13F Insight
DOSSIER · 13F-HR · Q2 2026

GAMCO INVESTORS, INC. ET AL

$11.1B in tracked AUM across 938 positions as of Q2 2026.

GI
CIK 0000807249 · last filed Jun 30, 2026
Total AUM
$11.1B
as of Q2 2026
Holdings
938
—
positions
Whale Score
62
62
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026

GAMCO INVESTORS, INC. ET AL reported $10.2B in 13F holdings for the quarter ending 2026-03-31, concentrated in consumer cyclical with leading positions in MSGS, GATX, MLI. Notable moves this quarter: NVDA INCREASED (+$0.6M). 6 new positions initiated, 6 closed out, reflecting 56 total changes from the prior quarter.

GAMCO INVESTORS, INC. ET AL entered 2026-03-31 with $10.2B in reported 13F holdings, placing it among the institution's recent AUM range. The portfolio maintains a consumer cyclical tilt, with the top five positions accounting for a meaningful share of the overall book.

Top 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
MSGS
MADISON SQUARE GARDEN SPORTS
$237M589K2.1%02
CR
CRANE CO
$218M979K2.0%03
MLI
MUELLER INDUSTRIES INC
$190M1.5M1.7%04
GATX
GATX CORP
$187M1.1M1.7%05
WTS
WATTS WATER TECHNOLOGIES-A
$156M399K1.4%06
BK
BANK OF NEW YORK MELLON CORP
$141M977K1.3%07
HRI
HERC HOLDINGS INC
$140M977K1.3%08
SPHR
SPHERE ENTERTAINMENT CO
$133M766K1.2%09
AME
AMETEK INC
$132M544K1.2%10
AXP
AMERICAN EXPRESS CO
$132M389K1.2%

Filing history

2026Q2Jun 30
$11.1B▲ 9.7%
938 positionsView →2026Q1Mar 31
$10.2B▼ 2.5%
1,007 positionsView →2025Q4Dec 31
$10.4B▲ 1.0%
1,036 positionsView →2025Q3Sep 30
$10.3B▲ 1.8%
1,015 positionsView →2025Q2Jun 30
$10.1B▲ 11.4%
1,048 positionsLocked2025Q1Mar 31
$9.1B▼ 4.9%
854 positionsLocked2024Q4Dec 31
$9.5B▼ 2.3%
871 positionsLocked2024Q3Sep 30
$9.8B▲ 6.2%
865 positionsLocked2024Q2Jun 30
$9.2B▼ 7.0%
872 positionsLocked2024Q1Mar 31
$9.9B▲ 5.6%
858 positionsLocked2023Q4Dec 31
$9.4B▲ 8.6%
847 positionsLocked2023Q3Sep 30
$8.6B▼ 9.4%
847 positionsLocked
Showing 12 of 100