ATLAS Infrastructure Partners (UK) Ltd.

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), ATLAS Infrastructure Partners (UK) Ltd. reported 9 stock positions worth $1.9 billion. Its top holding was Pinnacle West Capital (PNW) at 14.9% of the portfolio, followed by Consolidated Edison (ED, 14.2%) and Edison International (EIX, 12.8%). Compared with Q2 2025, it opened 2 new positions, added to 5 and reduced 2. The biggest buy was a new position in Emera (EMA) and the biggest sale Exelon (EXC, shares −17%).

Most Recent 13F
Q2 2026
Location
LONDON, X0
CIK
0001924953
Portfolio Value
$1.9B (Q3 2025)
SEC Filing
0001214659-25-016614 ↗ filed Nov 14, 2025

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 $1.9B Q3 2025 Q4 2025: $2.0B Q4 2025 Q1 2026: $2.8B Q1 2026 Q2 2026: $3.3B Q2 2026

Holdings 9 stocks · $1.9B

PNW Pinnacle West Capital 14.90% 3,091,893 $277.2M Add +8.0%
ED Consolidated Edison Inc. 14.19% 2,626,760 $264.0M Add +9.0%
EIX Edison International 12.76% 4,294,744 $237.4M Add +0.2%
EXC Exelon Corp. 12.02% 4,967,487 $223.6M Reduce -17.3%
PEG Public Service Enterprise GP 11.52% 2,567,724 $214.3M Add +253.3%
POR Portland General Electric Co. 10.36% 4,382,492 $192.8M Reduce -19.7%
EMA Emera Inc. 9.43% 3,658,041 $175.4M New
PCG P G & E Corp. 8.26% 10,195,512 $153.7M Add +0.3%
UNP Union Pacific Corp. 6.55% 515,643 $121.9M New

Portfolio Sells Q2 2025 → Q3 2025

EXC Exelon Corp. Reduce -17.3% 12.02% −6.54
POR Portland General Electric Co. Reduce -19.7% 10.36% −5.43

Portfolio Buys Q2 2025 → Q3 2025

EMA Emera Inc. New 9.43% +9.43
PEG Public Service Enterprise GP Add +253.3% 11.52% +7.16
UNP Union Pacific Corp. New 6.55% +6.55
PCG P G & E Corp. Add +0.3% 8.26% −1.82
EIX Edison International Add +0.2% 12.76% −2.98
ED Consolidated Edison Inc. Add +9.0% 14.19% −3.02
PNW Pinnacle West Capital Add +8.0% 14.90% −3.34

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