Stocks/Funds/CIK 2040638

HALLSTATT ADVISORS L.P.

concentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 2040638
Assets
$126M
Holdings
15
Lifetime alpha vs market
+32.95% annual
Average hold time
0.4 yr
median 0.5 yr

Quarterly history

Cum return +3% vs S&P -4% · α +7% lifetimeAUM $126M · peak $134MFlow $-11M (-9%)2025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+12.24%
adds when stocks drop
when a holding falls −10%+
Middle response
-12.77%
baseline attrition
Rally response
-33.42%
trims into rallies
when a holding rises +10%+

Top positions · 15

Ticker$ value% portYoYHold time
GVAGranite Construction Inc$16M12.6%0.5 yr
GFLGFL Environmental Inc.$13M10.5%0.5 yr
CLHClean Harbors, Inc.$13M10.5%0.5 yr
CWSTCasella Waste Systems, I$13M10.4%0.5 yr
TELTE Connectivity Ltd.$11M8.8%0.5 yr
VSTVistra Corp.$10M8.2%0.3 yr
CTRICenturi Holdings, Inc.$8M6.6%0.5 yr
SES.TOSecure Waste Infrastruct$8M6.2%0.3 yr
EXPEagle Materials Inc.$7M5.6%0.5 yr
BDCBelden Inc.$7M5.6%0.3 yr
MRVLMarvell Technology, Inc.$7M5.5%0.5 yr
SEISolaris Energy Infrastru$7M5.4%0.3 yr
MTArcelorMittal S.A.$4M2.9%0.5 yr
AERAerCap Holdings N.V.$1M1.1%0.5 yr
$0M0.3%0.3 yr

Portfolio composition (YoY)

Industry mix
Waste Management37.6%$48M
Engineering & Construction12.6%$16M
Hardware, Equipment & Parts8.8%$11M
Independent Power Producers8.2%$10M
Regulated Gas6.6%$8M
Construction Materials5.6%$7M
Communication Equipment5.6%$7M
Semiconductors5.5%$7M
Oil & Gas Equipment & Services5.4%$7M
Steel2.9%$4M
Country
US70.3%
CA16.8%
IE9.8%
LU2.9%
Unknown0.3%
Top 5: 52.7% · Top 10: 84.9% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %

Losers

TickerPrev $PnLYoY %

Top buys this quarter · 9

new+$0M
SES.TO Secure Waste Infrastructure Conew+$11M
VST Vistra Corp.new+$10M
BDC Belden Inc.new+$7M
SEI Solaris Energy Infrastructure,new+$7M
GFL GFL Environmental Inc.+$5M
TEL TE Connectivity Ltd.+$3M
CWST Casella Waste Systems, Inc.+$13M
EXP Eagle Materials Inc.+$7M

Top sells this quarter · 12

SMNEY Siemens Energy AGexit$0M
AER AerCap Holdings N.V.$11M
IEX IDEX Corporationexit$9M
MT ArcelorMittal S.A.$6M
EMR Emerson Electric Co.exit$5M
CLH Clean Harbors, Inc.$5M
HUBG Hub Group, Inc.exit$5M
MRVL Marvell Technology, Inc.$3M
OC Owens Corningexit$3M
FSLR First Solar, Inc.exit$2M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$126M15+2.69%-4.37%+7.06%-0.01B
2025-12-31$134M16