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Hedge fund

Zimmer Partners, LP

13F for June 30, 2026, filed August 14, 2026 · SEC CIK 1565854

Reported value
$4.2bn
99% in companies we cover
Positions we cover
107
Largest WELL 6.0%
Copy, a year
+12.3%
S&P 500 +14.1%
Copy Sharpe ratio
0.62
S&P 500 0.78

How copying its 13F would have done

$10.0k$20.0k$40.0k 2013201520172019202120232025 $57.0k$46.4k
CopyS&P 500 $10,000 copying Zimmer Partners, LP's filed holdings in companies we cover from August 16, 2013, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −39.6% (S&P 500 −31.8%); beta 0.83; alpha +0.9% a year (t = 0.26); last 12 months +7.1% against +12.1%.

Reported value by quarter

Zimmer Partners, LP: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).
$0 $2T $4T $6T Reported value, 2013-06-30: $313.4M Reported value, 2013-09-30: $466.7M Reported value, 2013-12-31: $588.8M Reported value, 2014-03-31: $636.1M Reported value, 2014-06-30: $987.5M Reported value, 2014-09-30: $977.2M Reported value, 2014-12-31: $1.1B Reported value, 2015-03-31: $1.5B Reported value, 2015-06-30: $1.6B Reported value, 2015-09-30: $1.2B Reported value, 2015-12-31: $1.3B Reported value, 2016-03-31: $2.4B Reported value, 2016-06-30: $3.3B Reported value, 2016-09-30: $3.6B Reported value, 2016-12-31: $3.2B Reported value, 2017-03-31: $3.9B Reported value, 2017-06-30: $4.1B Reported value, 2017-09-30: $4.5B Reported value, 2017-12-31: $4.1B Reported value, 2018-03-31: $5.5B Reported value, 2018-06-30: $7.3B Reported value, 2018-09-30: $7.5B Reported value, 2018-12-31: $7.3B Reported value, 2019-03-31: $8.4B Reported value, 2019-06-30: $9.4B Reported value, 2019-09-30: $9.2B Reported value, 2019-12-31: $7.2B Reported value, 2020-03-31: $4.4B Reported value, 2020-06-30: $7B Reported value, 2020-09-30: $6.3B Reported value, 2020-12-31: $6.8B Reported value, 2021-03-31: $7.2B Reported value, 2021-06-30: $7.2B Reported value, 2021-09-30: $6.3B Reported value, 2021-12-31: $6.7B Reported value, 2022-03-31: $6.9B Reported value, 2022-06-30: $4.7B Reported value, 2022-09-30: $4.5B Reported value, 2022-12-31: $5T Reported value, 2023-03-31: $4.9B Reported value, 2023-06-30: $4B Reported value, 2023-09-30: $3.8B Reported value, 2023-12-31: $2.7B Reported value, 2024-03-31: $4.6B Reported value, 2024-06-30: $5.2B Reported value, 2024-09-30: $5.3B Reported value, 2024-12-31: $5.8B Reported value, 2025-03-31: $4.9B Reported value, 2025-06-30: $4.4B Reported value, 2025-09-30: $4.1B Reported value, 2025-12-31: $3.8B Reported value, 2026-03-31: $3.9B Reported value, 2026-06-30: $4.2B 2013-06-30 2016-03-31 2018-12-31 2021-09-30 2026-06-30 $4.2B
View chart data
Period Reported value
2013-06-30 $313.4M
2013-09-30 $466.7M
2013-12-31 $588.8M
2014-03-31 $636.1M
2014-06-30 $987.5M
2014-09-30 $977.2M
2014-12-31 $1.1B
2015-03-31 $1.5B
2015-06-30 $1.6B
2015-09-30 $1.2B
2015-12-31 $1.3B
2016-03-31 $2.4B
2016-06-30 $3.3B
2016-09-30 $3.6B
2016-12-31 $3.2B
2017-03-31 $3.9B
2017-06-30 $4.1B
2017-09-30 $4.5B
2017-12-31 $4.1B
2018-03-31 $5.5B
2018-06-30 $7.3B
2018-09-30 $7.5B
2018-12-31 $7.3B
2019-03-31 $8.4B
2019-06-30 $9.4B
2019-09-30 $9.2B
2019-12-31 $7.2B
2020-03-31 $4.4B
2020-06-30 $7B
2020-09-30 $6.3B
2020-12-31 $6.8B
2021-03-31 $7.2B
2021-06-30 $7.2B
2021-09-30 $6.3B
2021-12-31 $6.7B
2022-03-31 $6.9B
2022-06-30 $4.7B
2022-09-30 $4.5B
2022-12-31 $5T
2023-03-31 $4.9B
2023-06-30 $4B
2023-09-30 $3.8B
2023-12-31 $2.7B
2024-03-31 $4.6B
2024-06-30 $5.2B
2024-09-30 $5.3B
2024-12-31 $5.8B
2025-03-31 $4.9B
2025-06-30 $4.4B
2025-09-30 $4.1B
2025-12-31 $3.8B
2026-03-31 $3.9B
2026-06-30 $4.2B

Latest covered holdings and moves

Covered holdings as of June 30, 2026.

CompanyShare of portfolioValueSharesChange in shares
WELLWelltower6.03%$255.1m1.12M+0.4%
NINiSource4.81%$203.4m4.28M−16.8% Reduced
ESEversource Energy4.60%$194.5m2.69M−19.5% Reduced
KGSKodiak Gas Services, Inc.4.50%$190.1m2.53M+6.3% Added
XELXcel Energy4.41%$186.6m2.32M−11.6% Reduced
TRGPTarga Resources4.15%$175.5m654.5K−17.7% Reduced
PCGPG&E Corporation3.93%$166.3m9.88M+54.0% Added
MAIRMadison Air Solutions Corp3.83%$161.9m4.15MNew
PPLPPL Corporation3.37%$142.6m3.92MNew
KMIKinder Morgan3.36%$142.1m4.45M−22.5% Reduced
ADCAgree Realty Corp3.30%$139.6m1.84M−44.1% Reduced
FPSForgent Power Solutions, Inc.3.00%$126.9m2.27M+16.4% Added
LNGCheniere Energy, Inc.2.65%$112.1m469.0K+752.7% Added
SRESempra2.01%$85.2m918.8K+31.3% Added
MGEEMGE Energy Inc1.93%$81.5m1.00MNew
IDAIdacorp Inc1.65%$69.7m460.6K−36.4% Reduced
JANJanus Living, Inc.1.46%$61.8m2.15M+273.9% Added
PHParker Hannifin1.42%$60.2m61.5K+146.0% Added
CTRECaretrust Reit, Inc.1.40%$59.4m1.47M−1.0% Reduced
GEVGE Vernova1.22%$51.7m44.0K+486.7% Added
ETREntergy1.22%$51.7m450.0K−51.5% Reduced
WMWaste Management1.19%$50.1m225.0K+95.7% Added
AZOAutoZone1.15%$48.4m15.2K+203.0% Added
BKVBKV Corp1.08%$45.8m1.67M−14.0% Reduced
CNMCore & Main, Inc.1.06%$45.0m933.4K+117.1% Added
NHPNational Healthcare Properties, Inc.1.05%$44.4m3.03MNew
YORWYork Water Co1.03%$43.5m1.42M+93.8% Added
DLRDigital Realty1.01%$42.7m237.5KNew
MODModine Manufacturing Co1.00%$42.4m158.8KNew
KNTKKinetik Holdings Inc.0.96%$40.5m838.0K+529.4% Added
HESMHess Midstream LP0.89%$37.5m997.6K+232.8% Added
DVNDevon Energy0.86%$36.4m880.9KNew
MTZMastec Inc0.84%$35.4m85.0KNew
CRHCRH plc0.83%$35.3m330.0K−17.5% Reduced
HTOH2o America0.74%$31.2m513.5K−48.7% Reduced
AHRAmerican Healthcare Reit, Inc.0.70%$29.5m565.4KNew
ROLRollins, Inc.0.69%$29.2m700.0K+366.7% Added
PNRPentair0.68%$28.7m375.0K+87.5% Added
SAROStandardaero, Inc.0.66%$27.8m930.2K+9.4% Added
EROCErock, Inc.0.65%$27.4m1.89MNew
RYANRyan Specialty Holdings, Inc.0.65%$27.4m725.0K−17.1% Reduced
GPCGenuine Parts Company0.63%$26.5m225.0K+80.0% Added
ITTITT Inc.0.61%$25.7m130.0K+160.0% Added
GNRCGenerac0.60%$25.3m86.3K+58.1% Added
FRVOFervo Energy Co0.58%$24.7m845.0KNew
USARUSA Rare Earth, Inc.0.58%$24.4m1.13M−1.7% Reduced
CMICummins0.57%$24.3m34.1K+36.4% Added
BLDRBuilders Firstsource, Inc.0.56%$23.5m262.5K−21.1% Reduced
PNWPinnacle West Capital0.55%$23.3m217.6K−56.5% Reduced
XEX-energy, Inc.0.54%$22.9m1.24MNew
EMEEmcor0.54%$22.8m27.5K−21.4% Reduced
LGNLegence Corp.0.50%$21.1m247.5KNew
SYYSysco0.49%$20.9m250.0K+212.5% Added
JRVRJames River Group Holdings, Inc.0.48%$20.3m4.62M+0.7% Added
WULFTerawulf Inc.0.46%$19.5m789.0K+502.3% Added
CPAYCorpay0.40%$16.9m50.7K−9.5% Reduced
LOARLoar Holdings Inc.0.38%$16.1m200.0K−65.1% Reduced
PRIMPrimoris Services Corp0.37%$15.8m159.5KNew
VRTVertiv0.36%$15.1m45.0KNew
ETNEaton Corporation0.35%$14.9m35.0KNew
VGVenture Global, Inc.0.35%$14.6m1.31MNew
BKHBlack Hills Corp0.34%$14.4m193.5K−73.9% Reduced
SMASmartstop Self Storage Reit, Inc.0.34%$14.2m437.5K−27.1% Reduced
ARAntero Resources Corp0.33%$14.1m400.0K+88.2% Added
PRMBPrimo Brands Corp0.33%$14.1m575.0K−19.8% Reduced
HUTHut 8 Corp.0.33%$14.0m121.4K−55.9% Reduced
GEGE Aerospace0.31%$13.1m35.0K−73.1% Reduced
GPORGulfport Energy Corp0.30%$12.9m76.0KNew
VNOMViper Energy, Inc.0.30%$12.7m300.0K−61.0% Reduced
DPCDPC Holdings PLC0.29%$12.3m250.0KNew
ARXSArxis, Inc.0.27%$11.5m250.0KNew
CRCrane Co0.26%$11.2m50.0K−41.2% Reduced
MSEXMiddlesex Water Co0.23%$9.9m176.9K0.0%
NEENextEra Energy0.23%$9.6m109.7KNew
SWXSouthwest Gas Holdings, Inc.0.23%$9.6m108.2K−82.2% Reduced
FCXFreeport-McMoRan0.22%$9.4m150.0K−36.8% Reduced
QXOQXO, Inc.0.22%$9.2m530.0K−66.4% Reduced
MSFTMicrosoft Corporation0.19%$8.0m21.5K0.0%
TDGTransDigm Group0.19%$7.9m6.0K−76.2% Reduced
VRTSVirtus Investment Partners, Inc.0.17%$7.3m50.7K−39.7% Reduced
STCStewart Information Services Corp0.17%$7.2m109.6K−55.4% Reduced
NTSTNetstreit Corp.0.16%$6.7m315.5K0.0%
FOXAFox Corporation (Class A)0.15%$6.4m122.5KNew
ELDNEledon Pharmaceuticals, Inc.0.15%$6.3m1.60M−14.8% Reduced
AIVApartment Investment & Management Co0.14%$6.0m2.03M0.0%
SPCXSpace Exploration Technologies Corp0.14%$6.0m35.0KNew
BXPBXP, Inc.0.14%$5.8m87.5KNew
EXRExtra Space Storage0.12%$5.2m36.0KNew
DUKDuke Energy0.11%$4.7m37.5K−91.4% Reduced
QNTQuantinuum Inc.0.11%$4.7m58.0KNew
FCPTFour Corners Property Trust, Inc.0.11%$4.5m185.1K0.0%
CDNLCardinal Infrastructure Group Inc.0.09%$3.8m40.0KNew
XRNChiron Real Estate Inc.0.08%$3.3m87.5KNew
CUBECubesmart0.06%$2.7m67.5K0.0%
DOCHealthpeak Properties0.06%$2.7m125.0K−7.6% Reduced
CPTCamden Property Trust0.06%$2.6m22.5KNew
SUISUN Communities Inc0.06%$2.5m20.5KNew
VNOVornado Realty Trust0.05%$2.2m55.0KNew
AVEXAevex Corp.0.05%$2.1m100.0KNew
AVLNAvalyn Pharma Inc.0.05%$2.1m62.5KNew
RIOTRiot Platforms, Inc.0.04%$1.9m68.5KNew
NEXTNextdecade Corp0.04%$1.7m228.5K+7.5% Added
WHRWhirlpool Corp0.03%$1.3m32.5K−92.5% Reduced
MANEVeradermics, Inc0.03%$1.1m8.9KNew
AEROGrupo Aeromexico, S.a.b. De C.v.0.03%$1.1m60.0K−95.1% Reduced
HAWKHawkeye 360, Inc.0.01%$303,30015.0KNew
SPTXSeaport Therapeutics, Inc.0.01%$217,20010.0KNew
CompanyBought (value)Shares
MAIRMadison Air Solutions Corp$161.9m4.15M
PPLPPL Corporation$142.6m3.92M
LNGCheniere Energy, Inc.$99.0m414.0K
MGEEMGE Energy Inc$81.5m1.00M
PCGPG&E Corporation$58.3m3.46M
JANJanus Living, Inc.$45.3m1.57M
NHPNational Healthcare Properties, Inc.$44.4m3.03M
GEVGE Vernova$42.9m36.5K
DLRDigital Realty$42.7m237.5K
MODModine Manufacturing Co$42.4m158.8K
DVNDevon Energy$36.4m880.9K
PHParker Hannifin$35.7m36.5K
MTZMastec Inc$35.4m85.0K
KNTKKinetik Holdings Inc.$34.1m704.9K
AZOAutoZone$32.4m10.2K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanySold (value)Shares
ADCAgree Realty Corp−$110.1m−1.45M
WECWEC Energy Group−$96.5m−833.8K
TXNMTxnm Energy Inc−$89.6m−1.53M
KTOSKratos Defense & Security Solutions, Inc.−$55.2m−783.1K
ETREntergy−$55.0m−478.6K
DUKDuke Energy−$50.7m−400.4K
ESEversource Energy−$47.0m−650.9K
SWXSouthwest Gas Holdings, Inc.−$44.2m−498.8K
KMIKinder Morgan−$41.2m−1.29M
NINiSource−$41.2m−865.7K
BKHBlack Hills Corp−$40.7m−547.5K
IDAIdacorp Inc−$39.8m−263.1K
TRGPTarga Resources−$37.7m−140.4K
GEGE Aerospace−$35.5m−95.0K
DDominion Energy−$30.9m−500.0K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanyValue last quarterShares
WECWEC Energy Group$96.5m833.8K
TXNMTxnm Energy Inc$89.6m1.53M
KTOSKratos Defense & Security Solutions, Inc.$55.2m783.1K
DDominion Energy$30.9m500.0K
VSECVSE Corp$29.6m160.5K
APHAmphenol$29.3m231.5K
NVTnVent Electric plc$27.9m235.5K
ALHAlliance Laundry Holdings Inc.$23.7m1.15M
CWSTCasella Waste Systems Inc$20.4m257.7K
CNPCenterPoint Energy$19.1m443.5K
SMSM Energy Co$16.6m532.5K
POOLPool Corp$14.2m70.0K
CARRCarrier Global$13.0m230.0K
CATCaterpillar Inc.$11.9m16.8K
WBIWaterbridge Infrastructure LLC$8.6m320.0K
VVXV2x, Inc.$8.6m125.0K
PWRQuanta Services$8.2m15.0K
EQPTEquipmentshare.com Inc$8.2m401.5K
EMAEmera Inc$7.8m150.4K
INVXInnovex International, Inc.$7.3m297.4K
ALMAlmonty Industries Inc.$6.9m475.0K
FVRFrontview Reit, Inc.$6.6m424.2K
AVAHAveanna Healthcare Holdings, Inc.$4.9m762.1K
BOWBowhead Specialty Holdings Inc.$4.7m209.8K
TBNTamboran Resources Corp$4.6m91.5K
PACSPacs Group, Inc.$4.5m140.0K
TTAMTitan America SA$4.0m266.1K
AAONAAON, Inc.$3.7m45.0K
KRMNKarman Holdings Inc.$3.2m40.0K
LMRILumexa Imaging Holdings, Inc.$2.6m300.0K
  • Utilities32.2%
  • Industrials23.7%
  • Energy19.9%
  • Real Estate16.5%
  • Financials1.9%
  • Consumer Discretionary1.8%
  • Materials1.6%
  • Technology1.1%
  • Consumer Staples0.8%
  • Health Care0.2%
  • Communication Services0.2%

Share of the value held in companies we cover, by sector.

PeriodCopy, a yearS&P 500SharpeS&P 500Biggest dropBeta
Whole backtestAugust 16, 2013 to November 2, 2026+12.3%+14.1%0.620.78−39.6%0.83
2018 onwardsJanuary 5, 2018 to November 2, 2026+10.1%+13.9%0.440.66−39.6%0.85
Last three yearsNovember 3, 2023 to November 2, 2026+17.8%+21.8%0.991.16−12.2%0.38
Last yearNovember 7, 2025 to November 2, 2026+6.8%+14.2%0.280.84−12.2%0.13

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.