ATLAS Infrastructure Partners (UK) Ltd.

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), ATLAS Infrastructure Partners (UK) Ltd. reported 11 stock positions worth $3.3 billion. Its top holding was Pinnacle West Capital (PNW) at 17.3% of the portfolio, followed by Public Service Enterprise GP (PEG, 15.2%) and Consolidated Edison (ED, 11.5%). Compared with Q1 2026, it opened 3 new positions, sold out of 1, added to 6 and reduced 2. The biggest buy was a new position in Exelon (EXC) and the biggest sale an exit from Union Pacific (UNP).

Most Recent 13F
Q2 2026
Location
LONDON, X0
CIK
0001924953
Portfolio Value
$3.3B (Q2 2026)
SEC Filing
0001214659-26-010359 ↗ filed Aug 14, 2026

Holdings Value

0$1.0B$2.0B$3.0B$4.0B Q1 2024: $1.5B Q1 2024 Q2 2024: $1.2B Q2 2024 Q3 2024: $1.4B Q3 2024 Q4 2024: $416.5M Q4 2024 Q1 2025: $1.4B Q1 2025 Q2 2025: $1.4B Q2 2025 Q3 2025: $1.9B Q3 2025 Q4 2025: $2.0B Q4 2025 Q1 2026: $2.8B Q1 2026 Q2 2026: $3.3B $3.3B Q2 2026

Holdings 11 stocks · $3.3B

PNW Pinnacle West Capital 17.30% 5,332,226 $570.5M Add +5.1%
PEG Public Service Enterprise GP 15.17% 6,163,358 $500.2M Add +52.5%
ED Consolidated Edison Inc. 11.47% 3,418,444 $378.2M Add +12.2%
EMA Emera Inc. 11.36% 7,069,271 $374.8M Reduce -21.2%
EXC Exelon Corp. 10.96% 7,750,912 $361.3M New
EIX Edison International 8.67% 3,839,521 $285.9M Add +5.5%
HTO H2O America 8.50% 4,612,035 $280.3M Add +1.8%
PCG P G & E Corp. 7.97% 15,629,238 $262.9M Add +17.2%
CWT California Water Service Grp 2.93% 1,984,605 $96.6M New
SBAC SBA Communications Corp. 2.85% 532,422 $94.0M Reduce -48.5%
AVA Avista Corp. 2.84% 2,291,179 $93.7M New

Portfolio Sells Q1 2026 → Q2 2026

UNP Union Pacific Corp. Sold out 0.00% −8.68
EMA Emera Inc. Reduce -21.2% 11.36% −5.02
SBAC SBA Communications Corp. Reduce -48.5% 2.85% −3.42

Portfolio Buys Q1 2026 → Q2 2026

EXC Exelon Corp. New 10.96% +10.96
PEG Public Service Enterprise GP Add +52.5% 15.17% +3.64
CWT California Water Service Grp New 2.93% +2.93
AVA Avista Corp. New 2.84% +2.84
PCG P G & E Corp. Add +17.2% 7.97% −0.28
ED Consolidated Edison Inc. Add +12.2% 11.47% −0.68
PNW Pinnacle West Capital Add +5.1% 17.30% −0.71
EIX Edison International Add +5.5% 8.67% −0.72
HTO H2O America Add +1.8% 8.50% −0.87

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 11$3.3BPNW, PEG, ED, EMA, EXC
Q1 2026 9$2.8BPNW, EMA, ED, PEG, EIX
Q4 2025 9$2.0BPNW, EMA, ED, PEG, EIX
Q3 2025 9$1.9BPNW, ED, EIX, EXC, PEG
Q2 2025 7$1.4BEXC, PNW, ED, POR, EIX
Q1 2025 6$1.4BEXC, PNW, EIX, ED, POR
Q4 2024 6$416.5MEIX, EXC, POR, PCG, PNW
Q3 2024 5$1.4BEIX, PNW, EXC, PCG, POR
Q2 2024 6$1.2BEIX, PNW, AGR, EXC, POR
Q1 2024 6$1.5BEIX, AGR, PNW, POR, EXC