Bamco INC 13F holdings
Bamco INC reported 342 positions with a total reported value of $66.6B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-14. Top holdings by reported value: SPCX SPACE EXPLORATION TECHN CORP (37.4%), TSLA TESLA INC (7.9%), MSCI MSCI INC (2.7%), ACGL ARCH CAP GROUP LTD (2.3%), H HYATT HOTELS CORP (2.1%). Against 2026-03-31 it opened 55 new positions and exited 36. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 342 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| SPCX SPACE EXPLORATION TECHN CORP | 145,775,147 | $24.9B | 37.4% |
| TSLA TESLA INC | 12,524,752 | $5.3B | 7.9% |
| MSCI MSCI INC | 3,211,753 | $1.8B | 2.7% |
| ACGL ARCH CAP GROUP LTD | 15,872,450 | $1.5B | 2.3% |
| H HYATT HOTELS CORP | 7,279,087 | $1.4B | 2.1% |
| SHOP SHOPIFY INC | 11,155,546 | $1.3B | 1.9% |
| SPOT SPOTIFY TECHNOLOGY S A | 2,433,114 | $1.1B | 1.7% |
| GWRE GUIDEWIRE SOFTWARE INC | 8,994,456 | $1.1B | 1.7% |
| SCHW SCHWAB CHARLES CORP | 11,655,694 | $1.1B | 1.6% |
| RRR RED ROCK RESORTS INC | 16,391,131 | $1.1B | 1.6% |
| IDEXX LABS INC | 1,976,778 | $1.0B | 1.6% |
| CHH CHOICE HOTELS INTL INC | 9,328,354 | $1.0B | 1.5% |
| IT GARTNER INC | 7,601,009 | $985.2M | 1.5% |
| FACTSET RESH SYS INC | 4,200,856 | $966.5M | 1.5% |
| MTN VAIL RESORTS INC | 6,536,697 | $890.0M | 1.3% |
| KNSL KINSALE CAP GROUP INC | 2,663,958 | $878.6M | 1.3% |
| VRSK VERISK ANALYTICS INC | 4,702,605 | $844.3M | 1.3% |
| BIRK BIRKENSTOCK HOLDING PLC | 14,739,609 | $634.2M | 1.0% |
| FIGS FIGS INC | 59,959,449 | $613.4M | 0.9% |
| CSGP COSTAR GROUP INC | 21,626,763 | $612.5M | 0.9% |
| ONON ON HLDG AG | 16,929,770 | $599.7M | 0.9% |
| NVDA NVIDIA CORPORATION | 2,965,306 | $593.3M | 0.9% |
| MORN MORNINGSTAR INC | 3,499,146 | $545.9M | 0.8% |
| AMZN AMAZON COM INC | 1,956,523 | $466.3M | 0.7% |
| IBKR INTERACTIVE BROKERS GROUP IN | 4,807,214 | $418.4M | 0.6% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 55 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| SPCX SPACE EXPLORATION TECHN CORP | 145,775,147 | $24.9B | 37.4% |
| BXDC BLACKSTONE DIGITAL INFRASTRU | 7,620,555 | $164.8M | 0.2% |
| MRNA MODERNA INC | 1,989,386 | $139.3M | 0.2% |
| MTH MERITAGE HOMES CORP | 1,341,653 | $112.5M | 0.2% |
| CBRS CEREBRAS SYSTEMS INC | 295,028 | $65.2M | <0.1% |
| FBIN FORTUNE BRANDS INNOVATIONS I | 1,158,552 | $63.6M | <0.1% |
| SHAK SHAKE SHACK INC | 1,035,680 | $58.0M | <0.1% |
| DPC DPC HOLDINGS PLC | 1,038,331 | $50.9M | <0.1% |
| AADX APPLIED AEROSPACE & DEFENSE | 2,173,823 | $49.5M | <0.1% |
| MAIR MADISON AIR SOLUTIONS CORP | 1,169,540 | $45.6M | <0.1% |
| ARXS ARXIS INC | 982,805 | $45.3M | <0.1% |
| PHM PULTE GROUP INC | 329,727 | $45.2M | <0.1% |
| ONTERRIS INC | 2,137,406 | $43.2M | <0.1% |
| KBH KB HOME | 599,141 | $37.5M | <0.1% |
| SIMON PPTY GROUP INC NEW | 163,566 | $36.6M | <0.1% |
| LINCOLN INTL INC | 1,511,824 | $36.1M | <0.1% |
| HROW HARROW INC | 809,350 | $34.4M | <0.1% |
| JHX JAMES HARDIE INDS PLC | 1,221,587 | $32.0M | <0.1% |
| DFTX DEFINIUM THERAPEUTICS INC | 520,108 | $24.5M | <0.1% |
| FRVO FERVO ENERGY CO | 751,114 | $22.0M | <0.1% |
| CWK CUSHMAN AND WAKEFIELD LTD | 1,557,978 | $20.9M | <0.1% |
| MOHAWK INDS INC | 171,703 | $20.8M | <0.1% |
| BXP BXP INC | 312,545 | $20.7M | <0.1% |
| ARE ALEXANDRIA REAL ESTATE EQ IN | 336,176 | $17.8M | <0.1% |
| HAWK HAWKEYE 360 INC | 694,909 | $14.1M | <0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 36 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| BMI BADGER METER INC | 312,213 | $47.6M | 0.1% |
| MONTROSE ENVIRONMENTAL GROUP | 2,168,183 | $47.5M | 0.1% |
| ALKT ALKAMI TECHNOLOGY INC | 2,308,036 | $36.2M | 0.1% |
| SKY CHAMPION HOMES INC | 469,822 | $34.9M | 0.1% |
| TMHC TAYLOR MORRISON HOME CORP | 554,505 | $32.3M | <0.1% |
| SIMON PPTY GROUP INC | 166,058 | $31.0M | <0.1% |
| VRNS VARONIS SYS INC | 1,239,294 | $26.6M | <0.1% |
| GCI LIBERTY INC | 688,388 | $25.6M | <0.1% |
| SHW SHERWIN WILLIAMS CO | 70,846 | $22.7M | <0.1% |
| ARX ACCELERANT HOLDINGS | 1,208,794 | $16.1M | <0.1% |
| INSPIRE MED SYS INC | 298,470 | $15.4M | <0.1% |
| NOW SERVICENOW INC | 134,330 | $14.0M | <0.1% |
| ESSENTIAL PPTYS RLTY TR INC | 434,808 | $13.2M | <0.1% |
| WIX WIX COM LTD | 136,080 | $12.3M | <0.1% |
| SPRY ARS PHARMACEUTICALS INC | 1,273,341 | $10.2M | <0.1% |
| AHR AMERICAN HEALTHCARE REIT INC | 204,159 | $9.6M | <0.1% |
| CG CARLYLE GROUP INC | 157,000 | $7.6M | <0.1% |
| PDD PDD HOLDINGS INC | 61,948 | $6.3M | <0.1% |
| AGREE RLTY CORP | 83,347 | $6.3M | <0.1% |
| VIA TRANSN INC | 370,985 | $5.6M | <0.1% |
| AMT AMERICAN TOWER CORP | 23,709 | $4.1M | <0.1% |
| VKTX VIKING THERAPEUTICS INC | 125,486 | $4.1M | <0.1% |
| CLEARWATER ANALYTICS HLDGS I | 154,864 | $3.7M | <0.1% |
| FIVERR INTL LTD | 327,869 | $3.3M | <0.1% |
| AMH AMERICAN HOMES 4 RENT | 93,977 | $2.6M | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| SHOP SHOPIFY INC | 4,718,230 | 11,155,546 | +136.4% | $1.3B |
| SPOT SPOTIFY TECHNOLOGY S A | 1,319,525 | 2,433,114 | +84.4% | $1.1B |
| MORN MORNINGSTAR INC | 759,515 | 3,499,146 | +360.7% | $545.9M |
| VRSK VERISK ANALYTICS INC | 2,511,976 | 4,702,605 | +87.2% | $844.3M |
| SCHW SCHWAB CHARLES CORP | 7,464,316 | 11,655,694 | +56.2% | $1.1B |
| GWRE GUIDEWIRE SOFTWARE INC | 6,597,453 | 8,994,456 | +36.3% | $1.1B |
| MSCI MSCI INC | 2,699,389 | 3,211,753 | +19.0% | $1.8B |
| ONON ON HLDG AG | 9,714,605 | 16,929,770 | +74.3% | $599.7M |
| TSLA TESLA INC | 11,933,509 | 12,524,752 | +5.0% | $5.3B |
| BIRK BIRKENSTOCK HOLDING PLC | 9,366,068 | 14,739,609 | +57.4% | $634.2M |
| IT GARTNER INC | 5,917,616 | 7,601,009 | +28.4% | $985.2M |
| KNSL KINSALE CAP GROUP INC | 2,027,765 | 2,663,958 | +31.4% | $878.6M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| WYNN WYNN RESORTS LTD | 1,736,856 | 692,338 | -60.1% | $67.2M |
| ACGL ARCH CAP GROUP LTD | 16,709,759 | 15,872,450 | -5.0% | $1.5B |
| FND FLOOR & DECOR HLDGS INC | 1,273,764 | 740 | -99.9% | $43.9K |
| VRT VERTIV HOLDINGS CO | 1,181,144 | 979,821 | -17.0% | $328.1M |
| LGN LEGENCE CORP | 1,245,682 | 475,469 | -61.8% | $40.5M |
| VTR VENTAS INC | 998,339 | 281,483 | -71.8% | $25.0M |
| ESTA ESTABLISHMENT LABS HLDGS INC | 964,167 | 286,098 | -70.3% | $24.6M |
| PRI PRIMERICA INC | 860,026 | 671,453 | -21.9% | $190.8M |
| EQIX EQUINIX INC | 243,975 | 195,637 | -19.8% | $203.9M |
| AEIS ADVANCED ENERGY INDS | 268,725 | 139,367 | -48.1% | $52.0M |
| CAKE CHEESECAKE FACTORY INC | 1,000,037 | 450,000 | -55.0% | $35.8M |
| DIGITAL RLTY TR INC | 484,763 | 261,118 | -46.1% | $46.9M |
CIK 1017918 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
More 13F data
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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