Terminal · Institutions
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
BAMCO INC /NY/ (CIK 1017918) reported $33.13B across 311 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: TSLA ($4.44B, 13.39%), ACGL ($1.60B, 4.84%), MSCI ($1.45B, 4.39%), GWRE ($986.7M, 2.98%), IT ($937.0M, 2.83%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | TSLA | TESLA INC | $4.44B | 13.39% | 11.9M | Added |
| 2 | ACGL | ARCH CAP GROUP LTD | $1.60B | 4.84% | 16.7M | Trimmed |
| 3 | MSCI | MSCI INC | $1.45B | 4.39% | 2.7M | Trimmed |
| 4 | GWRE | GUIDEWIRE SOFTWARE INC | $986.7M | 2.98% | 6.6M | Added |
| 5 | IT | GARTNER INC | $937.0M | 2.83% | 5.9M | Added |
| 6 | IDXX | IDEXX LABS INC | $917.8M | 2.77% | 1.6M | Trimmed |
| 7 | H | HYATT HOTELS CORP | $911.9M | 2.75% | 6.3M | Added |
| 8 | FIGS | FIGS INC | $885.6M | 2.67% | 60.0M | Hold |
| 9 | FDS | FACTSET RESH SYS INC | $815.1M | 2.46% | 3.8M | Added |
| 10 | CHH | CHOICE HOTELS INTL INC | $796.0M | 2.40% | 7.7M | Added |
| 11 | RRR | RED ROCK RESORTS INC | $715.7M | 2.16% | 13.4M | Added |
| 12 | SCHW | SCHWAB CHARLES CORP | $701.5M | 2.12% | 7.5M | Added |
| 13 | KNSL | KINSALE CAP GROUP INC | $692.8M | 2.09% | 2.0M | Added |
| 14 | CSGP | COSTAR GROUP INC | $658.1M | 1.99% | 16.3M | Trimmed |
| 15 | MTN | VAIL RESORTS INC | $647.2M | 1.95% | 5.0M | Added |
| 16 | SPOT | SPOTIFY TECHNOLOGY S A | $639.9M | 1.93% | 1.3M | Added |
| 17 | SHOP | SHOPIFY INC | $559.7M | 1.69% | 4.7M | Added |
| 18 | NVDA | NVIDIA CORPORATION | $509.2M | 1.54% | 2.9M | Trimmed |
| 19 | VRSK | VERISK ANALYTICS INC | $476.6M | 1.44% | 2.5M | Added |
| 20 | BIRK | BIRKENSTOCK HOLDING PLC | $335.6M | 1.01% | 9.4M | Added |
| 21 | ONON | ON HLDG AG | $330.5M | 1.00% | 9.7M | Added |
| 22 | VRT | VERTIV HOLDINGS CO | $296.0M | 0.89% | 1.2M | Trimmed |
| 23 | SITE | SITEONE LANDSCAPE SUPPLY INC | $274.1M | 0.83% | 2.1M | Added |
| 24 | IBKR | INTERACTIVE BROKERS GROUP IN | $271.5M | 0.82% | 4.0M | Trimmed |
| 25 | AMZN | AMAZON COM INC | $269.6M | 0.81% | 1.3M | Added |
Source: SEC Form 13F filings · as of 2026-03-31