13F value (AUM)
$66.6B
Bamco
BAMCO INC /NY
$66.6B
13F long value · 2026-Q2Positions345
CategoryAsset Manager
Quarters tracked9
▲ #153 of 581 by 13F value
Size rank 8/10
26 NEW36 ADD20 2×+47 TRIM8 NEAR EXIT13 EXIT
Snapshot
Bamco's 13F portfolio at a glance — size, concentration and this quarter's activity.
Positions
345 (32 unmapped)
Top 100 weight
91.7%
Quarters tracked
9
Latest 13F filed
Aug 14, 2026
New positions
26
Exits / near-exits
21
13F value by quarter
Total reported long value each quarter — fund flows plus market moves.
Top holdings — 2026-Q2
The fund's largest reported positions. The 100 shown cover 91.7% of the portfolio.
| Ticker | Issuer | Weight | Value | Shares | Since 2026-Q2 |
|---|---|---|---|---|---|
| SPCX | SPACE EXPLORATION TECHN CORP | 37.4% | $24.9B | 145.8M | — |
| TSLA | TESLA INC | 7.9% | $5.3B | 12.5M | -11.7% |
| MSCI | MSCI INC | 2.7% | $1.8B | 3.2M | +5.5% |
| — | ARCH CAP GROUP LTD | 2.3% | $1.5B | 15.9M | — |
| H | HYATT HOTELS CORP | 2.1% | $1.4B | 7.3M | -15.4% |
| SHOP | SHOPIFY INC | 1.9% | $1.3B | 11.2M | +8.8% |
| — | SPOTIFY TECHNOLOGY S A | 1.7% | $1.1B | 2.4M | — |
| GWRE | GUIDEWIRE SOFTWARE INC | 1.7% | $1.1B | 9.0M | +11.0% |
| SCHW | SCHWAB CHARLES CORP | 1.6% | $1.1B | 11.7M | -1.6% |
| RRR | RED ROCK RESORTS INC | 1.6% | $1.1B | 16.4M | -16.3% |
| IDXX | IDEXX LABS INC | 1.6% | $1.0B | 2.0M | +9.2% |
| CHH | CHOICE HOTELS INTL INC | 1.5% | $1.0B | 9.3M | +7.9% |
| IT | GARTNER INC | 1.5% | $985.2M | 7.6M | +14.8% |
| FDS | FACTSET RESH SYS INC | 1.5% | $966.5M | 4.2M | -2.1% |
| MTN | VAIL RESORTS INC | 1.3% | $890.0M | 6.5M | -11.5% |
Quarterly changes — 2026-Q2
What Bamco opened, added, trimmed and exited this quarter, largest dollar moves first.
| Action | Ticker | Issuer | Prev shares | Curr shares | Change | Value Δ |
|---|---|---|---|---|---|---|
| NEW | SPCX | SPACE EXPLORATION TECHN CORP | — | 145.8M | — | +$24.9B |
| 2×+ | SHOP | SHOPIFY INC | 4.7M | 11.2M | +136.4% | +$714.1M |
| ADD | — | SPOTIFY TECHNOLOGY S A | 1.3M | 2.4M | +84.4% | +$477.3M |
| 2×+ | MORN | MORNINGSTAR INC | 759.5K | 3.5M | +360.7% | +$417.5M |
| ADD | SCHW | SCHWAB CHARLES CORP | 7.5M | 11.7M | +56.2% | +$374.0M |
| ADD | VRSK | VERISK ANALYTICS INC | 2.5M | 4.7M | +87.2% | +$367.6M |
| ADD | — | BIRKENSTOCK HOLDING PLC | 9.4M | 14.7M | +57.4% | +$298.7M |
| ADD | — | ON HLDG AG | 9.7M | 16.9M | +74.3% | +$269.2M |
| ADD | MTN | VAIL RESORTS INC | 5.0M | 6.5M | +29.6% | +$242.8M |
| ADD | AMZN | AMAZON COM INC | 1.3M | 2.0M | +51.1% | +$196.7M |
Conviction over time
Portfolio weight of the current top long holdings, quarter by quarter — rising weight = growing conviction.