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Super Investors GROESBECK INVESTMENT MANAGEMENT CORP /NJ/
GI

GROESBECK INVESTMENT MANAGEMENT CORP /NJ/

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$60.4K
Positions
94
Quarter ended
September 30, 2026
Filed
October 26, 2026

Reported portfolio value by quarter (54 quarters reported)

$241M $60.4K
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q3 26

$237M in Q2 2013 → $60.4K now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
LR Lam Research Corp Com New 11.2% Trimmed 7.3% 20,673 $6.79K
BC Broadcom Inc Com 8.0% Trimmed 5.0% 13,731 $4.82K
UR United Rentals Inc Com 6.0% Trimmed 0.4% 3,605 $3.61K
AN Arista Networks Inc Com Shs 5.1% Trimmed 6.3% 14,980 $3.05K
FC Fortinet Inc Com 4.3% Trimmed 2.1% 14,685 $2.63K
NC Nvidia Corporation Com 4.2% Trimmed 1.3% 11,195 $2.56K
MC Microsoft Corp Com 3.5% Added 0.2% 4,137 $2.12K
AC Apple Inc Com 3.2% Unchanged 5,830 $1.94K
GS Goldman Sachs Group Inc Com 3.1% Trimmed 1.7% 2,052 $1.85K
AC Alphabet Inc Cap Stk Cl C 2.6% Trimmed 1.5% 4,670 $1.59K
PA Palo Alto Networks Inc Com 2.3% Trimmed 0.4% 3,475 $1.38K
OA Oreilly Automotive Inc Com 2.3% Unchanged 16,020 $1.37K
VC Visa Inc Com Cl A 2.2% Added 11% 3,774 $1.36K
TF Thermo Fisher Scientific Inc Com 1.9% Added 8.7% 1,742 $1.18K
AC Alphabet Inc Cap Stk Cl A 1.9% Trimmed 2.6% 3,355 $1.15K
CG The Cigna Group Com 1.8% Added 5.5% 4,030 $1.1K
SW Sherwin Williams Co Com 1.6% Unchanged 3,015 $975
MP Meta Platforms Inc Cl A 1.5% Trimmed 4.5% 1,280 $928
FB Five Below Inc Com 1.5% Added 0.5% 4,115 $904
NM Nexstar Media Group Inc Common Stock 1.5% Trimmed 1.2% 5,584 $902
AC Abbvie Inc Com 1.4% Unchanged 3,155 $825
PT Price T Rowe Group Inc Com 1.3% Trimmed 0.9% 7,712 $802
EG Essent Group Ltd Com 1.3% Added 23% 13,640 $790
VP Vertex Pharmaceuticals Inc Com 1.3% Unchanged 1,470 $769
CF Cullen Frost Bankers Inc Com 1.3% Added 16% 4,984 $761
ST SS&C Tech Hldgs Com 1.2% Added 27% 9,473 $730
UB Ulta Beauty Inc Com 1.1% Unchanged 1,205 $658
AC Amgen Inc Com 1.1% Trimmed 2.3% 1,510 $636
TS Tractor Supply Co Com 0.9% Trimmed 2.8% 17,470 $547
AC Amazon Com Inc Com 0.9% Added 1.9% 2,191 $546
TI Thor Inds Inc Com 0.8% Trimmed 0.6% 7,160 $495
BO Bank Ozk Little Rock Ark Com 0.8% Added 4.1% 10,607 $487
M& Merck & Co Inc Com 0.8% Trimmed 4.0% 3,260 $474
EL Edwards Lifesciences Corp Com 0.8% Trimmed 3.6% 5,338 $461
MC Mckesson Corp Com 0.7% Added 1.0% 510 $435
AL Abbott Laboratories Com 0.7% Unchanged 4,329 $428
TS Td Synnex Corporation Com 0.7% Trimmed 5.9% 1,608 $413
UG Unitedhealth Group Inc Com 0.6% Unchanged 1,050 $385
MS Morgan Stanley Com New 0.6% Unchanged 1,900 $357
CC Copart Inc Com 0.6% Trimmed 2.2% 13,060 $356
QS Quanta Svcs Inc Com 0.6% Unchanged 536 $344
IM Iron Mtn Inc Del Com 0.6% Trimmed 8.4% 3,008 $334
LT L3harris Technologies Inc Com 0.5% Unchanged 1,400 $331
IE Intercontinental Exchange Inc Com 0.5% Trimmed 3.3% 2,158 $328
BC Blackrock Inc Com 0.5% Trimmed 5.1% 298 $315
WG Ww Grainger Inc Com 0.4% Added 4.0% 208 $259
CC Celestica Inc Com 0.4% Added 7.6% 710 $257
CG Carrier Global Corporation Com 0.4% Trimmed 4.6% 4,389 $241
EC Ebay Inc. Com 0.4% Trimmed 8.6% 2,258 $239
KC Kroger Co Com 0.4% Trimmed 6.1% 4,012 $235
DS Dicks Sporting Goods Inc Com 0.4% Unchanged 1,694 $227
PC Parker-hannifin Corp Com 0.4% Unchanged 234 $224
OC Owens Corning New Com 0.4% Trimmed 3.7% 1,897 $221
AP Allegion PLC Ord Shs 0.4% Trimmed 5.7% 1,380 $212
WC Watsco Inc Com 0.3% Unchanged 697 $211
AM Applied Matls Inc Com 0.3% Unchanged 400 $205
PC Pinterest Inc Cl A 0.3% Unchanged 9,702 $183
DC Dropbox Inc Cl A 0.3% Trimmed 16% 5,200 $176
HD Home Depot Inc Com 0.3% Trimmed 4.9% 604 $172
LM Lockheed Martin Corp Com 0.3% Trimmed 9.3% 303 $154

Showing top 60 of 94 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 26, 2026

Company Action Shares changed Value of change % of portfolio
ON Oneok Inc New Com Exited −644 −$56K —
IB Ishares Bloomberg Roll Select Commodity Strategy ETF Exited −910 −$50K —
SS State Street SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 E Exited −1,490 −$50K —
HC Harbor Commodity All-weather Strategy ETF Exited −1,235 −$36K —
SG SPDR Gold Minishares Trust Of Beneficial Interest Exited −396 −$31K —
GX Global X Silver Miners ETF Exited −60 −$5K —
VG Vaneck Gold Miners ETF Exited −38 −$3K —
LR Lam Research Corp Com New Trimmed −1,621 −$532 11.2%
BC Broadcom Inc Com Trimmed −728 −$256 8.0%
AN Arista Networks Inc Com Shs Trimmed −1,000 −$204 5.1%

Showing the 10 largest of 62 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 15, 2026

Company Action Shares changed Value of change % of portfolio
LR Lam Research Corp Com New Trimmed −1,789 −$775K 15.4%
IM Iron Mtn Inc Del Com New +3,284 +$415K 0.7%
EL Edwards Lifesciences Corp Com Added +2,838 +$257K 0.8%
TS Tractor Supply Co Com Trimmed −7,800 −$247K 0.9%
AN Arista Networks Inc Com Shs Added +1,351 +$230K 4.3%
PA Palo Alto Networks Inc Com Trimmed −500 −$170K 1.9%
BC Broadcom Inc Com Trimmed −375 −$142K 8.7%
MC Mckesson Corp Com Added +150 +$113K 0.6%
AS Amdocs Ltd Shs Trimmed −2,102 −$106K 0.1%
ZC Zscaler Inc Com Trimmed −645 −$90.6K 0.1%

Showing the 10 largest of 53 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 22, 2026

Company Action Shares changed Value of change % of portfolio
TS Td Synnex Corporation Com New +1,738 +$293K 0.6%
LR Lam Research Corp Com New Trimmed −1,087 −$232K 10.0%
CG The Cigna Group Com Added +797 +$213K 2.0%
OC Owens Corning New Com Added +1,237 +$134K 0.4%
PT Price T Rowe Group Inc Com Added +1,300 +$117K 1.4%
SS SPDR S&P 500 ETF Trust Exited −142 −$97K —
CC Copart Inc Com Added +2,880 +$95.7K 0.9%
ZC Zoetis Inc Cl A Added +800 +$94.6K 0.6%
GS Goldman Sachs Group Inc Com Trimmed −75 −$63.5K 3.5%
EG Essent Group Ltd Com Added +900 +$52.6K 1.4%

Showing the 10 largest of 36 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 21, 2026

Company Action Shares changed Value of change % of portfolio
CC Copart Inc Com Trimmed −20,115 −$787K 0.8%
PC Pinterest Inc Cl A Trimmed −17,790 −$460K 0.5%
MC Mckesson Corp Com New +348 +$285K 0.5%
WG Ww Grainger Inc Com New +200 +$202K 0.4%
PC Parker-hannifin Corp Com New +230 +$202K 0.4%
CC Celestica Inc Com New +660 +$195K 0.4%
LM Lockheed Martin Corp Com New +358 +$173K 0.3%
DC Dropbox Inc Cl A New +6,200 +$172K 0.3%
PC Prologis Inc. Com New +1,312 +$167K 0.3%
CT Cognizant Technology Solutions Cl A New +2,000 +$166K 0.3%

Showing the 10 largest of 70 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 23, 2025

Company Action Shares changed Value of change % of portfolio
CC Cdw Corp Com Com Trimmed −10,464 −$1.67M 0.4%
CC Copart Inc Com Com New +30,595 +$1.38M 2.7%
AC Apple Computer Inc Com Trimmed −5,160 −$1.31M 2.9%
UR United Rentals Inc Com Com Trimmed −975 −$931K 6.8%
AC Abbvie Inc Com Com Trimmed −3,400 −$788K 1.4%
BC Broadcom Inc Com Com Trimmed −2,377 −$784K 9.7%
MC Microsoft Com Trimmed −1,300 −$673K 4.2%
TS Tractor Supply Co Com Com Trimmed −10,380 −$590K 2.8%
LR Lam Research Corp Com New Com Trimmed −4,326 −$579K 6.6%
TF Thermo Fisher Scientific Com Trimmed −1,140 −$553K 1.5%

Showing the 10 largest of 48 changes.

Q2 2025

quarter ended June 30, 2025 · filed October 23, 2025

Company Action Shares changed Value of change % of portfolio
AC Abbvie Inc Com Trimmed −13,000 −$2.41M 2.1%
ON Oneok Inc New Com Exited −21,533 −$2.14M —
DR Digital Rlty Tr Inc Com Com Exited −12,880 −$1.85M —
OA O'reilly Automotive Inc Com Added +17,808 +$1.61M 3.0%
PC Pinterest Inc Cl A New +27,492 +$986K 1.7%
MC Mplx LP Com Unit Rep L Com Exited −16,800 −$899K —
EN Entergy Corp New Com Com Exited −9,580 −$819K —
PS Public Storage Inc Com Com Exited −2,685 −$804K —
SC Southern Co Com Com Exited −8,100 −$745K —
DE Duke Energy Corporation Com Ne Com Exited −5,733 −$699K —

Showing the 10 largest of 66 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 29, 2025

Company Action Shares changed Value of change % of portfolio
BC Broadcom Inc Com Com Trimmed −1,780 −$298K 4.4%
AP Accenture PLC Ireland Shs Clas Com Exited −835 −$294K —
OC Owens Corning New Com Com New +1,910 +$273K 0.4%
AC Apple Computer Inc Com Trimmed −1,080 −$240K 3.5%
GL Genpact Limited Shs Com Exited −4,938 −$212K —
GW Grainger W W Inc Com Com Exited −200 −$211K —
EL Edwards Lifesciences Corp Com Com Exited −2,700 −$200K —
UR United Rentals Inc Com Com Trimmed −223 −$140K 4.2%
GS Goldman Sachs Group Inc Com Trimmed −216 −$118K 1.8%
TI Thor Inds Inc Com Com Trimmed −1,366 −$104K 1.2%

Showing the 10 largest of 33 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 27, 2025

Company Action Shares changed Value of change % of portfolio
LR Lam Resh Corp Com Com Exited −3,524 −$2.88M —
LR Lam Research Corp Com New Com New +31,940 +$2.31M 3.0%
DR Digital Rlty Tr Inc Com Com New +12,880 +$2.28M 3.0%
AC Abbvie Inc Com Com Added +12,276 +$2.18M 4.5%
ON Oneok Inc New Com New +21,533 +$2.16M 2.8%
AN Arista Networks Inc Com Shs Com New +14,704 +$1.63M 2.1%
TS Tractor Supply Co Com Com Added +28,340 +$1.5M 2.5%
AN Arista Networks Inc Com Com Exited −3,036 −$1.17M —
MC Mplx LP Com Unit Rep L Com New +16,800 +$804K 1.0%
PS Public Storage Inc Com Com New +2,685 +$804K 1.0%

Showing the 10 largest of 77 changes.

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