# EDGAR Filing Document

**Accession Number:** 0001103804
**File Stem:** 0001103804-23-000002
**Filing Date:** 2023-2
**Character Count:** 11436
**Document Hash:** c5d59e4a1184b8d67c40b63720b52dbc
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001103804-23-000002.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001103804-23-000002

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**EFFECTIVENESS DATE**: 20230214

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VIKING GLOBAL INVESTORS LP
- **CENTRAL INDEX KEY:** 0001103804
- **IRS NUMBER:** 134055118
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-05515
- **FILM NUMBER:** 23628059

**BUSINESS ADDRESS:**
- **STREET 1:** 55 RAILROAD AVENUE
- **CITY:** GREENWICH
- **STATE:** CT
- **ZIP:** 06830
- **BUSINESS PHONE:** 212-672-7050

**MAIL ADDRESS:**
- **STREET 1:** 55 RAILROAD AVENUE
- **CITY:** GREENWICH
- **STATE:** CT
- **ZIP:** 06830

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2022

**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:** VIKING GLOBAL INVESTORS LP<br>**Address:** 55 RAILROAD AVENUE<br>GREENWICH, CT 06830

**Form 13F File Number:** 028-05515

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:** Scott M. Hendler<br>**Title:** Associate General Counsel<br>**Phone:** 212-672-7050

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

Scott M. Hendler  Greenwich, CT  02-14-2023<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:** 76

**Form 13F Information Table Value Total:** $19975826558

      (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 |
| 4D MOLECULAR THERAPEUTICS IN | COM | 35104E100 |  | 87461070 | 3937914 | SH |  | SOLE |  | 3937914 | 0 | 0 |
| ACADIA HEALTHCARE COMPANY IN | COM | 00404A109 |  | 260222904 | 3161114 | SH |  | SOLE |  | 3161114 | 0 | 0 |
| ADAPTIVE BIOTECHNOLOGIES COR | COM | 00650F109 |  | 229151929 | 29993708 | SH |  | SOLE |  | 29993708 | 0 | 0 |
| ADVANCED MICRO DEVICES INC | COM | 007903107 |  | 123425712 | 1905600 | SH |  | SOLE |  | 1905600 | 0 | 0 |
| ALBEMARLE CORP | COM | 012653101 |  | 73155336 | 337339 | SH |  | SOLE |  | 337339 | 0 | 0 |
| AMAZON COM INC | COM | 023135106 |  | 1048484472 | 12481958 | SH |  | SOLE |  | 12481958 | 0 | 0 |
| AMERICAN INTL GROUP INC | COM NEW | 026874784 |  | 163793244 | 2590026 | SH |  | SOLE |  | 2590026 | 0 | 0 |
| AMERIPRISE FINL INC | COM | 03076C106 |  | 513092611 | 1647855 | SH |  | SOLE |  | 1647855 | 0 | 0 |
| AMYLYX PHARMACEUTICALS INC | COM | 03237H101 |  | 171248692 | 4634606 | SH |  | SOLE |  | 4634606 | 0 | 0 |
| API GROUP CORP | COM STK | 00187Y100 |  | 636146055 | 33819567 | SH |  | SOLE |  | 33819567 | 0 | 0 |
| BIOMARIN PHARMACEUTICAL INC | COM | 09061G101 |  | 545766934 | 5273620 | SH |  | SOLE |  | 5273620 | 0 | 0 |
| BLOCK INC | CL A | 852234103 |  | 281759101 | 4483754 | SH |  | SOLE |  | 4483754 | 0 | 0 |
| BOSTON SCIENTIFIC CORP | COM | 101137107 |  | 440887998 | 9528593 | SH |  | SOLE |  | 9528593 | 0 | 0 |
| BRIDGEBIO PHARMA INC | COM | 10806X102 |  | 202851951 | 26620991 | SH |  | SOLE |  | 26620991 | 0 | 0 |
| BROOKFIELD CORP | CL A LTD VT SH | 11271J107 |  | 228464974 | 7262078 | SH |  | SOLE |  | 7262078 | 0 | 0 |
| CADENCE DESIGN SYSTEM INC | COM | 127387108 |  | 182214113 | 1134301 | SH |  | SOLE |  | 1134301 | 0 | 0 |
| CAPRI HOLDINGS LIMITED | SHS | G1890L107 |  | 46456656 | 810479 | SH |  | SOLE |  | 810479 | 0 | 0 |
| CATALENT INC | COM | 148806102 |  | 64111704 | 1424388 | SH |  | SOLE |  | 1424388 | 0 | 0 |
| CHARLES RIV LABS INTL INC | COM | 159864107 |  | 112255107 | 515168 | SH |  | SOLE |  | 515168 | 0 | 0 |
| CHUBB LIMITED | COM | H1467J104 |  | 789776237 | 3580128 | SH |  | SOLE |  | 3580128 | 0 | 0 |
| CLOROX CO DEL | COM | 189054109 |  | 107891177 | 768839 | SH |  | SOLE |  | 768839 | 0 | 0 |
| CROWDSTRIKE HLDGS INC | CL A | 22788C105 |  | 73697525 | 699948 | SH |  | SOLE |  | 699948 | 0 | 0 |
| CSX CORP | COM | 126408103 |  | 481680851 | 15548123 | SH |  | SOLE |  | 15548123 | 0 | 0 |
| DAY ONE BIOPHARMACEUTICALS I | COM | 23954D109 |  | 33540276 | 1558563 | SH |  | SOLE |  | 1558563 | 0 | 0 |
| DOLLAR GEN CORP NEW | COM | 256677105 |  | 76546320 | 310848 | SH |  | SOLE |  | 310848 | 0 | 0 |
| EDGEWISE THERAPEUTICS INC | COM | 28036F105 |  | 39417765 | 4409146 | SH |  | SOLE |  | 4409146 | 0 | 0 |
| ELEVANCE HEALTH INC | COM | 036752103 |  | 960370123 | 1872176 | SH |  | SOLE |  | 1872176 | 0 | 0 |
| EQUITABLE HLDGS INC | COM | 29452E101 |  | 149597602 | 5212460 | SH |  | SOLE |  | 5212460 | 0 | 0 |
| FARFETCH LTD | ORD SH CL A | 30744W107 |  | 32027942 | 6771235 | SH |  | SOLE |  | 6771235 | 0 | 0 |
| FORTINET INC | COM | 34959E109 |  | 348430572 | 7126827 | SH |  | SOLE |  | 7126827 | 0 | 0 |
| FORTIVE CORP | COM | 34959J108 |  | 249971050 | 3890600 | SH |  | SOLE |  | 3890600 | 0 | 0 |
| GENERAL ELECTRIC CO | COM NEW | 369604301 |  | 651482081 | 7775177 | SH |  | SOLE |  | 7775177 | 0 | 0 |
| GINKGO BIOWORKS HOLDINGS INC | CL A SHS | 37611X100 |  | 106613863 | 63085126 | SH |  | SOLE |  | 63085126 | 0 | 0 |
| GUARDANT HEALTH INC | COM | 40131M109 |  | 111727917 | 4107644 | SH |  | SOLE |  | 4107644 | 0 | 0 |
| GUARDANT HEALTH INC | NOTE        11/1 | 40131MAB5 |  | 75228000 | 120000000 | PRN |  | SOLE |  | 120000000 | 0 | 0 |
| HDFC BANK LTD | SPONSORED ADS | 40415F101 |  | 586324323 | 8570740 | SH |  | SOLE |  | 8570740 | 0 | 0 |
| INHIBRX INC | COM | 45720L107 |  | 163589863 | 6639199 | SH |  | SOLE |  | 6639199 | 0 | 0 |
| INSPIRE MED SYS INC | COM | 457730109 |  | 138481861 | 549793 | SH |  | SOLE |  | 549793 | 0 | 0 |
| INSULET CORP | COM | 45784P101 |  | 78911828 | 268052 | SH |  | SOLE |  | 268052 | 0 | 0 |
| INTELLIA THERAPEUTICS INC | COM | 45826J105 |  | 70526995 | 2021410 | SH |  | SOLE |  | 2021410 | 0 | 0 |
| INTERNATIONAL FLAVORS | COM | 459506101 |  | 46062502 | 439360 | SH |  | SOLE |  | 439360 | 0 | 0 |
| INTUIT | COM | 461202103 |  | 459940106 | 1181697 | SH |  | SOLE |  | 1181697 | 0 | 0 |
| KARUNA THERAPEUTICS INC | COM | 48576A100 |  | 232604124 | 1183736 | SH |  | SOLE |  | 1183736 | 0 | 0 |
| KBR INC | COM | 48242W106 |  | 56881440 | 1077300 | SH |  | SOLE |  | 1077300 | 0 | 0 |
| KE HLDGS INC | SPONSORED ADS | 482497104 |  | 112857303 | 8084334 | SH |  | SOLE |  | 8084334 | 0 | 0 |
| KINNATE BIOPHARMA INC | COM | 49705R105 |  | 11104818 | 1820462 | SH |  | SOLE |  | 1820462 | 0 | 0 |
| LI AUTO INC | SPONSORED ADS | 50202M102 |  | 185437326 | 9090065 | SH |  | SOLE |  | 9090065 | 0 | 0 |
| LIANBIO | SPONSORED ADS | 53000N108 |  | 5845244 | 3564173 | SH |  | SOLE |  | 3564173 | 0 | 0 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 |  | 594349852 | 1709228 | SH |  | SOLE |  | 1709228 | 0 | 0 |
| MCKESSON CORP | COM | 58155Q103 |  | 826921280 | 2204418 | SH |  | SOLE |  | 2204418 | 0 | 0 |
| META PLATFORMS INC | CL A | 30303M102 |  | 287339428 | 2387730 | SH |  | SOLE |  | 2387730 | 0 | 0 |
| MICRON TECHNOLOGY INC | COM | 595112103 |  | 417768226 | 8358708 | SH |  | SOLE |  | 8358708 | 0 | 0 |
| MICROSOFT CORP | COM | 594918104 |  | 822373237 | 3429127 | SH |  | SOLE |  | 3429127 | 0 | 0 |
| MOLINA HEALTHCARE INC | COM | 60855R100 |  | 194238046 | 588208 | SH |  | SOLE |  | 588208 | 0 | 0 |
| NEWAMSTERDAM PHARMA COMPANY | ORDINARY SHARES | N62509109 |  | 39490271 | 3753828 | SH |  | SOLE |  | 3753828 | 0 | 0 |
| PEPGEN INC | COM | 713317105 |  | 20651716 | 1544631 | SH |  | SOLE |  | 1544631 | 0 | 0 |
| PHARVARIS N V | COM | N69605108 |  | 36359134 | 3231923 | SH |  | SOLE |  | 3231923 | 0 | 0 |
| PROGRESSIVE CORP | COM | 743315103 |  | 43694240 | 336861 | SH |  | SOLE |  | 336861 | 0 | 0 |
| RALLYBIO CORP | COM | 75120L100 |  | 27559685 | 4194777 | SH |  | SOLE |  | 4194777 | 0 | 0 |
| REGAL REXNORD CORPORATION | COM | 758750103 |  | 43481112 | 362403 | SH |  | SOLE |  | 362403 | 0 | 0 |
| RH | COM | 74967X103 |  | 199950033 | 748344 | SH |  | SOLE |  | 748344 | 0 | 0 |
| ROGERS COMMS B | COM | 775109200 |  | 204765787 | 4375144 | SH |  | SOLE |  | 4375144 | 0 | 0 |
| ROIVANT SCIENCES LTD | SHS | G76279101 |  | 705027213 | 88238700 | SH |  | SOLE |  | 88238700 | 0 | 0 |
| ROYALTY PHARMA PLC | SHS CLASS A | G7709Q104 |  | 395536355 | 10008511 | SH |  | SOLE |  | 10008511 | 0 | 0 |
| SEAGATE TECHNOLOGY HLDNGS PL | ORD SHS | G7997R103 |  | 326125865 | 6198933 | SH |  | SOLE |  | 6198933 | 0 | 0 |
| SHOCKWAVE MED INC | COM | 82489T104 |  | 33844845 | 164607 | SH |  | SOLE |  | 164607 | 0 | 0 |
| TALARIS THERAPEUTICS INC | COM | 87410C104 |  | 3355409 | 3289617 | SH |  | SOLE |  | 3289617 | 0 | 0 |
| THERMO FISHER SCIENTIFIC INC | COM | 883556102 |  | 462318573 | 839526 | SH |  | SOLE |  | 839526 | 0 | 0 |
| TREVI THERAPEUTICS INC | COM | 89532M101 |  | 8492000 | 4400000 | SH |  | SOLE |  | 4400000 | 0 | 0 |
| UBER TECHNOLOGIES INC | COM | 90353T100 |  | 196356175 | 7939999 | SH |  | SOLE |  | 7939999 | 0 | 0 |
| UNITEDHEALTH GROUP INC | COM | 91324P102 |  | 672110777 | 1267703 | SH |  | SOLE |  | 1267703 | 0 | 0 |
| UNUM GROUP | COM | 91529Y106 |  | 140785172 | 3431274 | SH |  | SOLE |  | 3431274 | 0 | 0 |
| VALVOLINE INC | COM | 92047W101 |  | 159226867 | 4876780 | SH |  | SOLE |  | 4876780 | 0 | 0 |
| VERASTEM INC | COM | 92337C104 |  | 3712660 | 9224000 | SH |  | SOLE |  | 9224000 | 0 | 0 |
| VISA INC | COM CL A | 92826C839 |  | 1201885575 | 5784971 | SH |  | SOLE |  | 5784971 | 0 | 0 |
| ZAI LAB LTD | ADR | 98887Q104 |  | 60589428 | 1973597 | SH |  | SOLE |  | 1973597 | 0 | 0 |

---