DOSSIER · 13F-HR · Q1 2026

GAMCO INVESTORS, INC. ET AL

$10.2B in tracked AUM across 1,007 positions as of Q1 2026.

GI
CIK 0000807249 · last filed Mar 31, 2026
Total AUM
$10.2B
as of Q1 2026
Holdings
1,007
positions
Whale Score
60
60
tracked
Activity
no data
changes this Q
AI Analysis · Q1 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 · Q1 2026. Methodology

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
MSGS
MADISON SQUARE GARDEN SPORTS
$189M588K1.9%
02
GATX
GATX CORP
$188M1.1M1.9%
03
MLI
MUELLER INDUSTRIES INC
$181M1.6M1.8%
04
CR
CRANE CO
$171M998K1.7%
05
NFG
NATIONAL FUEL GAS CO
$129M1.4M1.3%
06
BK
BANK OF NEW YORK MELLON CORP
$124M1.0M1.2%
07
MOD
MODINE MANUFACTURING CO
$119M551K1.2%
08
AXP
AMERICAN EXPRESS CO
$119M394K1.2%
09
AME
AMETEK INC
$118M549K1.2%
10
WTS
WATTS WATER TECHNOLOGIES-A
$117M404K1.2%

Filing history

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 positionsLocked
2025Q1Mar 31
$9.1B 4.9%
854 positionsLocked
2024Q4Dec 31
$9.5B 2.3%
871 positionsLocked
2024Q3Sep 30
$9.8B 6.2%
865 positionsLocked
2024Q2Jun 30
$9.2B 7.0%
872 positionsLocked
2024Q1Mar 31
$9.9B 5.6%
858 positionsLocked
2023Q4Dec 31
$9.4B 8.6%
847 positionsLocked
2023Q3Sep 30
$8.6B 9.4%
847 positionsLocked
2023Q2Jun 30
$9.5B 2.5%
857 positionsLocked
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