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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  1. Home/
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  3. Andreas Halvorsen (Viking Global)
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Hedge Fund · CIK 0001103804

Andreas Halvorsen

Viking Global
Share
  • Large Fund

Andreas Halvorsen runs Viking Global, a hedge fund overseeing $37.68B in disclosed equity holdings (SEC CIK 0001103804). The latest portfolio (2025Q4) discloses 76 positions across 8 sectors, with the largest positions in MSFT, PNC and TSM. On a mark-to-market basis the tracked portfolio has returned 26.6% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Andreas's filingsView holdings↓
Portfolio
$37.68B
Positions
76
Quarter
2025Q4
Filings tracked
40
1Y+26.6%Since filing+115.7%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1

Holdings

Sorted by value · 2023Q3
1 / 2
75 of 80
1
VVISA INC
Financial Services·Credit Services
6.51%
of portfolio
Number of shares
6,971,335 sh
Holdings current value
$1.60B
Avg closing price
$290.91
+9.0%
Last action
Added 18.5%
2025Q4
Current $317.02
2
WDAYWORKDAY INC
Technology·Software - Application
4.57%
of portfolio
Number of shares
5,236,644 sh
Holdings current value
$1.13B
Avg closing price
$232.28
-46.7%
Last action
Exited
2024Q4
Current $123.83
3
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
4.51%
of portfolio
Number of shares
8,749,993 sh
Holdings current value
$1.11B
Avg closing price
$188.89
+32.6%
Last action
New holding
2025Q4
Current $250.56
4
UPSUNITED PARCEL SERVICE INC
Industrials·Integrated Freight & Logistics
4.21%
of portfolio
Number of shares
6,660,484 sh
Holdings current value
$1.04B
Avg closing price
$158.66
-32.9%
Last action
Exited
2024Q1
Current $106.44
5
DHRDANAHER CORPORATION
Healthcare·Diagnostics & Research
4.14%
of portfolio
Number of shares
4,113,043 sh
Holdings current value
$1.02B
Avg closing price
$202.05
-3.6%
Last action
Exited
2025Q4
Current $194.75
6
MSFTMICROSOFT CORP
Technology·Software - Infrastructure
3.88%
of portfolio
Number of shares
3,024,399 sh
Holdings current value
$954.95M
Avg closing price
$472.50
-10.5%
Last action
Added 35.2%
2025Q4
Current $422.79
7
UNHUNITEDHEALTH GROUP INC
Healthcare·Healthcare Plans
3.80%
of portfolio
Number of shares
1,857,944 sh
Holdings current value
$936.76M
Avg closing price
$505.66
-35.8%
Last action
New holding
2025Q4
Current $324.63
8
METAMETA PLATFORMS INC
Communication Services·Internet Content & Information
3.72%
of portfolio
Number of shares
3,057,022 sh
Holdings current value
$917.75M
Avg closing price
$669.63
+2.8%
Last action
Exited
2025Q4
Current $688.55
9
APGAPI GROUP CORP
Industrials·Engineering & Construction
3.60%
of portfolio
Number of shares
34,199,532 sh
Holdings current value
$886.79M
Avg closing price
$13.77
+239.4%
Last action
Trimmed 2.2%
2025Q4
Current $46.75
10
GEGENERAL ELECTRIC CO
Industrials·Aerospace & Defense
3.59%
of portfolio
Number of shares
7,996,906 sh
Holdings current value
$884.06M
Avg closing price
$92.29
+229.5%
Last action
Exited
2024Q2
Current $304.13
11
G76279101ROIVANT SCIENCES LTD
3.48%
of portfolio
Number of shares
73,434,301 sh
Holdings current value
$857.71M
Avg closing price
$10.08
Last action
Trimmed 18.9%
2025Q4
Current —
12
BBIOBRIDGEBIO PHARMA INC
Healthcare·Biotechnology
2.69%
of portfolio
Number of shares
25,120,991 sh
Holdings current value
$662.44M
Avg closing price
$26.97
+184.6%
Last action
Trimmed 5.9%
2025Q4
Current $76.75
13
MCKMCKESSON CORP
Healthcare·Medical Distribution
2.57%
of portfolio
Number of shares
1,457,725 sh
Holdings current value
$633.89M
Avg closing price
$404.61
+114.1%
Last action
Exited
2024Q3
Current $866.38
14
FTVFORTIVE CORP
Technology·Scientific & Technical Instruments
2.51%
of portfolio
Number of shares
8,325,095 sh
Holdings current value
$617.39M
Avg closing price
$64.19
-5.7%
Last action
Trimmed 13.1%
2025Q4
Current $60.52
15
HDBHDFC BANK LTDADR
Financial Services·Banks - Regional
2.42%
of portfolio
Number of shares
10,116,023 sh
Holdings current value
$596.95M
Avg closing price
$64.33
-57.2%
Last action
Exited
2024Q3
Current $27.51
16
AMPAMERIPRISE FINL INC
Financial Services·Asset Management
2.32%
of portfolio
Number of shares
1,734,018 sh
Holdings current value
$571.67M
Avg closing price
$292.94
+55.7%
Last action
Exited
2024Q4
Current $456.20
17
PMPHILIP MORRIS INTL INC
Consumer Defensive·Tobacco
2.24%
of portfolio
Number of shares
5,971,784 sh
Holdings current value
$552.87M
Avg closing price
$114.54
+37.8%
Last action
Exited
2025Q4
Current $157.79
18
XYZBLOCK INC
Technology·Software - Infrastructure
2.21%
of portfolio
Number of shares
12,324,808 sh
Holdings current value
$545.50M
Avg closing price
$47.60
+49.7%
Last action
Exited
2025Q3
Current $71.26
19
PPGPPG INDS INC
Basic Materials·Specialty Chemicals
2.13%
of portfolio
Number of shares
4,044,244 sh
Holdings current value
$524.94M
Avg closing price
$133.92
-14.2%
Last action
Exited
2024Q2
Current $114.85
20
TMOTHERMO FISHER SCIENTIFIC INC
Healthcare·Diagnostics & Research
1.85%
of portfolio
Number of shares
899,715 sh
Holdings current value
$455.41M
Avg closing price
$573.51
-8.2%
Last action
New holding
2025Q4
Current $526.60
21
DASHDOORDASH INC
Consumer Cyclical·Internet Retail
1.73%
of portfolio
Number of shares
5,367,522 sh
Holdings current value
$426.56M
Avg closing price
$113.36
+62.2%
Last action
Exited
2025Q2
Current $183.89
22
FTNTFORTINET INC
Technology·Software - Infrastructure
1.68%
of portfolio
Number of shares
7,050,550 sh
Holdings current value
$413.73M
Avg closing price
$55.92
+46.4%
Last action
Exited
2023Q4
Current $81.84
23
CDNSCADENCE DESIGN SYSTEM INC
Technology·Software - Application
1.57%
of portfolio
Number of shares
1,653,230 sh
Holdings current value
$387.35M
Avg closing price
$186.33
+66.9%
Last action
Exited
2024Q1
Current $311.03
24
BMRNBIOMARIN PHARMACEUTICAL INC
Healthcare·Biotechnology
1.51%
of portfolio
Number of shares
4,215,456 sh
Holdings current value
$372.98M
Avg closing price
$77.65
-29.6%
Last action
Trimmed 35.2%
2025Q4
Current $54.64
25
FCXFREEPORT-MCMORAN INC
Basic Materials·Copper
1.48%
of portfolio
Number of shares
9,769,679 sh
Holdings current value
$364.31M
Avg closing price
$37.90
+85.2%
Last action
Exited
2024Q4
Current $70.21
26
CSXCSX CORP
Industrials·Railroads
1.33%
of portfolio
Number of shares
10,640,828 sh
Holdings current value
$327.21M
Avg closing price
$32.66
+32.7%
Last action
Trimmed 16.7%
2025Q4
Current $43.32
27
G3223R108EVEREST RE GROUP LTD
1.22%
of portfolio
Number of shares
808,459 sh
Holdings current value
$300.48M
Avg closing price
$315.18
Last action
Exited
2024Q1
Current —
28
LULULULULEMON ATHLETICA INC
Consumer Cyclical·Apparel Retail
1.22%
of portfolio
Number of shares
776,515 sh
Holdings current value
$299.43M
Avg closing price
$364.19
-54.1%
Last action
Exited
2025Q1
Current $167.28
29
VVVVALVOLINE INC
Consumer Cyclical·Auto & Truck Dealerships
1.16%
of portfolio
Number of shares
8,867,163 sh
Holdings current value
$285.88M
Avg closing price
$29.38
+17.6%
Last action
Exited
2024Q2
Current $34.56
30
DNA4EURGINKGO BIOWORKS HOLDINGS INC
1.05%
of portfolio
Number of shares
143,085,126 sh
Holdings current value
$258.98M
Avg closing price
$3.11
Last action
Exited
2024Q3
Current —
31
G7709Q104ROYALTY PHARMA PLC
1.04%
of portfolio
Number of shares
9,464,201 sh
Holdings current value
$256.86M
Avg closing price
$38.15
Last action
Exited
2025Q3
Current —
32
UNMUNUM GROUP
Financial Services·Insurance - Life
0.95%
of portfolio
Number of shares
4,778,110 sh
Holdings current value
$235.04M
Avg closing price
$37.63
+111.6%
Last action
Exited
2023Q4
Current $79.63
33
EPAMEPAM SYS INC
Technology·Information Technology Services
0.95%
of portfolio
Number of shares
918,497 sh
Holdings current value
$234.85M
Avg closing price
$233.04
-43.6%
Last action
Exited
2024Q3
Current $131.34
34
FIVNFIVE9 INC
Technology·Software - Infrastructure
0.94%
of portfolio
Number of shares
3,593,745 sh
Holdings current value
$231.08M
Avg closing price
$72.45
-78.2%
Last action
Exited
2024Q3
Current $15.78
35
AJGGALLAGHER ARTHUR J & CO
Financial Services·Insurance Brokers
0.89%
of portfolio
Number of shares
957,820 sh
Holdings current value
$218.32M
Avg closing price
$158.96
+39.4%
Last action
New holding
2025Q4
Current $221.61
36
48576A100KARUNA THERAPEUTICS INC
0.78%
of portfolio
Number of shares
1,131,263 sh
Holdings current value
$191.29M
Avg closing price
$139.13
Last action
Exited
2023Q4
Current —
37
ISRGINTUITIVE SURGICAL INC
Healthcare·Medical Instruments & Supplies
0.76%
of portfolio
Number of shares
640,983 sh
Holdings current value
$187.35M
Avg closing price
$306.35
+53.2%
Last action
Exited
2024Q3
Current $469.21
38
CBRECBRE GROUP INC
Real Estate·Real Estate Services
0.75%
of portfolio
Number of shares
2,504,799 sh
Holdings current value
$185.00M
Avg closing price
$86.34
+75.5%
Last action
Exited
2025Q4
Current $151.51
39
METMETLIFE INC
Financial Services·Insurance - Life
0.75%
of portfolio
Number of shares
2,933,356 sh
Holdings current value
$184.54M
Avg closing price
$67.78
+15.2%
Last action
Exited
2025Q2
Current $78.08
40
ADPTADAPTIVE BIOTECHNOLOGIES COR
Healthcare·Biotechnology
0.66%
of portfolio
Number of shares
29,993,708 sh
Holdings current value
$163.47M
Avg closing price
$48.30
-70.0%
Last action
Trimmed 10.4%
2020Q4
Current $14.47
41
PGRPROGRESSIVE CORP
Financial Services·Insurance - Property & Casualty
0.65%
of portfolio
Number of shares
1,145,322 sh
Holdings current value
$159.54M
Avg closing price
$179.08
+13.1%
Last action
New holding
2025Q4
Current $202.58
42
ACHCACADIA HEALTHCARE COMPANY IN
Healthcare·Medical Care Facilities
0.64%
of portfolio
Number of shares
2,255,213 sh
Holdings current value
$158.56M
Avg closing price
$65.69
-58.9%
Last action
Exited
2024Q4
Current $27.00
43
75525N107RAYZEBIO INC
0.60%
of portfolio
Number of shares
6,642,700 sh
Holdings current value
$147.47M
Avg closing price
$22.20
Last action
Exited
2024Q1
Current —
44
SNPSSYNOPSYS INC
Technology·Software - Infrastructure
0.57%
of portfolio
Number of shares
308,059 sh
Holdings current value
$141.39M
Avg closing price
$451.44
-0.4%
Last action
Exited
2025Q2
Current $449.58
45
IFFINTERNATIONAL FLAVORS&FRAGRA
Basic Materials·Specialty Chemicals
0.57%
of portfolio
Number of shares
2,067,060 sh
Holdings current value
$140.91M
Avg closing price
$87.08
-12.9%
Last action
Exited
2024Q1
Current $75.88
46
INBXUSDINHIBRX INC
0.53%
of portfolio
Number of shares
7,150,826 sh
Holdings current value
$131.22M
Avg closing price
$19.26
Last action
Exited
2024Q2
Current —
47
MAMASTERCARD INCORPORATED
Financial Services·Credit Services
0.47%
of portfolio
Number of shares
292,288 sh
Holdings current value
$115.72M
Avg closing price
$374.94
+39.0%
Last action
Exited
2024Q2
Current $521.30
48
CLCOLGATE PALMOLIVE CO
Consumer Defensive·Household & Personal Products
0.41%
of portfolio
Number of shares
1,424,845 sh
Holdings current value
$101.32M
Avg closing price
$75.39
+13.8%
Last action
Exited
2023Q4
Current $85.81
49
KBRKBR INC
Industrials·Engineering & Construction
0.37%
of portfolio
Number of shares
1,555,209 sh
Holdings current value
$91.66M
Avg closing price
$55.06
-33.9%
Last action
Exited
2024Q1
Current $36.42
50
N20944109CNH INDL N V
0.33%
of portfolio
Number of shares
6,741,281 sh
Holdings current value
$81.57M
Avg closing price
$13.39
Last action
Exited
2024Q2
Current —
51
GH 0 11/15/27GUARDANT HEALTH INC
0.31%
of portfolio
Number of shares
111,500,000 sh
Holdings current value
$77.21M
Avg closing price
$1.02
Last action
Exited
2024Q1
Current —
52
DOVDOVER CORP
Industrials·Specialty Industrial Machinery
0.30%
of portfolio
Number of shares
536,587 sh
Holdings current value
$74.86M
Avg closing price
$133.00
+64.7%
Last action
Exited
2023Q4
Current $219.07
53
N62509109NEWAMSTERDAM PHARMA COMPANY
0.30%
of portfolio
Number of shares
8,024,565 sh
Holdings current value
$74.23M
Avg closing price
$10.79
Last action
Trimmed 22.1%
2025Q4
Current —
54
CPNGCOUPANG INC
Consumer Cyclical·Internet Retail
0.30%
of portfolio
Number of shares
4,362,544 sh
Holdings current value
$74.16M
Avg closing price
$16.34
+31.9%
Last action
Exited
2024Q1
Current $21.55
55
KDPKEURIG DR PEPPER INC
Consumer Defensive·Beverages - Non-Alcoholic
0.29%
of portfolio
Number of shares
2,288,261 sh
Holdings current value
$72.24M
Avg closing price
$31.49
-15.7%
Last action
Exited
2024Q2
Current $26.53
56
BEKEKE HLDGS INCADR
Real Estate·Real Estate Services
0.29%
of portfolio
Number of shares
4,620,000 sh
Holdings current value
$71.70M
Avg closing price
$14.28
+13.7%
Last action
Exited
2024Q2
Current $16.24
57
THCTENET HEALTHCARE CORP
Healthcare·Medical Care Facilities
0.27%
of portfolio
Number of shares
1,025,840 sh
Holdings current value
$67.59M
Avg closing price
$63.90
+207.7%
Last action
Exited
2023Q4
Current $196.64
58
N69605108PHARVARIS N V
0.27%
of portfolio
Number of shares
3,231,923 sh
Holdings current value
$67.45M
Avg closing price
$24.36
Last action
Trimmed 0.1%
2024Q1
Current —
59
GTMZOOMINFO TECHNOLOGIES INC
Technology·Software - Application
0.25%
of portfolio
Number of shares
3,754,192 sh
Holdings current value
$61.57M
Avg closing price
$22.96
-73.0%
Last action
Exited
2023Q4
Current $6.21
60
FDMT4D MOLECULAR THERAPEUTICS IN
Healthcare·Biotechnology
0.25%
of portfolio
Number of shares
4,787,914 sh
Holdings current value
$60.95M
Avg closing price
$37.30
-71.9%
Last action
Exited
2024Q3
Current $10.49
61
DDOGDATADOG INC
Technology·Software - Application
0.25%
of portfolio
Number of shares
668,511 sh
Holdings current value
$60.89M
Avg closing price
$85.19
+48.6%
Last action
Exited
2024Q3
Current $126.61
62
ZLABZAI LAB LTDADR
Healthcare·Biotechnology
0.25%
of portfolio
Number of shares
2,491,003 sh
Holdings current value
$60.56M
Avg closing price
$92.09
-73.7%
Last action
Exited
2024Q4
Current $24.19
63
8QRCONFLUENT INC
0.24%
of portfolio
Number of shares
1,983,066 sh
Holdings current value
$58.72M
Avg closing price
$29.61
Last action
Exited
2023Q4
Current —
64
BSXBOSTON SCIENTIFIC CORP
Healthcare·Medical Devices
0.24%
of portfolio
Number of shares
1,110,292 sh
Holdings current value
$58.62M
Avg closing price
$81.32
-21.0%
Last action
Trimmed 10.6%
2025Q4
Current $64.23
65
AMLXAMYLYX PHARMACEUTICALS INC
Healthcare·Drug Manufacturers - Specialty & Generic
0.22%
of portfolio
Number of shares
2,962,555 sh
Holdings current value
$54.24M
Avg closing price
$12.85
+42.9%
Last action
Exited
2024Q1
Current $18.36
66
VKTXVIKING THERAPEUTICS INC
Healthcare·Biotechnology
0.21%
of portfolio
Number of shares
4,573,316 sh
Holdings current value
$50.63M
Avg closing price
$22.78
+54.5%
Last action
Exited
2024Q4
Current $35.20
67
MBLYMOBILEYE GLOBAL INC
Consumer Cyclical·Auto Parts
0.17%
of portfolio
Number of shares
1,011,692 sh
Holdings current value
$42.04M
Avg closing price
$41.55
-81.1%
Last action
Exited
2023Q4
Current $7.87
68
DGDOLLAR GEN CORP NEW
Consumer Defensive·Discount Stores
0.16%
of portfolio
Number of shares
368,172 sh
Holdings current value
$38.95M
Avg closing price
$218.06
-41.9%
Last action
Exited
2023Q4
Current $126.68
69
WOOFOOT LOCKER INC
0.16%
of portfolio
Number of shares
2,235,456 sh
Holdings current value
$38.79M
Avg closing price
$17.35
Last action
Exited
2024Q1
Current —
70
EWTXEDGEWISE THERAPEUTICS INC
Healthcare·Biotechnology
0.14%
of portfolio
Number of shares
6,159,146 sh
Holdings current value
$35.29M
Avg closing price
$19.12
+80.1%
Last action
Exited
2025Q2
Current $34.43
71
ARMARM HOLDINGS PLCADR
Technology·Semiconductors
0.13%
of portfolio
Number of shares
600,000 sh
Holdings current value
$32.11M
Avg closing price
$53.52
+211.5%
Last action
Exited
2023Q4
Current $166.73
72
DAWNDAY ONE BIOPHARMACEUTICALS I
Healthcare·Biotechnology
0.13%
of portfolio
Number of shares
2,558,563 sh
Holdings current value
$31.39M
Avg closing price
$17.42
+23.3%
Last action
Exited
2024Q4
Current $21.47
73
30744W107FARFETCH LTD
0.09%
of portfolio
Number of shares
10,844,009 sh
Holdings current value
$22.66M
Avg closing price
$8.97
Last action
Exited
2023Q4
Current —
74
VSTMVERASTEM INC
Healthcare·Biotechnology
0.08%
of portfolio
Number of shares
2,456,292 sh
Holdings current value
$19.97M
Avg closing price
$7.60
-13.4%
Last action
Exited
2024Q2
Current $6.58
75
75120L100RALLYBIO CORP
0.06%
of portfolio
Number of shares
4,194,777 sh
Holdings current value
$14.14M
Avg closing price
$17.58
Last action
New holding
2021Q3
Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing
V
6.51% · +37.8%
WDAY
4.57% · -42.4%
AMZN
4.51% · +97.1%
UPS
4.21% · -31.7%
DHR
4.14% · -21.5%
MSFT
3.88% · +33.9%
UNH
3.80% · -35.6%
META
3.72% · +129.4%
APG
3.60% · +80.3%
GE
3.59% · +175.1%
ROIVANT SCIENCES LTD
3.48%
BBIO
2.69% · +191.1%
MCK
2.57% · +99.2%
FTV
2.51% · -18.4%
HDB
2.42% · -53.4%
AMP
2.32% · +38.4%
PM
2.24% · +70.4%
XYZ
2.21% · +61.0%
PPG
2.13% · -11.5%
TMO
1.85% · +4.0%
DASH
1.73% · +131.4%
FTNT
1.68% · +39.5%
CDNS
1.57% · +32.7%
BMRN
1.51% · -38.2%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Healthcare20 pos$5.05B22.9%
  • Technology12 pos$4.81B21.8%
  • Financial Services8 pos$3.69B16.7%
  • Industrials6 pos$3.30B15.0%
  • Consumer Cyclical7 pos$2.24B10.2%
  • Basic Materials3 pos$1.03B4.7%
  • Communication Services1 pos$917.7M4.2%
  • Consumer Defensive4 pos$765.4M3.5%
  • Real Estate2 pos$256.7M1.2%
(10.5% unclassified, excluded from %)