ATLAS Infrastructure Partners (UK) Ltd.
Long book
$2.84B
Q1 2026
Positions
9
Top-10 weight
100%
concentration
Last quarter
+5.6%
SPY +14.8%
Turnover
20%
of book per quarter
Strategy in plain words
auto-generated from filingsATLAS Infrastructure Partners (UK) Ltd. is a diversified fundamental manager, specialised in utilities (85% of the long book), running a $2.84B US long book across 9 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is modest: positions are typically held for years. Current anchor positions: PINNACLE WEST CAPITAL, EMERA INC, CONSOLIDATED EDISON INC, PUBLIC SERVICE ENTERPRISE GP, EDISON INTERNATIONAL.
Over the last 9 quarters its long book ran on average 1.4pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. 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
Q1 2024
+0.7%
Q2 2024
+18.7%
Q3 2024
-4.7%
Q4 2024
-2.3%
Q1 2025
-8.9%
Q2 2025
+5.0%
Q3 2025
+2.4%
Q4 2025
+11.3%
Q1 2026
+5.6%
Sector allocation
Utilities 91%
Industrials 9%
Long book by quarter
What does ATLAS Infrastructure own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| PNW PINNACLE WEST CAPITAL | Utilities | 5.1M | $511.2M | 18.0% | +13.7% |
| EMA EMERA INC | Utilities | 9.0M | $465.1M | 16.4% | +52.6% |
| ED CONSOLIDATED EDISON INC | Utilities | 3.0M | $344.9M | 12.1% | +7.3% |
| PEG PUBLIC SERVICE ENTERPRISE GP | Utilities | 4.0M | $327.2M | 11.5% | +38.7% |
| EIX EDISON INTERNATIONAL | Utilities | 3.6M | $266.5M | 9.4% | -6.6% |
| HTO H2O AMERICA | Utilities | 4.5M | $265.9M | 9.4% | +675.9% |
| UNP UNION PACIFIC CORP | Industrials | 1.0M | $246.4M | 8.7% | +11.6% |
| PCG P G & E CORP | Utilities | 13.3M | $234.4M | 8.3% | -5.6% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 9 | $2.84B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 9 | $1.99B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 9 | $1.86B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 7 | $1.40B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 6 | $1.42B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 6 | $416.5M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 5 | $1.44B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 12, 2024 | 6 | $1.20B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 13, 2024 | 6 | $1.48B | canonical | SEC ↗ |
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