DOSSIER · 13F-HR · Q2 2026

BAMCO INC /NY/

$66.6B in tracked AUM across 345 positions as of Q2 2026.

BI
CIK 0001017918 · last filed Jun 30, 2026
Total AUM
$66.6B
as of Q2 2026
Holdings
345
positions
Whale Score
84
84
strong
Activity
no data
changes this Q
AI Analysis · Q2 2026
Comprehensive Analysis of BAMCO INC /NY/ SEC 13F Filing
1. Portfolio Overview

For the quarter ending September 30, 2025, BAMCO INC /NY/ reported a total portfolio value of $27.53 billion, spread across 199 holdings. This represents a significant decrease in portfolio value of -25.4% compared to the previous quarter's value of $36.89 billion. This reduction is attributable to a combination of market depreciation and active portfolio deleveraging, as evidenced by the substantial...

The portfolio demonstrates a high-conviction strategy with notable concentration risk. The top ten holdings account for approximately 53.5% of the total portfolio value, indicating a preference for concentrated bets on specific business models rather than broad index-like diversification. The firm is highly active, with zero positions remaining unchanged; 17 new positions were initiated, 17 were completely sold, 20 were reduced, and 13 were increased.

2. Key Holdings
Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
SPCX
SPACE EXPLORATION TECHN CORP
$24.9B145.8M37.4%
02
TSLA
TESLA INC
$5.3B12.5M7.9%
03
MSCI
MSCI INC
$1.8B3.2M2.7%
04
G0450A105
ARCH CAP GROUP LTD
$1.5B15.9M2.3%
05
H
HYATT HOTELS CORP
$1.4B7.3M2.1%
06
SHOP
SHOPIFY INC
$1.3B11.2M1.9%
07
L8681T102
SPOTIFY TECHNOLOGY S A
$1.1B2.4M1.7%
08
GWRE
GUIDEWIRE SOFTWARE INC
$1.1B9.0M1.7%
09
SCHW
SCHWAB CHARLES CORP
$1.1B11.7M1.6%
10
RRR
RED ROCK RESORTS INC
$1.1B16.4M1.6%

Filing history

2026Q2Jun 30
$66.6B 101.2%
345 positionsView →
2026Q1Mar 31
$33.1B 10.2%
326 positionsView →
2025Q4Dec 31
$36.9B 34.1%
327 positionsView →
2025Q3Sep 30
$27.5B 25.4%
199 positionsView →
2025Q2Jun 30
$36.9B 8.3%
306 positionsLocked
2025Q1Mar 31
$34.0B 12.0%
314 positionsLocked
2024Q4Dec 31
$38.7B 2.6%
316 positionsLocked
2024Q3Sep 30
$37.7B 8.0%
328 positionsLocked
2024Q2Jun 30
$34.9B 6.9%
329 positionsLocked
2024Q1Mar 31
$37.5B 0.1%
332 positionsLocked
2023Q4Dec 31
$37.5B 9.1%
330 positionsLocked
2023Q3Sep 30
$34.4B 4.7%
334 positionsLocked
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