2026 Q3 Portfolio Activity
In 2026 Q3, GAMCO INVESTORS, INC. ET AL maintained a portfolio of 977 distinct positions. The most significant new addition was SPACE EXPLORATION TECHN-CL A, now representing 0.04% of the total fund value. They heavily accumulated shares in RUSH ENTERPRISES INC - CL B, increasing the position by 46.9%. Conversely, GAMCO INVESTORS, INC. ET AL completely exited their position in CHART INDUSTRIES INC.
Position History
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Total Positions
977
Quarter
2026 Q3
Top Holding
MSGS (2.1%)
Top 10 Concentration
14.8%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 977
GAMCO INVESTORS, INC. ET AL Full Holdings List — 2026 Q3
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MSGS
MADISON SQUARE ...
|
Communication Services | 2.07% | 2.12% |
#1
Prev: #1
|
3.3 |
—
|
-69,504 | -11.8% |
P
S
|
519,624 | $210,556,841 | 2015 Q4 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
MLI
MUELLER INDUSTR...
|
Industrials | 1.79% | 1.70% |
#2
1
Prev: #3
|
5.2 |
—
|
1,468,450 | 95.2% |
P
S
|
3,010,600 | $182,472,466 | 2000 Q4 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
CR
CRANE CO
|
Industrials | 1.77% | 1.96% |
#3
1
Prev: #2
|
2.2 |
—
|
-93,421 | -9.5% |
P
S
|
885,532 | $180,666,239 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
GATX
GATX CORP
|
Industrials | 1.75% | 1.68% |
#4
Prev: #4
|
1.7 |
—
|
-9,395 | -0.9% |
P
S
|
1,045,567 | $177,767,301 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
WTS
WATTS WATER TEC...
|
Industrials | 1.37% | 1.40% |
#5
Prev: #5
|
1.5 |
—
|
-4,130 | -1.0% |
P
S
|
394,902 | $139,866,390 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
BK
BANK OF NEW YOR...
|
Financial Services | 1.29% | 1.27% |
#6
Prev: #6
|
1.0 |
—
|
-65,916 | -6.7% |
P
S
|
910,942 | $131,749,541 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
BATRA
ATLANTA BRAVES ...
|
Communication Services | 1.21% | 1.08% |
#7
5
Prev: #12
|
1.0 |
—
|
-18,351 | -0.9% |
P
S
|
2,126,645 | $123,409,209 | 2023 Q3 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
AME
AMETEK INC
|
Industrials | 1.20% | 1.18% |
#8
1
Prev: #9
|
1.0 |
—
|
-50,670 | -9.3% |
P
S
|
493,702 | $122,304,796 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
HRI
HERC HOLDINGS I...
|
Industrials | 1.18% | 1.26% |
#9
2
Prev: #7
|
1.0 |
—
|
-13,208 | -1.4% |
P
S
|
963,531 | $120,248,669 | 2016 Q3 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
AXP
AMERICAN EXPRES...
|
Financial Services | 1.14% | 1.18% |
#10
Prev: #10
|
1.0 |
—
|
-7,866 | -2.0% |
P
S
|
381,096 | $115,891,294 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
RHP
RYMAN HOSPITALI...
|
Real Estate | 1.04% | 1.03% |
#11
4
Prev: #15
|
0.9 |
—
|
-5,070 | -0.6% |
P
S
|
886,330 | $105,943,025 | 2012 Q4 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
NFG
NATIONAL FUEL G...
|
Energy | 1.02% | 0.95% |
#12
5
Prev: #17
|
0.9 |
—
|
-6,211 | -0.5% |
P
S
|
1,364,136 | $103,483,357 | 2000 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
MYE
MYERS INDUSTRIE...
|
Consumer Cyclical | 1.00% | 1.07% |
#13
Prev: #13
|
0.9 |
—
|
-76,260 | -2.3% |
P
S
|
3,298,059 | $101,481,275 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
SONY
SONY GROUP CORP...
|
Technology | 0.99% | 0.81% |
#14
6
Prev: #20
|
0.9 |
—
|
-198,933 | -4.4% |
P
S
|
4,299,784 | $101,173,918 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
CNH
CNH INDUSTRIAL ...
|
Industrials | 0.93% | 0.76% |
#15
7
Prev: #22
|
0.9 |
—
|
-108,738 | -1.4% |
P
S
|
7,397,540 | $95,058,389 | 2013 Q4 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
TXT
TEXTRON INC
|
Industrials | 0.93% | 1.05% |
#16
2
Prev: #14
|
0.9 |
—
|
-34,526 | -2.7% |
P
S
|
1,243,873 | $94,783,123 | 2000 Q2 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
RSG
REPUBLIC SERVIC...
|
Industrials | 0.91% | 0.85% |
#17
1
Prev: #18
|
0.9 |
—
|
-6,224 | -1.4% |
P
S
|
440,155 | $92,375,330 | 2000 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
MOD
MODINE MANUFACT...
|
Consumer Cyclical | 0.86% | 1.17% |
#18
7
Prev: #11
|
0.8 |
—
|
-20,410 | -4.2% |
P
S
|
469,559 | $87,901,445 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
RUSHB
RUSH ENTERPRISE...
|
Consumer Cyclical | 0.82% | 0.72% |
#19
4
Prev: #23
|
2.8 |
—
|
493,987 | 46.9% |
P
S
|
1,546,362 | $83,364,375 | 2007 Q4 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
NPO
ENPRO INC
|
Industrials | 0.81% | 0.95% |
#20
4
Prev: #16
|
0.8 |
—
|
-13,211 | -4.7% |
P
S
|
268,466 | $82,220,397 | 2004 Q4 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
NVDA
NVIDIA CORP
|
Technology | 0.77% | 0.62% |
#21
11
Prev: #32
|
0.8 |
—
|
-1,861 | -0.5% |
P
S
|
345,607 | $78,929,727 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
TSAT
TELESAT CORP
|
Technology | 0.77% | 0.78% |
#22
1
Prev: #21
|
0.8 |
—
|
-13,058 | -0.8% |
P
S
|
1,710,327 | $78,914,488 | 2021 Q4 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
FLS
FLOWSERVE CORP
|
Industrials | 0.74% | 0.70% |
#23
3
Prev: #26
|
0.8 |
—
|
-19,389 | -1.8% |
P
S
|
1,030,737 | $75,367,489 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
PAG
PENSKE AUTOMOTI...
|
Consumer Cyclical | 0.74% | 0.63% |
#24
6
Prev: #30
|
0.8 |
—
|
-18,785 | -4.8% |
P
S
|
375,602 | $75,248,105 | 2000 Q3 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
STT
STATE STREET CO...
|
Financial Services | 0.74% | 0.69% |
#25
2
Prev: #27
|
0.8 |
—
|
-20,078 | -4.5% |
P
S
|
430,925 | $75,235,196 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
SPHR
SPHERE ENTERTAI...
|
Communication Services | 0.71% | 1.19% |
#26
18
Prev: #8
|
0.3 |
—
|
-227,049 | -29.6% |
P
S
|
538,864 | $72,444,876 | 2020 Q2 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
DCO
DUCOMMUN INC
|
Industrials | 0.70% | 0.71% |
#27
2
Prev: #25
|
0.8 |
—
|
-14,401 | -3.4% |
P
S
|
413,431 | $70,919,954 | 2007 Q3 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
ODC
OIL-DRI CORP OF...
|
Basic Materials | 0.69% | 0.71% |
#28
4
Prev: #24
|
0.8 |
—
|
-1,600 | -0.2% |
P
S
|
776,450 | $70,338,606 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
GOOG
ALPHABET INC-CL...
|
Communication Services | 0.67% | 0.65% |
#29
Prev: #29
|
0.8 |
—
|
-1,922 | -0.9% |
P
S
|
201,549 | $68,675,806 | 2005 Q2 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
CTS
CTS CORP
|
Technology | 0.67% | 0.68% |
#30
2
Prev: #28
|
0.8 |
—
|
-9,478 | -0.8% |
P
S
|
1,161,018 | $68,140,146 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
ATI
ATI INC
|
Industrials | 0.66% | 0.63% |
#31
Prev: #31
|
0.8 |
—
|
-500 | -0.1% |
P
S
|
357,500 | $67,710,500 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
BATRK
ATLANTA BRAVES ...
|
Communication Services | 0.65% | 0.59% |
#32
3
Prev: #35
|
0.8 |
—
|
-13,569 | -1.1% |
P
S
|
1,254,719 | $66,424,824 | 2023 Q3 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
CW
CURTISS-WRIGHT ...
|
Industrials | 0.65% | 0.83% |
#33
14
Prev: #19
|
0.8 |
—
|
-709 | -0.6% |
P
S
|
121,423 | $66,032,256 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
SWX
SOUTHWEST GAS H...
|
Utilities | 0.61% | 0.61% |
#34
1
Prev: #33
|
0.7 |
—
|
2,207 | 0.3% |
P
S
|
766,401 | $62,492,338 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
DE
DEERE & CO
|
Industrials | 0.61% | 0.53% |
#35
4
Prev: #39
|
0.7 |
—
|
-1,400 | -1.5% |
P
S
|
92,165 | $61,893,406 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
GPC
GENUINE PARTS C...
|
Consumer Cyclical | 0.55% | 0.48% |
#36
13
Prev: #49
|
0.7 |
—
|
-757 | -0.2% |
P
S
|
448,073 | $56,340,699 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
PKOH
PARK-OHIO HOLDI...
|
Industrials | 0.55% | 0.42% |
#37
25
Prev: #62
|
0.7 |
—
|
-10,828 | -0.9% |
P
S
|
1,214,698 | $56,119,036 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
MWA
MUELLER WATER P...
|
Industrials | 0.55% | 0.59% |
#38
2
Prev: #36
|
0.7 |
—
|
88,248 | 3.5% |
P
S
|
2,626,320 | $55,783,037 | 2006 Q2 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
NEM
NEWMONT CORP
|
Basic Materials | 0.54% | 0.41% |
#39
26
Prev: #65
|
0.7 |
—
|
-10,347 | -2.1% |
P
S
|
479,431 | $55,297,572 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
MSFT
MICROSOFT CORP
|
Technology | 0.54% | 0.36% |
#40
43
Prev: #83
|
0.7 |
—
|
222 | 0.2% |
P
S
|
106,323 | $54,533,067 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
ITT
ITT INC
|
Industrials | 0.53% | 0.44% |
#41
14
Prev: #55
|
2.2 |
—
|
21,406 | 8.6% |
P
S
|
269,413 | $54,372,932 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
JPM
JPMORGAN CHASE ...
|
Financial Services | 0.52% | 0.48% |
#42
6
Prev: #48
|
0.7 |
—
|
-1,478 | -0.9% |
P
S
|
161,013 | $53,267,931 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
GGG
GRACO INC
|
Industrials | 0.51% | 0.46% |
#43
10
Prev: #53
|
0.7 |
—
|
-1,775 | -0.3% |
P
S
|
681,199 | $52,343,331 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
TNC
TENNANT CO
|
Industrials | 0.51% | 0.55% |
#44
6
Prev: #38
|
2.2 |
—
|
65,462 | 9.3% |
P
S
|
766,562 | $51,528,272 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
TDS
TELEPHONE AND D...
|
Communication Services | 0.50% | 0.50% |
#45
2
Prev: #43
|
0.7 |
—
|
392 | 0.0% |
P
S
|
1,491,365 | $50,587,101 | 2012 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
AN
AUTONATION INC
|
Consumer Cyclical | 0.49% | 0.53% |
#46
6
Prev: #40
|
0.7 |
—
|
1,620 | 0.5% |
P
S
|
318,638 | $50,166,367 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
SBGI
SINCLAIR INC
|
Communication Services | 0.48% | 0.50% |
#47
6
Prev: #41
|
0.7 |
—
|
-67,550 | -1.7% |
P
S
|
3,868,451 | $49,090,643 | 1999 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
ROK
ROCKWELL AUTOMA...
|
Industrials | 0.47% | 0.49% |
#48
4
Prev: #44
|
0.7 |
—
|
-476 | -0.4% |
P
S
|
110,913 | $48,283,756 | 2000 Q2 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
AIN
ALBANY INTL COR...
|
Consumer Cyclical | 0.47% | 0.47% |
#49
2
Prev: #51
|
2.2 |
—
|
100,163 | 14.3% |
P
S
|
802,042 | $47,809,737 | 2002 Q4 | 13F Filing | 2026-09-30 | 2026-11-12 | |||
|
MTRN
MATERION CORP
|
Basic Materials | 0.47% | 0.48% |
#50
3
Prev: #47
|
0.7 |
—
|
-4,100 | -2.3% |
P
S
|
176,840 | $47,674,296 | 2011 Q1 | 13F Filing | 2026-09-30 | 2026-11-12 |
Showing 1-50 of 977 holdings