Bamco Inc /Ny/
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$33.13B
Q ending 2026-03-31
Prior quarter
$36.91B
Q ending 2025-12-31
Change
-10.2% QoQ · -2.7% YoY
Positions
326
reported holdings
Largest positions
Top 100 of 326 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Tesla Inc | TSLA | Shares | $4.44B | 11.9M |
| Arch Cap Group Ltd | Shares | $1.60B | 16.7M | |
| Msci Inc | MSCI | Shares | $1.45B | 2.7M |
| Guidewire Software Inc | GWRE | Shares | $986.7M | 6.6M |
| Gartner Inc | IT | Shares | $937.0M | 5.9M |
| Idexx Labs Inc | IDXX | Shares | $917.8M | 1.6M |
| Hyatt Hotels Corp | H | Shares | $911.9M | 6.3M |
| Figs Inc | FIGS | Shares | $885.6M | 60.0M |
| Factset Resh Sys Inc | FDS | Shares | $815.1M | 3.8M |
| Choice Hotels Intl Inc | CHH | Shares | $796.0M | 7.7M |
| Red Rock Resorts Inc | RRR | Shares | $715.7M | 13.4M |
| Schwab Charles Corp | SCHW | Shares | $701.5M | 7.5M |
| Kinsale Cap Group Inc | KNSL | Shares | $692.8M | 2.0M |
| Costar Group Inc | CSGP | Shares | $658.1M | 16.3M |
| Vail Resorts Inc | MTN | Shares | $647.2M | 5.0M |
| Spotify Technology S A | Shares | $639.9M | 1.3M | |
| Shopify Inc | SHOP | Shares | $559.7M | 4.7M |
| Nvidia Corporation | NVDA | Shares | $509.2M | 2.9M |
| Verisk Analytics Inc | VRSK | Shares | $476.6M | 2.5M |
| Birkenstock Holding Plc | Shares | $335.6M | 9.4M | |
| On Hldg Ag | Shares | $330.5M | 9.7M | |
| Vertiv Holdings Co | VRT | Shares | $296.0M | 1.2M |
| Siteone Landscape Supply Inc | SITE | Shares | $274.1M | 2.1M |
| Interactive Brokers Group In | IBKR | Shares | $271.5M | 4.0M |
| Amazon Com Inc | AMZN | Shares | $269.6M | 1.3M |
| Welltower Inc | WELL | Shares | $265.9M | 1.3M |
| Equinix Inc | EQIX | Shares | $239.2M | 244K |
| Primerica Inc | PRI | Shares | $215.4M | 860K |
| Taiwan Semiconductor Manufac | TSM | Shares | $215.0M | 636K |
| Amphenol Corp | APH | Shares | $209.7M | 1.7M |
| Gds Hldgs Ltd | GDS | Shares | $185.2M | 4.6M |
| Airbnb Inc | ABNB | Shares | $182.0M | 1.4M |
| Quanta Svcs Inc | PWR | Shares | $178.9M | 326K |
| Wynn Resorts Ltd | WYNN | Shares | $176.4M | 1.7M |
| Mettler Toledo International | MTD | Shares | $168.5M | 134K |
| Samsara Inc | IOT | Shares | $162.2M | 5.1M |
| Broadcom Inc | AVGO | Shares | $161.9M | 523K |
| Houlihan Lokey Inc | HLI | Shares | $152.4M | 1.1M |
| Meta Platforms Inc | META | Shares | $146.9M | 257K |
| Cbre Group Inc | CBRE | Shares | $145.5M | 1.1M |
| Liberty Live Holdings Inc | LLYVK | Shares | $143.6M | 1.5M |
| Prologis Inc. | PLD | Shares | $140.9M | 1.1M |
| Forgent Power Solutions Inc | FPS | Shares | $136.8M | 4.7M |
| Loar Holdings Inc | LOAR | Shares | $135.6M | 2.4M |
| Morningstar Inc | MORN | Shares | $128.4M | 760K |
| Toll Brothers Inc | TOL | Shares | $127.2M | 932K |
| Brookfield Corp | BN | Shares | $117.6M | 2.9M |
| Alphabet Inc | GOOGL | Shares | $110.0M | 383K |
| Novanta Inc | NOVT | Shares | $108.1M | 915K |
| Karman Hldgs Inc | KRMN | Shares | $102.4M | 1.3M |
| Argenx Se | ARGX | Shares | $101.2M | 139K |
| Rbc Bearings Inc | RBC | Shares | $98.6M | 181K |
| Enpro Inc | NPO | Shares | $98.2M | 392K |
| Cloudflare Inc | NET | Shares | $94.4M | 457K |
| Heartflow Inc | HTFL | Shares | $93.1M | 3.8M |
| Draftkings Inc | DKNG | Shares | $91.2M | 4.2M |
| Transdigm Group Inc | TDG | Shares | $91.2M | 79K |
| Bright Horizons Fam Sol In D | BFAM | Shares | $90.5M | 1.1M |
| Planet Fitness Master Issuer | PLNT | Shares | $89.3M | 1.2M |
| Heico Corp | HEI/A | Shares | $88.5M | 419K |
| Digital Rlty Tr Inc | DLR | Shares | $87.4M | 485K |
| Advanced Energy Inds | AEIS | Shares | $86.7M | 269K |
| Procore Technologies Inc | PCOR | Shares | $85.4M | 1.5M |
| Cognex Corp | CGNX | Shares | $85.3M | 1.7M |
| Jbt Marel Corporation | JBTM | Shares | $84.4M | 660K |
| Gaming & Leisure P | GLPI | Shares | $81.9M | 1.8M |
| Ventas Inc | VTR | Shares | $81.6M | 998K |
| Hilton Worldwide Hldgs Inc | HLT | Shares | $80.7M | 265K |
| Dynatrace Inc | DT | Shares | $79.9M | 2.2M |
| Alibaba Group Hldg Ltd | BABA | Shares | $79.7M | 636K |
| Eli Lilly & Co | LLY | Shares | $78.2M | 85K |
| Crh Plc | Shares | $77.7M | 739K | |
| Macerich Co | MAC | Shares | $77.2M | 4.1M |
| Credicorp Ltd | Shares | $75.4M | 222K | |
| Indie Semiconductor Inc | INDI | Shares | $75.1M | 23.3M |
| Mercadolibre Inc | MELI | Shares | $74.0M | 43K |
| Jones Lang Lasalle Inc | JLL | Shares | $73.4M | 241K |
| Public Storage Oper Co | PSA | Shares | $72.3M | 267K |
| Servicetitan Inc | TTAN | Shares | $70.7M | 1.1M |
| Legence Corp | LGN | Shares | $70.3M | 1.2M |
| Aaon Inc | AAON | Shares | $69.9M | 844K |
| Datadog Inc | DDOG | Shares | $69.3M | 587K |
| Monolithic Pwr Sys Inc | MPWR | Shares | $68.9M | 63K |
| Liberty Media Corp Del | FWONK | Shares | $68.0M | 800K |
| Las Vegas Sands Corp | LVS | Shares | $66.1M | 1.2M |
| Roper Technologies Inc | ROP | Shares | $65.9M | 186K |
| Floor & Decor Hldgs Inc | FND | Shares | $64.7M | 1.3M |
| Repligen Corp | RGEN | Shares | $64.6M | 548K |
| Jefferies Financial Group In | JEF | Shares | $63.2M | 1.5M |
| Healthequity Inc | HQY | Shares | $62.7M | 750K |
| Fair Isaac Corp | FICO | Shares | $61.8M | 58K |
| Snowflake Inc | SNOW | Shares | $60.1M | 398K |
| The Baldwin Insurance Grp In | BWIN | Shares | $59.5M | 2.7M |
| Billiontoone Inc | BLLN | Shares | $58.5M | 741K |
| Caredx Inc | CDNA | Shares | $57.9M | 3.3M |
| Casella Waste Sys Inc | CWST | Shares | $57.0M | 718K |
| Driven Brands Hldgs Inc | DRVN | Shares | $56.7M | 4.5M |
| Waystar Hldg Corp | WAY | Shares | $56.1M | 2.3M |
| Intapp Inc | INTA | Shares | $55.1M | 2.1M |
| Cheesecake Factory Inc | CAKE | Shares | $54.8M | 1.0M |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.