Kirr Marbach & Co LLC

13F filer · CIK 0000764112

Reported Jul 14, 2026

Net seller this quarter

13F portfolio value$594MU.S. long equity reported on 13F

Positions492 new · 2 closed

Net flow last quarter-$15.1MBuys minus sells

Top 10 positions weight48.5%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Jul 14, 202649 positions
MTZMastec Inc	$55.6M	9.37%	0.17%	-16.5%	Q2 2013
EMEEMCOR Group, Inc.	$48.1M	8.10%	0.13%	-0.7%	Q2 2013
AVGOBroadcom Inc.	$34.9M	5.88%	0.00%	-0.2%	Q4 2018
GOOGLAlphabet Inc.	$32M	5.39%	0.00%	0.0%	Q1 2020
VSTVistra Corp.	$25.8M	4.35%	0.05%	-0.2%	Q1 2017
AZOAutozone Inc	$23.4M	3.94%	0.04%	-0.8%	Q2 2013
RSGRepublic Services, Inc.	$18.4M	3.10%	0.03%	-2.4%	Q2 2020
GNRCGenerac Holdings Inc.	$17.6M	2.97%	0.10%	+3.8%	Q2 2025
MOG.AMoog Inc.	$16.4M	2.76%	Not reported	+5.0%	Q2 2024
MKLMarkel Group Inc.	$15.9M	2.67%	0.07%	+0.2%	Q2 2013
CPCanadian Pacific Kansas City Ltd	$14.9M	2.50%	0.02%	0.0%	Q2 2013
RPRXRoyalty Pharma plc	$13.4M	2.26%	0.06%	+0.7%	Q1 2026
CIGIColliers International Group Inc.	$13.1M	2.20%	0.35%	+0.2%	Q2 2015
MPCMarathon Petroleum Corp	$12.8M	2.15%	0.02%	-0.1%	Q4 2016
DLTRDollar Tree, Inc.	$12.6M	2.13%	0.05%	+0.2%	Q2 2013
ATEXAnterix Inc.	$11.9M	2.01%	0.59%	+2.0%	Q3 2021
BNBROOKFIELD Corp	$11.6M	1.96%	Not reported	-0.1%	Q4 2022
SSNCSS&C Technologies Holdings Inc	$11.6M	1.96%	0.08%	-0.1%	Q1 2019
APGAPi Group Corp	$11.6M	1.95%	0.06%	0.0%	Q1 2021
BCOBrinks Co	$9.1M	1.53%	0.23%	-0.1%	Q1 2019
LYVLive Nation Entertainment, Inc.	$9.01M	1.52%	0.02%	-0.1%	Q1 2025
GXOGXO Logistics, Inc.	$8.97M	1.51%	0.15%	+2.2%	Q3 2021
LRNStride, Inc.	$8.87M	1.49%	0.25%	+0.4%	Q2 2021
CROXCrocs, Inc.	$6.93M	1.17%	0.12%	0.0%	Q2 2024
VCVisteon Corp	$6.91M	1.16%	0.26%	-0.6%	Q1 2015
SAROStandardAero, Inc.	$6.88M	1.16%	0.07%	+17.7%	Q1 2026
ICUIIcu Medical Inc	$6.65M	1.12%	0.18%	+2.7%	Q2 2015
CXTCrane NXT, Co.	$5.92M	1.00%	0.20%	+3.3%	Q2 2024
BOOTBoot Barn Holdings, Inc.	$5.68M	0.96%	0.11%	Not reported	Q3 2020
AMRZAmrize Ltd	$4.85M	0.82%	0.02%	+0.4%	Q2 2025
AEBIAebi Schmidt Holding AG	$4.4M	0.74%	0.45%	-0.4%	Q3 2025
BJBJ's Wholesale Club Holdings, Inc.	$4.25M	0.71%	0.04%	-4.7%	Q4 2025
XOMExxonMobil Holdings Corp	$4.16M	0.70%	0.00%	-57.1%	Q2 2024
CHRWC. H. Robinson Worldwide, Inc.	$4M	0.67%	0.02%	+0.1%	Q1 2026
BAMBrookfield Asset Management Ltd.	$2.88M	0.49%	Not reported	+9.2%	Q2 2022
PTONPeloton Interactive, Inc.	$2.86M	0.48%	Not reported	+0.2%	Q2 2025
LLYELI LILLY & Co	$2.53M	0.43%	0.00%	Not reported	Q2 2013
ETEnergy Transfer LP	$1.82M	0.31%	0.00%	-1.5%	Q3 2023
CMICummins Inc	$1.29M	0.22%	0.00%	+31.0%	Q3 2017
TYTRI-CONTINENTAL Corp	$684K	0.12%	Not reported	Not reported	Q2 2022
QQQInvesco QQQ Trust, Series 1	$553K	0.09%	Not reported	Not reported	Q2 2023
SKWDSkyward Specialty Insurance Group, Inc.	$513K	0.09%	0.02%	Not reported	Q4 2024
CATCaterpillar Inc	$469K	0.08%	0.00%	Not reported	Q3 2025
AAPLApple Inc.	$451K	0.08%	0.00%	-0.8%	Q3 2023
OFIXOrthofix Medical Inc.	$361K	0.06%	0.10%	Not reported	Q4 2024
ABBVAbbVie Inc.	$316K	0.05%	0.00%	Not reported	Q1 2024
HDHome Depot, Inc.	$298K	0.05%	0.00%	Not reported	Q4 2017
AMZNAmazon Com Inc	$276K	0.05%	0.00%	Not reported	Q2 2024
GLWCorning Inc	$255K	0.04%	0.00%	New	Q2 2026
Q1 2026Reported Apr 17, 202649 positions
MTZMastec Inc	$51.5M	9.39%	0.20%	-4.4%	Q2 2013
EMEEMCOR Group, Inc.	$43.1M	7.85%	0.13%	-3.3%	Q2 2013
AVGOBroadcom Inc.	$28.7M	5.23%	0.00%	-2.3%	Q4 2018
GOOGLAlphabet Inc.	$25.7M	4.69%	0.00%	-0.7%	Q1 2020
AZOAutozone Inc	$25M	4.55%	0.04%	-5.0%	Q2 2013
VSTVistra Corp.	$24.5M	4.47%	0.05%	-2.3%	Q1 2017
RSGRepublic Services, Inc.	$19.4M	3.53%	0.03%	+0.3%	Q2 2020
MKLMarkel Group Inc.	$15.5M	2.83%	0.06%	+0.1%	Q2 2013
CIGIColliers International Group Inc.	$14.8M	2.70%	0.35%	+1.8%	Q2 2015
CPCanadian Pacific Kansas City Ltd	$13.5M	2.46%	0.02%	+4.1%	Q2 2013
SSNCSS&C Technologies Holdings Inc	$12.7M	2.31%	0.08%	+0.1%	Q1 2019
MPCMarathon Petroleum Corp	$12.2M	2.22%	0.02%	+0.2%	Q4 2016
XOMExxonMobil Holdings Corp	$12M	2.20%	0.00%	+2.3%	Q2 2024
RPRXRoyalty Pharma plc	$11.4M	2.08%	0.06%	New	Q1 2026
DLTRDollar Tree, Inc.	$11.4M	2.08%	0.05%	-0.7%	Q2 2013
GNRCGenerac Holdings Inc.	$11.3M	2.06%	0.10%	+6.8%	Q2 2025
BNBROOKFIELD Corp	$11.1M	2.02%	Not reported	+2.5%	Q4 2022
APGAPi Group Corp	$11.1M	2.01%	0.06%	-0.2%	Q1 2021
MOG.AMoog Inc.	$10.8M	1.97%	Not reported	+7.0%	Q2 2024
BCOBrinks Co	$9.98M	1.82%	0.23%	+1.6%	Q1 2019
LRNStride, Inc.	$9.04M	1.65%	0.24%	+0.5%	Q2 2021
GXOGXO Logistics, Inc.	$8.97M	1.63%	0.15%	+5.4%	Q3 2021
LYVLive Nation Entertainment, Inc.	$7.51M	1.37%	0.02%	+0.5%	Q1 2025
VCVisteon Corp	$6.39M	1.16%	0.26%	0.0%	Q1 2015
ICUIIcu Medical Inc	$5.7M	1.04%	0.18%	+18.4%	Q2 2015
KMXCarmax Inc	$5.22M	0.95%	0.09%	+12.4%	Q3 2025
AMRZAmrize Ltd	$5.08M	0.93%	0.02%	+1.0%	Q2 2025
SAROStandardAero, Inc.	$5.05M	0.92%	0.06%	New	Q1 2026
BJBJ's Wholesale Club Holdings, Inc.	$5.02M	0.92%	0.04%	+1.5%	Q4 2025
CROXCrocs, Inc.	$4.77M	0.87%	0.11%	+17.4%	Q2 2024
CXTCrane NXT, Co.	$4.55M	0.83%	0.19%	+15.7%	Q2 2024
ATEXAnterix Inc.	$4.35M	0.79%	0.60%	+13.3%	Q3 2021
CHRWC. H. Robinson Worldwide, Inc.	$3.52M	0.64%	0.02%	New	Q1 2026
AEBIAebi Schmidt Holding AG	$3.42M	0.62%	0.46%	+2.1%	Q3 2025
BAMBrookfield Asset Management Ltd.	$2.62M	0.48%	Not reported	+14.3%	Q2 2022
PTONPeloton Interactive, Inc.	$2.07M	0.38%	Not reported	+9.1%	Q2 2025
LLYELI LILLY & Co	$1.94M	0.35%	0.00%	-0.2%	Q2 2013
ETEnergy Transfer LP	$1.87M	0.34%	0.00%	-2.3%	Q3 2023
CMICummins Inc	$742K	0.14%	0.00%	-7.1%	Q3 2017
TYTRI-CONTINENTAL Corp	$628K	0.11%	Not reported	Not reported	Q2 2022
OFIXOrthofix Medical Inc.	$453K	0.08%	0.10%	Not reported	Q4 2024
QQQInvesco QQQ Trust, Series 1	$433K	0.08%	Not reported	Not reported	Q2 2023
AVNWAviat Networks, Inc.	$421K	0.08%	0.14%	Not reported	Q3 2023
AAPLApple Inc.	$399K	0.07%	0.00%	Not reported	Q3 2023
SKWDSkyward Specialty Insurance Group, Inc.	$384K	0.07%	0.02%	Not reported	Q4 2024
CATCaterpillar Inc	$312K	0.06%	0.00%	Not reported	Q3 2025
HDHome Depot, Inc.	$278K	0.05%	0.00%	Not reported	Q4 2017
ABBVAbbVie Inc.	$273K	0.05%	0.00%	Not reported	Q1 2024
AMZNAmazon Com Inc	$241K	0.04%	0.00%	+5.4%	Q2 2024
Q4 2025Reported Jan 26, 202650 positions
EMEEMCOR Group, Inc.	$36.9M	7.05%	0.14%	-1.0%	Q2 2013
MTZMastec Inc	$36.4M	6.96%	0.21%	-1.3%	Q2 2013
AVGOBroadcom Inc.	$32.8M	6.27%	0.00%	-34.8%	Q4 2018
GOOGLAlphabet Inc.	$28.2M	5.39%	0.00%	-1.1%	Q1 2020
VSTVistra Corp.	$27M	5.15%	0.05%	-0.9%	Q1 2017
AZOAutozone Inc	$26.4M	5.04%	0.05%	-0.3%	Q2 2013
CIGIColliers International Group Inc.	$20.1M	3.83%	0.34%	-3.8%	Q2 2015
RSGRepublic Services, Inc.	$18.7M	3.57%	0.03%	-0.9%	Q2 2020
MKLMarkel Group Inc.	$17.4M	3.33%	0.06%	-0.7%	Q2 2013
SSNCSS&C Technologies Holdings Inc	$16.4M	3.13%	0.08%	-0.3%	Q1 2019
DLTRDollar Tree, Inc.	$12.9M	2.47%	0.05%	-0.6%	Q2 2013
BNBROOKFIELD Corp	$12.3M	2.34%	Not reported	-0.4%	Q4 2022
CPCanadian Pacific Kansas City Ltd	$12.1M	2.32%	0.02%	-3.4%	Q2 2013
BCOBrinks Co	$11.1M	2.12%	0.23%	-0.2%	Q1 2019
APGAPi Group Corp	$10.5M	2.00%	0.07%	-0.7%	Q1 2021
GXOGXO Logistics, Inc.	$8.64M	1.65%	0.14%	+1.8%	Q3 2021
VLTOVeralto Corp	$8.4M	1.60%	0.03%	+4.7%	Q4 2023
MOG.AMoog Inc.	$8.39M	1.60%	Not reported	+15.5%	Q2 2024
XOMExxonMobil Holdings Corp	$8.35M	1.60%	0.00%	+0.2%	Q2 2024
MPCMarathon Petroleum Corp	$8.11M	1.55%	0.02%	-0.6%	Q4 2016
GNRCGenerac Holdings Inc.	$7.4M	1.41%	0.09%	+0.2%	Q2 2025
LYVLive Nation Entertainment, Inc.	$6.98M	1.33%	0.02%	-0.2%	Q1 2025
VCVisteon Corp	$6.67M	1.27%	0.26%	-0.5%	Q1 2015
LRNStride, Inc.	$6.62M	1.27%	0.24%	-0.7%	Q2 2021
ICUIIcu Medical Inc	$5.32M	1.02%	0.15%	+3.3%	Q2 2015
AMRZAmrize Ltd	$4.86M	0.93%	0.02%	+4.2%	Q2 2025
CXTCrane NXT, Co.	$4.56M	0.87%	0.17%	-0.2%	Q2 2024
BJBJ's Wholesale Club Holdings, Inc.	$4.53M	0.87%	0.04%	New	Q4 2025
AEBIAebi Schmidt Holding AG	$4.36M	0.83%	0.45%	-1.4%	Q3 2025
KMXCarmax Inc	$4.31M	0.82%	0.08%	-18.9%	Q3 2025
CROXCrocs, Inc.	$4.18M	0.80%	0.10%	-13.1%	Q2 2024
DISWalt Disney Co	$3.88M	0.74%	0.00%	-0.1%	Q1 2023
PTONPeloton Interactive, Inc.	$2.73M	0.52%	Not reported	-6.1%	Q2 2025
BAMBrookfield Asset Management Ltd.	$2.7M	0.52%	Not reported	+44.5%	Q2 2022
LLYELI LILLY & Co	$2.28M	0.43%	0.00%	+2.4%	Q2 2013
ATEXAnterix Inc.	$2.19M	0.42%	0.54%	+3.7%	Q3 2021
RXORXO, Inc.	$2.17M	0.42%	0.10%	-9.1%	Q4 2022
ETEnergy Transfer LP	$1.63M	0.31%	0.00%	-3.4%	Q3 2023
CMICummins Inc	$758K	0.14%	0.00%	Not reported	Q3 2017
TYTRI-CONTINENTAL Corp	$649K	0.12%	Not reported	Not reported	Q2 2022
OFIXOrthofix Medical Inc.	$598K	0.11%	0.10%	Not reported	Q4 2024
QQQInvesco QQQ Trust, Series 1	$461K	0.09%	Not reported	Not reported	Q2 2023
SKWDSkyward Specialty Insurance Group, Inc.	$449K	0.09%	0.02%	+76.2%	Q4 2024
AAPLApple Inc.	$427K	0.08%	0.00%	Not reported	Q3 2023
AVNWAviat Networks, Inc.	$398K	0.08%	0.14%	Not reported	Q3 2023
HDHome Depot, Inc.	$290K	0.06%	0.00%	Not reported	Q4 2017
ABBVAbbVie Inc.	$287K	0.05%	0.00%	Not reported	Q1 2024
AMZNAmazon Com Inc	$254K	0.05%	0.00%	Not reported	Q2 2024
CATCaterpillar Inc	$252K	0.05%	0.00%	Not reported	Q3 2025
MSFTMicrosoft Corp	$210K	0.04%	0.00%	Not reported	Q2 2013
Q3 2025Reported Oct 14, 202550 positions
AVGOBroadcom Inc.	$48M	8.66%	0.00%	-4.1%	Q4 2018
EMEEMCOR Group, Inc.	$39.6M	7.15%	0.14%	+0.8%	Q2 2013
MTZMastec Inc	$36.1M	6.52%	0.22%	-1.1%	Q2 2013
AZOAutozone Inc	$33.5M	6.04%	0.05%	+0.1%	Q2 2013
VSTVistra Corp.	$33M	5.96%	0.05%	-0.1%	Q1 2017
GOOGLAlphabet Inc.	$22.2M	4.00%	0.00%	-0.5%	Q1 2020
CIGIColliers International Group Inc.	$22.1M	4.00%	0.35%	0.0%	Q2 2015
RSGRepublic Services, Inc.	$20.4M	3.69%	0.03%	0.0%	Q2 2020
SSNCSS&C Technologies Holdings Inc	$16.7M	3.01%	0.08%	-0.1%	Q1 2019
MKLMarkel Group Inc.	$15.6M	2.82%	0.06%	+0.3%	Q2 2013
LRNStride, Inc.	$15.3M	2.76%	0.23%	0.0%	Q2 2021
CPCanadian Pacific Kansas City Ltd	$12.7M	2.29%	0.02%	-0.1%	Q2 2013
BNBROOKFIELD Corp	$12.3M	2.21%	Not reported	+0.3%	Q4 2022
BCOBrinks Co	$11.1M	2.01%	0.23%	-0.3%	Q1 2019
DLTRDollar Tree, Inc.	$9.95M	1.80%	0.05%	-0.4%	Q2 2013
MPCMarathon Petroleum Corp	$9.67M	1.75%	0.02%	-0.4%	Q4 2016
APGAPi Group Corp	$9.46M	1.71%	0.07%	+0.2%	Q1 2021
GNRCGenerac Holdings Inc.	$9.06M	1.64%	0.09%	+2.4%	Q2 2025
VLTOVeralto Corp	$8.56M	1.55%	0.03%	+0.2%	Q4 2023
GXOGXO Logistics, Inc.	$8.53M	1.54%	0.14%	+0.2%	Q3 2021
VCVisteon Corp	$8.45M	1.52%	0.26%	-0.7%	Q1 2015
LYVLive Nation Entertainment, Inc.	$8.02M	1.45%	0.02%	+1.0%	Q1 2025
XOMExxonMobil Holdings Corp	$7.81M	1.41%	0.00%	-0.4%	Q2 2024
CXTCrane NXT, Co.	$6.51M	1.18%	0.17%	-0.1%	Q2 2024
MOG.AMoog Inc.	$6.19M	1.12%	Not reported	+1.0%	Q2 2024
KMXCarmax Inc	$6.18M	1.12%	0.09%	New	Q3 2025
CROXCrocs, Inc.	$4.71M	0.85%	0.11%	0.0%	Q2 2024
AEBIAebi Schmidt Holding AG	$4.36M	0.79%	0.45%	New	Q3 2025
ICUIIcu Medical Inc	$4.33M	0.78%	0.15%	0.0%	Q2 2015
PTONPeloton Interactive, Inc.	$4.25M	0.77%	Not reported	+0.3%	Q2 2025
AMRZAmrize Ltd	$4.18M	0.76%	0.02%	+16.2%	Q2 2025
DISWalt Disney Co	$3.89M	0.70%	0.00%	0.0%	Q1 2023
RXORXO, Inc.	$2.91M	0.52%	0.12%	-0.5%	Q4 2022
ALITAlight, Inc. / Delaware	$2.51M	0.45%	0.17%	-0.4%	Q1 2023
ATEXAnterix Inc.	$2.08M	0.38%	0.52%	+0.1%	Q3 2021
BAMBrookfield Asset Management Ltd.	$2.03M	0.37%	Not reported	0.0%	Q2 2022
ETEnergy Transfer LP	$1.76M	0.32%	0.00%	-3.1%	Q3 2023
LLYELI LILLY & Co	$1.58M	0.28%	0.00%	Not reported	Q2 2013
TYTRI-CONTINENTAL Corp	$676K	0.12%	Not reported	Not reported	Q2 2022
CMICummins Inc	$627K	0.11%	0.00%	-1.7%	Q3 2017
OFIXOrthofix Medical Inc.	$578K	0.10%	0.10%	Not reported	Q4 2024
QQQInvesco QQQ Trust, Series 1	$451K	0.08%	Not reported	Not reported	Q2 2023
AVNWAviat Networks, Inc.	$426K	0.08%	0.15%	Not reported	Q3 2023
AAPLApple Inc.	$400K	0.07%	0.00%	Not reported	Q3 2023
HDHome Depot, Inc.	$342K	0.06%	0.00%	Not reported	Q4 2017
ABBVAbbVie Inc.	$291K	0.05%	0.00%	Not reported	Q1 2024
AMZNAmazon Com Inc	$242K	0.04%	0.00%	Not reported	Q2 2024
SKWDSkyward Specialty Insurance Group, Inc.	$237K	0.04%	0.01%	Not reported	Q4 2024
MSFTMicrosoft Corp	$225K	0.04%	0.00%	Not reported	Q2 2013
CATCaterpillar Inc	$210K	0.04%	0.00%	New	Q3 2025

Premium opens every quarter this fund has filed