Zimmer Partners, LP

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Zimmer Partners, LP reported 133 stock positions worth $4.1 billion. Its top holding was Eversource Energy (ES) at 6.5% of the portfolio, followed by Nisource (NI, 6.2%) and Targa Resources (TRGP, 5.4%). Compared with Q2 2025, it opened 41 new positions, sold out of 53, added to 36 and reduced 48. The biggest buy was Nisource (NI, shares +2041%) and the biggest sale American Electric Power (AEP, shares −65%).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001565854
Portfolio Value
$4.1B (Q3 2025)
SEC Filing
0001565854-25-000005 ↗ filed Nov 14, 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 Q1 2025 Q2 2025: $4.4B Q2 2025 Q3 2025: $4.1B $4.1B Q3 2025 Q4 2025: $3.8B Q4 2025 Q1 2026: $3.9B Q1 2026 Q2 2026: $4.2B Q2 2026

Holdings 133 stocks · $4.1B

ES Eversource Energy 6.52% 3,752,300 $266.9M Reduce -14.2%
NI Nisource Inc. 6.23% 5,886,983 $254.9M Add +2040.7%
TRGP Targa Resources Corp. 5.43% 1,326,850 $222.3M Add +6.5%
XEL Xcel Energy Inc. 4.83% 2,451,000 $197.7M Reduce -28.3%
WELL Welltower Inc. 4.82% 1,106,245 $197.1M Reduce -11.3%
TXNM TXNM Energy Inc. 4.68% 3,389,018 $191.6M Reduce -6.3%
KMI Kinder Morgan Inc. 4.20% 6,070,100 $171.8M Add +177.8%
TXNM ENERGY INC (TXNM 5.75 06/01/54) 3.04% 95,022,000 $124.3M No change
PCG P G & E Corp. 2.92% 7,911,027 $119.3M Reduce -23.1%
KGS Kodiak Gas Services Inc. 2.65% 2,931,704 $108.4M Reduce -31.7%
CNP Centerpoint Energy Inc. 2.57% 2,715,300 $105.4M Reduce -34.8%
AEP American Electric Power 2.47% 897,134 $100.9M Reduce -64.9%
AEE Ameren Corporation 1.91% 749,345 $78.2M Reduce -0.8%
SRE Sempra 1.88% 855,800 $77.0M Reduce -50.1%
IDA Idacorp Inc. 1.74% 537,500 $71.0M New
ADT Adt Inc. 1.72% 8,077,811 $70.4M Add +164.8%
VNOM Viper Energy Inc. Class A 1.72% 1,840,000 $70.3M New
BKH Black Hills Corp. 1.66% 1,100,020 $67.8M Add +2100.0%
KD Kyndryl Holdings Inc. 1.63% 2,227,904 $66.9M Add +14.3%
SWX Southwest Gas Holdings Inc. 1.48% 772,815 $60.5M Reduce -14.6%
ETN Eaton Corp. PLC 1.42% 154,900 $58.0M Reduce -3.6%
DUK Duke Energy Corp. 1.38% 456,529 $56.5M Reduce -38.2%
CTRE Caretrust REIT Inc. 1.35% 1,588,130 $55.1M Add +140.8%
PRMB Primo Brands Corp. 1.32% 2,439,062 $53.9M Add +3.8%
CMS CMS Energy Corp. 1.24% 694,400 $50.9M Add +129.8%
TDG Transdigm Group Inc. 1.22% 38,000 $50.1M Add +103.2%
SFD Smithfield Foods Inc. 1.05% 1,836,714 $43.1M Add +96.4%
NEE Nextera Energy Inc. 0.99% 538,002 $40.6M Add +135.6%
LTM Latam Airlines Group SA-ADR 0.91% 825,000 $37.3M New
LLY Eli Lilly & Co. 0.90% 48,300 $36.9M Reduce -4.2%
CWST Casella Waste Systems Inc. Class A 0.86% 370,000 $35.1M Add +149.2%
CNM Core & Main Inc. Class A 0.85% 645,000 $34.7M New
QXO Qxo Inc. 0.84% 1,810,000 $34.5M Add +313.7%
AZO AutoZone Inc. 0.79% 7,500 $32.2M Reduce -25.0%
SMA Smartstop Self Storage REIT 0.78% 852,665 $32.1M Add +1.7%
RIG Transocean Ltd. 0.74% 9,699,252 $30.3M New
CPAY Corpay Inc. 0.71% 100,700 $29.0M Add +54.9%
SARO Standardaero Inc. 0.67% 1,000,000 $27.3M Add +129.9%
PH Parker Hannifin Corp. 0.65% 35,000 $26.5M Reduce -23.9%
JRVR James River Group Holdings I 0.62% 4,591,638 $25.5M Add +53.8%
SNCY Sun Country Airlines Holding filed as SUN CTRY AIRLS HLDGS INC 0.60% 2,095,900 $24.8M Reduce -5.8%
YORW York Water Co. filed as YORK WTR CO 0.56% 757,623 $23.0M No change
KVUE Kenvue Inc. 0.54% 1,369,800 $22.2M New
WM Waste Management Inc. 0.54% 100,000 $22.1M Reduce -16.7%
HESM Hess Midstream LP Class A 0.51% 607,500 $21.0M Reduce -32.7%
APD Air Products & Chemicals Inc. 0.50% 75,000 $20.5M Add +13.6%
RYAN Ryan Specialty Holdings Inc. 0.50% 360,000 $20.3M Reduce -71.4%
SOLV Solventum Corp. 0.49% 275,000 $20.1M New
LGN Legence Corp. Class A 0.45% 600,000 $18.5M New
TTAM Titan America SA 0.42% 1,156,229 $17.3M Reduce -48.3%
PWR Quanta Services Inc. 0.41% 40,000 $16.6M Reduce -33.9%
GE General Electric filed as GE AEROSPACE 0.40% 55,000 $16.5M Reduce -31.3%
AMRZ Amrize Ltd. 0.39% 325,000 $15.8M New
FVR Frontview REIT Inc. 0.37% 1,118,408 $15.3M No change
CTRI Centuri Holdings Inc. 0.37% 711,500 $15.1M New
CSW CSW Industrials Inc. 0.36% 60,000 $14.6M Add +100.0%
WBI Waterbridge Infrastruc Class A 0.34% 557,165 $14.1M New
PNW Pinnacle West Capital 0.33% 148,632 $13.3M Reduce -70.3%
SPXC SPX Technologies Inc. 0.32% 70,000 $13.1M New
ABBV Abbvie Inc. 0.31% 54,900 $12.7M New
BRO Brown & Brown Inc. 0.29% 125,000 $11.7M Add +209.5%
NIQ Niq Global Intelligence PLC 0.27% 700,000 $11.0M New
NVT Nvent Electric PLC 0.27% 110,000 $10.9M Reduce -63.6%
LOAR Loar Holdings Inc. 0.25% 130,000 $10.4M Add +52.9%
MSFT Microsoft Corp. 0.25% 20,000 $10.4M No change
CARR Carrier Global Corp. 0.25% 170,000 $10.1M Add +54.5%
OKE Oneok Inc. 0.25% 137,900 $10.1M Reduce -37.1%
FLY Firefly Aerospace Inc. 0.24% 335,000 $9.8M New
BBIO Bridgebio Pharma Inc. 0.23% 184,400 $9.6M Add +2.4%
AR Antero Resources Corp. 0.22% 270,000 $9.1M New
BLDR Builders Firstsource Inc. 0.22% 73,000 $8.9M Add +82.5%
CPK Chesapeake Utilities Corp. 0.21% 64,192 $8.6M Reduce -50.6%
MSEX Middlesex Water Co. 0.20% 154,557 $8.4M Add +26.6%
AZN Astrazeneca PLC-Spons ADR 0.20% 108,200 $8.3M New
BMY Bristol-Myers Squibb Co. 0.20% 182,000 $8.2M Add +17.4%
VRT Vertiv Holdings Co. Class A 0.18% 50,000 $7.5M Reduce -23.1%
WCC Wesco International Inc. 0.18% 35,000 $7.4M Reduce -33.3%
BLSH Bullish 0.17% 110,000 $7.0M New
WLK Westlake Corp. 0.17% 90,000 $6.9M New
HTO H2O America 0.15% 124,316 $6.1M Reduce -73.0%
ARIS WATER SOLUTIONS INC-A 0.15% 242,482 $6.0M New
IRON Disc Medicine Inc. 0.15% 90,163 $6.0M No change
SNDX Syndax Pharmaceuticals Inc. 0.14% 383,100 $5.9M Reduce -36.8%
BOW Bowhead Specialty Holdings I 0.14% 215,000 $5.8M No change
LPX Louisiana-Pacific Corp. 0.14% 65,000 $5.8M New
NTST Netstreit Corp. 0.13% 294,780 $5.3M New
JHX James Hardie Ind PLC 0.13% 275,000 $5.3M New
ADPT Adaptive Biotechnologies 0.12% 330,834 $4.9M Add +30.8%
CRH CRH PLC 0.12% 40,000 $4.8M Reduce -90.0%
ELDN Eledon Pharmaceuticals Inc. 0.12% 1,825,000 $4.7M Add +86.1%
MIR Mirion Technologies Inc. 0.11% 200,000 $4.7M New
AQN Algonquin Power & Utilities 0.11% 800,000 $4.3M New
FCPT Four Corners Property Trust 0.10% 175,092 $4.3M Reduce -67.0%
INCY Incyte Corp. 0.10% 50,000 $4.2M New
PACS Pacs Group Inc. 0.10% 302,500 $4.2M Add +27.4%
GAUZ Gauzy Ltd. 0.10% 645,608 $4.1M No change
MLYS Mineralys Therapeutics Inc. 0.09% 100,000 $3.8M Reduce -38.5%
TYG Tortoise Energy Infrastruct 0.09% 81,418 $3.5M Reduce -3.0%
GPC Genuine Parts Co. 0.08% 25,000 $3.5M Reduce -58.3%
NJR New Jersey Resources Corp. 0.08% 70,430 $3.4M Reduce -10.5%
CHWY Chewy Inc. Class A 0.08% 79,654 $3.2M Reduce -94.7%
KYN Kayne Anderson Energy Infra 0.08% 250,000 $3.1M Add +150.0%
ASND Ascendis Pharma A/S 0.08% 15,500 $3.1M Reduce -61.5%
LNG Cheniere Energy Inc. 0.07% 12,500 $2.9M New
CYTK Cytokinetics Inc. 0.07% 50,000 $2.7M Reduce -34.6%
CSX CSX Corp. 0.07% 75,000 $2.7M Add +514.8%
FIGR Figure Technology Solut Class A 0.06% 70,000 $2.5M New
AVB Avalonbay Communities Inc. 0.06% 11,663 $2.3M Add +393.6%
SLDE Slide Insurance Holdings Inc. 0.05% 137,485 $2.2M Reduce -65.6%
EOLS Evolus Inc. 0.05% 330,000 $2.0M Reduce -47.6%
KLAR Klarna Group PLC 0.04% 50,000 $1.8M New
OPAL Opal Fuels Inc. Class A 0.04% 823,055 $1.8M Reduce -24.3%
MRK Merck & Co. Inc. 0.04% 20,000 $1.7M New
SLNO Soleno Therapeutics Inc. 0.04% 24,600 $1.7M Reduce -79.6%
HUT Hut 8 Corp. 0.04% 47,500 $1.7M New
ERH Allspring Utilities and High 0.04% 128,803 $1.6M No change
EQIX Equinix Inc. 0.04% 2,004 $1.6M Add +82.2%
CUBE Cubesmart 0.04% 37,934 $1.5M Add +2054.1%
SPG Simon Property Group Inc. 0.03% 7,503 $1.4M Reduce -65.8%
SNPS Synopsys Inc. 0.02% 1,650 $814K New
PLD Prologis Inc. 0.02% 7,070 $810K New
NTSK Netskope Inc. Class A 0.02% 35,000 $796K New
HTFL Heartflow Inc. 0.02% 20,000 $673K New
CARL Carlsmed Inc. 0.02% 50,000 $670K New
MIAX Miami International Holdings 0.01% 15,000 $604K New
GEMI Gemini Space Station Inc. Class A 0.01% 25,000 $599K New
DLR Digital Realty Trust Inc. 0.01% 2,400 $415K Reduce -85.0%
ADC Agree Realty Corp. 0.01% 5,416 $385K Add +62.5%
DPG Duff & Phelps Utility & Inc. 0.01% 28,000 $361K New
VMRK Vivmark Residential filed as EQUITY RESIDENTIAL 0.01% 4,376 $283K Reduce -31.8%
KRG Kite Realty Group Trust 0.01% 12,614 $281K Reduce -9.3%
FIG Figma Inc. Class A 0.01% 5,000 $259K New
BRCB Black Rock Coffee Bar Inc. Class A 0.01% 10,000 $239K New

Options reported separately and not counted above: PCG calls ($296.9M), NI calls ($43.3M), ES puts ($35.6M), WEC puts ($28.6M), EVRG puts ($21.9M), PEG puts ($18.8M), HESM calls ($17.3M), GSK puts ($17.3M), NEE calls ($15.1M), DUK calls ($12.4M), LLY calls ($9.5M), MRK puts ($8.4M), and 3 more.

Portfolio Sells Q2 2025 → Q3 2025

AEP American Electric Power Reduce -64.9% 2.47% −3.60
VNOM Viper Energy Inc. Sold out 0.00% −2.13
EVRG Evergy Inc. Sold out 0.00% −1.48
RYAN Ryan Specialty Holdings Inc. Reduce -71.4% 0.50% −1.46
CHWY Chewy Inc. Class A Reduce -94.7% 0.08% −1.39
ETR Entergy Corp. Sold out 0.00% −1.33
KTOS Kratos Defense & Security Sold out 0.00% −1.30
SRE Sempra Reduce -50.1% 1.88% −1.10
ZWS Zurn Elkay Water Solutions C Sold out 0.00% −1.00
HE Hawaiian Electric Inds Sold out 0.00% −0.93
CNP Centerpoint Energy Inc. Reduce -34.8% 2.57% −0.93
CRH CRH PLC Reduce -90.0% 0.12% −0.73
KGS Kodiak Gas Services Inc. Reduce -31.7% 2.65% −0.72
WMS Advanced Drainage Systems Inc. Sold out 0.00% −0.71
PNW Pinnacle West Capital Reduce -70.3% 0.33% −0.70
FANG Diamondback Energy Inc. Sold out 0.00% −0.63
DUK Duke Energy Corp. Reduce -38.2% 1.38% −0.61
KVYO Klaviyo Inc. Class A Sold out 0.00% −0.55
XEL Xcel Energy Inc. Reduce -28.3% 4.83% −0.50
KNTK Kinetik Holdings Inc. Sold out 0.00% −0.44
HTO H2O America Reduce -73.0% 0.15% −0.40
CAT Caterpillar Inc. Sold out 0.00% −0.39
SNY Sanofi-ADR Sold out 0.00% −0.38
PCG P G & E Corp. Reduce -23.1% 2.92% −0.37
TEVA Teva Pharmaceutical-SP ADR Sold out 0.00% −0.36
NSC Norfolk Southern Corp. Sold out 0.00% −0.35
CRCL Circle Internet Group Inc. Sold out 0.00% −0.33
VVX V2X Inc. Sold out 0.00% −0.33
HESM Hess Midstream LP Class A Reduce -32.7% 0.51% −0.28
PFE Pfizer Inc. Sold out 0.00% −0.28
MRX Marex UK Holdings Ltd. Sold out 0.00% −0.27
NVT Nvent Electric PLC Reduce -63.6% 0.27% −0.24
MGA Magna International Inc. Sold out 0.00% −0.24
SR Spire Inc. Sold out 0.00% −0.24
FCPT Four Corners Property Trust Reduce -67.0% 0.10% −0.22
TTAM Titan America SA Reduce -48.3% 0.42% −0.22
TOL Toll Brothers Inc. Sold out 0.00% −0.21
ED Consolidated Edison Inc. Sold out 0.00% −0.21
SLNO Soleno Therapeutics Inc. Reduce -79.6% 0.04% −0.19
FTAI Ftai Aviation Ltd. Sold out 0.00% −0.18
GEV GE Vernova Inc. Sold out 0.00% −0.17
OKE Oneok Inc. Reduce -37.1% 0.25% −0.16
WHR Whirlpool Corp. Sold out 0.00% −0.15
WTRG Essential Utilities Inc. Sold out 0.00% −0.15
CPK Chesapeake Utilities Corp. Reduce -50.6% 0.21% −0.15
HUDSON PAC PPTYS INC Sold out 0.00% −0.15
SLDE Slide Insurance Holdings Inc. Reduce -65.6% 0.05% −0.15
FLS Flowserve Corp. Sold out 0.00% −0.14
PBA Pembina Pipeline Corp. Sold out 0.00% −0.14
LNT Alliant Energy Corp. Sold out 0.00% −0.14

Portfolio Buys Q2 2025 → Q3 2025

NI Nisource Inc. Add +2040.7% 6.23% +5.97
KMI Kinder Morgan Inc. Add +177.8% 4.20% +2.73
IDA Idacorp Inc. New 1.74% +1.74
VNOM Viper Energy Inc. Class A New 1.72% +1.72
BKH Black Hills Corp. Add +2100.0% 1.66% +1.59
ADT Adt Inc. Add +164.8% 1.72% +1.13
LTM Latam Airlines Group SA-ADR New 0.91% +0.91
CTRE Caretrust REIT Inc. Add +140.8% 1.35% +0.88
CNM Core & Main Inc. Class A New 0.85% +0.85
CMS CMS Energy Corp. Add +129.8% 1.24% +0.76
RIG Transocean Ltd. New 0.74% +0.74
NEE Nextera Energy Inc. Add +135.6% 0.99% +0.63
QXO Qxo Inc. Add +313.7% 0.84% +0.63
TDG Transdigm Group Inc. Add +103.2% 1.22% +0.57
SFD Smithfield Foods Inc. Add +96.4% 1.05% +0.55
KVUE Kenvue Inc. New 0.54% +0.54
SOLV Solventum Corp. New 0.49% +0.49
CWST Casella Waste Systems Inc. Class A Add +149.2% 0.86% +0.47
TRGP Targa Resources Corp. Add +6.5% 5.43% +0.46
LGN Legence Corp. Class A New 0.45% +0.45
AMRZ Amrize Ltd. New 0.39% +0.39
CTRI Centuri Holdings Inc. New 0.37% +0.37
SARO Standardaero Inc. Add +129.9% 0.67% +0.35
WBI Waterbridge Infrastruc Class A New 0.34% +0.34
SPXC SPX Technologies Inc. New 0.32% +0.32
ABBV Abbvie Inc. New 0.31% +0.31
NIQ Niq Global Intelligence PLC New 0.27% +0.27
FLY Firefly Aerospace Inc. New 0.24% +0.24
JRVR James River Group Holdings I Add +53.8% 0.62% +0.22
AR Antero Resources Corp. New 0.22% +0.22
CPAY Corpay Inc. Add +54.9% 0.71% +0.21
AZN Astrazeneca PLC-Spons ADR New 0.20% +0.20
BRO Brown & Brown Inc. Add +209.5% 0.29% +0.18
BLSH Bullish New 0.17% +0.17
WLK Westlake Corp. New 0.17% +0.17
CSW CSW Industrials Inc. Add +100.0% 0.36% +0.16
ARIS WATER SOLUTIONS INC-A New 0.15% +0.15
LPX Louisiana-Pacific Corp. New 0.14% +0.14
NTST Netstreit Corp. New 0.13% +0.13
JHX James Hardie Ind PLC New 0.13% +0.13
MIR Mirion Technologies Inc. New 0.11% +0.11
BLDR Builders Firstsource Inc. Add +82.5% 0.22% +0.11
AQN Algonquin Power & Utilities New 0.11% +0.11
INCY Incyte Corp. New 0.10% +0.10
SMA Smartstop Self Storage REIT Add +1.7% 0.78% +0.09
LOAR Loar Holdings Inc. Add +52.9% 0.25% +0.09
APD Air Products & Chemicals Inc. Add +13.6% 0.50% +0.07
LNG Cheniere Energy Inc. New 0.07% +0.07
CARR Carrier Global Corp. Add +54.5% 0.25% +0.06
FIGR Figure Technology Solut Class A New 0.06% +0.06

Options Activity Q2 2025 → Q3 2025

PCG P G & E Corp. call Add +90.9% 10,500,000 $296.9M
NI Nisource Inc. call New 1,000,000 $43.3M
ES Eversource Energy put New 500,000 $35.6M
WEC WEC Energy Group Inc. put New 250,000 $28.6M
EIX Edison International call Sold out 500,000 $25.8Mbefore exit
EVRG Evergy Inc. put New 287,500 $21.9M
XEL Xcel Energy Inc. call Sold out 300,000 $20.4Mbefore exit
PEG Public Service Enterprise GP put New 225,000 $18.8M
LNG Cheniere Energy Inc. call Sold out 75,000 $18.3Mbefore exit
HESM Hess Midstream LP Class A call New 500,000 $17.3M
GSK GSK PLC-Spon ADR put New 400,000 $17.3M
NEE Nextera Energy Inc. call Reduce -55.6% 200,000 $15.1M
AEP American Electric Power call Sold out 125,000 $13.0Mbefore exit
DUK Duke Energy Corp. call New 100,000 $12.4M
FE Firstenergy Corp. call Sold out 250,000 $10.1Mbefore exit
LLY Eli Lilly & Co. call New 12,500 $9.5M
MRK Merck & Co. Inc. put New 100,000 $8.4M
BMY Bristol-Myers Squibb Co. call New 175,000 $7.9M
ES Eversource Energy call Sold out 100,000 $6.4Mbefore exit
KGS Kodiak Gas Services Inc. call Sold out 175,000 $6.0Mbefore exit
KTOS Kratos Defense & Security call Sold out 125,000 $5.8Mbefore exit
KD Kyndryl Holdings Inc. call Sold out 125,000 $5.2Mbefore exit
VNOM Viper Energy Inc. call Sold out 125,000 $4.8Mbefore exit
OKE Oneok Inc. call Sold out 50,000 $4.1Mbefore exit
WMB Williams Cos Inc. put New 50,000 $3.2M
SFD Smithfield Foods Inc. call Sold out 125,000 $2.9Mbefore exit
VG Venture Global Inc. Class A put New 150,000 $2.1M

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