Soroban Capital Partners LP In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 17, 2026), Soroban Capital Partners LP reported 28 stock positions worth $13.7 billion . Its top holding was Microsoft (MSFT) at 14.7% of the portfolio, followed by Amazon.com (AMZN, 9.5% ) and Mastercard Class A (MA, 7.9% ). Compared with Q3 2025, it opened 3 new positions, sold out of 4, added to 9 and reduced 8. The biggest buy was Mastercard Class A (MA, shares +72% ) and the biggest sale Amazon.com (AMZN, shares −17% ).
Location New York, NY
CIK 0001517857
Portfolio Value $13.7B (Q4 2025) Holdings 28 stocks · $13.7B Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q3 2025 MSFT Microsoft Corp. 3,887,135 $2.0B Reduce -2.6% AMZN Amazon.com Inc. 5,925,996 $1.3B Reduce -17.2% MA Mastercard Inc. Class A 1,889,087 $1.1B Add +72.0% TDG Transdigm Group Inc. 747,970 $985.8M Add +28.7% GOOG Alphabet Inc. Class C 3,575,580 $870.8M No change META Meta Platforms Inc. Class A 1,172,966 $861.4M Add +61.1% V Visa Inc. Class A 2,484,618 $848.2M Add +46.9% TSM Taiwan Semiconductor-SP ADR 2,643,064 $738.2M Add +43.3% FERG Ferguson Enterprises Inc. 2,978,192 $668.8M Reduce -18.5% SO The Southern Co. 6,093,608 $577.5M Add +43.4% REXR Rexford Industrial Realty Inc. 9,191,038 $377.8M No change ETR Entergy Corp. 3,222,534 $300.3M Reduce -6.3% AEP American Electric Power 2,565,987 $288.7M Reduce -35.9% DTE DTE Energy Company 1,998,510 $282.6M Add +135.2% BN Brookfield Corp. 5,745,527 $262.7M No change EFX Equifax Inc. 1,019,449 $261.5M New PNW Pinnacle West Capital 2,877,404 $258.0M New UNP Union Pacific Corp. 1,022,833 $241.8M No change NI Nisource Inc. 5,387,780 $233.3M Add +4.6% SPGI S&P Global Inc. 468,653 $228.1M New GOOGL Alphabet Inc. Class A 839,870 $204.2M Reduce -33.2% WEC WEC Energy Group Inc. 1,387,672 $159.0M Add +26.4% CSX CSX Corp. 4,072,561 $144.6M Reduce -47.3% WDC Western Digital Corp. 1,146,273 $137.6M No change AEE Ameren Corporation 1,248,221 $130.3M No change STX Seagate Technology Holdings 534,364 $126.1M No change CMS CMS Energy Corp. 1,058,781 $77.6M Reduce -33.3% QSR Restaurant Brands Intern 300,000 $19.2M No change
Options reported separately and not counted above: AMZN calls ($658.7M).
Portfolio Sells Q3 2025 → Q4 2025 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q3 2025 % Of Portfolio Change To Portfolio ▲ AMZN Amazon.com Inc. Reduce -17.2% 9.52% −3.40 MSFT Microsoft Corp. Reduce -2.6% 14.72% −2.28 FERG Ferguson Enterprises Inc. Reduce -18.5% 4.89% −1.86 AEP American Electric Power Reduce -35.9% 2.11% −1.59 FE Firstenergy Corp. Sold out 0.00% −1.25 CSX CSX Corp. Reduce -47.3% 1.06% −1.20 GOOGL Alphabet Inc. Class A Reduce -33.2% 1.49% −1.02 ETR Entergy Corp. Reduce -6.3% 2.20% −0.44 CMS CMS Energy Corp. Reduce -33.3% 0.57% −0.39 PPL PPL Corp. Sold out 0.00% −0.36 TMO Thermo Fisher Scientific Inc. Sold out 0.00% −0.33 DHR Danaher Corp. Sold out 0.00% −0.24
Portfolio Buys Q3 2025 → Q4 2025 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q3 2025 % Of Portfolio Change To Portfolio ▼ MA Mastercard Inc. Class A Add +72.0% 7.86% +2.72 EFX Equifax Inc. New 1.91% +1.91 META Meta Platforms Inc. Class A Add +61.1% 6.30% +1.90 PNW Pinnacle West Capital New 1.89% +1.89 SPGI S&P Global Inc. New 1.67% +1.67 V Visa Inc. Class A Add +46.9% 6.20% +1.46 TSM Taiwan Semiconductor-SP ADR Add +43.3% 5.40% +1.16 DTE DTE Energy Company Add +135.2% 2.07% +1.08 TDG Transdigm Group Inc. Add +28.7% 7.21% +0.91 SO The Southern Co. Add +43.4% 4.22% +0.91 WEC WEC Energy Group Inc. Add +26.4% 1.16% +0.13 NI Nisource Inc. Add +4.6% 1.71% −0.13
Options Activity Q3 2025 → Q4 2025 Security Type Change vs Q3 2025 Underlying Shares Value ▼ AMZN Amazon.com Inc. call Reduce -40.0% 3,000,000 $658.7M
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 23 $14.2B AMZN, MA, TDG, MSFT, V Q1 2026 27 $14.0B AMZN, MSFT, MA, TDG, DPZ Q4 2025 28 $13.7B MSFT, AMZN, MA, TDG, GOOG Q3 2025 29 $12.2B MSFT, AMZN, GOOG, FERG, TDG Q2 2025 29 $10.3B MSFT, AMZN, FERG, GOOG, MA Q1 2025 27 $7.1B MSFT, FERG, GOOG, V, MA Q4 2024 24 $7.5B MSFT, GOOG, V, GOOGL, BN Q3 2024 24 $7.2B MSFT, GOOG, BN, CSX, V Q2 2024 25 $6.8B MSFT, GOOG, CSX, BN, UNP Q1 2024 24 $6.6B MSFT, CSX, UNP, GOOG, BN