Ticker · CUSIP 368678108

GENC

GENCOR INDS INC

Industrials·Farm & Heavy Construction Machinery

···Share

Holders (tracked)

Combined shares

692,279

Combined value

$8.97M

Last close

$15.03

Quarter

2025Q4

Price is +16.0% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$15.03+3.49 (+30.24%)H $16.46 · L $11.03 · Avg Vol 30K

Position opened

Tracked holders · last 8 quarters

-1 vs previous quarter over the last 8.

SEC event timeline

9 events

Ken Griffin (Citadel Advisors) trimmed2026-02-17
−4,807 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−3,767 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−9,907 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−9,700 shares · 2025Q4
Position
Mario Gabelli (GAMCO) added2026-02-05
+47,600 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+24,207 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+12,773 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+1,100 shares · 2025Q3
Position
Mario Gabelli (GAMCO) trimmed2025-11-12
−13,860 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for GENC →

Follow-the-investor returns

If you'd copied each holder of GENC…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Mario Gabelli (GAMCO)	2016Q3	$12.76	+17.8%	$3.9M
Renaissance Technologies	2016Q1	$13.72	+9.5%	$5.2M
AQR Capital Management	2025Q2	$14.33	+4.9%	$220K
Ken Griffin (Citadel Advisors)	2020Q1	$14.45	+4.0%	$554K
Izzy Englander (Millennium Mgmt)	2017Q2	$14.78	+1.7%	$581K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions0

—

Added to1

Mario Gabelli (GAMCO)
+47,600
$617K

Trimmed4

AQR Capital Management
−9,907
$128K
Renaissance Technologies
−9,700
$126K
Ken Griffin (Citadel Advisors)
−4,807
$62K
Izzy Englander (Millennium Mgmt)
−3,767
$49K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	4	617,865	$6.4M	—
2022Q2	3	585,640	$6.0M	-1
2022Q3	3	560,374	$5.0M	—
2022Q4	4	570,254	$5.8M	+1
2023Q1	4	623,567	$9.6M	—
2023Q2	4	955,312	$14.9M	—
2023Q3	4	1,086,132	$15.3M	—
2023Q4	4	1,137,690	$18.4M	—
2024Q1	6	1,192,469	$19.9M	+2
2024Q2	5	1,180,051	$22.8M	-1
2024Q3	6	633,149	$13.2M	+1
2024Q4	5	621,909	$11.0M	-1
2025Q1	6	689,808	$8.4M	+1
2025Q2	6	665,594	$9.3M	—
2025Q3	6	699,060	$10.2M	—
2025Q4	5	692,279	$9.0M	-1

Who owns GENC

5 super-investors · 2025Q4

Tracked stake

692.3K

Combined value

$9M

% of shares outstanding

—

shares-out unknown

Quarter action mix

Added1Trim4

#	Manager	Shares	Value	% of book	Last action
1	Renaissance Technologies	344.0K	$4M	0.0%	Trim−9.7K
2	Mario Gabelli GAMCO	258.2K	$3M	0.0%	Added+47.6K
3	Izzy Englander Millennium Mgmt	38.6K	$501K	0.0%	Trim−3.8K
4	Ken Griffin Citadel Advisors	36.8K	$478K	0.0%	Trim−4.8K
5	AQR Capital Management	14.6K	$190K	0.0%	Trim−9.9K

Recent moves

20 transactions

TRIMAQR Capital Management
−9,907 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−4,807 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−3,767 · 2025Q4
TRIMRenaissance Technologies
−9,700 · 2025Q4
ADDMario Gabelli (GAMCO)
+47,600 · 2025Q4
ADDAQR Capital Management
+12,773 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+24,207 · 2025Q3
ADDRenaissance Technologies
+1,100 · 2025Q3
TRIMMario Gabelli (GAMCO)
−13,860 · 2025Q3
NEWAQR Capital Management
+11,768 · 2025Q2
TRIMIzzy Englander (Millennium Mgmt)
−1,540 · 2025Q2
TRIMRenaissance Technologies
−14,300 · 2025Q2
ADDMario Gabelli (GAMCO)
+34,260 · 2025Q2
SOLDFirst Eagle Investment Management
−28,801 · 2025Q2
NEWIzzy Englander (Millennium Mgmt)
+19,724 · 2025Q1
ADDMario Gabelli (GAMCO)
+26,300 · 2025Q1
ADDRenaissance Technologies
+24,200 · 2025Q1
TRIMFirst Eagle Investment Management
−45,263 · 2025Q1
TRIMRenaissance Technologies
−14,200 · 2024Q4
TRIMMario Gabelli (GAMCO)
−800 · 2024Q4

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