2026 Q1 Portfolio Activity
In 2026 Q1, HALLSTATT ADVISORS L.P. maintained a portfolio of 21 distinct positions. The most significant new addition was VISTRA CORP, now representing 8.22% of the total fund value. They heavily accumulated shares in GFL ENVIRONMENTAL INC SUB VTG , increasing the position by 65.0%. The fund also reduced its exposure to AERCAP HOLDINGS NV by 89.2%.
Position History
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HALLSTATT ADVISORS L.P.
AUM $126M
Total Positions
21
Quarter
2026 Q1
Top Holding
GVA (12.6%)
Top 10 Concentration
84.9%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-21 of 21
HALLSTATT ADVISORS L.P. Full Holdings List — 2026 Q1
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
GVA
GRANITE CONSTR ...
|
Industrials | 12.56% | 12.12% |
#1
Prev: #1
|
6.5 |
—
|
-8,519 | -6.0% |
P
S
|
132,484 | $15,882,182 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GFL
GFL ENVIRONMENT...
|
Industrials | 10.54% | 6.19% |
#2
5
Prev: #7
|
8.5 |
—
|
125,721 | 65.0% |
P
S
|
319,272 | $13,320,028 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CLH
CLEAN HARBORS I...
|
Industrials | 10.46% | 11.37% |
#3
1
Prev: #2
|
5.0 |
—
|
-18,986 | -29.2% |
P
S
|
46,115 | $13,222,554 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CWST
CASELLA WASTE S...
|
Industrials | 10.38% | 10.59% |
#4
1
Prev: #3
|
6.5 |
—
|
20,245 | 13.9% |
P
S
|
165,385 | $13,121,646 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
TEL
TE CONNECTIVITY...
|
Technology | 8.75% | 6.18% |
#5
3
Prev: #8
|
6.5 |
—
|
16,477 | 45.2% |
P
S
|
52,924 | $11,062,174 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
VST
VISTRA CORP
|
Utilities | 8.22% | — |
#6
Prev: #—
|
6.8 |
—
|
69,077 | — |
NEW
|
69,077 | $10,384,345 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CTRI
CENTURI HOLDING...
|
Utilities | 6.60% | 6.48% |
#7
2
Prev: #5
|
3.1 |
—
|
-58,900 | -17.1% |
P
S
|
285,721 | $8,345,910 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
SECYF
SECURE WASTE IN...
|
Industrials | 6.23% | — |
#8
Prev: #—
|
6.0 |
—
|
501,743 | — |
NEW
|
501,743 | $7,868,999 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
EXP
EAGLE MATLS INC
|
Basic Materials | 5.59% | 5.59% |
#9
2
Prev: #11
|
2.7 |
—
|
1,044 | 2.9% |
P
S
|
37,323 | $7,070,842 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
BDC
BELDEN INC
|
Technology | 5.59% | — |
#10
Prev: #—
|
5.7 |
—
|
61,576 | — |
NEW
|
61,576 | $7,070,772 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MRVL
MARVELL TECHNOL...
|
Technology | 5.47% | 6.14% |
#11
1
Prev: #10
|
2.2 |
—
|
-27,195 | -28.0% |
P
S
|
69,828 | $6,916,463 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
SEI
SOLARIS ENERGY ...
|
Energy | 5.37% | — |
#12
Prev: #—
|
5.6 |
—
|
120,209 | — |
NEW
|
120,209 | $6,793,011 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MT
ARCELORMITTAL S...
|
Basic Materials | 2.86% | 6.36% |
#13
7
Prev: #6
|
1.1 |
—
|
-117,966 | -62.9% |
P
S
|
69,489 | $3,612,038 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AER
AERCAP HOLDINGS...
|
Industrials | 1.09% | 9.99% |
#14
10
Prev: #4
|
0.4 |
—
|
-83,205 | -89.2% |
P
S
|
10,040 | $1,377,287 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
N/A
SIEMENS ENERGY ...
|
|
Unknown | 0.28% | — |
#15
Prev: #—
|
3.6 |
—
|
2,125 | — |
NEW
|
2,125 | $358,530 | — | 13F Filing | 2026-03-31 | 2026-05-07 | ||
|
SMNEY
SIEMENS ENERGY ...
|
Unknown | 0.00% | 0.43% |
Sold All 😨
(Was: #16) |
0.0 |
—
|
-4,116 | -100.0% |
CLOSED
|
— | $— | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
OC
OWENS CORNING N...
|
Industrials | 0.00% | 1.93% |
Sold All 😨
(Was: #15) |
0.0 |
—
|
-23,200 | -100.0% |
CLOSED
|
— | $— | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
FSLR
FIRST SOLAR INC
|
Technology | 0.00% | 2.06% |
Sold All 😨
(Was: #14) |
0.0 |
—
|
-10,588 | -100.0% |
CLOSED
|
— | $— | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
EMR
EMERSON ELEC CO
|
Industrials | 0.00% | 4.15% |
Sold All 😨
(Was: #13) |
0.0 |
—
|
-41,978 | -100.0% |
CLOSED
|
— | $— | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
HUBG
HUB GROUP INC C...
|
Industrials | 0.00% | 4.25% |
Sold All 😨
(Was: #12) |
0.0 |
—
|
-133,823 | -100.0% |
CLOSED
|
— | $— | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
IEX
IDEX CORP
|
Industrials | 0.00% | 6.15% |
Sold All 😨
(Was: #9) |
0.0 |
—
|
-46,411 | -100.0% |
CLOSED
|
— | $— | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 |
Showing 1-21 of 21 holdings