Hallstatt Advisors L.P.: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 2040638) · Explore on the interactive board
Hallstatt Advisors L.P. disclosed 13 US equity positions worth $141.9m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 4, 2026). Its largest position is GVA at 14.8% of the reported book, followed by CWST, TEL. The top ten holdings are 92.0% of the book, and the portfolio behaves like about 11 equal-weight positions. Versus the prior filing it opened 2 new positions, added to 5, reduced 4 and exited 4. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Hallstatt Advisors L.P. own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 2 new, 5 added, 4 reduced, 4 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | GVA GRANITE CONSTR INC | Industrials | 14.8% | $20.9m | 132,484 | 0% | held |
| 2 | CWST CASELLA WASTE SYS INC CL A | Industrials | 12.9% | $18.4m | 189,527 | 15% | added |
| 3 | TEL TE CONNECTIVITY PLC ORD SHS | Technology | 9.5% | $13.4m | 66,564 | 26% | added |
| 4 | VST VISTRA CORP | Utilities | 9.1% | $12.9m | 81,444 | 18% | added |
| 5 | CTRI CENTURI HOLDINGS INC COM SHS | Utilities | 8.6% | $12.1m | 401,715 | 41% | added |
| 6 | CLH CLEAN HARBORS INC | Industrials | 8.4% | $11.9m | 39,917 | -13% | reduced |
| 7 | SEI SOLARIS ENERGY INFRAS INC COM CL A | Energy | 8.3% | $11.8m | 146,907 | 22% | added |
| 8 | APH AMPHENOL CORP CL A | Technology | 8.1% | $11.5m | 64,975 | – | new |
| 9 | GFL GFL ENVIRONMENTAL INC SUB VTG SHS | Industrials | 6.9% | $9.8m | 266,189 | -17% | reduced |
| 10 | SECURE WASTE INFRASTRUCTU CORP | 5.5% | $7.8m | 501,743 | 0% | held | |
| 11 | EXP EAGLE MATLS INC | Basic Materials | 3.6% | $5.1m | 22,463 | -40% | reduced |
| 12 | ARCELORMITTAL SA LUXEMBOURG NY REGISTRY SH | 2.7% | $3.9m | 63,949 | -8% | reduced | |
| 13 | ATS ATS CORPORATION | Industrials | 1.7% | $2.4m | 83,020 | – | new |
What did Hallstatt Advisors L.P. sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| BDC BELDEN INC | 45.0% | $7.1m |
| MRVL MARVELL TECHNOLOGY INC | 44.0% | $6.9m |
| AERCAP HOLDINGS NV | 8.8% | $1.4m |
| SIEMENS ENERGY AG SPON ADS 1 ORD | 2.3% | $358.5k |
Sector mix
| Sector | Weight |
|---|---|
| Industrials | 44.7% |
| Utilities | 17.7% |
| Technology | 17.5% |
| Energy | 8.3% |
| Basic Materials | 3.6% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Hallstatt Advisors L.P.'s portfolio?
Across every quarter Hallstatt Advisors L.P. has filed, its median largest position is 13.7% of the book and its median top-ten weight is 88.5%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 4.0 completed holding spells, the median lasted 1.0 quarters; 13.0 positions are still open and their final length is unknown.