Kirr Marbach & Co. LLC
Kirr Marbach & Co. LLC reported 57 US-listed holdings worth $529.5 million in its 13F for the quarter ended 30 September 2026, filed 20 October 2026. Its largest: Emcor Group, Inc. (7.9%), Broadcom Inc. (6.1%) and Alphabet Inc. (5.8%). Against the quarter before, it opened 5 positions, added to 16, trimmed 26 and sold out of 5.
The 14 largest of its 57 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q2 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +20.8% over the 8 quarters to 30 September 2026, against +32.9% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 30 June 2026; a change under 0.1% of a position counts as held
Opened 5
- Midera Food Processing Inc. MFP$10.7 million
- ExxonMobil Holdings Corp. XOM$4.9 million
- iShares Trust IWR$533,550
- Tesla, Inc. TSLA$257,370
- Microsoft Corp. MSFT$210,289
Added to 16
- Invesco Exch TRD SLF Idx FD BSCV+234,840 shares · +48%
- Invesco Exch TRD SLF Idx FD BSCU+91,191 shares · +13%
- Invesco Exch TRD SLF Idx FD BSCT+52,969 shares · +8%
- Invesco Exch TRD SLF Idx FD BSCS+33,070 shares · +5%
- Invesco ETFs BSCR+19,306 shares · +3%
- Crane Nxt, Co. CXT+4,688 shares · +4%
- Boot Barn Holdings, Inc. BOOT+1,445 shares · +4%
- Moog Inc. MOGA+436 shares · +1%
and 8 more in the table below
Trimmed 26
- Marathon Petroleum Corp. MPC-26,282 shares · -53%
- Generac Holdings Inc. GNRC-13,345 shares · -22%
- Emcor Group, Inc. EME-2,290 shares · -4%
- Invesco Exch TRD SLF Idx FD BSCQ-38,002 shares · -4%
- Mastec Inc. MTZ-2,205 shares · -2%
- Republic Services, Inc. RSG-1,197 shares · -1%
- Autozone Inc. AZO-83 shares · -1%
- Alphabet Inc. GOOGL-583 shares · -1%
and 18 more in the table below
Sold out of 5
- Amrize Ltd AMRZ$4.8 million last quarter
- BJ's Wholesale Club Holdings, Inc. BJ$4.2 million last quarter
- ExxonMobil Holdings Corp. XOM$4.2 million last quarter
- Orthofix Med Inc. OFIX$360,683 last quarter
- Corning Inc. GLW$255,430 last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Emcor Group, Inc. EME | 55.7K | $42.0 million | 7.93% | -2.3K |
| Broadcom Inc. AVGO | 91.9K | $32.3 million | 6.10% | -532 |
| Alphabet Inc. GOOGL | 89.0K | $30.6 million | 5.78% | -583 |
| Mastec Inc. MTZ | 131.5K | $28.1 million | 5.31% | -2.2K |
| Vistra Corp. VST | 161.5K | $22.3 million | 4.22% | -1.4K |
| Autozone Inc. AZO | 7.2K | $20.5 million | 3.87% | -83 |
| Invesco Exch TRD SLF Idx FD BSCQ | 947.7K | $18.5 million | 3.49% | -38.0K |
| Republic Services, Inc. RSG | 85.1K | $17.9 million | 3.37% | -1.2K |
| Invesco ETFs BSCR | 774.4K | $15.1 million | 2.86% | +19.3K |
| Moog Inc. MOGA | 39.2K | $14.9 million | 2.82% | +436 |
| Canadian Pacific Kansas City LT CP | 170.2K | $14.5 million | 2.74% | -954 |
| Ss&c Technologies Hldgs Inc. SSNC | 186.7K | $14.4 million | 2.72% | -702 |
| Royalty Pharma PLC RPRX | 239.1K | $14.0 million | 2.64% | -325 |
| Markel CP Hldg Co. MKL | 8.1K | $13.8 million | 2.61% | -57 |
| Invesco Exch TRD SLF Idx FD BSCS | 669.0K | $13.5 million | 2.54% | +33.1K |
| Invesco Exch TRD SLF Idx FD BSCT | 729.4K | $13.3 million | 2.51% | +53.0K |
| Invesco Exch TRD SLF Idx FD BSCU | 780.7K | $12.6 million | 2.38% | +91.2K |
| Colliers Intl Group Inc. CIGI | 138.2K | $12.4 million | 2.34% | -838 |
| Dollar Tree, Inc. DLTR | 103.6K | $11.8 million | 2.23% | -713 |
| Invesco Exch TRD SLF Idx FD BSCV | 723.0K | $11.4 million | 2.15% | +234.8K |
| Midera Food Processing Inc. MFP | 263.2K | $10.7 million | 2.03% | new |
| APi Group Corp. APG | 270.4K | $10.4 million | 1.97% | -2.4K |
| Brookfield Corporation BN | 270.7K | $9.9 million | 1.86% | -2.8K |
| Generac Holdings Inc. GNRC | 46.8K | $9.7 million | 1.83% | -13.3K |
| Brinks Co. BCO | 95.4K | $9.6 million | 1.82% | -852 |
| Marathon Petroleum Corp. MPC | 23.7K | $9.4 million | 1.77% | -26.3K |
| Anterix Inc. ATEX | 116.6K | $9.1 million | 1.73% | +485 |
| Live Nation Entertainment, Inc. LYV | 48.8K | $8.3 million | 1.56% | -446 |
| Stride, Inc. LRN | 102.0K | $8.0 million | 1.50% | -802 |
| GXO Logistics, Inc. GXO | 176.3K | $7.8 million | 1.48% | -599 |
| ICU Medical Inc. ICUI | 45.6K | $7.3 million | 1.38% | +287 |
| Crocs, Inc. CROX | 57.5K | $6.7 million | 1.27% | +75 |
| Visteon Corp. VC | 69.1K | $6.0 million | 1.13% | -605 |
| Crane Nxt, Co. CXT | 120.5K | $5.7 million | 1.07% | +4.7K |
| StandardAero, Inc. SARO | 231.4K | $4.9 million | 0.93% | +1.3K |
| ExxonMobil Holdings Corp. XOM | 30.4K | $4.9 million | 0.93% | new |
| Boot Barn Holdings, Inc. BOOT | 36.0K | $4.3 million | 0.82% | +1.4K |
| Aebi Schmidt Hldg AG F AEBI | 349.1K | $3.7 million | 0.70% | -1.5K |
| C. H. Robinson Worldwide, Inc. CHRW | 21.3K | $3.2 million | 0.60% | +119 |
| Brookfield Asset Management Ltd. BAM | 65.7K | $2.9 million | 0.55% | +1.4K |
| Peloton Interactive, Inc. PTON | 491.6K | $2.5 million | 0.46% | +7.0K |
| Eli Lilly & Co. LLY | 2.1K | $2.4 million | 0.46% | no change |
| Energy Transfer LP ET | 92.7K | $1.8 million | 0.35% | -2.7K |
| Cummins Inc. CMI | 1.8K | $943,257 | 0.18% | +20 |
| Columbia Management Investment Advisers LLC TY | 19.9K | $682,748 | 0.13% | no change |
| Invesco QQQ Trust QQQ | 750 | $555,392 | 0.10% | no change |
| iShares Trust IWR | 5.0K | $533,550 | 0.10% | new |
| Apple Inc. AAPL | 1.6K | $519,391 | 0.10% | no change |
| Skyward Specialty Ins Group SKWD | 8.8K | $463,901 | 0.09% | no change |
| iShares Core S&P 500 ETF IVV | 600 | $459,510 | 0.09% | -54 |
| Invesco Exchange Traded FD T RSP | 1.8K | $364,035 | 0.07% | no change |
| Caterpillar Inc. CAT | 440 | $356,748 | 0.07% | no change |
| AbbVie Inc. ABBV | 1.3K | $328,296 | 0.06% | no change |
| Amazon.com Inc. AMZN | 1.2K | $288,765 | 0.05% | no change |
| Tesla, Inc. TSLA | 725 | $257,370 | 0.05% | new |
| Home Depot, Inc. HD | 844 | $240,110 | 0.05% | no change |
| Microsoft Corp. MSFT | 410 | $210,289 | 0.04% | new |