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Super Investors KIRR MARBACH & CO LLC /IN/
KM

KIRR MARBACH & CO LLC /IN/

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

Portfolio value
$530M
Positions
57
Quarter ended
September 30, 2026
Filed
October 20, 2026

Reported portfolio value by quarter (54 quarters reported)

$594M $234M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q3 26

$469M in Q2 2013 → $530M 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
Emcor Group Inc 7.9% Trimmed 4.0% 55,669 $42M
Broadcom Inc 6.1% Trimmed 0.6% 91,901 $32.3M
Alphabet Inc 5.8% Trimmed 0.7% 88,969 $30.6M
Mastec Inc 5.3% Trimmed 1.6% 131,521 $28.1M
Vistra Corp 4.2% Trimmed 0.9% 161,493 $22.3M
Autozone Inc 3.9% Trimmed 1.1% 7,244 $20.5M
IE Invesco Exch Trd Slf Idx Fd 3.5% Trimmed 3.9% 947,721 $18.5M
RS Republic Svcs Inc 3.4% Trimmed 1.4% 85,134 $17.9M
IE Invesco Exch Trd Slf Idx Fd 2.9% Added 2.6% 774,355 $15.1M
Moog Inc 2.8% Added 1.1% 39,156 $14.9M
Canadian Pacific Kansas City 2.7% Trimmed 0.6% 170,167 $14.5M
ST SS&C Tech Hldgs 2.7% Trimmed 0.4% 186,686 $14.4M
Royalty Pharma PLC 2.6% Trimmed 0.1% 239,136 $14M
Markel Group Inc 2.6% Trimmed 0.7% 8,073 $13.8M
IE Invesco Exch Trd Slf Idx Fd 2.5% Added 5.2% 669,038 $13.5M
IE Invesco Exch Trd Slf Idx Fd 2.5% Added 7.8% 729,385 $13.3M
IE Invesco Exch Trd Slf Idx Fd 2.4% Added 13% 780,696 $12.6M
CI Colliers Intl Group Inc 2.3% Trimmed 0.6% 138,160 $12.4M
Dollar Tree Inc 2.2% Trimmed 0.7% 103,619 $11.8M
IE Invesco Exch Trd Slf Idx Fd 2.2% Added 48% 722,997 $11.4M
MF Midera Food Processing Inc 2.0% New 263,172 $10.7M
Api Group Corp 2.0% Trimmed 0.9% 270,400 $10.4M
Brookfield Corp 1.9% Trimmed 1.0% 270,691 $9.87M
GH Generac Hldgs Inc 1.8% Trimmed 22% 46,783 $9.68M
BC Brinks Co 1.8% Trimmed 0.9% 95,436 $9.64M
MP Marathon Pete Corp 1.8% Trimmed 53% 23,661 $9.36M
Anterix Inc 1.7% Added 0.4% 116,554 $9.15M
LN Live Nation Entertainment In 1.6% Trimmed 0.9% 48,761 $8.26M
Stride Inc 1.5% Trimmed 0.8% 102,038 $7.96M
Gxo Logistics Incorporated 1.5% Trimmed 0.3% 176,283 $7.84M
IM Icu Med Inc 1.4% Added 0.6% 45,641 $7.33M
Crocs Inc 1.3% Added 0.1% 57,494 $6.74M
Visteon Corp 1.1% Trimmed 0.9% 69,070 $5.99M
Crane Nxt Co 1.1% Added 4.0% 120,500 $5.68M
Standardaero Inc 0.9% Added 0.6% 231,382 $4.94M
Exxonmobil Holdings Corp 0.9% New 30,352 $4.94M
BB Boot Barn Hldgs Inc 0.8% Added 4.2% 36,000 $4.34M
AS Aebi Schmidt Hldg Ag 0.7% Trimmed 0.4% 349,129 $3.69M
CH C H Robinson Worldwide In 0.6% Added 0.6% 21,343 $3.17M
BA Brookfield Asset Managmt Ltd 0.6% Added 2.2% 65,688 $2.93M
Peloton Interactive Inc 0.5% Added 1.4% 491,557 $2.45M
EL Eli Lilly & Co 0.5% Unchanged 2,113 $2.44M
ET Energy Transfer L P 0.3% Trimmed 2.8% 92,718 $1.83M
Cummins Inc 0.2% Added 1.1% 1,826 $943K
TC Tri Contl Corp 0.1% Unchanged 19,882 $683K
IQ Invesco Qqq Tr 0.1% Unchanged 750 $555K
IT Ishares Tr 0.1% New 5,000 $534K
Apple Inc 0.1% Unchanged 1,560 $519K
SS Skyward Specialty Ins Group 0.1% Unchanged 8,786 $464K
IT Ishares Tr 0.1% Trimmed 8.3% 600 $460K
IE Invesco Exchange Traded Fd T 0.1% Unchanged 1,750 $364K
Caterpillar Inc 0.1% Unchanged 440 $357K
Abbvie Inc 0.1% Unchanged 1,255 $328K
Amazon Com Inc 0.1% Unchanged 1,159 $289K
Tesla Inc 0.0% New 725 $257K
Home Depot Inc 0.0% Unchanged 844 $240K
Microsoft Corp 0.0% New 410 $210K

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 20, 2026

Company Action Shares changed Value of change % of portfolio
MF Midera Food Processing Inc New +263,172 +$10.7M 2.0%
MP Marathon Pete Corp Trimmed −26,282 −$10.4M 1.8%
Exxonmobil Holdings Corp New +30,352 +$4.94M 0.9%
A Amrize Ltd Exited −90,963 −$4.85M —
BW Bjs Whsl Club Hldgs Inc Exited −48,672 −$4.25M —
Exxon Mobil Corp Exited −30,440 −$4.16M —
IE Invesco Exch Trd Slf Idx Fd Added +234,840 +$3.7M 2.2%
GH Generac Hldgs Inc Trimmed −13,345 −$2.76M 1.8%
Emcor Group Inc Trimmed −2,290 −$1.73M 7.9%
IE Invesco Exch Trd Slf Idx Fd Added +91,191 +$1.47M 2.4%

Showing the 10 largest of 52 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 14, 2026

Company Action Shares changed Value of change % of portfolio
Mastec Inc Trimmed −26,471 −$11M 9.4%
BB Boot Barn Hldgs Inc New +34,555 +$5.68M 1.0%
Exxon Mobil Corp Trimmed −40,580 −$5.55M 0.7%
Carmax Inc Exited −125,479 −$5.22M —
Standardaero Inc Added +34,540 +$1.03M 1.2%
Moog Inc Added +1,859 +$788K 2.8%
IE Invesco Exch Trd Slf Idx Fd Trimmed −36,420 −$711K 3.2%
GH Generac Hldgs Inc Added +2,202 +$645K 3.0%
RS Republic Svcs Inc Trimmed −2,127 −$453K 3.1%
Aviat Networks Inc Exited −18,600 −$421K —

Showing the 10 largest of 49 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 17, 2026

Company Action Shares changed Value of change % of portfolio
Royalty Pharma PLC New +237,895 +$11.4M 2.1%
Veralto Corp Exited −84,028 −$8.4M —
Standardaero Inc New +195,513 +$5.05M 0.9%
DW Disney Walt Co Exited −33,965 −$3.88M —
CH C H Robinson Worldwide In New +21,194 +$3.52M 0.6%
Mastec Inc Trimmed −7,359 −$2.37M 9.4%
Rxo Inc Exited −171,884 −$2.17M —
Emcor Group Inc Trimmed −1,966 −$1.45M 7.9%
Autozone Inc Trimmed −389 −$1.31M 4.5%
IM Icu Med Inc Added +6,863 +$886K 1.0%

Showing the 10 largest of 51 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 26, 2026

Company Action Shares changed Value of change % of portfolio
IE Invesco Exch Trd Slf Idx Fd Exited −973,104 −$20.1M —
Broadcom Inc Trimmed −50,668 −$17.5M 6.3%
IE Invesco Exch Trd Slf Idx Fd New +653,537 +$11.1M 2.1%
IE Invesco Exch Trd Slf Idx Fd New +466,959 +$7.8M 1.5%
BW Bjs Whsl Club Hldgs Inc New +50,317 +$4.53M 0.9%
IE Invesco Exch Trd Slf Idx Fd Added +226,705 +$4.27M 2.3%
Brookfield Corp Added +88,303 +$4.05M 2.3%
Alight Inc Exited −769,672 −$2.51M —
IE Invesco Exch Trd Slf Idx Fd Added +98,083 +$2.02M 2.5%
Moog Inc Added +4,618 +$1.12M 1.6%

Showing the 10 largest of 47 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 14, 2025

Company Action Shares changed Value of change % of portfolio
Carmax Inc New +137,672 +$6.18M 1.1%
Innospec Inc Exited −54,335 −$4.57M —
AS Aebi Schmidt Hldg Ag New +349,759 +$4.36M 0.8%
Shyft Group Inc Exited −335,885 −$4.21M —
Api Group Corp Added +92,075 +$3.16M 1.7%
Broadcom Inc Trimmed −6,226 −$2.05M 8.7%
IE Invesco Exch Trd Slf Idx Fd Added +43,322 +$815K 1.4%
A Amrize Ltd Added +12,022 +$583K 0.8%
IE Invesco Exch Trd Slf Idx Fd Added +27,559 +$567K 2.0%
IE Invesco Exch Trd Slf Idx Fd Added +24,551 +$484K 2.5%

Showing the 10 largest of 47 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 16, 2025

Company Action Shares changed Value of change % of portfolio
Broadcom Inc Trimmed −33,254 −$9.17M 8.3%
GH Generac Hldgs Inc New +52,884 +$7.57M 1.5%
Biogen Inc Exited −33,444 −$4.58M —
A Amrize Ltd New +74,174 +$3.68M 0.7%
Peloton Interactive Inc New +470,482 +$3.27M 0.6%
Crocs Inc Added +26,901 +$2.72M 1.1%
Innospec Inc Trimmed −24,731 −$2.08M 0.9%
Inmode Ltd Exited −88,625 −$1.57M —
IE Invesco Exch Trd Slf Idx Fd Added +43,876 +$820K 1.4%
VS Vanguard Specialized Funds Exited −3,191 −$619K —

Showing the 10 largest of 48 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 23, 2025

Company Action Shares changed Value of change % of portfolio
LN Live Nation Entertainment In New +47,046 +$6.14M 1.4%
Vistra Corp Trimmed −49,966 −$5.87M 4.6%
SS SPDR S&P 500 ETF Tr Exited −7,173 −$4.22M —
Emcor Group Inc Trimmed −9,943 −$3.68M 5.1%
SH Siriusxm Holdings Inc Exited −139,890 −$3.19M —
LM Liberty Media Corp Del Exited −33,856 −$2.3M —
IM Icu Med Inc Added +13,951 +$1.94M 1.2%
Moog Inc Added +7,799 +$1.35M 1.2%
Stride Inc Trimmed −5,477 −$693K 3.0%
LM Liberty Media Corp Del Exited −9,315 −$620K —

Showing the 10 largest of 49 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 23, 2025

Company Action Shares changed Value of change % of portfolio
IE Invesco Exch Trd Slf Idx Fd Exited −792,840 −$16.7M —
Vistra Corp Trimmed −83,141 −$11.5M 6.5%
IE Invesco Exch Trd Slf Idx Fd Added +504,093 +$9.82M 2.7%
IE Invesco Exch Trd Slf Idx Fd Added +422,219 +$8.5M 2.0%
IE Invesco Exch Trd Slf Idx Fd New +308,414 +$5.66M 1.2%
MP Marathon Pete Corp Trimmed −37,277 −$5.2M 1.5%
SS SPDR S&P 500 ETF Tr New +7,173 +$4.22M 0.9%
IE Invesco Exch Trd Slf Idx Fd Added +162,647 +$3.36M 4.4%
IE Invesco Exch Trd Slf Idx Fd Added +162,751 +$3.16M 4.0%
Gxo Logistics Incorporated Added +56,581 +$2.46M 1.5%

Showing the 10 largest of 49 changes.

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