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

0$2.0B$4.0B$6.0B Q1 2024: $4.6B Q1 2024 Q2 2024: $5.2B Q2 2024 Q3 2024: $5.3B Q3 2024 Q4 2024: $5.8B Q4 2024 Q1 2025: $4.9B $4.9B Q1 2025 Q2 2025: $4.4B Q2 2025 Q3 2025: $4.1B Q3 2025 Q4 2025: $3.8B Q4 2025 Q1 2026: $3.9B Q1 2026 Q2 2026: $4.2B Q2 2026

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
HTO H2O America filed as SJW GROUP 0.09% 83,000 $4.5M New
SOBO South Bow Corp. 0.09% 175,000 $4.5M New
PSA Public Storage 0.09% 14,500 $4.3M Reduce -30.6%
ABX Abacus Global Management Inc. 0.09% 575,000 $4.3M Reduce -6.9%
UNP Union Pacific Corp. 0.09% 18,100 $4.3M No change
VIK Viking Holdings Ltd. 0.08% 100,000 $4.0M New
VVX V2X Inc. 0.08% 78,424 $3.8M Reduce -79.9%
PNTG The Pennant Group Inc. 0.08% 150,000 $3.8M No change
INR Infinity Natural Resour Class A 0.08% 200,000 $3.8M New
TYG Tortoise Energy Infrastruct 0.07% 83,918 $3.6M No change
PPL PPL Corp. 0.07% 100,000 $3.6M New
FERG Ferguson Enterprises Inc. 0.07% 22,500 $3.6M New
HST Host Hotels & Resorts Inc. 0.07% 250,000 $3.6M New
IIPR Innovative Industrial Proper 0.07% 62,240 $3.4M No change
CYTK Cytokinetics Inc. 0.07% 82,132 $3.3M Add +116.1%
TLN Talen Energy Corp. 0.06% 15,370 $3.1M Add +26.3%
SLG SL Green Realty Corp. 0.06% 50,700 $2.9M Reduce -69.2%
CUBE Cubesmart 0.06% 67,200 $2.9M New
CSX CSX Corp. 0.05% 90,000 $2.6M Add +9.1%
SNDX Syndax Pharmaceuticals Inc. 0.05% 213,159 $2.6M New
ELDN Eledon Pharmaceuticals Inc. 0.05% 754,970 $2.6M Add +0.7%
SION Sionna Therapeutics Inc. 0.05% 237,500 $2.5M New
FRT Federal Realty Invs Trust 0.05% 25,000 $2.4M No change
DLR Digital Realty Trust Inc. 0.05% 15,994 $2.3M No change
EGP Eastgroup Properties Inc. 0.04% 12,500 $2.2M No change
FLOC Flowco Holdings Inc. Class A 0.04% 85,000 $2.2M New
IRON Disc Medicine Inc. 0.04% 42,900 $2.1M Add +29.6%
OPAL Opal Fuels Inc. Class A 0.04% 1,150,092 $2.1M Reduce -42.3%
SAIL Sailpoint Inc. 0.04% 105,000 $2.0M New
KRG Kite Realty Group Trust 0.04% 87,500 $2.0M New
GPCR Structure Therapeutics Inc. 0.04% 100,776 $1.7M Add +77.1%
ERH Allspring Utilities and High 0.03% 128,803 $1.4M Add +145.5%
KRP Kimbell Royalty Partners LP 0.03% 91,153 $1.3M New
ENB Enbridge Inc. 0.02% 26,000 $1.2M Reduce -85.1%
MDU Mdu Resources Group Inc. 0.02% 65,096 $1.1M New
CNI Canadian Natl Railway Co. 0.02% 11,000 $1.1M No change
BNL Broadstone Net Lease Inc. 0.02% 62,500 $1.1M Reduce -80.8%
MLTX Moonlake Immunotherapeutics 0.02% 24,500 $957K New
BPMC Blueprint Medicines Corp. 0.02% 9,620 $851K Reduce -71.4%
MOD Modine Manufacturing Co. 0.02% 10,000 $768K New
IMNM Immunome Inc. 0.01% 100,000 $673K New
IMTX Immatics NV 0.01% 145,990 $658K Reduce -64.0%
KMTS Kestra Medical Technologies 0.01% 15,000 $374K New
WDAY Workday Inc. Class A 0.01% 1,500 $350K New
EQIX Equinix Inc. 0.00% 100 $82K New
SBAC SBA Communications Corp. 0.00% 100 $22K New
BBNX Beta Bionics Inc. 0.00% 1,000 $12K 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

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 111$4.2BWELL, NI, ES, KGS, XEL
Q1 2026 117$3.9BADC, NI, ES, WELL, XEL
Q4 2025 119$3.8BES, WELL, XEL, NI, KGS
Q3 2025 133$4.1BES, NI, TRGP, XEL, WELL
Q2 2025 145$4.4BES, AEP, XEL, TRGP, TXNM
Q1 2025 147$4.9BAEP, XEL, WELL, PCG, TRGP
Q4 2024 145$5.8BWELL, BA, TRGP, PCG, XEL
Q3 2024 143$5.3BWELL, RYAN, AEE, EVRG, PNW
Q2 2024 149$5.2BWELL, EVRG, ES, AEE, RYAN
Q1 2024 128$4.6BWELL, AEE, RYAN, NI, PCG