Kirr Marbach & Co. LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed April 17, 2026), Kirr Marbach & Co. LLC reported 57 stock positions worth $548.7 million. Its top holding was Mastec (MTZ) at 9.4% of the portfolio, followed by Emcor (EME, 7.9%) and Broadcom (AVGO, 5.2%). Compared with Q4 2025, it opened 3 new positions, sold out of 4, added to 32 and reduced 12. The biggest buy was a new position in Royalty Pharma Class A (RPRX) and the biggest sale an exit from Veralto (VLTO).

Most Recent 13F
Q2 2026
Location
COLUMBUS, IN
CIK
0000764112
Portfolio Value
$548.7M (Q1 2026)
SEC Filing
0000764112-26-000002 ↗ filed Apr 17, 2026

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 Q3 2025 Q4 2025: $523.2M Q4 2025 Q1 2026: $548.7M $548.7M Q1 2026 Q2 2026: $593.8M Q2 2026

Holdings 57 stocks · $548.7M

MTZ Mastec Inc. 9.39% 160,197 $51.5M Reduce -4.4%
EME Emcor Group Inc. 7.85% 58,351 $43.1M Reduce -3.3%
AVGO Broadcom Inc. 5.23% 92,636 $28.7M Reduce -2.3%
GOOGL Alphabet Inc. Class A 4.69% 89,512 $25.7M Reduce -0.7%
AZO AutoZone Inc. 4.55% 7,387 $25.0M Reduce -5.0%
VST Vistra Corp. 4.47% 163,293 $24.5M Reduce -2.3%
BSCQ Invesco Bulletshares 2026 CB 3.64% 1,022,143 $20.0M Reduce -0.1%
RSG Republic Services Inc. 3.53% 88,458 $19.4M Add +0.3%
MKL Markel Group Inc. 2.83% 8,118 $15.5M Add +0.1%
BSCR Invesco Bulletshares 2027 CB 2.76% 772,551 $15.2M Add +2.3%
CIGI Colliers Intl GR-Subord Vot 2.70% 138,731 $14.8M Add +1.8%
CP Canadian Pacific Kansas City 2.46% 171,095 $13.5M Add +4.1%
BSCS Invesco Bulletshares 2028 CB 2.40% 644,876 $13.2M Add +2.5%
BSCT Invesco Bulletshares 2029 CB 2.31% 679,457 $12.7M Add +4.1%
SSNC Ss&c Technologies Holdings 2.31% 187,573 $12.7M Add +0.1%
MPC Marathon Petroleum Corp. 2.22% 49,984 $12.2M Add +0.2%
XOM Exxon Mobil Corp. 2.20% 71,020 $12.0M Add +2.3%
BSCU Invesco Bulletshares 2030 CB 2.10% 689,400 $11.5M Add +5.5%
RPRX Royalty Pharma PLC Class A 2.08% 237,895 $11.4M New
DLTR Dollar Tree Inc. 2.08% 104,125 $11.4M Reduce -0.7%
GNRC Generac Holdings Inc. 2.06% 57,926 $11.3M Add +6.8%
BN Brookfield Corp. 2.02% 273,753 $11.1M Add +2.5%
APG Api Group Corp. 2.01% 272,711 $11.1M Reduce -0.2%
MOG.A Moog Inc. Class A 1.97% 36,861 $10.8M Add +7.0%
BCO The Brink's Co. 1.82% 96,352 $10.0M Add +1.6%
LRN Stride Inc. 1.65% 102,484 $9.0M Add +0.5%
GXO Gxo Logistics Inc. 1.63% 173,008 $9.0M Add +5.3%
BSCV Invesco Bulletshares 2031 CB 1.47% 491,310 $8.1M Add +5.2%
LYV Live Nation Entertainment Inc. 1.37% 49,231 $7.5M Add +0.5%
VC Visteon Corp. 1.16% 70,104 $6.4M Add +0.0%
ICUI Icu Medical Inc. 1.04% 44,153 $5.7M Add +18.4%
KMX Carmax Inc. 0.95% 125,479 $5.2M Add +12.4%
AMRZ Amrize Ltd. 0.93% 90,631 $5.1M Add +0.9%
SARO Standardaero Inc. 0.92% 195,513 $5.1M New
BJ Bj's Wholesale Club Holdings filed as BJS WHSL CLUB HLDGS INC 0.92% 51,055 $5.0M Add +1.5%
CROX Crocs Inc. 0.87% 57,422 $4.8M Add +17.4%
CXT Crane NXT Co. 0.83% 112,153 $4.6M Add +15.7%
ATEX Anterix Inc. 0.79% 113,814 $4.3M Add +13.3%
CHRW C.H. Robinson Worldwide Inc. 0.64% 21,194 $3.5M New
AEBI Aebi Schmidt Holding AG 0.62% 352,171 $3.4M Add +2.1%
BAM Brookfield Asset Mgmt-A 0.48% 58,858 $2.6M Add +14.3%
PTON Peloton Interactive Inc. Class A 0.38% 483,506 $2.1M Add +9.1%
LLY Eli Lilly & Co. 0.35% 2,113 $1.9M Reduce -0.2%
ET Energy Transfer LP 0.34% 96,792 $1.9M Reduce -2.3%
CMI Cummins Inc. 0.14% 1,379 $742K Reduce -7.1%
TY Tri-Continental Corp. 0.11% 19,882 $628K No change
OFIX Orthofix Medical Inc. 0.08% 39,462 $453K No change
QQQ Invesco QQQ Trust Series 1 0.08% 750 $433K No change
IVV iShares Core S&P 500 ETF 0.08% 654 $427K No change
AVNW Aviat Networks Inc. 0.08% 18,600 $421K No change
AAPL Apple Inc. 0.07% 1,572 $399K No change
SKWD Skyward Specialty Insurance 0.07% 8,786 $384K No change
RSP Invesco S&P 500 Equal Weight 0.06% 1,799 $345K Add +2.8%
CAT Caterpillar Inc. 0.06% 440 $312K No change
HD Home Depot Inc. 0.05% 844 $278K No change
ABBV Abbvie Inc. 0.05% 1,255 $273K No change
AMZN Amazon.com Inc. 0.04% 1,159 $241K Add +5.4%

Portfolio Sells Q4 2025 → Q1 2026

VLTO Veralto Corp. Sold out 0.00% −1.60
AVGO Broadcom Inc. Reduce -2.3% 5.23% −1.04
DIS The Walt Disney Co. Sold out 0.00% −0.74
GOOGL Alphabet Inc. Class A Reduce -0.7% 4.69% −0.70
VST Vistra Corp. Reduce -2.3% 4.47% −0.68
AZO AutoZone Inc. Reduce -5.0% 4.55% −0.49
RXO Rxo Inc. Sold out 0.00% −0.42
DLTR Dollar Tree Inc. Reduce -0.7% 2.08% −0.39
BSCQ Invesco Bulletshares 2026 CB Reduce -0.1% 3.64% −0.19
LLY Eli Lilly & Co. Reduce -0.2% 0.35% −0.08
MSFT Microsoft Corp. Sold out 0.00% −0.04
CMI Cummins Inc. Reduce -7.1% 0.14% −0.01
APG Api Group Corp. Reduce -0.2% 2.01% +0.01
ET Energy Transfer LP Reduce -2.3% 0.34% +0.03
EME Emcor Group Inc. Reduce -3.3% 7.85% +0.80
MTZ Mastec Inc. Reduce -4.4% 9.39% +2.43

Portfolio Buys Q4 2025 → Q1 2026

RPRX Royalty Pharma PLC Class A New 2.08% +2.08
SARO Standardaero Inc. New 0.92% +0.92
MPC Marathon Petroleum Corp. Add +0.2% 2.22% +0.67
GNRC Generac Holdings Inc. Add +6.8% 2.06% +0.65
CHRW C.H. Robinson Worldwide Inc. New 0.64% +0.64
XOM Exxon Mobil Corp. Add +2.3% 2.20% +0.60
LRN Stride Inc. Add +0.5% 1.65% +0.38
ATEX Anterix Inc. Add +13.3% 0.79% +0.37
MOG.A Moog Inc. Class A Add +7.0% 1.97% +0.36
CP Canadian Pacific Kansas City Add +4.1% 2.46% +0.14
KMX Carmax Inc. Add +12.4% 0.95% +0.13
CROX Crocs Inc. Add +17.4% 0.87% +0.07
BJ Bj's Wholesale Club Holdings Add +1.5% 0.92% +0.05
LYV Live Nation Entertainment Inc. Add +0.5% 1.37% +0.03
ICUI Icu Medical Inc. Add +18.4% 1.04% +0.02
RSP Invesco S&P 500 Equal Weight Add +2.8% 0.06% −0.00
AMRZ Amrize Ltd. Add +0.9% 0.93% −0.00
AMZN Amazon.com Inc. Add +5.4% 0.04% −0.00
BSCU Invesco Bulletshares 2030 CB Add +5.5% 2.10% −0.01
BSCV Invesco Bulletshares 2031 CB Add +5.2% 1.47% −0.02
GXO Gxo Logistics Inc. Add +5.3% 1.63% −0.02
BAM Brookfield Asset Mgmt-A Add +14.3% 0.48% −0.04
BSCT Invesco Bulletshares 2029 CB Add +4.1% 2.31% −0.04
RSG Republic Services Inc. Add +0.3% 3.53% −0.04
CXT Crane NXT Co. Add +15.7% 0.83% −0.04
BSCS Invesco Bulletshares 2028 CB Add +2.5% 2.40% −0.08
BSCR Invesco Bulletshares 2027 CB Add +2.3% 2.76% −0.09
VC Visteon Corp. Add +0.0% 1.16% −0.11
PTON Peloton Interactive Inc. Class A Add +9.1% 0.38% −0.14
AEBI Aebi Schmidt Holding AG Add +2.1% 0.62% −0.21
BCO The Brink's Co. Add +1.6% 1.82% −0.30
BN Brookfield Corp. Add +2.5% 2.02% −0.32
MKL Markel Group Inc. Add +0.1% 2.83% −0.50
SSNC Ss&c Technologies Holdings Add +0.1% 2.31% −0.82
CIGI Colliers Intl GR-Subord Vot Add +1.8% 2.70% −1.13

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