Stocks/Funds/CIK 764112

KIRR MARBACH & CO LLC /IN/

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 764112
Assets
$549M
+27.3% YoY
Holdings
57
Lifetime alpha vs market
+4.02% annual
Average hold time
4.4 yr
median 3.0 yr

Quarterly history

Cum return +78% vs S&P +52% · α +26% lifetimeAUM $549M · peak $554MFlow $-1M (-0%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-3.73%
trims when stocks drop
when a holding falls −10%+
Middle response
-0.54%
baseline attrition
Rally response
-1.27%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
MTZMasTec, Inc.$52M9.4%+175.7%10.5 yr
EMEEMCOR Group, Inc.$43M7.9%+100.2%10.5 yr
AVGOBroadcom Inc.$29M5.2%+86.0%7.5 yr
GOOGLAlphabet Inc.$26M4.7%6.3 yr
AZOAutoZone, Inc.$25M4.5%-11.4%10.5 yr
VSTVistra Corp.$25M4.5%+28.7%9.3 yr
BSCQInvesco BulletShares 202$20M3.6%4.5 yr
RSGRepublic Services, Inc.$19M3.5%-8.9%6.0 yr
MKLMarkel Corporation$16M2.8%+2.4%10.5 yr
BSCRInvesco BulletShares 202$15M2.8%4.3 yr
CIGIColliers International G$15M2.7%-11.7%10.5 yr
$13M2.5%3.0 yr
BSCSInvesco BulletShares 202$13M2.4%4.3 yr
BSCTInvesco BulletShares 202$13M2.3%1.8 yr
SSNCSS&C Technologies Holdin$13M2.3%-18.0%7.3 yr

Portfolio composition (YoY)

Industry mix
Engineering & Construction19.3%+8.0pp$106M
Asset Management - Bonds9.6%-1.8pp$53M
Asset Management7.5%+0.5pp$41M
Semiconductors5.2%-2.0pp$29M
Internet Content & Information4.7%+1.4pp$26M
Specialty Retail4.6%-2.3pp$25M
Unknown4.5%+1.3pp$25M
Independent Power Producers4.5%-0.1pp$25M
Waste Management3.5%-1.4pp$19M
Industrial - Machinery3.0%+1.8pp$17M
Country
US90.8%+0.4pp
CA4.7%-1.4pp
Unknown4.5%+1.3pp
Top 5: 31.7% · Top 10: 48.9% · Top 25: 81.7%

Winners

TickerPrev $PnLYoY %
MTZ$20M+0.03B175.7%
AVGO$31M+0.03B86.0%
EME$22M+0.02B100.2%
VST$20M+0.01B28.7%
MPC$7M+0.01B71.2%

Losers

TickerPrev $PnLYoY %
LRN$13M-0.00B-30.3%
AZO$30M-0.00B-11.4%
SSNC$16M-0.00B-18.0%
CIGI$17M-0.00B-11.7%
RSG$21M-0.00B-8.9%

Top buys this quarter · 15

RPRX Royalty Pharma plcnew+$11M
SARO StandardAero, Inc.new+$5M
CHRW C.H. Robinson Worldwide, Inc.new+$4M
ICUI ICU Medical, Inc.+$1M
GNRC Generac Holdings Inc.+$1M
CROX Crocs, Inc.+$1M
CXT Crane NXT, Co.+$5M
KMX CarMax, Inc.+$1M
ATEX Anterix Inc.+$1M
GXO GXO Logistics, Inc.+$0M

Top sells this quarter · 15

VLTO Veralto Corporationexit$7M
DIS The Walt Disney Companyexit$3M
RXO RXO, Inc.exit$3M
MTZ MasTec, Inc.$36M
EME EMCOR Group, Inc.$37M
AZO AutoZone, Inc.$1M
AVGO Broadcom Inc.$1M
VST Vistra Corp.$1M
MSFT Microsoft Corporationexit$0M
DLTR Dollar Tree, Inc.$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$549M57+29.17%+17.59%+11.58%-0.00B
2025-12-31$523M58+15.92%+17.72%-1.80%+0.00B
2025-09-30$554M57+28.41%+17.52%+10.89%-0.00B
2025-06-30$506M55+27.96%+14.94%+13.02%-0.01B
2025-03-31$431M54+7.30%+8.30%-1.00%-0.00B
2024-12-31$462M57+32.88%+24.89%+8.00%-0.00B
2024-09-30$448M54+39.60%+36.04%+3.56%-0.01B
2024-06-30$416M56+22.89%+24.49%-1.61%-0.00B
2024-03-31$414M53+29.60%+29.62%-0.03%-0.03B
2023-12-31$381M53+18.98%+26.18%-7.20%-0.00B
2023-09-30$353M53+21.51%+21.57%-0.06%+0.00B
2023-06-30$362M48+19.28%+19.42%-0.14%+0.02B
2023-03-31$323M46-0.79%-7.82%+7.03%-0.02B
2022-12-31$321M46+11.41%+7.56%+3.85%-0.01B
2022-09-30$295M47-5.63%-4.93%-0.71%-0.01B
2022-06-30$319M47-11.92%-16.11%+4.19%-0.01B