BAMCO INC /NY/
Institutional investor · Portfolio as of Q4 2025
Top Holdings327 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
TESLA INC | 11.9M | $5.4B | 14.5% | $216.85 | +109.56% | 29 qtrssince 2018-Q4 | Decreased 0 |
ARCH CAPITAL GROUP LTD | 18M | $1.7B | 4.7% | $25.76 | +275.28% | 29 qtrssince 2018-Q4 | Decreased 0 |
MSCI INC | 2.8M | $1.6B | 4.3% | $266.78 | +112.68% | 29 qtrssince 2018-Q4 | Increased 67 |
COSTAR GROUP INC | 19.5M | $1.3B | 3.6% | $77.66 | -12.62% | 29 qtrssince 2018-Q4 | Increased 59 |
IDEXX LABORATORIES INC | 1.8M | $1.2B | 3.3% | $203.47 | +235.34% | 29 qtrssince 2018-Q4 | Decreased 0 |
GARTNER INC | 4.2M | $1.1B | 2.9% | $146.77 | +73.46% | 29 qtrssince 2018-Q4 | Decreased 0 |
GUIDEWIRE SOFTWARE INC | 5.1M | $1B | 2.8% | $81.05 | +149.88% | 29 qtrssince 2018-Q4 | Decreased 0 |
HYATT HOTELS CORP | 6.1M | $979M | 2.7% | $77.49 | +111.09% | 29 qtrssince 2018-Q4 | Decreased 0 |
FACTSET RESEARCH SYSTEMS INC | 2.9M | $838.3M | 2.3% | $232.45 | +25.36% | 29 qtrssince 2018-Q4 | Increased 78 |
RED ROCK RESORTS INC | 12.5M | $775.6M | 2.1% | $28.42 | +121.80% | 29 qtrssince 2018-Q4 | Increased 55 |
SCHWAB (CHARLES) CORP | 7.1M | $705.4M | 1.9% | $40.49 | +144.36% | 29 qtrssince 2018-Q4 | Decreased 0 |
CHOICE HOTELS INTL INC | 7.4M | $703.6M | 1.9% | $81.47 | +17.84% | 29 qtrssince 2018-Q4 | Increased 65 |
KINSALE CAP GROUP INC | 1.8M | $696.7M | 1.9% | $92.61 | +327.18% | 29 qtrssince 2018-Q4 | Decreased 0 |
FIGS INC | 60M | $681.1M | 1.8% | $7.26 | +59.61% | 19 qtrssince 2021-Q2 | Increased 50 |
VAIL RESORTS INC | 4.8M | $638.8M | 1.7% | $171.63 | -22.39% | 29 qtrssince 2018-Q4 | Decreased 0 |
SPOTIFY TECHNOLOGY SA | 997,291 | $579.1M | 1.6% | $266.55 | +116.35% | 29 qtrssince 2018-Q4 | Increased 50 |
NVIDIA CORP | 3M | $557.4M | 1.5% | $112.64 | +66.49% | 29 qtrssince 2018-Q4 | Increased 49 |
SHOPIFY INC - CLASS A | 2.3M | $368.3M | 1.0% | $50.45 | +224.58% | 25 qtrssince 2019-Q4 | Increased 44 |
BIRKENSTOCK HOLDING PLC | 8M | $325.8M | 0.9% | $46.38 | -11.06% | 9 qtrssince 2023-Q4 | Increased 54 |
INTERACTIVE BROKERS GRO-CL A | 4.6M | $298.6M | 0.8% | $49.13 | +32.31% | 12 qtrssince 2023-Q1 | Increased 44 |
BAMCO INC /NY/ manages $36.9B across 327 positions as of Q4 2025. Top holdings: TSLA (14.5%), ACGL (4.7%), MSCI (4.3%). Fund DNA: Concentrated Value. HoldingsIntel Rating: 5/5.0.
Active quarter - 34 new positions, 36 exits, 122 increased. Top move: FDS (INCREASED, conviction 78). Portfolio: $36.9B across 327 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
Top Winners
Top Losers
Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.
Similar Funds
Funds with similar investing DNA
Explore More
Accumulation Streaks
Positions with 2+ consecutive quarters of increases - persistent directional conviction.
Continue exploring
Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer