§ 13F · FUND PROFILE
BAMCO INC /NY/.
Baron Funds, growth equity, long-term
AUM · $37713.1T (13F)Positions · 330Turnover · 85% · Q4Filed · Feb 17, 2026
CONCENTRATION
43%
Top 10 holdings
NEW BUYS
+34
+$530.7T deployed
EXITS
0
No exits
SECTOR SHIFT
TECHNOLOGY → FINANCIAL SERVICES
-0pp · +1pp
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q4 2025
FILED FEB 17, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | TSLA | TESLA INC | 11.93M | $5364.0T | 14.5% | ±0% |
| 2 | ACGL | ARCH CAP GROUP LTD | 17.99M | $1725.4T | 4.7% | −4% |
| 3 | MSCI | MSCI INC | 2.76M | $1581.1T | 4.3% | +15% |
| 4 | CSGP | COSTAR GROUP INC | 19.50M | $1311.1T | 3.6% | +1% |
| 5 | IDXX | IDEXX LABS INC | 1.80M | $1216.4T | 3.3% | −5% |
| 6 | IT | GARTNER INC | 4.21M | $1062.8T | 2.9% | −3% |
| 7 | GWRE | GUIDEWIRE SOFTWARE INC | 5.15M | $1034.7T | 2.8% | ±0% |
| 8 | H | HYATT HOTELS CORP | 6.11M | $979.0T | 2.7% | ±0% |
| 9 | FDS | FACTSET RESH SYS INC | 2.89M | $838.3T | 2.3% | +59% |
| 10 | RRR | RED ROCK RESORTS INC | 12.52M | $775.6T | 2.1% | +2% |
§ 02 · SECTOR ALLOCATION
Where the money is
Other40.2% (±0)
Automobiles14.6% (±0)
Technology13.1% (±0)
Financial Services12.9% (+1pp)
Hotels, Restaurants & Leisure10.9% (+1pp)
Insurance7.7%
§ 03 · THE BAMCO SIGNAL
AC read
BAMCO INC /NY/ is a Quality / Compounder fund managing $37713129.5 trillion in assets. The fund runs a broad portfolio of 330 positions, moderate concentration, with the top 10 accounting for 43%. Trading activity is aggressive at 85% quarterly turnover, with 34 new positions and 0 exits last quarter. Top sector allocations: Other (40%), Automobiles (15%), Technology (13%).
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
1 FILINGS
Q4 2025
Busy quarter
+34 buys · −0 exits · 243 changed
Q3 2025
Steady book
+0 buys · −0 exits · 0 changed
Q1 2025
Steady book
+0 buys · −0 exits · 0 changed