BAMCO INC /NY/BAMCO INC /NY/

Institutional investor · Portfolio as of Q1 2026

SEC EDGAR SourceSEC Filings

Top Holdings326 positions

Activity:
Stock
Shares
Value
Weight
Avg Buy
Est. P&L
Held
Conviction

TESLA INC

11.9M$4.4B13.4%$216.94+87.96%
30 qtrssince 2018-Q4
Increased
62

ARCH CAP GROUP LTD

16.7M$1.6B4.8%$25.76+292.36%
30 qtrssince 2018-Q4
Decreased
0

MSCI INC

2.7M$1.5B4.4%$268.80+124.97%
30 qtrssince 2018-Q4
Decreased
0

GUIDEWIRE SOFTWARE INC

6.6M$986.7M3.0%$96.63+40.88%
30 qtrssince 2018-Q4
Increased
68

GARTNER INC

5.9M$937M2.8%$151.96-12.32%
30 qtrssince 2018-Q4
Increased
73

IDEXX LABS INC

1.6M$917.8M2.8%$203.47+176.98%
30 qtrssince 2018-Q4
Decreased
0

HYATT HOTELS CORP

6.3M$911.9M2.8%$80.68+136.90%
30 qtrssince 2018-Q4
Increased
57

FIGS INC

60M$885.6M2.7%$7.26+38.26%
20 qtrssince 2021-Q2
Unchanged
0

FACTSET RESH SYS INC

3.8M$815.1M2.5%$230.24+7.33%
30 qtrssince 2018-Q4
Increased
69

CHOICE HOTELS INTL INC

7.7M$796M2.4%$82.43+33.10%
30 qtrssince 2018-Q4
Increased
57

RED ROCK RESORTS INC

13.4M$715.7M2.2%$30.57+110.07%
30 qtrssince 2018-Q4
Increased
58

SCHWAB CHARLES CORP

7.5M$701.5M2.1%$43.40+137.58%
30 qtrssince 2018-Q4
Increased
57

KINSALE CAP GROUP INC

2M$692.8M2.1%$129.14+163.73%
30 qtrssince 2018-Q4
Increased
62

COSTAR GROUP INC

16.3M$658.1M2.0%$77.66-63.44%
30 qtrssince 2018-Q4
Decreased
0

VAIL RESORTS INC

5M$647.2M2.0%$170.08-11.72%
30 qtrssince 2018-Q4
Increased
52

SPOTIFY TECHNOLOGY S A

1.3M$639.9M1.9%$328.43+46.08%
30 qtrssince 2018-Q4
Increased
63

SHOPIFY INC

4.7M$559.7M1.7%$87.23+40.48%
26 qtrssince 2019-Q4
Increased
80

NVIDIA CORPORATION

2.9M$509.2M1.5%$112.64+87.29%
30 qtrssince 2018-Q4
Decreased
0

VERISK ANALYTICS INC

2.5M$476.6M1.4%$168.63+9.94%
30 qtrssince 2018-Q4
Increased
78

BIRKENSTOCK HOLDING PLC

9.4M$335.6M1.0%$45.62-0.32%
10 qtrssince 2023-Q4
Increased
57
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$33.1B
AUM
326
Positions
Q1 2026
Filing
Rating · 3.5
Quarterly Portfolio Change
+3%Q4'24$38.7B-12%Q1'25$34B+8%Q2'25$36.9B+2%Q3'25$37.7B-2%Q4'25$36.9B-10%Q1'26$33.1B
Activity profile
$ moved · Q1'26
New8%Increased36%Decreased51%Exited6%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 4.6 years
<1Q6%1-4Q12%1-2Y9%2Y+73%

BAMCO INC /NY/ manages $33.1B across 326 positions as of Q1 2026. Top holdings: TSLA (13.4%), ACGL (4.8%), MSCI (4.4%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 3.5/5.0.

Q1 2026 Summary

Active quarter - 36 new positions, 37 exits, 114 increased. Top move: SHOP (INCREASED, conviction 80). Portfolio: $33.1B across 326 positions.

Top holdings by portfolio weight

Total AUM$33B
TSLA13.39%
ACGL4.84%
MSCI4.39%
GWRE2.98%
IT2.83%
IDXX2.77%
H2.75%
FIGS2.67%
FDS2.46%
CHH2.40%
Other2.16%

Portfolio allocation by GICS sector

Sectors10
Consumer Cyclical33.78%
Financial Services21.38%
Technology17.43%
Industrials8.26%
Healthcare7.41%
Real Estate6.68%
Communication Services4.06%
Basic Materials0.66%
Consumer Defensive0.21%
Energy0.13%

Behavioral investing profile

7-dimension quality assessment
Strong(3.5 / 5.0)
Track Record67
Conviction42
Concentration62
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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