Zimmer Partners, LP
In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), Zimmer Partners, LP reported 147 stock positions worth $4.9 billion. Its top holding was American Electric Power (AEP) at 7.2% of the portfolio, followed by Xcel Energy (XEL, 5.9%) and Welltower (WELL, 5.8%). Compared with Q4 2024, it opened 47 new positions, sold out of 45, added to 51 and reduced 40. The biggest buy was American Electric Power (AEP, shares +240%) and the biggest sale an exit from Boeing (BA).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001565854
- Portfolio Value
- $4.9B (Q1 2025)
- SEC Filing
- 0001085146-25-003289 ↗ filed May 15, 2025
Holdings Value
Holdings 147 stocks · $4.9B
| AEP American Electric Power | 7.20% | 3,250,000 | $355.1M | Add +240.3% |
| XEL Xcel Energy Inc. | 5.92% | 4,121,950 | $291.8M | Add +12.4% |
| WELL Welltower Inc. | 5.77% | 1,856,848 | $284.5M | Reduce -44.2% |
| PCG P G & E Corp. | 4.70% | 13,486,877 | $231.7M | Add +6.5% |
| TRGP Targa Resources Corp. | 4.50% | 1,107,300 | $222.0M | Reduce -33.3% |
| DUK Duke Energy Corp. | 3.74% | 1,511,629 | $184.4M | Reduce -25.4% |
| HE Hawaiian Electric Inds | 2.97% | 13,385,992 | $146.6M | Reduce -11.9% |
| RYAN Ryan Specialty Holdings Inc. | 2.94% | 1,962,500 | $145.0M | Reduce -47.0% |
| KGS Kodiak Gas Services Inc. | 2.89% | 3,824,063 | $142.6M | Add +14.2% |
| FE Firstenergy Corp. | 2.82% | 3,433,826 | $138.8M | Reduce -30.2% |
| VNOM Viper Energy Inc. | 2.33% | 2,538,900 | $114.6M | Add +746.3% |
| AEE Ameren Corporation | 2.25% | 1,103,383 | $110.8M | Add +6.8% |
| EVRG Evergy Inc. | 2.18% | 1,558,418 | $107.5M | Reduce -58.0% |
| KNTK Kinetik Holdings Inc. | 2.07% | 1,966,187 | $102.1M | New |
| D Dominion Energy Inc. | 1.97% | 1,728,500 | $96.9M | Add +28.8% |
| ETR Entergy Corp. | 1.97% | 1,133,474 | $96.9M | Add +285.5% |
| KMI Kinder Morgan Inc. | 1.87% | 3,232,100 | $92.2M | Add +41.7% |
| PRMB Primo Brands Corp. | 1.86% | 2,587,102 | $91.8M | New |
| SRE Sempra | 1.74% | 1,201,528 | $85.7M | Reduce -36.9% |
| BKH Black Hills Corp. | 1.63% | 1,321,304 | $80.1M | Reduce -10.3% |
| OKE Oneok Inc. | 1.57% | 782,600 | $77.6M | New |
| KD Kyndryl Holdings Inc. | 1.50% | 2,347,641 | $73.7M | Add +4.5% |
| SWX Southwest Gas Holdings Inc. | 1.49% | 1,021,956 | $73.4M | Add +12.2% |
| DTM DT Midstream Inc. | 1.43% | 729,629 | $70.4M | Reduce -2.7% |
| FANG Diamondback Energy Inc. | 1.38% | 425,000 | $67.9M | Reduce -19.1% |
| SFD Smithfield Foods Inc. | 1.14% | 2,750,721 | $56.1M | New |
| GEV GE Vernova Inc. | 1.11% | 179,500 | $54.8M | Add +897.2% |
| ADT Adt Inc. | 1.05% | 6,387,721 | $52.0M | Reduce -9.3% |
| ZWS Zurn Elkay Water Solutions C | 1.02% | 1,526,500 | $50.3M | New |
| ETN Eaton Corp. PLC | 0.95% | 172,400 | $46.9M | Add +128.7% |
| CTRE Caretrust REIT Inc. | 0.95% | 1,633,000 | $46.7M | Reduce -44.1% |
| EG Everest Group Ltd. | 0.70% | 95,000 | $34.5M | Reduce -30.9% |
| SR Spire Inc. | 0.70% | 438,598 | $34.3M | Reduce -1.1% |
| SNCY Sun Country Airlines Holding filed as SUN CTRY AIRLS HLDGS INC | 0.69% | 2,773,031 | $34.2M | Add +545.8% |
| CRH CRH PLC | 0.65% | 365,000 | $32.1M | Add +151.8% |
| HESM Hess Midstream LP Class A | 0.63% | 736,240 | $31.1M | Add +16.4% |
| TTAM Titan America SA | 0.62% | 2,278,043 | $30.8M | New |
| PEG Public Service Enterprise GP | 0.62% | 370,000 | $30.5M | New |
| CPAY Corpay Inc. | 0.61% | 86,500 | $30.2M | New |
| SCHW Schwab (charles) Corp. | 0.56% | 350,000 | $27.4M | New |
| PH Parker Hannifin Corp. | 0.55% | 45,000 | $27.4M | Add +5.9% |
| PLGO Pelagos Insurance Capital LT filed as FIDELIS INSURANCE HOLDINGS L | 0.55% | 1,686,739 | $27.3M | Reduce -4.4% |
| YORW York Water Co. filed as YORK WTR CO | 0.53% | 757,623 | $26.3M | Add +1.4% |
| WMS Advanced Drainage Systems Inc. | 0.49% | 223,100 | $24.2M | Add +6.2% |
| PACS Pacs Group Inc. | 0.48% | 2,106,313 | $23.7M | Add +8.2% |
| TDG Transdigm Group Inc. | 0.46% | 16,530 | $22.9M | Reduce -42.8% |
| CPK Chesapeake Utilities Corp. | 0.46% | 177,048 | $22.7M | Add +57.1% |
| CAT Caterpillar Inc. | 0.45% | 67,950 | $22.4M | Add +125.6% |
| SNY Sanofi-ADR | 0.41% | 361,600 | $20.1M | Reduce -25.9% |
| REXR Rexford Industrial Realty Inc. | 0.38% | 475,000 | $18.6M | New |
| AESI Atlas Energy Solutions Inc. | 0.36% | 1,000,000 | $17.8M | New |
| DAL Delta Air Lines Inc. | 0.36% | 406,800 | $17.7M | Add +93.5% |
| NVT Nvent Electric PLC | 0.35% | 325,000 | $17.0M | Add +44.4% |
| FVR Frontview REIT Inc. | 0.33% | 1,280,551 | $16.4M | Reduce -1.5% |
| PWR Quanta Services Inc. | 0.31% | 60,900 | $15.5M | Add +37.5% |
| PLD Prologis Inc. | 0.31% | 137,500 | $15.4M | Add +10.0% |
| AZO AutoZone Inc. | 0.31% | 4,000 | $15.3M | Add +2.6% |
| TOL Toll Brothers Inc. | 0.31% | 143,550 | $15.2M | Add +43.5% |
| WM Waste Management Inc. | 0.30% | 63,940 | $14.8M | Add +20.6% |
| SPG Simon Property Group Inc. | 0.29% | 87,500 | $14.5M | Add +250.0% |
| FCPT Four Corners Property Trust | 0.29% | 489,999 | $14.1M | Reduce -65.5% |
| ED Consolidated Edison Inc. | 0.28% | 127,000 | $14.0M | Reduce -51.5% |
| GE General Electric filed as GE AEROSPACE | 0.28% | 69,600 | $13.9M | Reduce -42.2% |
| APD Air Products & Chemicals Inc. | 0.27% | 45,000 | $13.3M | Reduce -10.0% |
| NSC Norfolk Southern Corp. | 0.26% | 53,100 | $12.6M | Reduce -18.3% |
| AWK American Water Works Co. Inc. | 0.25% | 85,000 | $12.5M | Reduce -51.7% |
| CWST Casella Waste Systems Inc. Class A | 0.24% | 107,500 | $12.0M | Reduce -78.2% |
| UAL United Airlines Holdings Inc. | 0.24% | 172,500 | $11.9M | Add +108.6% |
| WAY Waystar Holding Corp. | 0.23% | 300,000 | $11.2M | New |
| TEVA Teva Pharmaceutical-SP ADR | 0.23% | 721,700 | $11.1M | New |
| VRT Vertiv Holdings Co. Class A | 0.22% | 150,000 | $10.8M | Add +200.0% |
| BBIO Bridgebio Pharma Inc. | 0.21% | 301,400 | $10.4M | Add +67.1% |
| O Realty Income Corp. | 0.21% | 175,000 | $10.2M | New |
| ROAD Construction Partners Inc. Class A | 0.20% | 140,000 | $10.1M | New |
| FTAI Ftai Aviation Ltd. | 0.20% | 90,000 | $10.0M | New |
| ARCB Arcbest Corp. | 0.20% | 140,000 | $9.9M | Add +33.3% |
| TEX Terex Corp. | 0.19% | 250,000 | $9.4M | Add +38.9% |
| JRVR James River Group Holdings I | 0.18% | 2,162,484 | $9.1M | Add +684.4% |
| SWTX Springworks Therapeutics Inc. | 0.18% | 202,500 | $8.9M | Add +42.3% |
| BOW Bowhead Specialty Holdings I | 0.18% | 215,000 | $8.7M | No change |
| NI Nisource Inc. | 0.17% | 212,227 | $8.5M | Reduce -29.6% |
| ARGX Argenx SE - ADR | 0.17% | 13,800 | $8.2M | New |
| VTR Ventas Inc. | 0.16% | 117,500 | $8.1M | Reduce -89.8% |
| MSFT Microsoft Corp. | 0.15% | 20,000 | $7.5M | Add +44.9% |
| PBA Pembina Pipeline Corp. | 0.15% | 184,500 | $7.4M | New |
| GMS GMS Inc. | 0.15% | 100,050 | $7.3M | Add +33.4% |
| MSEX Middlesex Water Co. | 0.15% | 112,257 | $7.2M | New |
| WHR Whirlpool Corp. | 0.14% | 75,000 | $6.8M | New |
| KRMN Karman Holdings Inc. | 0.14% | 200,000 | $6.7M | New |
| EOLS Evolus Inc. | 0.12% | 505,000 | $6.1M | Add +21.3% |
| ASND Ascendis Pharma A/S | 0.11% | 36,100 | $5.6M | Reduce -62.8% |
| CHTR Charter Communications Inc. Class A | 0.11% | 15,000 | $5.5M | Reduce -46.4% |
| EXR Extra Space Storage Inc. | 0.11% | 37,200 | $5.5M | New |
| ROIV Roivant Sciences Ltd. | 0.11% | 534,500 | $5.4M | Add +111.3% |
| GAUZ Gauzy Ltd. | 0.11% | 673,958 | $5.4M | Add +3.7% |
| ES Eversource Energy | 0.11% | 85,900 | $5.3M | Reduce -45.4% |
| SARO Standardaero Inc. | 0.11% | 200,000 | $5.3M | Add +33.3% |
| CEG Constellation Energy | 0.10% | 25,000 | $5.0M | New |
| NJR New Jersey Resources Corp. | 0.10% | 101,800 | $5.0M | Add +49.0% |
| PNW Pinnacle West Capital | 0.10% | 50,000 | $4.8M | New |
Options reported separately and not counted above: PCG calls ($103.1M), PRMB calls ($31.8M), EIX calls ($25.0M), WELL calls ($19.2M), CNP puts ($18.1M), SRE calls ($17.8M), XEL calls ($17.7M), AEP puts ($16.4M), WEC puts ($13.6M), SO puts ($11.5M), VNOM calls ($11.3M), PACS puts ($10.1M), and 13 more.
Portfolio Sells Q4 2024 → Q1 2025
| BA The Boeing Co. | Sold out | 0.00% | −6.83 |
| AJG Arthur J Gallagher & Co. | Sold out | 0.00% | −3.69 |
| TXNM TXNM Energy Inc. | Sold out | 0.00% | −2.88 |
| EVRG Evergy Inc. | Reduce -58.0% | 2.18% | −1.78 |
| POR Portland General Electric Co. | Sold out | 0.00% | −1.74 |
| CMS CMS Energy Corp. | Sold out | 0.00% | −1.55 |
| WELL Welltower Inc. | Reduce -44.2% | 5.77% | −1.51 |
| RYAN Ryan Specialty Holdings Inc. | Reduce -47.0% | 2.94% | −1.18 |
| SRE Sempra | Reduce -36.9% | 1.74% | −1.16 |
| VTR Ventas Inc. | Reduce -89.8% | 0.16% | −1.01 |
| GTES Gates Industrial Corp. UK Ltd. | Sold out | 0.00% | −0.93 |
| NEE Nextera Energy Inc. | Sold out | 0.00% | −0.77 |
| CWST Casella Waste Systems Inc. Class A | Reduce -78.2% | 0.24% | −0.66 |
| TRGP Targa Resources Corp. | Reduce -33.3% | 4.50% | −0.64 |
| FLNC Fluence Energy Inc. | Sold out | 0.00% | −0.59 |
| FE Firstenergy Corp. | Reduce -30.2% | 2.82% | −0.58 |
| LNG Cheniere Energy Inc. | Sold out | 0.00% | −0.51 |
| BKV BKV Corporation | Sold out | 0.00% | −0.43 |
| CTRE Caretrust REIT Inc. | Reduce -44.1% | 0.95% | −0.42 |
| AHR American Healthcare REIT Inc. | Sold out | 0.00% | −0.39 |
| AES AES Corp. | Sold out | 0.00% | −0.39 |
| PFE Pfizer Inc. | Sold out | 0.00% | −0.38 |
| FCPT Four Corners Property Trust | Reduce -65.5% | 0.29% | −0.38 |
| BMY Bristol-Myers Squibb Co. | Sold out | 0.00% | −0.37 |
| VVX V2X Inc. | Reduce -79.9% | 0.08% | −0.25 |
| ONB Old National Bancorp | Sold out | 0.00% | −0.21 |
| IVT Inventrust Properties Corp. | Sold out | 0.00% | −0.18 |
| TDG Transdigm Group Inc. | Reduce -42.8% | 0.46% | −0.17 |
| WMB Williams Cos Inc. | Sold out | 0.00% | −0.17 |
| EG Everest Group Ltd. | Reduce -30.9% | 0.70% | −0.16 |
| EXC Exelon Corp. | Sold out | 0.00% | −0.16 |
| RXO Rxo Inc. | Sold out | 0.00% | −0.16 |
| ULS Ul Solutions Inc. Class A | Sold out | 0.00% | −0.14 |
| SLG SL Green Realty Corp. | Reduce -69.2% | 0.06% | −0.13 |
| AWK American Water Works Co. Inc. | Reduce -51.7% | 0.25% | −0.13 |
| ED Consolidated Edison Inc. | Reduce -51.5% | 0.28% | −0.12 |
| ASND Ascendis Pharma A/S | Reduce -62.8% | 0.11% | −0.12 |
| FANG Diamondback Energy Inc. | Reduce -19.1% | 1.38% | −0.11 |
| ECHO Echostar Corp. Class A | Sold out | 0.00% | −0.11 |
| JCI Johnson Controls Internation | Sold out | 0.00% | −0.11 |
| T AT&T Inc. | Sold out | 0.00% | −0.11 |
| ENB Enbridge Inc. | Reduce -85.1% | 0.02% | −0.11 |
| CCI Crown Castle Inc. | Sold out | 0.00% | −0.10 |
| CABO Cable One Inc. | Sold out | 0.00% | −0.09 |
| NCL CORPORATION LTD (NCLH 1.125 02/15/27) | Sold out | 0.00% | −0.09 |
| HBM Hudbay Minerals Inc. | Sold out | 0.00% | −0.08 |
| KLC Kindercare Learning Cos Inc. | Sold out | 0.00% | −0.08 |
| BECN Beacon Roofing Supply Inc. | Sold out | 0.00% | −0.08 |
| FVR Frontview REIT Inc. | Reduce -1.5% | 0.33% | −0.08 |
| INVH Invitation Homes Inc. | Sold out | 0.00% | −0.08 |
Portfolio Buys Q4 2024 → Q1 2025
| AEP American Electric Power | Add +240.3% | 7.20% | +5.68 |
| KNTK Kinetik Holdings Inc. | New | 2.07% | +2.07 |
| VNOM Viper Energy Inc. | Add +746.3% | 2.33% | +2.07 |
| PRMB Primo Brands Corp. | New | 1.86% | +1.86 |
| XEL Xcel Energy Inc. | Add +12.4% | 5.92% | +1.62 |
| ETR Entergy Corp. | Add +285.5% | 1.97% | +1.58 |
| OKE Oneok Inc. | New | 1.57% | +1.57 |
| SFD Smithfield Foods Inc. | New | 1.14% | +1.14 |
| ZWS Zurn Elkay Water Solutions C | New | 1.02% | +1.02 |
| GEV GE Vernova Inc. | Add +897.2% | 1.11% | +1.01 |
| KMI Kinder Morgan Inc. | Add +41.7% | 1.87% | +0.79 |
| D Dominion Energy Inc. | Add +28.8% | 1.97% | +0.71 |
| AEE Ameren Corporation | Add +6.8% | 2.25% | +0.65 |
| TTAM Titan America SA | New | 0.62% | +0.62 |
| PEG Public Service Enterprise GP | New | 0.62% | +0.62 |
| CPAY Corpay Inc. | New | 0.61% | +0.61 |
| SNCY Sun Country Airlines Holding | Add +545.8% | 0.69% | +0.58 |
| SCHW Schwab (charles) Corp. | New | 0.56% | +0.56 |
| KGS Kodiak Gas Services Inc. | Add +14.2% | 2.89% | +0.52 |
| ETN Eaton Corp. PLC | Add +128.7% | 0.95% | +0.52 |
| CRH CRH PLC | Add +151.8% | 0.65% | +0.42 |
| REXR Rexford Industrial Realty Inc. | New | 0.38% | +0.38 |
| SWX Southwest Gas Holdings Inc. | Add +12.2% | 1.49% | +0.37 |
| AESI Atlas Energy Solutions Inc. | New | 0.36% | +0.36 |
| PCG P G & E Corp. | Add +6.5% | 4.70% | +0.27 |
| CAT Caterpillar Inc. | Add +125.6% | 0.45% | +0.27 |
| WAY Waystar Holding Corp. | New | 0.23% | +0.23 |
| HESM Hess Midstream LP Class A | Add +16.4% | 0.63% | +0.23 |
| TEVA Teva Pharmaceutical-SP ADR | New | 0.23% | +0.23 |
| CPK Chesapeake Utilities Corp. | Add +57.1% | 0.46% | +0.22 |
| SPG Simon Property Group Inc. | Add +250.0% | 0.29% | +0.22 |
| O Realty Income Corp. | New | 0.21% | +0.21 |
| ROAD Construction Partners Inc. Class A | New | 0.20% | +0.20 |
| FTAI Ftai Aviation Ltd. | New | 0.20% | +0.20 |
| ARGX Argenx SE - ADR | New | 0.17% | +0.17 |
| JRVR James River Group Holdings I | Add +684.4% | 0.18% | +0.16 |
| PBA Pembina Pipeline Corp. | New | 0.15% | +0.15 |
| KD Kyndryl Holdings Inc. | Add +4.5% | 1.50% | +0.15 |
| MSEX Middlesex Water Co. | New | 0.15% | +0.15 |
| DAL Delta Air Lines Inc. | Add +93.5% | 0.36% | +0.14 |
| WHR Whirlpool Corp. | New | 0.14% | +0.14 |
| KRMN Karman Holdings Inc. | New | 0.14% | +0.14 |
| BBIO Bridgebio Pharma Inc. | Add +67.1% | 0.21% | +0.13 |
| VRT Vertiv Holdings Co. Class A | Add +200.0% | 0.22% | +0.12 |
| WM Waste Management Inc. | Add +20.6% | 0.30% | +0.11 |
| EXR Extra Space Storage Inc. | New | 0.11% | +0.11 |
| YORW York Water Co. | Add +1.4% | 0.53% | +0.11 |
| UAL United Airlines Holdings Inc. | Add +108.6% | 0.24% | +0.10 |
| CEG Constellation Energy | New | 0.10% | +0.10 |
| PNW Pinnacle West Capital | New | 0.10% | +0.10 |
Options Activity Q4 2024 → Q1 2025
| PCG P G & E Corp. | call | New | 6,000,000 | $103.1M |
| PRMB Primo Brands Corp. | call | New | 895,000 | $31.8M |
| AJG Arthur J Gallagher & Co. | call | Sold out | 100,000 | $28.4Mbefore exit |
| EIX Edison International | call | New | 425,000 | $25.0M |
| WELL Welltower Inc. | call | New | 125,000 | $19.2M |
| CNP Centerpoint Energy Inc. | put | New | 500,000 | $18.1M |
| SRE Sempra | call | New | 250,000 | $17.8M |
| XEL Xcel Energy Inc. | call | New | 250,000 | $17.7M |
| AEP American Electric Power | put | New | 150,000 | $16.4M |
| WEC WEC Energy Group Inc. | put | New | 125,000 | $13.6M |
| SO The Southern Co. | put | New | 125,000 | $11.5M |
| VNOM Viper Energy Inc. | call | New | 250,000 | $11.3M |
| PACS Pacs Group Inc. | put | New | 900,000 | $10.1M |
| FE Firstenergy Corp. | call | New | 250,000 | $10.1M |
| DUK Duke Energy Corp. | call | New | 75,000 | $9.1M |
| EVRG Evergy Inc. | call | New | 125,000 | $8.6M |
| KD Kyndryl Holdings Inc. | call | New | 250,000 | $7.8M |
| CPAY Corpay Inc. | call | Reduce -10.0% | 22,500 | $7.8M |
| KMI Kinder Morgan Inc. | call | New | 262,500 | $7.5M |
| ET Energy Transfer LP | call | New | 350,000 | $6.5M |
| WMS Advanced Drainage Systems Inc. | call | New | 50,000 | $5.4M |
| CTRE Caretrust REIT Inc. | call | New | 145,900 | $4.2M |
| DTE DTE Energy Company | put | New | 25,000 | $3.5M |
| CRH CRH PLC | call | New | 25,000 | $2.2M |
| DAL Delta Air Lines Inc. | call | New | 50,000 | $2.2M |
| SNCY Sun Country Airlines Holding | call | New | 75,000 | $924K |
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 | 111 | $4.2B | WELL, NI, ES, KGS, XEL |
| Q1 2026 | 117 | $3.9B | ADC, NI, ES, WELL, XEL |
| Q4 2025 | 119 | $3.8B | ES, WELL, XEL, NI, KGS |
| Q3 2025 | 133 | $4.1B | ES, NI, TRGP, XEL, WELL |
| Q2 2025 | 145 | $4.4B | ES, AEP, XEL, TRGP, TXNM |
| Q1 2025 | 147 | $4.9B | AEP, XEL, WELL, PCG, TRGP |
| Q4 2024 | 145 | $5.8B | WELL, BA, TRGP, PCG, XEL |
| Q3 2024 | 143 | $5.3B | WELL, RYAN, AEE, EVRG, PNW |
| Q2 2024 | 149 | $5.2B | WELL, EVRG, ES, AEE, RYAN |
| Q1 2024 | 128 | $4.6B | WELL, AEE, RYAN, NI, PCG |