Kirr Marbach & Co. LLC

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed October 14, 2025), Kirr Marbach & Co. LLC reported 57 stock positions worth $553.9 million. Its top holding was Broadcom (AVGO) at 8.7% of the portfolio, followed by Emcor (EME, 7.1%) and Mastec (MTZ, 6.5%). Compared with Q2 2025, it opened 3 new positions, sold out of 1, added to 22 and reduced 20. The biggest buy was a new position in Carmax (KMX) and the biggest sale an exit from Innospec (IOSP).

Most Recent 13F
Q2 2026
Location
COLUMBUS, IN
CIK
0000764112
Portfolio Value
$553.9M (Q3 2025)
SEC Filing
0000764112-25-000007 ↗ filed Oct 14, 2025

Holdings Value

0$200.0M$400.0M$600.0M Q1 2024: $414.7M Q1 2024 Q2 2024: $415.6M Q2 2024 Q3 2024: $447.8M Q3 2024 Q4 2024: $462.2M Q4 2024 Q1 2025: $431.1M Q1 2025 Q2 2025: $505.7M Q2 2025 Q3 2025: $553.9M $553.9M Q3 2025 Q4 2025: $523.2M Q4 2025 Q1 2026: $548.7M Q1 2026 Q2 2026: $593.8M Q2 2026

Holdings 57 stocks · $553.9M

AVGO Broadcom Inc. 8.66% 145,433 $48.0M Reduce -4.1%
EME Emcor Group Inc. 7.15% 60,937 $39.6M Add +0.8%
MTZ Mastec Inc. 6.52% 169,782 $36.1M Reduce -1.1%
AZO AutoZone Inc. 6.04% 7,799 $33.5M Add +0.1%
VST Vistra Corp. 5.96% 168,613 $33.0M Reduce -0.1%
GOOGL Alphabet Inc. Class A 4.00% 91,126 $22.2M Reduce -0.5%
CIGI Colliers Intl GR-Subord Vot 4.00% 141,710 $22.1M Reduce -0.0%
RSG Republic Services Inc. 3.69% 88,954 $20.4M Add +0.0%
BSCP Invesco Bulletshares 2025 CB 3.64% 973,104 $20.1M Add +0.2%
BSCQ Invesco Bulletshares 2026 CB 3.58% 1,013,161 $19.8M Add +1.9%
SSNC Ss&c Technologies Holdings 3.01% 187,885 $16.7M Reduce -0.1%
MKL Markel Group Inc. 2.82% 8,168 $15.6M Add +0.3%
LRN Stride Inc. 2.76% 102,624 $15.3M Reduce 0.0%
BSCR Invesco Bulletshares 2027 CB 2.52% 709,548 $14.0M Add +3.6%
CP Canadian Pacific Kansas City 2.29% 170,151 $12.7M Reduce -0.1%
BN Brookfield Corp. 2.21% 178,817 $12.3M Add +0.3%
BCO The Brink's Co. 2.01% 95,099 $11.1M Reduce -0.3%
BSCS Invesco Bulletshares 2028 CB 1.97% 530,873 $10.9M Add +5.5%
DLTR Dollar Tree Inc. 1.80% 105,480 $10.0M Reduce -0.4%
MPC Marathon Petroleum Corp. 1.75% 50,168 $9.7M Reduce -0.3%
APG Api Group Corp. 1.71% 275,280 $9.5M Add +0.2%
GNRC Generac Holdings Inc. 1.64% 54,150 $9.1M Add +2.4%
VLTO Veralto Corp. 1.55% 80,233 $8.6M Add +0.2%
GXO Gxo Logistics Inc. 1.54% 161,315 $8.5M Add +0.2%
VC Visteon Corp. 1.52% 70,464 $8.4M Reduce -0.7%
LYV Live Nation Entertainment Inc. 1.45% 49,080 $8.0M Add +1.0%
BSCT Invesco Bulletshares 2029 CB 1.45% 425,984 $8.0M Add +11.3%
XOM Exxon Mobil Corp. 1.41% 69,274 $7.8M Reduce -0.4%
CXT Crane NXT Co. 1.18% 97,087 $6.5M Reduce -0.1%
MOG.A Moog Inc. Class A 1.12% 29,819 $6.2M Add +1.0%
KMX Carmax Inc. 1.12% 137,672 $6.2M New
CROX Crocs Inc. 0.85% 56,322 $4.7M Add +0.0%
AEBI Aebi Schmidt Holding AG 0.79% 349,759 $4.4M Add +0.1%
ICUI Icu Medical Inc. 0.78% 36,093 $4.3M Reduce -0.0%
PTON Peloton Interactive Inc. Class A 0.77% 471,946 $4.2M Add +0.3%
AMRZ Amrize Ltd. 0.76% 86,196 $4.2M Add +16.2%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.70% 33,988 $3.9M Add +0.0%
RXO Rxo Inc. 0.52% 189,044 $2.9M Reduce -0.5%
ALIT Alight Inc. Class A 0.45% 769,672 $2.5M Reduce -0.4%
ATEX Anterix Inc. 0.38% 96,849 $2.1M Add +0.1%
BAM Brookfield Asset Mgmt-A 0.37% 35,641 $2.0M Reduce -0.0%
ET Energy Transfer LP 0.32% 102,573 $1.8M Reduce -3.1%
LLY Eli Lilly & Co. 0.28% 2,068 $1.6M No change
TY Tri-Continental Corp. 0.12% 19,882 $676K No change
CMI Cummins Inc. 0.11% 1,485 $627K Reduce -1.7%
OFIX Orthofix Medical Inc. 0.10% 39,462 $578K No change
QQQ Invesco QQQ Trust Series 1 0.08% 750 $451K No change
IVV iShares Core S&P 500 ETF 0.08% 654 $438K New
AVNW Aviat Networks Inc. 0.08% 18,600 $426K No change
AAPL Apple Inc. 0.07% 1,572 $400K No change
HD Home Depot Inc. 0.06% 844 $342K No change
RSP Invesco S&P 500 Equal Weight 0.06% 1,750 $332K No change
ABBV Abbvie Inc. 0.05% 1,255 $291K No change
AMZN Amazon.com Inc. 0.04% 1,100 $242K No change
SKWD Skyward Specialty Insurance 0.04% 4,986 $237K No change
MSFT Microsoft Corp. 0.04% 435 $225K No change
CAT Caterpillar Inc. 0.04% 440 $210K New

Portfolio Sells Q2 2025 → Q3 2025

IOSP Innospec Inc. Sold out 0.00% −0.90
VST Vistra Corp. Reduce -0.1% 5.96% −0.50
ALIT Alight Inc. Class A Reduce -0.4% 0.45% −0.41
CP Canadian Pacific Kansas City Reduce -0.1% 2.29% −0.38
DLTR Dollar Tree Inc. Reduce -0.4% 1.80% −0.28
LRN Stride Inc. Reduce 0.0% 2.76% −0.19
ICUI Icu Medical Inc. Reduce -0.0% 0.78% −0.16
XOM Exxon Mobil Corp. Reduce -0.4% 1.41% −0.07
SSNC Ss&c Technologies Holdings Reduce -0.1% 3.01% −0.07
RXO Rxo Inc. Reduce -0.5% 0.52% −0.07
ET Energy Transfer LP Reduce -3.1% 0.32% −0.06
BAM Brookfield Asset Mgmt-A Reduce -0.0% 0.37% −0.02
CMI Cummins Inc. Reduce -1.7% 0.11% +0.02
MPC Marathon Petroleum Corp. Reduce -0.3% 1.75% +0.09
CXT Crane NXT Co. Reduce -0.1% 1.18% +0.14
VC Visteon Corp. Reduce -0.7% 1.52% +0.22
BCO The Brink's Co. Reduce -0.3% 2.01% +0.32
CIGI Colliers Intl GR-Subord Vot Reduce -0.0% 4.00% +0.33
AVGO Broadcom Inc. Reduce -4.1% 8.66% +0.40
MTZ Mastec Inc. Reduce -1.1% 6.52% +0.74
GOOGL Alphabet Inc. Class A Reduce -0.5% 4.00% +0.81

Portfolio Buys Q2 2025 → Q3 2025

KMX Carmax Inc. New 1.12% +1.12
EME Emcor Group Inc. Add +0.8% 7.15% +0.75
AZO AutoZone Inc. Add +0.1% 6.04% +0.32
GNRC Generac Holdings Inc. Add +2.4% 1.64% +0.14
PTON Peloton Interactive Inc. Class A Add +0.3% 0.77% +0.12
IVV iShares Core S&P 500 ETF New 0.08% +0.08
MOG.A Moog Inc. Class A Add +1.0% 1.12% +0.06
CAT Caterpillar Inc. New 0.04% +0.04
BN Brookfield Corp. Add +0.3% 2.21% +0.03
BSCT Invesco Bulletshares 2029 CB Add +11.3% 1.45% +0.03
AMRZ Amrize Ltd. Add +16.2% 0.76% +0.03
LYV Live Nation Entertainment Inc. Add +1.0% 1.45% −0.01
GXO Gxo Logistics Inc. Add +0.2% 1.54% −0.01
AEBI Aebi Schmidt Holding AG Add +0.1% 0.79% −0.05
VLTO Veralto Corp. Add +0.2% 1.55% −0.05
BSCS Invesco Bulletshares 2028 CB Add +5.5% 1.97% −0.07
ATEX Anterix Inc. Add +0.1% 0.38% −0.12
DIS The Walt Disney Co. Add +0.0% 0.70% −0.13
BSCR Invesco Bulletshares 2027 CB Add +3.6% 2.52% −0.14
APG Api Group Corp. Add +0.2% 1.71% −0.14
BSCQ Invesco Bulletshares 2026 CB Add +1.9% 3.58% −0.26
CROX Crocs Inc. Add +0.0% 0.85% −0.28
BSCP Invesco Bulletshares 2025 CB Add +0.2% 3.64% −0.34
MKL Markel Group Inc. Add +0.3% 2.82% −0.40
RSG Republic Services Inc. Add +0.0% 3.69% −0.65

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 57$593.8MMTZ, EME, AVGO, GOOGL, VST
Q1 2026 57$548.7MMTZ, EME, AVGO, GOOGL, AZO
Q4 2025 58$523.2MEME, MTZ, AVGO, GOOGL, VST
Q3 2025 57$553.9MAVGO, EME, MTZ, AZO, VST
Q2 2025 55$505.7MAVGO, VST, EME, MTZ, AZO
Q1 2025 54$431.1MAVGO, AZO, EME, RSG, BSCP
Q4 2024 57$462.2MAVGO, EME, VST, AZO, MTZ
Q3 2024 54$447.8MVST, AVGO, EME, AZO, CIGI
Q2 2024 56$415.6MAVGO, EME, VST, AZO, MTZ
Q1 2024 54$414.7MEME, AZO, AVGO, VST, CIGI