Filed: 8/14/2026ACC: 0001017918-26-000067
📋 What this filing means
BAMCO INC /NY/ filed this quarterly 13F‑HR report disclosing 345 equity positions with a total reported market value of $66.64B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
345
Positions
$66.64B
Total AUM (reported)
665.62M
Total Shares
Allocation by class
COM$25.89B38.9%
CLASS A COM STK$24.98B37.5%
CL A$3.64B5.5%
COM CL A$3.20B4.8%
ORD$1.62B2.4%
CL A SUB VTG SHS$1.27B1.9%
SHS$1.21B1.8%
Portfolio Concentration
Top 3$31.97B48.0%
4–10$8.59B12.9%
11–25$11.12B16.7%
Rest$14.96B22.4%
Top 3 weight
48.0%
Top 10 weight
60.9%
Voting Authority Distribution
Total shares with voting rights: 664.47M
Sole
Full voting authority
44.80M
shares
% of voting shares6.7%
Shared
Joint voting authority
617.68M
shares
% of voting shares93.0%
None
No voting authority
2M
shares
% of voting shares0.3%
Investment Discretion (by position count)
Sole0
Shared0
Other345
Dominant voting typeShared · 93.0% of voting shares
Institutional Holdings345
Rows:
SPACE EXPLORATION TECHN CORP
DFNDShares145.78M
TypeSH
Market value$24.91B
37.38%
Sole
13.37M
Shared
132.38M
None
0.00
TESLA INC
DFNDShares12.52M
TypeSH
Market value$5.27B
7.90%
Sole
3.38M
Shared
9.14M
None
0.00
MSCI INC
DFNDShares3.21M
TypeSH
Market value$1.80B
2.70%
Sole
0.00
Shared
3.18M
None
34.67K
ARCH CAP GROUP LTD
DFNDShares15.87M
TypeSH
Market value$1.54B
2.31%
Sole
0.00
Shared
15.76M
None
109.95K
HYATT HOTELS CORP
DFNDShares7.28M
TypeSH
Market value$1.41B
2.12%
Sole
0.00
Shared
7.28M
None
0.00
SHOPIFY INC
DFNDShares11.16M
TypeSH
Market value$1.27B
1.91%
Sole
0.00
Shared
11.12M
None
0.00
SPOTIFY TECHNOLOGY S A
DFNDShares2.43M
TypeSH
Market value$1.12B
1.68%
Sole
0.00
Shared
2.43M
None
0.00
GUIDEWIRE SOFTWARE INC
DFNDShares8.99M
TypeSH
Market value$1.11B
1.66%
Sole
0.00
Shared
8.91M
None
89.39K
SCHWAB CHARLES CORP
DFNDShares11.66M
TypeSH
Market value$1.08B
1.61%
Sole
187.25K
Shared
11.47M
None
0.00
RED ROCK RESORTS INC
DFNDShares16.39M
TypeSH
Market value$1.07B
1.60%
Sole
0.00
Shared
16.27M
None
118.03K
IDEXX LABS INC
DFNDShares1.98M
TypeSH
Market value$1.04B
1.56%
Sole
0.00
Shared
1.95M
None
22.03K
CHOICE HOTELS INTL INC
DFNDShares9.33M
TypeSH
Market value$1.03B
1.54%
Sole
20K
Shared
9.22M
None
86.57K
GARTNER INC
DFNDShares7.60M
TypeSH
Market value$985.24M
1.48%
Sole
0.00
Shared
7.54M
None
61.01K
FACTSET RESH SYS INC
DFNDShares4.20M
TypeSH
Market value$966.53M
1.45%
Sole
0.00
Shared
4.17M
None
28.31K
VAIL RESORTS INC
DFNDShares6.54M
TypeSH
Market value$889.97M
1.34%
Sole
0.00
Shared
6.47M
None
71.04K
KINSALE CAP GROUP INC
DFNDShares2.66M
TypeSH
Market value$878.60M
1.32%
Sole
0.00
Shared
2.64M
None
27.58K
VERISK ANALYTICS INC
DFNDShares4.70M
TypeSH
Market value$844.26M
1.27%
Sole
0.00
Shared
4.70M
None
0.00
BIRKENSTOCK HOLDING PLC
DFNDShares14.74M
TypeSH
Market value$634.25M
0.95%
Sole
0.00
Shared
14.74M
None
0.00
FIGS INC
DFNDShares59.96M
TypeSH
Market value$613.39M
0.92%
Sole
27.83M
Shared
32.13M
None
0.00
COSTAR GROUP INC
DFNDShares21.63M
TypeSH
Market value$612.47M
0.92%
Sole
0.00
Shared
21.37M
None
257.01K
ON HLDG AG
DFNDShares16.93M
TypeSH
Market value$599.65M
0.90%
Sole
0.00
Shared
16.93M
None
0.00
NVIDIA CORPORATION
DFNDShares2.97M
TypeSH
Market value$593.33M
0.89%
Sole
0.00
Shared
2.92M
None
0.00
MORNINGSTAR INC
DFNDShares3.50M
TypeSH
Market value$545.94M
0.82%
Sole
0.00
Shared
3.50M
None
3.77K
AMAZON COM INC
DFNDShares1.96M
TypeSH
Market value$466.32M
0.70%
Sole
0.00
Shared
1.94M
None
0.00
INTERACTIVE BROKERS GROUP IN
DFNDShares4.81M
TypeSH
Market value$418.42M
0.63%
Sole
0.00
Shared
4.81M
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
SPACE EXPLORATION TECHN CORPDFND | CLASS A COM STK | 145.78M | SH | $24.91B 37.38% | 13.37M | 132.38M | 0.00 |
TESLA INCDFND | COM | 12.52M | SH | $5.27B 7.90% | 3.38M | 9.14M | 0.00 |
MSCI INCDFND | COM | 3.21M | SH | $1.80B 2.70% | 0.00 | 3.18M | 34.67K |
ARCH CAP GROUP LTDDFND | ORD | 15.87M | SH | $1.54B 2.31% | 0.00 | 15.76M | 109.95K |
HYATT HOTELS CORPDFND | COM CL A | 7.28M | SH | $1.41B 2.12% | 0.00 | 7.28M | 0.00 |
SHOPIFY INCDFND | CL A SUB VTG SHS | 11.16M | SH | $1.27B 1.91% | 0.00 | 11.12M | 0.00 |
SPOTIFY TECHNOLOGY S ADFND | SHS | 2.43M | SH | $1.12B 1.68% | 0.00 | 2.43M | 0.00 |
GUIDEWIRE SOFTWARE INCDFND | COM | 8.99M | SH | $1.11B 1.66% | 0.00 | 8.91M | 89.39K |
SCHWAB CHARLES CORPDFND | COM | 11.66M | SH | $1.08B 1.61% | 187.25K | 11.47M | 0.00 |
RED ROCK RESORTS INCDFND | CL A | 16.39M | SH | $1.07B 1.60% | 0.00 | 16.27M | 118.03K |
IDEXX LABS INCDFND | COM | 1.98M | SH | $1.04B 1.56% | 0.00 | 1.95M | 22.03K |
CHOICE HOTELS INTL INCDFND | COM | 9.33M | SH | $1.03B 1.54% | 20K | 9.22M | 86.57K |
GARTNER INCDFND | COM | 7.60M | SH | $985.24M 1.48% | 0.00 | 7.54M | 61.01K |
FACTSET RESH SYS INCDFND | COM | 4.20M | SH | $966.53M 1.45% | 0.00 | 4.17M | 28.31K |
VAIL RESORTS INCDFND | COM | 6.54M | SH | $889.97M 1.34% | 0.00 | 6.47M | 71.04K |
KINSALE CAP GROUP INCDFND | COM | 2.66M | SH | $878.60M 1.32% | 0.00 | 2.64M | 27.58K |
VERISK ANALYTICS INCDFND | COM | 4.70M | SH | $844.26M 1.27% | 0.00 | 4.70M | 0.00 |
BIRKENSTOCK HOLDING PLCDFND | COM SHS | 14.74M | SH | $634.25M 0.95% | 0.00 | 14.74M | 0.00 |
FIGS INCDFND | CL A | 59.96M | SH | $613.39M 0.92% | 27.83M | 32.13M | 0.00 |
COSTAR GROUP INCDFND | COM | 21.63M | SH | $612.47M 0.92% | 0.00 | 21.37M | 257.01K |
ON HLDG AGDFND | NAMEN AKT A | 16.93M | SH | $599.65M 0.90% | 0.00 | 16.93M | 0.00 |
NVIDIA CORPORATIONDFND | COM | 2.97M | SH | $593.33M 0.89% | 0.00 | 2.92M | 0.00 |
MORNINGSTAR INCDFND | COM | 3.50M | SH | $545.94M 0.82% | 0.00 | 3.50M | 3.77K |
AMAZON COM INCDFND | COM | 1.96M | SH | $466.32M 0.70% | 0.00 | 1.94M | 0.00 |
INTERACTIVE BROKERS GROUP INDFND | COM CL A | 4.81M | SH | $418.42M 0.63% | 0.00 | 4.81M | 0.00 |
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