIHOULIHAN LOKEY INC | 869,544 | $116.6M | 0.2% |
| 58 | NETCLOUDFLARE INC | 471,598 | $115.7M | 0.2% |
| 59 | MTHMERITAGE HOMES CORP | 1.3M | $112.5M | 0.2% |
| 60 | PLDPROLOGIS INC. | 790,347 | $107.1M | 0.2% |
| 61 | JEFJEFFERIES FINANCIAL GROUP IN | 2.1M | $107.0M | 0.2% |
| 62 | WMSADVANCED DRAIN SYS INC DEL | 680,431 | $106.8M | 0.2% |
| 63 | TDGTRANSDIGM GROUP INC | 78,501 | $104.6M | 0.2% |
| 64 | INDIINDIE SEMICONDUCTOR INC | 23.0M | $103.3M | 0.2% |
| 65 | RGENREPLIGEN CORP | 748,466 | $102.1M | 0.2% |
| 66 | CRWDCROWDSTRIKE HLDGS INC | 126,394 | $96.5M | 0.1% |
| 67 | HLTHILTON WORLDWIDE HLDGS INC | 291,397 | $96.3M | 0.1% |
| 68 | RBCRBC BEARINGS INC | 149,226 | $96.1M | 0.1% |
| 69 | JBTMJBT MAREL CORPORATION | 660,557 | $95.8M | 0.1% |
| 70 | DKNGDRAFTKINGS INC NEW | 3.8M | $95.2M | 0.1% |
| 71 | HTFLHEARTFLOW INC | 3.2M | $94.6M | 0.1% |
| 72 | CWSTCASELLA WASTE SYS INC | 965,239 | $93.6M | 0.1% |
| 73 | HNGEHINGE HEALTH INC | 1.1M | $92.8M | 0.1% |
| 74 | BNBROOKFIELD CORP | 2.1M | $90.8M | 0.1% |
| 75 | CGNXCOGNEX CORP | 1.3M | $90.6M | 0.1% |
| 76 | RBRKRUBRIK INC. | 1.1M | $89.5M | 0.1% |
| 77 | BILLIONTOONE INC | 742,093 | $89.0M | 0.1% |
| 78 | SNOWSNOWFLAKE INC | 341,931 | $87.0M | 0.1% |
| 79 | AXONAXON ENTERPRISE INC | 153,615 | $86.1M | 0.1% |
| 80 | GLPIGAMING & LEISURE P | 1.8M | $82.1M | 0.1% |
| 81 | MPWRMONOLITHIC PWR SYS INC | 58,604 | $81.0M | 0.1% |
| 82 | MELIMERCADOLIBRE INC | 46,955 | $79.7M | 0.1% |
| 83 | HEIHEICO CORP NEW | 218,976 | $78.0M | 0.1% |
| 84 | RDNTRADNET INC | 1.3M | $77.8M | 0.1% |
| 85 | FIGFIGMA INC | 4.3M | $77.1M | 0.1% |
| 86 | PSAPUBLIC STORAGE | 241,020 | $76.7M | 0.1% |
| 87 | FWONKLIBERTY MEDIA CORP DEL | 800,000 | $76.1M | 0.1% |
| 88 | BFAMBRIGHT HORIZONS FAM SOL IN D | 1.1M | $74.8M | 0.1% |
| 89 | NU HLDGS LTD | 5.6M | $74.8M | 0.1% |
| 90 | WINGWINGSTOP INC | 430,165 | $74.6M | 0.1% |
| 91 | MRCYMERCURY SYS INC | 606,919 | $74.2M | 0.1% |
| 92 | KRMNKARMAN HLDGS INC | 1.5M | $72.4M | 0.1% |
| 93 | ASML HLDG NV | 36,286 | $72.2M | 0.1% |
| 94 | BWINTHE BALDWIN INSURANCE GRP IN | 2.7M | $72.1M | 0.1% |
| 95 | BABAALIBABA GROUP HLDG LTD | 740,460 | $71.1M | 0.1% |
| 96 | MIRMIRION TECHNOLOGIES INC | 3.9M | $70.0M | 0.1% |
| 97 | BXBLACKSTONE INC | 591,248 | $69.6M | 0.1% |
| 98 | CRH PLC | 649,916 | $69.5M | 0.1% |
| 99 | AAONAAON INC | 544,402 | $69.1M | 0.1% |
| 100 | DTDYNATRACE INC | 1.6M | $68.9M | 0.1% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.