# EDGAR Filing Document

**Accession Number:** 0001565854
**File Stem:** 0001565854-26-000001
**Filing Date:** 2026-2
**Character Count:** 15523
**Document Hash:** 38c14e3fb91e000175891621694fb0e8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001565854-26-000001.hdr.sgml**: 20260217

**ACCESSION NUMBER**: 0001565854-26-000001

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260217

**DATE AS OF CHANGE**: 20260217

**EFFECTIVENESS DATE**: 20260217

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Zimmer Partners, LP
- **CENTRAL INDEX KEY:** 0001565854

**ORGANIZATION NAME:**
- **EIN:** 900883937
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-15382
- **FILM NUMBER:** 26640972

**BUSINESS ADDRESS:**
- **STREET 1:** 9 WEST 57TH STREET
- **STREET 2:** 33RD FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10019
- **BUSINESS PHONE:** 212.440.0770

**MAIL ADDRESS:**
- **STREET 1:** 9 WEST 57TH STREET
- **STREET 2:** 33RD FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10019

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2025

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** Zimmer Partners LP<br>**Address:** 9 WEST 57TH STREET<br>33RD FLOOR<br>NEW YORK, NY 10019

**Form 13F File Number:** 028-15382

**CRD Number (if applicable):** 000165684

**SEC File Number (if applicable):** 801-77360

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Jelena Napolitano<br>**Title:** General Counsel<br>**Phone:** 212.710.4311

**Signature, Place, and Date of Signing:**

/s/Jelena Napolitano  New York, NY  02-17-2026<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 119

**Form 13F Information Table Value Total:** $3795139753

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| AAR CORP | COM | 000361105 |  | 14074300 | 170000 | SH |  | SOLE |  | 170000 | 0 | 0 |
| ADT INC DEL | COM | 00090Q103 |  | 99787535 | 12365246 | SH |  | SOLE |  | 12365246 | 0 | 0 |
| AIR PRODS  CHEMS INC | COM | 009158106 |  | 24702000 | 100000 | SH |  | SOLE |  | 100000 | 0 | 0 |
| ALLIANCE LAUNDRY HLDGS INC | COM | 01862Q107 |  | 19332500 | 950000 | SH |  | SOLE |  | 950000 | 0 | 0 |
| ALLSPRING UTILITIES AND HIGH | WF UTILITIES INC | 94987E109 |  | 1522451 | 128803 | SH |  | SOLE |  | 128803 | 0 | 0 |
| AMEREN CORP | COM | 023608102 |  | 71294548 | 713945 | SH |  | SOLE |  | 713945 | 0 | 0 |
| AMERICAN TOWER CORP NEW | COM | 03027X100 |  | 4038 | 23 | SH |  | SOLE |  | 23 | 0 | 0 |
| AMRIZE LTD | SHS | H2927K103 |  | 19793280 | 366000 | SH |  | SOLE |  | 366000 | 0 | 0 |
| ANTERO RESOURCES CORP | COM | 03674X106 |  | 9786640 | 284000 | SH |  | SOLE |  | 284000 | 0 | 0 |
| AUTOZONE INC | COM | 053332102 |  | 47481000 | 14000 | SH |  | SOLE |  | 14000 | 0 | 0 |
| AVALONBAY CMNTYS INC | COM | 053484101 |  | 1771217 | 9769 | SH |  | SOLE |  | 9769 | 0 | 0 |
| AVEANNA HEALTHCARE HLDGS INC | COM | 05356F105 |  | 6188775 | 757500 | SH |  | SOLE |  | 757500 | 0 | 0 |
| BCE INC | COM NEW | 05534B760 |  | 2529 | 106 | SH |  | SOLE |  | 106 | 0 | 0 |
| BETA TECHNOLOGIES INC | COM SHS CL A | 086921103 |  | 2115750 | 75000 | SH |  | SOLE |  | 75000 | 0 | 0 |
| BKV CORP | COM | 05603J108 |  | 13547850 | 499000 | SH |  | SOLE |  | 499000 | 0 | 0 |
| BLACK HILLS CORP | COM | 092113109 |  | 19162280 | 276034 | SH |  | SOLE |  | 276034 | 0 | 0 |
| BOWHEAD SPECIALTY HLDGS INC | COM SHS | 10240L102 |  | 6136100 | 215000 | SH |  | SOLE |  | 215000 | 0 | 0 |
| BUILDERS FIRSTSOURCE INC | COM | 12008R107 |  | 17748525 | 172500 | SH |  | SOLE |  | 172500 | 0 | 0 |
| BULLISH | ORD SHS | G16910120 |  | 4165700 | 110000 | SH |  | SOLE |  | 110000 | 0 | 0 |
| CALIFORNIA WTR SVC GROUP | COM | 130788102 |  | 1668205 | 38500 | SH |  | SOLE |  | 38500 | 0 | 0 |
| CARETRUST REIT INC | COM | 14174T107 |  | 63706507 | 1761795 | SH |  | SOLE |  | 1761795 | 0 | 0 |
| CARRIER GLOBAL CORPORATION | COM | 14448C104 |  | 20475500 | 387500 | SH |  | SOLE |  | 387500 | 0 | 0 |
| CASELLA WASTE SYS INC | CL A | 147448104 |  | 1488100 | 15194 | SH |  | SOLE |  | 15194 | 0 | 0 |
| CATERPILLAR INC | COM | 149123101 |  | 7561884 | 13200 | SH |  | SOLE |  | 13200 | 0 | 0 |
| CENTERPOINT ENERGY INC | COM | 15189T107 |  | 38535534 | 1005100 | SH |  | SOLE |  | 1005100 | 0 | 0 |
| CHENIERE ENERGY INC | COM NEW | 16411R208 |  | 60105388 | 309200 | SH |  | SOLE |  | 309200 | 0 | 0 |
| CHESAPEAKE UTILS CORP | COM | 165303108 |  | 2495200 | 20000 | SH |  | SOLE |  | 20000 | 0 | 0 |
| CMS ENERGY CORP | COM | 125896100 |  | 51923025 | 742500 | SH |  | SOLE |  | 742500 | 0 | 0 |
| CONSTRUCTION PARTNERS INC | COM CL A | 21044C107 |  | 13026000 | 120000 | SH |  | SOLE |  | 120000 | 0 | 0 |
| CORE  MAIN INC | CL A | 21874C102 |  | 10394000 | 200000 | SH |  | SOLE |  | 200000 | 0 | 0 |
| CORPAY INC | COM SHS | 219948106 |  | 15648360 | 52000 | SH |  | SOLE |  | 52000 | 0 | 0 |
| CRH PLC | ORD | G25508105 |  | 9984000 | 80000 | SH |  | SOLE |  | 80000 | 0 | 0 |
| CROWN CASTLE INC | COM | 22822V101 |  | 6488 | 73 | SH |  | SOLE |  | 73 | 0 | 0 |
| CUBESMART | COM | 229663109 |  | 2433375 | 67500 | SH |  | SOLE |  | 67500 | 0 | 0 |
| DISC MEDICINE INC | COM | 254604101 |  | 2183775 | 27500 | SH |  | SOLE |  | 27500 | 0 | 0 |
| DUFF  PHELPS UTLITY AND INF | COM | 26433C105 |  | 1057472 | 83200 | SH |  | SOLE |  | 83200 | 0 | 0 |
| DUKE ENERGY CORP NEW | COM NEW | 26441C204 |  | 75357708 | 642929 | SH |  | SOLE |  | 642929 | 0 | 0 |
| EATON CORP PLC | SHS | G29183103 |  | 43317360 | 136000 | SH |  | SOLE |  | 136000 | 0 | 0 |
| ELEDON PHARMACEUTICALS INC | COM | 28617K101 |  | 3600184 | 2384228 | SH |  | SOLE |  | 2384228 | 0 | 0 |
| EMCOR GROUP INC | COM | 29084Q100 |  | 10094535 | 16500 | SH |  | SOLE |  | 16500 | 0 | 0 |
| ENTERGY CORP NEW | COM | 29364G103 |  | 153616164 | 1661973 | SH |  | SOLE |  | 1661973 | 0 | 0 |
| EQUINIX INC | COM | 29444U700 |  | 959998 | 1253 | SH |  | SOLE |  | 1253 | 0 | 0 |
| ESSENTIAL UTILS INC | COM | 29670G102 |  | 3069 | 80 | SH |  | SOLE |  | 80 | 0 | 0 |
| EVERGY INC | COM | 30034W106 |  | 9967375 | 137500 | SH |  | SOLE |  | 137500 | 0 | 0 |
| EVERSOURCE ENERGY | COM | 30040W108 |  | 258816318 | 3843997 | SH |  | SOLE |  | 3843997 | 0 | 0 |
| EXZEO GROUP INC | COM SHS | 30234F101 |  | 1818750 | 75000 | SH |  | SOLE |  | 75000 | 0 | 0 |
| FIRSTENERGY CORP | COM | 337932107 |  | 2014650 | 45000 | SH |  | SOLE |  | 45000 | 0 | 0 |
| FOUR CORNERS PPTY TR INC | COM | 35086T109 |  | 4268222 | 185092 | SH |  | SOLE |  | 185092 | 0 | 0 |
| FRONTVIEW REIT INC | COM | 35922N100 |  | 13586359 | 920485 | SH |  | SOLE |  | 920485 | 0 | 0 |
| GAUZY LTD | SHS | M4757U106 |  | 749731 | 581187 | SH |  | SOLE |  | 581187 | 0 | 0 |
| GE AEROSPACE | COM NEW | 369604301 |  | 6160600 | 20000 | SH |  | SOLE |  | 20000 | 0 | 0 |
| GENUINE PARTS CO | COM | 372460105 |  | 9222000 | 75000 | SH |  | SOLE |  | 75000 | 0 | 0 |
| GRUPO AEROMEXICO SAB DE CV | SPONSORED ADS | 40054J109 |  | 23286384 | 1060400 | SH |  | SOLE |  | 1060400 | 0 | 0 |
| H2O AMERICA | COM | 784305104 |  | 2146546 | 43816 | SH |  | SOLE |  | 43816 | 0 | 0 |
| HESS MIDSTREAM LP | CL A SHS | 428103105 |  | 12133650 | 351700 | SH |  | SOLE |  | 351700 | 0 | 0 |
| HUT 8 CORP | COM | 44812J104 |  | 3330650 | 72500 | SH |  | SOLE |  | 72500 | 0 | 0 |
| IDACORP INC | COM | 451107106 |  | 101310268 | 800492 | SH |  | SOLE |  | 800492 | 0 | 0 |
| ITT INC | COM | 45073V108 |  | 24725175 | 142500 | SH |  | SOLE |  | 142500 | 0 | 0 |
| JAMES RIV GROUP HOLDINGS INC | COM SHS | 46990A102 |  | 29202818 | 4591638 | SH |  | SOLE |  | 4591638 | 0 | 0 |
| KARBON CAP PARTNERS CORP | UNIT 12/11/2030 | G5225W126 |  | 8052000 | 800000 | SH |  | SOLE |  | 800000 | 0 | 0 |
| KAYNE ANDERSON ENERGY INFRST | COM | 486606106 |  | 6867186 | 554700 | SH |  | SOLE |  | 554700 | 0 | 0 |
| KENVUE INC | COM | 49177J102 |  | 6468750 | 375000 | SH |  | SOLE |  | 375000 | 0 | 0 |
| KINDER MORGAN INC DEL | COM | 49456B101 |  | 110394342 | 4015800 | SH |  | SOLE |  | 4015800 | 0 | 0 |
| KINETIK HOLDINGS INC | COM NEW CL A | 02215L209 |  | 98611170 | 2735400 | SH |  | SOLE |  | 2735400 | 0 | 0 |
| KODIAK GAS SVCS INC | COM | 50012A108 |  | 159756082 | 4271553 | SH |  | SOLE |  | 4271553 | 0 | 0 |
| KRATOS DEFENSE  SEC SOLUTIO | COM NEW | 50077B207 |  | 6831900 | 90000 | SH |  | SOLE |  | 90000 | 0 | 0 |
| KYNDRYL HLDGS INC | COMMON STOCK | 50155Q100 |  | 59155840 | 2227253 | SH |  | SOLE |  | 2227253 | 0 | 0 |
| LOAR HOLDINGS INC | COM SHS | 53947R105 |  | 18700000 | 275000 | SH |  | SOLE |  | 275000 | 0 | 0 |
| LUMEXA IMAGING HOLDINGS INC | COM | 550249106 |  | 11285000 | 610000 | SH |  | SOLE |  | 610000 | 0 | 0 |
| MEDLINE INC | COM CL A | 58507V107 |  | 6705720 | 159660 | SH |  | SOLE |  | 159660 | 0 | 0 |
| MICROSOFT CORP | COM | 594918104 |  | 9672400 | 20000 | SH |  | SOLE |  | 20000 | 0 | 0 |
| MIDDLESEX WTR CO | COM | 596680108 |  | 9259986 | 183657 | SH |  | SOLE |  | 183657 | 0 | 0 |
| MINERALYS THERAPEUTICS INC | COM | 603170101 |  | 2086675 | 57500 | SH |  | SOLE |  | 57500 | 0 | 0 |
| MODINE MFG CO | COM | 607828100 |  | 8344375 | 62500 | SH |  | SOLE |  | 62500 | 0 | 0 |
| NEPTUNE INS HLDGS INC | CL A | 64073B103 |  | 3645000 | 125000 | SH |  | SOLE |  | 125000 | 0 | 0 |
| NETSTREIT CORP | COM | 64119V303 |  | 2478420 | 140500 | SH |  | SOLE |  | 140500 | 0 | 0 |
| NISOURCE INC | COM | 65473P105 |  | 161615376 | 3870100 | SH |  | SOLE |  | 3870100 | 0 | 0 |
| NVENT ELECTRIC PLC | SHS | G6700G107 |  | 38238750 | 375000 | SH |  | SOLE |  | 375000 | 0 | 0 |
| OGE ENERGY CORP | COM | 670837103 |  | 6960 | 163 | SH |  | SOLE |  | 163 | 0 | 0 |
| ONE GAS INC | COM | 68235P108 |  | 3863 | 50 | SH |  | SOLE |  | 50 | 0 | 0 |
| PACS GROUP INC | COM SHS | 69380Q107 |  | 11612975 | 302500 | SH |  | SOLE |  | 302500 | 0 | 0 |
| PARKER-HANNIFIN CORP | COM | 701094104 |  | 26368800 | 30000 | SH |  | SOLE |  | 30000 | 0 | 0 |
| PG CORP | COM | 69331C108 |  | 117114528 | 7287774 | SH |  | SOLE |  | 7287774 | 0 | 0 |
| PINNACLE WEST CAP CORP | COM | 723484101 |  | 12103559 | 136455 | SH |  | SOLE |  | 136455 | 0 | 0 |
| PRIMO BRANDS CORPORATION | CLASS A COM SHS | 741623102 |  | 18437143 | 1127654 | SH |  | SOLE |  | 1127654 | 0 | 0 |
| QUANTA SVCS INC | COM | 74762E102 |  | 36824735 | 87250 | SH |  | SOLE |  | 87250 | 0 | 0 |
| QXO INC | COM NEW | 82846H405 |  | 11574000 | 600000 | SH |  | SOLE |  | 600000 | 0 | 0 |
| RYAN SPECIALTY HOLDINGS INC | CL A | 78351F107 |  | 51630000 | 1000000 | SH |  | SOLE |  | 1000000 | 0 | 0 |
| SBA COMMUNICATIONS CORP NEW | CL A | 78410G104 |  | 19343 | 100 | SH |  | SOLE |  | 100 | 0 | 0 |
| SEMPRA | COM | 816851109 |  | 124427097 | 1409300 | SH |  | SOLE |  | 1409300 | 0 | 0 |
| SLIDE INS HLDGS INC | COM | 831349105 |  | 1765881 | 90651 | SH |  | SOLE |  | 90651 | 0 | 0 |
| SMARTSTOP SELF STORAG REIT I | COMMON STOCK | 83192D402 |  | 19538610 | 631500 | SH |  | SOLE |  | 631500 | 0 | 0 |
| SMITHFIELD FOODS INC | COM | 832248207 |  | 46669700 | 2090000 | SH |  | SOLE |  | 2090000 | 0 | 0 |
| SOUTHWEST GAS HLDGS INC | COM | 844895102 |  | 14789456 | 184822 | SH |  | SOLE |  | 184822 | 0 | 0 |
| SPIRE INC | COM | 84857L101 |  | 5623 | 68 | SH |  | SOLE |  | 68 | 0 | 0 |
| STANDARDAERO INC | COM | 85423L103 |  | 10352075 | 360951 | SH |  | SOLE |  | 360951 | 0 | 0 |
| STEWART INFORMATION SVCS COR | COM | 860372101 |  | 24900636 | 354407 | SH |  | SOLE |  | 354407 | 0 | 0 |
| SUN CTRY AIRLS HLDGS INC | COM | 866683105 |  | 15129761 | 1051408 | SH |  | SOLE |  | 1051408 | 0 | 0 |
| TAMBORAN RES CORP | COM | 87507T101 |  | 3913822 | 143732 | SH |  | SOLE |  | 143732 | 0 | 0 |
| TARGA RES CORP | COM | 87612G101 |  | 144266639 | 781933 | SH |  | SOLE |  | 781933 | 0 | 0 |
| TELUS CORPORATION | COM | 87971M103 |  | 3071 | 233 | SH |  | SOLE |  | 233 | 0 | 0 |
| TITAN AMER SA | COMMON SHARES | B9151N105 |  | 16312382 | 989829 | SH |  | SOLE |  | 989829 | 0 | 0 |
| TORTOISE ENERGY INFRA CORP | COM | 89147L886 |  | 2045000 | 50000 | SH |  | SOLE |  | 50000 | 0 | 0 |
| TRANSDIGM GROUP INC | COM | 893641100 |  | 38898113 | 29250 | SH |  | SOLE |  | 29250 | 0 | 0 |
| TRANSOCEAN LTD | REGISTERED SHS | H8817H100 |  | 18433231 | 4463252 | SH |  | SOLE |  | 4463252 | 0 | 0 |
| TXNM ENERGY INC | COM | 69349H107 |  | 109640860 | 1862107 | SH |  | SOLE |  | 1862107 | 0 | 0 |
| TXNM ENERGY INC | NOTE 5.750% 6/0 | 69349HAF4 |  | 127549456 | 95022000 | SH |  | SOLE |  | 95022000 | 0 | 0 |
| UL SOLUTIONS INC | CLASS A COM SHS | 903731107 |  | 35076139 | 444790 | SH |  | SOLE |  | 444790 | 0 | 0 |
| V2X INC | COM | 92242T101 |  | 4913700 | 90077 | SH |  | SOLE |  | 90077 | 0 | 0 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 |  | 4765 | 117 | SH |  | SOLE |  | 117 | 0 | 0 |
| VERTIV HOLDINGS CO | COM CL A | 92537N108 |  | 22000958 | 135800 | SH |  | SOLE |  | 135800 | 0 | 0 |
| VIPER ENERGY INC | CL A | 64361Q101 |  | 67216200 | 1740000 | SH |  | SOLE |  | 1740000 | 0 | 0 |
| VIRTUS INVT PARTNERS INC | COM | 92828Q109 |  | 4078750 | 25000 | SH |  | SOLE |  | 25000 | 0 | 0 |
| VODAFONE GROUP PLC NEW | SPONSORED ADR | 92857W308 |  | 793 | 60 | SH |  | SOLE |  | 60 | 0 | 0 |
| WASTE MGMT INC DEL | COM | 94106L109 |  | 24168100 | 110000 | SH |  | SOLE |  | 110000 | 0 | 0 |
| WEALTHFRONT CORP | COM | 947002101 |  | 951300 | 70000 | SH |  | SOLE |  | 70000 | 0 | 0 |
| WELLTOWER INC | COM | 95040Q104 |  | 207275327 | 1116725 | SH |  | SOLE |  | 1116725 | 0 | 0 |
| XCEL ENERGY INC | COM | 98389B100 |  | 202328613 | 2739353 | SH |  | SOLE |  | 2739353 | 0 | 0 |
| YORK WTR CO | COM | 987184108 |  | 23620472 | 741849 | SH |  | SOLE |  | 741849 | 0 | 0 |

---