Soroban Capital Partners LP In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Soroban Capital Partners LP reported 27 stock positions worth $14.0 billion . Its top holding was Amazon.com (AMZN) at 12.5% of the portfolio, followed by Microsoft (MSFT, 9.5% ) and Mastercard Class A (MA, 8.8% ). Compared with Q4 2025, it opened 2 new positions, sold out of 3, added to 9 and reduced 12. The biggest buy was a new position in Domino's Pizza (DPZ) and the biggest sale Microsoft (MSFT, shares −8% ).
Location New York, NY
CIK 0001517857
Portfolio Value $14.0B (Q1 2026) Holdings 27 stocks · $14.0B 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 Q4 2025 AMZN Amazon.com Inc. 12.47% 8,367,474 $1.7B Add +41.2% MSFT Microsoft Corp. 9.49% 3,584,691 $1.3B Reduce -7.8% MA Mastercard Inc. Class A 8.81% 2,464,499 $1.2B Add +30.5% TDG Transdigm Group Inc. 7.10% 856,197 $992.3M Add +14.5% DPZ Domino's Pizza Inc. 6.40% 2,495,194 $895.3M New V Visa Inc. Class A 6.40% 2,961,240 $895.0M Add +19.2% META Meta Platforms Inc. Class A 5.73% 1,400,083 $801.0M Add +19.4% EFX Equifax Inc. 5.39% 4,184,569 $753.5M Add +310.5% SPGI S&P Global Inc. 5.14% 1,688,643 $718.2M Add +260.3% TSM Taiwan Semiconductor-SP ADR 4.67% 1,931,530 $652.8M Reduce -26.9% GOOG Alphabet Inc. Class C 4.37% 2,131,498 $611.4M Reduce -40.4% FERG Ferguson Enterprises Inc. 4.00% 2,398,367 $559.4M Reduce -19.5% PNW Pinnacle West Capital 2.78% 3,854,815 $388.4M Add +34.0% WDC Western Digital Corp. 2.22% 1,146,273 $310.1M No change DTE DTE Energy Company 2.13% 2,038,473 $298.1M Add +2.0% SO The Southern Co. 1.64% 2,375,511 $229.3M Reduce -61.0% NI Nisource Inc. 1.50% 4,493,353 $209.7M Reduce -16.6% STX Seagate Technology Holdings 1.50% 534,364 $209.3M No change ETR Entergy Corp. 1.39% 1,723,304 $193.6M Reduce -46.5% NXPI NXP Semiconductors NV 1.22% 863,266 $169.9M New GOOGL Alphabet Inc. Class A 1.09% 531,870 $152.9M Reduce -36.7% AEP American Electric Power 1.06% 1,131,523 $148.3M Reduce -55.9% WEC WEC Energy Group Inc. 0.99% 1,198,148 $138.7M Reduce -13.7% AEE Ameren Corporation 0.98% 1,248,221 $137.2M No change REXR Rexford Industrial Realty Inc. 0.85% 3,625,821 $118.7M Reduce -60.5% CMS CMS Energy Corp. 0.59% 1,058,781 $82.1M No change QSR Restaurant Brands Intern 0.09% 172,015 $12.7M Reduce -42.7%
Options reported separately and not counted above: MSFT calls ($22.2B), META calls ($11.4B), AMZN calls ($4.2B).
Portfolio Sells Q4 2025 → Q1 2026 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 Q4 2025 % Of Portfolio Change To Portfolio ▲ MSFT Microsoft Corp. Reduce -7.8% 9.49% −5.23 SO The Southern Co. Reduce -61.0% 1.64% −2.58 GOOG Alphabet Inc. Class C Reduce -40.4% 4.37% −1.99 BN Brookfield Corp. Sold out 0.00% −1.92 REXR Rexford Industrial Realty Inc. Reduce -60.5% 0.85% −1.91 UNP Union Pacific Corp. Sold out 0.00% −1.77 CSX CSX Corp. Sold out 0.00% −1.06 AEP American Electric Power Reduce -55.9% 1.06% −1.05 FERG Ferguson Enterprises Inc. Reduce -19.5% 4.00% −0.89 ETR Entergy Corp. Reduce -46.5% 1.39% −0.81 TSM Taiwan Semiconductor-SP ADR Reduce -26.9% 4.67% −0.73 GOOGL Alphabet Inc. Class A Reduce -36.7% 1.09% −0.40 NI Nisource Inc. Reduce -16.6% 1.50% −0.21 WEC WEC Energy Group Inc. Reduce -13.7% 0.99% −0.17 QSR Restaurant Brands Intern Reduce -42.7% 0.09% −0.05
Portfolio Buys Q4 2025 → Q1 2026 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 Q4 2025 % Of Portfolio Change To Portfolio ▼ DPZ Domino's Pizza Inc. New 6.40% +6.40 EFX Equifax Inc. Add +310.5% 5.39% +3.48 SPGI S&P Global Inc. Add +260.3% 5.14% +3.47 AMZN Amazon.com Inc. Add +41.2% 12.47% +2.95 NXPI NXP Semiconductors NV New 1.22% +1.22 MA Mastercard Inc. Class A Add +30.5% 8.81% +0.95 PNW Pinnacle West Capital Add +34.0% 2.78% +0.89 V Visa Inc. Class A Add +19.2% 6.40% +0.20 DTE DTE Energy Company Add +2.0% 2.13% +0.07 TDG Transdigm Group Inc. Add +14.5% 7.10% −0.11 META Meta Platforms Inc. Class A Add +19.4% 5.73% −0.57
Options Activity Q4 2025 → Q1 2026 Security Type Change vs Q4 2025 Underlying Shares Value ▼ MSFT Microsoft Corp. call New 60,000,000 $22.2B META Meta Platforms Inc. Class A call New 20,000,000 $11.4B AMZN Amazon.com Inc. call Add +566.7% 20,000,000 $4.2B
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