Data as of Q4 2025 (Dec 31, 2025)

BAMCO INC /NY/

•CIK: 1017918•Filing: Q4 2025

BAMCO INC, with $36.9B in AUM, is known for its concentrated, high-conviction bets, exemplified by a 14.5% allocation to TSLA. Recently, the fund has made notable moves by adding VEN and ABVX, up 691% and 184% respectively, while exiting positions like LLYVK and TREX.

Total AUM
$36.9B
QoQ Performance
-2.1%
Positions
324
Top 10 Concentration
43.9%
Latest Filing
Q4 2025

Top Holdings Allocation

TSLA
TSLA14.5%
ACGL4.7%
MSCI4.3%
CSGP3.6%
IDXX3.3%
IT2.9%
GWRE2.8%
H2.7%

📈 Biggest Buys

FDS
FACTSET RESH SYS INC
+58.8%
2.3% of portfolio
MSCI
MSCI INC
+15.1%
4.3% of portfolio
CHH
CHOICE HOTELS INTL INC
+37.8%
1.9% of portfolio
LLYVK
LIBERTY LIVE HOLDINGS INC
NEW
0.4% of portfolio
VEN
VENTAS INC
+615.1%
0.3% of portfolio

📉 Biggest Sells

GLPI
GAMING & LEISURE PPTYS INC
-63.9%
0.2% of portfolio
EXK
EXACT SCIENCES CORP
-55.4%
0.3% of portfolio
MTN
VAIL RESORTS INC
-15.7%
1.7% of portfolio
MTD
METTLER TOLEDO INTERNATIONAL
-30.8%
0.6% of portfolio
VRT
VERTIV HOLDINGS CO
-25.4%
0.7% of portfolio

Sector Breakdown

Other71.1%
Consumer19.0%
Technology3.2%
Financial2.8%
Communication2.3%
Real Estate1.0%
Materials0.3%
Healthcare0.3%

🚪 Exited Positionssold since Q3 2025

FWONA
LIBERTY MEDIA CORP DEL
SOLD
$141.5M
CNS
COHEN & STEERS INC
SOLD
$113.4M
TTD
THE TRADE DESK INC
SOLD
$88.2M
TREX
TREX CO INC
SOLD
$82.1M
ITGR
INTEGER HLDGS CORP
SOLD
$79.2M
+135 more exited positions

Changes from Q3 2025

NEW10 new positions
↑91 increased
↓80 decreased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

📌 Top Holdings

TSLA14.5%
TESLA INC
$5.4B
ACGL4.7%
ARCH CAP GROUP LTD
$1.7B
MSCI4.3%
MSCI INC
$1.6B
CSGP3.6%
COSTAR GROUP INC
$1.3B
IDXX3.3%
IDEXX LABS INC
$1.2B

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