§ 13F · FUND PROFILE
BAMCO INC /NY/.
Baron Funds, growth equity, long-term
AUM · $37.7B (13F)Positions · 330Turnover · 91% · Q1Filed · May 15, 2026
◇ BIG MOVE · Q1
Automobiles cut 1pp. Hotels, Restaurants & Leisure lifted 1pp.
CONCENTRATION
41%
Top 10 holdings
NEW BUYS
+36
+$663M deployed
EXITS
0
No exits
SECTOR SHIFT
AUTOMOBILES → HOTELS, RESTAURANTS & LEISURE
-1pp · +1pp
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q1 2026
FILED MAY 15, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q1 |
|---|---|---|---|---|---|---|
| 1 | TSLA | TESLA INC | 11.93M | $4.4B | 13.4% | ±0% |
| 2 | ACGL | ARCH CAP GROUP LTD | 16.71M | $1.6B | 4.8% | −7% |
| 3 | MSCI | MSCI INC | 2.70M | $1.5B | 4.4% | −2% |
| 4 | GWRE | GUIDEWIRE SOFTWARE INC | 6.60M | $987M | 3.0% | +28% |
| 5 | IT | GARTNER INC | 5.92M | $937M | 2.8% | +40% |
| 6 | IDXX | IDEXX LABS INC | 1.63M | $918M | 2.8% | −9% |
| 7 | H | HYATT HOTELS CORP | 6.34M | $912M | 2.8% | +4% |
| 8 | FIGS | FIGS INC | 59.96M | $886M | 2.7% | ±0% |
| 9 | FDS | FACTSET RESH SYS INC | 3.76M | $815M | 2.5% | +30% |
| 10 | CHH | CHOICE HOTELS INTL INC | 7.69M | $796M | 2.4% | +4% |
§ 02 · SECTOR ALLOCATION
Where the money is
Other40.8% (+1pp)
Automobiles13.4% (−1pp)
Financial Services12.6% (±0)
Hotels, Restaurants & Leisure12.2% (+1pp)
Technology12.0% (−1pp)
Insurance7.9% (±0)
§ 03 · THE BAMCO SIGNAL
AC read
BAMCO INC /NY/ is a Quality / Compounder fund managing $37.7 billion in assets. The fund runs a broad portfolio of 330 positions, moderate concentration, with the top 10 accounting for 41%. Trading activity is aggressive at 91% quarterly turnover, with 36 new positions and 0 exits last quarter. Top sector allocations: Other (41%), Automobiles (13%), Financial Services (13%).
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
2 FILINGS
Q1 2026
Busy quarter
+36 buys · −0 exits · 260 changed
Q4 2025
Busy quarter
+34 buys · −0 exits · 243 changed
Q3 2025
Busy quarter
+330 buys · −0 exits · 0 changed
Q1 2025
Busy quarter
+314 buys · −0 exits · 0 changed