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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 · 2024Q1
1 / 2
75 of 83
1
VVISA INC
Financial Services·Credit Services
6.57%
of portfolio
Number of shares
6,327,962 sh
Holdings current value
$1.77B
Avg closing price
$290.91
+9.0%
Last action
Added 20.7%
2025Q4
Current $317.02
2
WDAYWORKDAY INC
Technology·Software - Application
5.37%
of portfolio
Number of shares
5,288,586 sh
Holdings current value
$1.44B
Avg closing price
$232.28
-46.7%
Last action
Exited
2024Q4
Current $123.83
3
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
4.64%
of portfolio
Number of shares
6,902,351 sh
Holdings current value
$1.25B
Avg closing price
$188.89
+32.6%
Last action
New holding
2025Q4
Current $250.56
4
PMPHILIP MORRIS INTL INC
Consumer Defensive·Tobacco
4.44%
of portfolio
Number of shares
13,016,896 sh
Holdings current value
$1.19B
Avg closing price
$114.54
+37.8%
Last action
Exited
2025Q4
Current $157.79
5
APGAPI GROUP CORP
Industrials·Engineering & Construction
4.24%
of portfolio
Number of shares
28,984,298 sh
Holdings current value
$1.14B
Avg closing price
$13.77
+239.4%
Last action
Trimmed 2.6%
2025Q4
Current $46.75
6
USBUS BANCORP DEL
Financial Services·Banks - Regional
3.77%
of portfolio
Number of shares
22,626,465 sh
Holdings current value
$1.01B
Avg closing price
$43.56
+30.7%
Last action
Exited
2025Q3
Current $56.93
7
LVSLAS VEGAS SANDS CORP
Consumer Cyclical·Resorts & Casinos
3.26%
of portfolio
Number of shares
16,923,581 sh
Holdings current value
$874.95M
Avg closing price
$50.49
+14.2%
Last action
Exited
2024Q4
Current $57.64
8
FTVFORTIVE CORP
Technology·Scientific & Technical Instruments
3.04%
of portfolio
Number of shares
9,497,292 sh
Holdings current value
$816.96M
Avg closing price
$64.19
-5.7%
Last action
Trimmed 11.7%
2025Q4
Current $60.52
9
BBIOBRIDGEBIO PHARMA INC
Healthcare·Biotechnology
2.89%
of portfolio
Number of shares
25,120,991 sh
Holdings current value
$776.74M
Avg closing price
$26.97
+184.6%
Last action
Trimmed 5.9%
2025Q4
Current $76.75
10
G76279101ROIVANT SCIENCES LTD
2.72%
of portfolio
Number of shares
69,368,961 sh
Holdings current value
$731.15M
Avg closing price
$10.08
Last action
Trimmed 19.8%
2025Q4
Current —
11
TMUST-MOBILE US INC
Communication Services·Telecom Services
2.66%
of portfolio
Number of shares
4,381,297 sh
Holdings current value
$715.12M
Avg closing price
$226.01
-12.5%
Last action
Added 12.6%
2025Q4
Current $197.67
12
AMDADVANCED MICRO DEVICES INC
Technology·Semiconductors
2.66%
of portfolio
Number of shares
3,952,088 sh
Holdings current value
$713.31M
Avg closing price
$143.20
+94.4%
Last action
Trimmed 10.0%
2025Q4
Current $278.39
13
AMPAMERIPRISE FINL INC
Financial Services·Asset Management
2.66%
of portfolio
Number of shares
1,626,845 sh
Holdings current value
$713.27M
Avg closing price
$292.94
+55.7%
Last action
Exited
2024Q4
Current $456.20
14
DHRDANAHER CORPORATION
Healthcare·Diagnostics & Research
2.64%
of portfolio
Number of shares
2,837,937 sh
Holdings current value
$708.69M
Avg closing price
$202.05
-3.6%
Last action
Exited
2025Q4
Current $194.75
15
UNHUNITEDHEALTH GROUP INC
Healthcare·Healthcare Plans
2.51%
of portfolio
Number of shares
1,361,207 sh
Holdings current value
$673.39M
Avg closing price
$505.66
-35.8%
Last action
New holding
2025Q4
Current $324.63
16
MSFTMICROSOFT CORP
Technology·Software - Infrastructure
2.50%
of portfolio
Number of shares
1,596,887 sh
Holdings current value
$671.84M
Avg closing price
$472.50
-10.5%
Last action
Added 97.5%
2025Q4
Current $422.79
17
AAPLAPPLE INC
Technology·Consumer Electronics
2.47%
of portfolio
Number of shares
3,870,990 sh
Holdings current value
$663.80M
Avg closing price
$177.70
+52.1%
Last action
Exited
2024Q4
Current $270.23
18
PGRPROGRESSIVE CORP
Financial Services·Insurance - Property & Casualty
2.34%
of portfolio
Number of shares
3,032,941 sh
Holdings current value
$627.27M
Avg closing price
$179.08
+13.1%
Last action
New holding
2025Q4
Current $202.58
19
BMRNBIOMARIN PHARMACEUTICAL INC
Healthcare·Biotechnology
2.09%
of portfolio
Number of shares
6,416,288 sh
Holdings current value
$560.40M
Avg closing price
$77.65
-29.6%
Last action
Trimmed 26.3%
2025Q4
Current $54.64
20
GEGENERAL ELECTRIC CO
Industrials·Aerospace & Defense
1.79%
of portfolio
Number of shares
2,731,787 sh
Holdings current value
$479.51M
Avg closing price
$92.29
+229.5%
Last action
Exited
2024Q2
Current $304.13
21
FCXFREEPORT-MCMORAN INC
Basic Materials·Copper
1.67%
of portfolio
Number of shares
9,517,164 sh
Holdings current value
$447.50M
Avg closing price
$37.90
+85.2%
Last action
Exited
2024Q4
Current $70.21
22
CBRECBRE GROUP INC
Real Estate·Real Estate Services
1.65%
of portfolio
Number of shares
4,568,632 sh
Holdings current value
$444.25M
Avg closing price
$86.34
+75.5%
Last action
Exited
2025Q4
Current $151.51
23
MAMASTERCARD INCORPORATED
Financial Services·Credit Services
1.42%
of portfolio
Number of shares
794,313 sh
Holdings current value
$382.52M
Avg closing price
$374.94
+39.0%
Last action
Exited
2024Q2
Current $521.30
24
METAMETA PLATFORMS INC
Communication Services·Internet Content & Information
1.32%
of portfolio
Number of shares
731,983 sh
Holdings current value
$355.44M
Avg closing price
$669.63
+2.8%
Last action
Exited
2025Q4
Current $688.55
25
G7709Q104ROYALTY PHARMA PLC
1.30%
of portfolio
Number of shares
11,485,547 sh
Holdings current value
$348.82M
Avg closing price
$38.15
Last action
Exited
2025Q3
Current —
26
DLTRDOLLAR TREE INC
Consumer Defensive·Discount Stores
1.27%
of portfolio
Number of shares
2,571,820 sh
Holdings current value
$342.44M
Avg closing price
$116.73
-9.3%
Last action
Exited
2024Q3
Current $105.93
27
TEAMATLASSIAN CORPORATION
Technology·Software - Application
1.27%
of portfolio
Number of shares
1,748,686 sh
Holdings current value
$341.19M
Avg closing price
$181.95
-63.2%
Last action
Exited
2025Q1
Current $66.94
28
HDBHDFC BANK LTDADR
Financial Services·Banks - Regional
1.24%
of portfolio
Number of shares
5,929,295 sh
Holdings current value
$331.86M
Avg closing price
$64.33
-57.2%
Last action
Exited
2024Q3
Current $27.51
29
MCKMCKESSON CORP
Healthcare·Medical Distribution
1.18%
of portfolio
Number of shares
590,580 sh
Holdings current value
$317.05M
Avg closing price
$404.61
+114.1%
Last action
Exited
2024Q3
Current $866.38
30
ISRGINTUITIVE SURGICAL INC
Healthcare·Medical Instruments & Supplies
1.15%
of portfolio
Number of shares
771,837 sh
Holdings current value
$308.03M
Avg closing price
$306.35
+53.2%
Last action
Exited
2024Q3
Current $469.21
31
CBOECBOE GLOBAL MKTS INC
Financial Services·Financial Data & Stock Exchanges
1.13%
of portfolio
Number of shares
1,655,050 sh
Holdings current value
$304.08M
Avg closing price
$178.56
+68.0%
Last action
Exited
2024Q2
Current $299.94
32
TTWOTAKE-TWO INTERACTIVE SOFTWAR
Communication Services·Electronic Gaming & Multimedia
1.11%
of portfolio
Number of shares
2,009,195 sh
Holdings current value
$298.35M
Avg closing price
$130.23
+62.8%
Last action
Exited
2024Q2
Current $212.04
33
ADBEADOBE SYSTEMS INCORPORATED
Technology·Software - Application
1.06%
of portfolio
Number of shares
562,548 sh
Holdings current value
$283.86M
Avg closing price
$505.31
-51.6%
Last action
Exited
2025Q1
Current $244.45
34
INBXUSDINHIBRX INC
0.93%
of portfolio
Number of shares
7,150,826 sh
Holdings current value
$249.99M
Avg closing price
$19.26
Last action
Exited
2024Q2
Current —
35
FIVNFIVE9 INC
Technology·Software - Infrastructure
0.80%
of portfolio
Number of shares
3,452,138 sh
Holdings current value
$214.41M
Avg closing price
$72.45
-78.2%
Last action
Exited
2024Q3
Current $15.78
36
ACHCACADIA HEALTHCARE COMPANY IN
Healthcare·Medical Care Facilities
0.76%
of portfolio
Number of shares
2,564,237 sh
Holdings current value
$203.14M
Avg closing price
$65.69
-58.9%
Last action
Exited
2024Q4
Current $27.00
37
G3421J106FERGUSON PLC NEW
0.71%
of portfolio
Number of shares
875,421 sh
Holdings current value
$191.22M
Avg closing price
$206.61
Last action
Exited
2024Q3
Current —
38
N62509109NEWAMSTERDAM PHARMA COMPANY
0.71%
of portfolio
Number of shares
8,024,565 sh
Holdings current value
$189.78M
Avg closing price
$10.79
Last action
Trimmed 22.1%
2025Q4
Current —
39
HCAHCA HEALTHCARE INC
Healthcare·Medical Care Facilities
0.66%
of portfolio
Number of shares
529,401 sh
Holdings current value
$176.57M
Avg closing price
$282.60
+72.7%
Last action
Trimmed 41.9%
2025Q4
Current $488.00
40
DNA4EURGINKGO BIOWORKS HOLDINGS INC
0.62%
of portfolio
Number of shares
143,085,126 sh
Holdings current value
$165.98M
Avg closing price
$3.11
Last action
Exited
2024Q3
Current —
41
RRXREGAL REXNORD CORPORATION
Industrials·Specialty Industrial Machinery
0.60%
of portfolio
Number of shares
900,529 sh
Holdings current value
$162.19M
Avg closing price
$128.68
+59.6%
Last action
Added 12.6%
2025Q4
Current $205.40
42
HUMHUMANA INC
Healthcare·Healthcare Plans
0.60%
of portfolio
Number of shares
464,130 sh
Holdings current value
$160.92M
Avg closing price
$390.77
-47.5%
Last action
Exited
2024Q2
Current $205.14
43
EPAMEPAM SYS INC
Technology·Information Technology Services
0.60%
of portfolio
Number of shares
579,543 sh
Holdings current value
$160.05M
Avg closing price
$233.04
-43.6%
Last action
Exited
2024Q3
Current $131.34
44
LABFLUIDIGM CORP DEL
Healthcare·Medical Devices
0.59%
of portfolio
Number of shares
58,651,170 sh
Holdings current value
$158.94M
Avg closing price
$2.71
-65.7%
Last action
New holding
2024Q1
Current $0.93
45
N20944109CNH INDL N V
0.58%
of portfolio
Number of shares
11,956,128 sh
Holdings current value
$154.95M
Avg closing price
$13.39
Last action
Exited
2024Q2
Current —
46
CSXCSX CORP
Industrials·Railroads
0.55%
of portfolio
Number of shares
3,957,797 sh
Holdings current value
$146.72M
Avg closing price
$32.66
+32.7%
Last action
Trimmed 35.0%
2025Q4
Current $43.32
47
KDPKEURIG DR PEPPER INC
Consumer Defensive·Beverages - Non-Alcoholic
0.51%
of portfolio
Number of shares
4,461,076 sh
Holdings current value
$136.82M
Avg closing price
$31.49
-15.7%
Last action
Exited
2024Q2
Current $26.53
48
LWLAMB WESTON HLDGS INC
Consumer Defensive·Packaged Foods
0.48%
of portfolio
Number of shares
1,205,772 sh
Holdings current value
$128.45M
Avg closing price
$108.09
-58.5%
Last action
Exited
2024Q2
Current $44.82
49
BSXBOSTON SCIENTIFIC CORP
Healthcare·Medical Devices
0.44%
of portfolio
Number of shares
1,724,755 sh
Holdings current value
$118.13M
Avg closing price
$81.32
-21.0%
Last action
Trimmed 7.1%
2025Q4
Current $64.23
50
KKRKKR & CO INC
Financial Services·Asset Management
0.40%
of portfolio
Number of shares
1,071,166 sh
Holdings current value
$107.74M
Avg closing price
$122.41
-15.4%
Last action
Exited
2025Q4
Current $103.60
51
VVVVALVOLINE INC
Consumer Cyclical·Auto & Truck Dealerships
0.40%
of portfolio
Number of shares
2,383,579 sh
Holdings current value
$106.24M
Avg closing price
$29.38
+17.6%
Last action
Exited
2024Q2
Current $34.56
52
LLYLILLY ELI & CO
Healthcare·Drug Manufacturers - General
0.39%
of portfolio
Number of shares
134,608 sh
Holdings current value
$104.72M
Avg closing price
$555.99
+66.7%
Last action
Exited
2025Q3
Current $927.03
53
CPTCAMDEN PPTY TRREIT
Real Estate·REIT - Residential
0.38%
of portfolio
Number of shares
1,030,340 sh
Holdings current value
$101.39M
Avg closing price
$107.52
-3.8%
Last action
Added 815.2%
2025Q4
Current $103.40
54
ADPTADAPTIVE BIOTECHNOLOGIES COR
Healthcare·Biotechnology
0.36%
of portfolio
Number of shares
29,993,708 sh
Holdings current value
$96.28M
Avg closing price
$48.30
-70.0%
Last action
Trimmed 10.4%
2020Q4
Current $14.47
55
KNXKNIGHT-SWIFT TRANSN HLDGS IN
Industrials·Trucking
0.35%
of portfolio
Number of shares
1,717,327 sh
Holdings current value
$94.49M
Avg closing price
$55.02
+17.1%
Last action
Exited
2024Q2
Current $64.42
56
FDMT4D MOLECULAR THERAPEUTICS IN
Healthcare·Biotechnology
0.35%
of portfolio
Number of shares
2,934,914 sh
Holdings current value
$93.51M
Avg closing price
$37.30
-71.9%
Last action
Exited
2024Q3
Current $10.49
57
VKTXVIKING THERAPEUTICS INC
Healthcare·Biotechnology
0.33%
of portfolio
Number of shares
1,094,940 sh
Holdings current value
$89.79M
Avg closing price
$22.78
+54.5%
Last action
Exited
2024Q4
Current $35.20
58
PPGPPG INDS INC
Basic Materials·Specialty Chemicals
0.33%
of portfolio
Number of shares
619,433 sh
Holdings current value
$89.76M
Avg closing price
$133.92
-14.2%
Last action
Exited
2024Q2
Current $114.85
59
N69605108PHARVARIS N V
0.31%
of portfolio
Number of shares
3,653,310 sh
Holdings current value
$84.43M
Avg closing price
$24.36
Last action
Trimmed 0.1%
2024Q1
Current —
60
VRTVERTIV HOLDINGS CO
Industrials·Electrical Equipment & Parts
0.31%
of portfolio
Number of shares
1,017,994 sh
Holdings current value
$83.14M
Avg closing price
$95.12
+223.1%
Last action
Exited
2024Q4
Current $307.34
61
APDAIR PRODS & CHEMS INC
Basic Materials·Specialty Chemicals
0.31%
of portfolio
Number of shares
338,206 sh
Holdings current value
$81.94M
Avg closing price
$261.17
+11.7%
Last action
Added
2025Q4
Current $291.81
62
PCORPROCORE TECHNOLOGIES INC
Technology·Software - Application
0.30%
of portfolio
Number of shares
991,229 sh
Holdings current value
$81.45M
Avg closing price
$71.97
-23.0%
Last action
Exited
2024Q3
Current $55.44
63
EQHEQUITABLE HLDGS INC
Financial Services·Asset Management
0.29%
of portfolio
Number of shares
2,057,191 sh
Holdings current value
$78.19M
Avg closing price
$48.43
-13.8%
Last action
Exited
2025Q2
Current $41.73
64
TMOTHERMO FISHER SCIENTIFIC INC
Healthcare·Diagnostics & Research
0.28%
of portfolio
Number of shares
128,489 sh
Holdings current value
$74.68M
Avg closing price
$573.51
-8.2%
Last action
New holding
2025Q4
Current $526.60
65
BEKEKE HLDGS INCADR
Real Estate·Real Estate Services
0.27%
of portfolio
Number of shares
5,246,500 sh
Holdings current value
$72.03M
Avg closing price
$14.28
+13.7%
Last action
Exited
2024Q2
Current $16.24
66
OSCROSCAR HEALTH INC
Healthcare·Healthcare Plans
0.26%
of portfolio
Number of shares
4,732,002 sh
Holdings current value
$70.36M
Avg closing price
$15.30
+3.2%
Last action
Exited
2025Q1
Current $15.79
67
CLXCLOROX CO DEL
Consumer Defensive·Household & Personal Products
0.26%
of portfolio
Number of shares
457,659 sh
Holdings current value
$70.07M
Avg closing price
$130.91
-20.1%
Last action
Exited
2024Q2
Current $104.58
68
SKAASKECHERS U S A INC
0.25%
of portfolio
Number of shares
1,090,121 sh
Holdings current value
$66.78M
Avg closing price
$62.19
Last action
Exited
2025Q2
Current —
69
EWTXEDGEWISE THERAPEUTICS INC
Healthcare·Biotechnology
0.23%
of portfolio
Number of shares
3,339,146 sh
Holdings current value
$60.91M
Avg closing price
$19.12
+80.1%
Last action
Exited
2025Q2
Current $34.43
70
IMVTIMMUNOVANT INC
Healthcare·Biotechnology
0.22%
of portfolio
Number of shares
1,809,172 sh
Holdings current value
$58.45M
Avg closing price
$31.01
-5.5%
Last action
Exited
2025Q2
Current $29.30
71
ORICORIC PHARMACEUTICALS INC
Healthcare·Biotechnology
0.20%
of portfolio
Number of shares
4,000,000 sh
Holdings current value
$55.00M
Avg closing price
$10.72
+0.3%
Last action
Trimmed 0.0%
2025Q4
Current $10.75
72
ITGRINTEGER HLDGS CORP
Healthcare·Medical Devices
0.19%
of portfolio
Number of shares
428,399 sh
Holdings current value
$49.99M
Avg closing price
$117.31
-23.1%
Last action
Exited
2025Q4
Current $90.20
73
DAWNDAY ONE BIOPHARMACEUTICALS I
Healthcare·Biotechnology
0.16%
of portfolio
Number of shares
2,558,563 sh
Holdings current value
$42.27M
Avg closing price
$17.42
+23.3%
Last action
Exited
2024Q4
Current $21.47
74
ZLABZAI LAB LTDADR
Healthcare·Biotechnology
0.12%
of portfolio
Number of shares
2,048,129 sh
Holdings current value
$32.81M
Avg closing price
$92.09
-73.7%
Last action
Exited
2024Q4
Current $24.19
75
G96629103WILLIS TOWERS WATSON PLC LTD
0.12%
of portfolio
Number of shares
112,344 sh
Holdings current value
$30.89M
Avg closing price
$230.87
Last action
Exited
2024Q2
Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing
V
6.57% · +13.6%
WDAY
5.37% · -54.6%
AMZN
4.64% · +38.9%
PM
4.44% · +72.2%
APG
4.24% · +19.0%
USB
3.77% · +27.4%
LVS
3.26% · +11.5%
FTV
3.04% · -29.6%
BBIO
2.89% · +148.2%
ROIVANT SCIENCES LTD
2.72%
TMUS
2.66% · +21.1%
AMD
2.66% · +54.2%
AMP
2.66% · +4.1%
DHR
2.64% · -22.0%
UNH
2.51% · -34.4%
MSFT
2.50% · +0.5%
AAPL
2.47% · +57.6%
PGR
2.34% · -2.1%
BMRN
2.09% · -37.4%
GE
1.79% · +73.3%
FCX
1.67% · +49.3%
CBRE
1.65% · +55.8%
MA
1.42% · +8.3%
META
1.32% · +41.8%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Technology10 pos$5.39B21.9%
  • Financial Services9 pos$5.32B21.6%
  • Healthcare26 pos$5.06B20.6%
  • Consumer Cyclical3 pos$2.23B9.1%
  • Industrials6 pos$2.10B8.6%
  • Consumer Defensive5 pos$1.87B7.6%
  • Communication Services4 pos$1.38B5.6%
  • Basic Materials3 pos$619.2M2.5%
  • Real Estate3 pos$617.7M2.5%
(8.5% unclassified, excluded from %)