HALLSTATT ADVISORS L.P.
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 filingsHALLSTATT 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
What does HALLSTATT ADVISORS own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| GVA GRANITE CONSTRUCTION INC | Industrials | 132.5K | $15.9M | 12.6% | -6.0% |
| GFL GFL ENVIRONMENTAL INC-SUB VT | Utilities | 319.3K | $13.3M | 10.5% | +65.0% |
| CLH CLEAN HARBORS INC | Utilities | 46.1K | $13.2M | 10.5% | -29.2% |
| CWST CASELLA WASTE SYSTEMS INC-A | Utilities | 165.4K | $13.1M | 10.4% | +13.9% |
| TEL TE CONNECTIVITY PLC | Consumer discretionary | 52.9K | $11.1M | 8.8% | +45.2% |
| VST VISTRA CORP | Utilities | 69.1K | $10.4M | 8.2% | New |
| CTRI CENTURI HOLDINGS INC | Utilities | 285.7K | $8.3M | 6.6% | -17.1% |
| SECYF SECURE WASTE INFRASTRUCTURE | — | 501.7K | $7.9M | 6.2% | New |
| EXP EAGLE MATERIALS INC | Industrials | 37.3K | $7.1M | 5.6% | +2.9% |
| BDC BELDEN INC | Industrials | 61.6K | $7.1M | 5.6% | New |
| MRVL MARVELL TECHNOLOGY INC | Technology | 69.8K | $6.9M | 5.5% | -28.0% |
| SEI SOLARIS ENERGY INFRASTRUCTUR | Industrials | 120.2K | $6.8M | 5.4% | New |
| MT ARCELORMITTAL-NY REGISTERED | Industrials | 69.5K | $3.6M | 2.9% | -62.9% |
| AER AERCAP HOLDINGS NV | Services media | 10.0K | $1.4M | 1.1% | -89.2% |
13F filing history
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