Ticker · CUSIP 383082104

GRC

GORMAN RUPP CO

Industrials·Specialty Industrial Machinery

···Share

Holders (tracked)

Combined shares

899,756

Combined value

$42.96M

Last close

$68.26

Quarter

2025Q4

Price is +43.0% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$68.26+35.33 (+107.28%)H $72.16 · L $31.89 · Avg Vol 96K

Position opened

Tracked holders · last 8 quarters

-3 vs previous quarter over the last 8.

SEC event timeline

19 events

Ken Griffin (Citadel Advisors) exited2026-02-17
−28,788 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−15,799 shares · 2025Q4
Position
D.E. Shaw & Co. exited2026-02-17
−19,196 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) exited2026-02-17
−91,539 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+702 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+3,384 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−3,200 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
−4,204 shares · 2025Q4
Position
Mario Gabelli (GAMCO) added2026-02-05
+2,970 shares · 2025Q4
Position
Two Sigma Investments added2025-11-14
+11,203 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−47,170 shares · 2025Q3
Position
D.E. Shaw & Co. trimmed2025-11-14
−2,594 shares · 2025Q3
Position
Steve Cohen (Point72) exited2025-11-14
−7,178 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+9,835 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+1,121 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+19,700 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-12
−39,200 shares · 2024Q3
Position
Mario Gabelli (GAMCO) added2025-11-12
+3,562 shares · 2025Q3
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12
−2,506 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for GRC →

Follow-the-investor returns

If you'd copied each holder of GRC…

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
Ken Fisher (Fisher Asset Mgmt)	2022Q4	$27.50	+148.2%	$2.7M
Mario Gabelli (GAMCO)	2016Q1	$27.83	+145.2%	$40.9M
T. Rowe Price	2020Q1	$33.06	+106.5%	$1.6M
Two Sigma Investments	2016Q3	$34.28	+99.1%	$2.2M
Renaissance Technologies	2016Q1	$35.84	+90.5%	$11.8M
AQR Capital Management	2018Q2	$39.69	+72.0%	$2.3M

Who moved on this name in 2025Q4

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

New positions0

—

Added to3

Trimmed3

Two Sigma Investments
−15,799
$754K
Ken Fisher (Fisher Asset Mgmt)
−4,204
$201K
Renaissance Technologies
−3,200
$153K

Exited3

Izzy Englander (Millennium Mgmt)
−91,539
$4.2M
Ken Griffin (Citadel Advisors)
−28,788
$1.3M
D.E. Shaw & Co.
−19,196
$891K

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	8	2,471,400	$88.7M	—
2022Q2	9	2,618,492	$74.1M	+1
2022Q3	9	2,623,183	$62.4M	—
2022Q4	11	2,500,069	$64.1M	+2
2023Q1	11	2,471,415	$61.8M	—
2023Q2	11	2,530,418	$73.0M	—
2023Q3	12	2,611,392	$85.9M	+1
2023Q4	11	2,584,129	$91.8M	-1
2024Q1	11	2,666,356	$105.5M	—
2024Q2	14	2,645,633	$97.1M	+3
2024Q3	12	1,077,540	$42.0M	-2
2024Q4	11	1,045,155	$39.6M	-1
2025Q1	12	1,089,350	$38.2M	+1
2025Q2	10	1,144,345	$42.0M	-2
2025Q3	9	1,055,426	$49.0M	-1
2025Q4	6	899,756	$43.0M	-3

Who owns GRC

6 super-investors · 2025Q4

Tracked stake

899.8K

Combined value

$43M

% of shares outstanding

—

shares-out unknown

Quarter action mix

Added3Trim3

#	Manager	Shares	Value	% of book	Last action
1	Mario Gabelli GAMCO	599.5K	$29M	0.3%	Added+3.0K
2	Renaissance Technologies	172.6K	$8M	0.0%	Trim−3.2K
3	Ken Fisher Fisher Asset Mgmt	38.9K	$2M	0.0%	Trim−4.2K
4	AQR Capital Management	33.3K	$2M	0.0%	Added+3.4K
5	Two Sigma Investments	32.1K	$2M	0.0%	Trim−15.8K
6	T. Rowe Price	23.4K	$1M	0.0%	Added+702

Recent moves

20 transactions

SOLDD.E. Shaw & Co.
−19,196 · 2025Q4
SOLDIzzy Englander (Millennium Mgmt)
−91,539 · 2025Q4
SOLDKen Griffin (Citadel Advisors)
−28,788 · 2025Q4
ADDT. Rowe Price
+702 · 2025Q4
ADDAQR Capital Management
+3,384 · 2025Q4
TRIMTwo Sigma Investments
−15,799 · 2025Q4
TRIMRenaissance Technologies
−3,200 · 2025Q4
TRIMKen Fisher (Fisher Asset Mgmt)
−4,204 · 2025Q4
ADDMario Gabelli (GAMCO)
+2,970 · 2025Q4
SOLDSteve Cohen (Point72)
−7,178 · 2025Q3
ADDAQR Capital Management
+9,835 · 2025Q3
ADDT. Rowe Price
+1,121 · 2025Q3
TRIMD.E. Shaw & Co.
−2,594 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−47,170 · 2025Q3
ADDTwo Sigma Investments
+11,203 · 2025Q3
ADDRenaissance Technologies
+19,700 · 2025Q3
TRIMKen Fisher (Fisher Asset Mgmt)
−2,506 · 2025Q3
SOLDNorges Bank (Norway SWF)
−39,200 · 2024Q3
ADDMario Gabelli (GAMCO)
+3,562 · 2025Q3
ADDSteve Cohen (Point72)
+1,629 · 2025Q2

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