Ticker · CUSIP 368736104

GNRC

GENERAC HLDGS INC

Industrials·Specialty Industrial Machinery

···Share

Holders (tracked)

Combined shares

5,677,999

Combined value

$774.31M

Last close

$212.10

Quarter

2025Q4

Price is +55.5% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$212.10+100.38 (+89.85%)H $236.58 · L $106.58 · Avg Vol 1.1M

Tracked holders · last 8 quarters

+6 vs previous quarter over the last 8.

SEC event timeline

28 events

Ken Griffin (Citadel Advisors) added2026-02-17
+172,377 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+1,194,382 shares · 2025Q4
Position
Philippe Laffont (Coatue) opened position2026-02-17
+369,210 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−705 shares · 2025Q4
Position
Wellington Management added2026-02-17
+59,099 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+67,720 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−55,100 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+16,502 shares · 2025Q4
Position
Steve Cohen (Point72) added2026-02-17
+46,000 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−95,477 shares · 2025Q4
Position
John Rogers (Ariel Investments) trimmed2026-02-13
−43,283 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−44,800 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+502,969 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
−42 shares · 2025Q4
Position
First Eagle Investment Management trimmed2026-02-04
−735 shares · 2025Q4
Position
Two Sigma Investments added2025-11-14
+182,975 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+130,110 shares · 2025Q3
Position
Philippe Laffont (Coatue) exited2025-11-14
−216,442 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+135 shares · 2025Q3
Position
Wellington Management opened position2025-11-14
+1,234 shares · 2025Q3
Position
John Rogers (Ariel Investments) trimmed2025-11-14
−337,364 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−165,553 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+118,489 shares · 2025Q3
Position
Renaissance Technologies opened position2025-11-13
+62,300 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−371,051 shares · 2025Q3
Position
First Eagle Investment Management trimmed2025-11-12
−2,444 shares · 2025Q3
Position
Norges Bank (Norway SWF) added2025-11-12
+45,295 shares · 2024Q3
Position
Ken Fisher (Fisher Asset Mgmt) opened position2025-11-12
+2,275 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for GNRC →

Follow-the-investor returns

If you'd copied each holder of GNRC…

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
Renaissance Technologies	2016Q1	$98.31	+115.7%	$3.7M
Norges Bank (Norway SWF)	2016Q1	$104.90	+102.2%	$106.7M
John Rogers (Ariel Investments)	2019Q1	$123.18	+72.2%	$302.0M
First Eagle Investment Management	2022Q2	$126.07	+68.2%	$954K
Philippe Laffont (Coatue)	2022Q3	$134.95	+57.2%	$78.3M
Wellington Management	2016Q1	$135.92	+56.0%	$12.8M
D.E. Shaw & Co.	2016Q1	$137.15	+54.6%	$39.5M
D.E. Shaw & Co.	2016Q1	$137.15	+54.6%	$39.5M
D.E. Shaw & Co.	2016Q1	$137.15	+54.6%	$39.5M
Steve Cohen (Point72)	2016Q3	$137.46	+54.3%	$4.5M
Steve Cohen (Point72)	2016Q3	$137.46	+54.3%	$4.5M
Paul Tudor Jones (Tudor Investment)	2016Q1	$138.72	+52.9%	$3.7M
Paul Tudor Jones (Tudor Investment)	2016Q1	$138.72	+52.9%	$3.7M
Paul Tudor Jones (Tudor Investment)	2016Q1	$138.72	+52.9%	$3.7M
Izzy Englander (Millennium Mgmt)	2016Q1	$138.87	+52.7%	$13.0M
Izzy Englander (Millennium Mgmt)	2016Q1	$138.87	+52.7%	$13.0M
Izzy Englander (Millennium Mgmt)	2016Q1	$138.87	+52.7%	$13.0M
Ken Griffin (Citadel Advisors)	2016Q1	$140.74	+50.7%	$43.2M
Ken Griffin (Citadel Advisors)	2016Q1	$140.74	+50.7%	$43.2M
Ken Griffin (Citadel Advisors)	2016Q1	$140.74	+50.7%	$43.2M
AQR Capital Management	2016Q3	$149.62	+41.8%	$40.1M
Two Sigma Investments	2016Q4	$164.26	+29.1%	$30.3M
Ken Fisher (Fisher Asset Mgmt)	2025Q3	$167.40	+26.7%	$474K
T. Rowe Price	2016Q1	$311.02	-31.8%	$17.7M

Who moved on this name in 2025Q4

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

New positions3

Norges Bank (Norway SWF)
+502,969
$68.6M
Philippe Laffont (Coatue)
+369,210
$50.3M
Paul Tudor Jones (Tudor Investment)
+67,720
$9.2M

Added to5

D.E. Shaw & Co.
+1,194,382
$162.9M
Ken Griffin (Citadel Advisors)
+172,377
$23.5M
Wellington Management
+59,099
$8.1M
Steve Cohen (Point72)
+46,000
$6.3M
Izzy Englander (Millennium Mgmt)
+16,502
$2.3M

Trimmed7

AQR Capital Management
−95,477
$13.0M
Two Sigma Investments
−55,100
$7.5M
Renaissance Technologies
−44,800
$6.1M
John Rogers (Ariel Investments)
−43,283
$5.9M
First Eagle Investment Management
−735
$100K
Ken Fisher (Fisher Asset Mgmt)
−42
$6K
T. Rowe Price
−705
$96

Exited0

—

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	13	9,672,310	$149.52B	—
2022Q2	20	10,307,487	$86.23B	+7
2022Q3	18	11,448,648	$2.04B	-2
2022Q4	19	12,722,872	$1.28B	+1
2023Q1	24	12,017,534	$1.30B	+5
2023Q2	21	10,207,218	$1.52B	-3
2023Q3	19	10,152,000	$1.11B	-2
2023Q4	16	8,708,751	$1.13B	-3
2024Q1	16	9,314,837	$1.17B	—
2024Q2	18	8,734,438	$1.15B	+2
2024Q3	22	4,644,433	$737.7M	+4
2024Q4	20	3,592,538	$557.0M	-2
2025Q1	19	3,324,271	$420.9M	-1
2025Q2	19	4,221,787	$604.6M	—
2025Q3	18	3,115,782	$521.6M	-1
2025Q4	24	5,677,999	$774.3M	+6

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-04-08	Rob Bresnahan	Sell	$1K – $15K	PDF ↗
2025-04-01	Julie Johnson	Sell	$1K – $15K	PDF ↗

Who owns GNRC

24 super-investors · 2025Q4

Tracked stake

5.68M

Combined value

$774M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New5Added12Trim7

#	Manager	Shares	Value	% of book	Last action
1	John Rogers Ariel Investments	1.42M	$194M	2.1%	Trim−43.3K
2	D.E. Shaw & Co.	1.33M	$182M	0.1%	Added+1.19M
3	Norges Bank Norway SWF	503.0K	$69M	0.0%	New+503.0K
4	Ken Griffin Citadel Advisors	371.0K	$51M	0.0%	Added+172.4K
5	Philippe Laffont Coatue	369.2K	$50M	0.1%	New+369.2K
6	Ken Griffin Citadel Advisors	244.3K	$33M	0.0%	Added+172.4K
7	Ken Griffin Citadel Advisors	203.7K	$28M	0.0%	Added+172.4K
8	AQR Capital Management	188.9K	$26M	0.0%	Trim−95.5K
9	D.E. Shaw & Co.	186.2K	$25M	0.0%	Added+1.19M
10	Izzy Englander Millennium Mgmt	153.3K	$21M	0.0%	Added+16.5K
11	Two Sigma Investments	142.8K	$19M	0.0%	Trim−55.1K
12	Izzy Englander Millennium Mgmt	108.8K	$15M	0.0%	Added+16.5K
13	T. Rowe Price	83.4K	$11M	0.0%	Trim−705
14	Paul Tudor Jones Tudor Investment	67.7K	$9M	0.0%	New+67.7K
15	Izzy Englander Millennium Mgmt	61.4K	$8M	0.0%	Added+16.5K
16	Wellington Management	60.3K	$8M	0.0%	Added+59.1K
17	Paul Tudor Jones Tudor Investment	53.3K	$7M	0.0%	New+67.7K
18	D.E. Shaw & Co.	34.0K	$5M	0.0%	Added+1.19M
19	Steve Cohen Point72	28.3K	$4M	0.0%	Added+46.0K
20	Steve Cohen Point72	21.3K	$3M	0.0%	Added+46.0K
21	Renaissance Technologies	17.5K	$2M	0.0%	Trim−44.8K
22	Paul Tudor Jones Tudor Investment	17.4K	$2M	0.0%	New+67.7K
23	First Eagle Investment Management	4.5K	$614K	0.0%	Trim−735
24	Ken Fisher Fisher Asset Mgmt	2.2K	$305K	0.0%	Trim−42

Recent moves

20 transactions

NEWPaul Tudor Jones (Tudor Investment)
+67,720 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+16,502 · 2025Q4
TRIMAQR Capital Management
−95,477 · 2025Q4
TRIMT. Rowe Price
−705 · 2025Q4
NEWPhilippe Laffont (Coatue)
+369,210 · 2025Q4
ADDSteve Cohen (Point72)
+46,000 · 2025Q4
ADDD.E. Shaw & Co.
+1,194,382 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+172,377 · 2025Q4
TRIMTwo Sigma Investments
−55,100 · 2025Q4
ADDWellington Management
+59,099 · 2025Q4
TRIMJohn Rogers (Ariel Investments)
−43,283 · 2025Q4
TRIMRenaissance Technologies
−44,800 · 2025Q4
NEWNorges Bank (Norway SWF)
+502,969 · 2025Q4
TRIMKen Fisher (Fisher Asset Mgmt)
−42 · 2025Q4
TRIMFirst Eagle Investment Management
−735 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−165,553 · 2025Q3
ADDD.E. Shaw & Co.
+118,489 · 2025Q3
ADDTwo Sigma Investments
+182,975 · 2025Q3
SOLDPhilippe Laffont (Coatue)
−216,442 · 2025Q3
ADDT. Rowe Price
+135 · 2025Q3

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