HALLSTATT ADVISORS L.P.

Fundamental concentrated ★Signal CIK 2040638
League rank
#493
in Fundamental concentrated · #1870 overall
Long book
$126.4M
Q1 2026
Positions
15
Top-10 weight
85%
concentration
Last quarter
+14.4%
SPY +14.8%
Turnover
52%
of book per quarter

Strategy in plain words

auto-generated from filings

HALLSTATT ADVISORS L.P. is a concentrated fundamental stock-picker, running a $126.4M US long book across 15 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: GRANITE CONSTRUCTION INC, GFL ENVIRONMENTAL INC-SUB VT, CLEAN HARBORS INC, CASELLA WASTE SYSTEMS INC-A, TE CONNECTIVITY PLC.

We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q4 2025
+1.6%
Q1 2026
+14.4%

Sector allocation

Utilities
46%
Industrials
32%
Consumer discretionary
9%
Other
6%
Technology
5%
Services media
1%

Long book by quarter

$134.2M
Q4 2025
$126.4M
Q1 2026

What does HALLSTATT ADVISORS own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
GVA GRANITE CONSTRUCTION INCIndustrials132.5K$15.9M12.6%-6.0%
GFL GFL ENVIRONMENTAL INC-SUB VTUtilities319.3K$13.3M10.5%+65.0%
CLH CLEAN HARBORS INCUtilities46.1K$13.2M10.5%-29.2%
CWST CASELLA WASTE SYSTEMS INC-AUtilities165.4K$13.1M10.4%+13.9%
TEL TE CONNECTIVITY PLCConsumer discretionary52.9K$11.1M8.8%+45.2%
VST VISTRA CORPUtilities69.1K$10.4M8.2%New
CTRI CENTURI HOLDINGS INCUtilities285.7K$8.3M6.6%-17.1%
SECYF SECURE WASTE INFRASTRUCTURE501.7K$7.9M6.2%New
EXP EAGLE MATERIALS INCIndustrials37.3K$7.1M5.6%+2.9%
BDC BELDEN INCIndustrials61.6K$7.1M5.6%New
MRVL MARVELL TECHNOLOGY INCTechnology69.8K$6.9M5.5%-28.0%
SEI SOLARIS ENERGY INFRASTRUCTURIndustrials120.2K$6.8M5.4%New
MT ARCELORMITTAL-NY REGISTEREDIndustrials69.5K$3.6M2.9%-62.9%
AER AERCAP HOLDINGS NVServices media10.0K$1.4M1.1%-89.2%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 7, 202615$126.4M canonicalSEC ↗
Q4 202513F-HRFeb 10, 202616$134.2M canonicalSEC ↗