13F Notebook
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Fund detail

Viking Global Investors (Halvorsen)

hedge-fund, active

Quarters 52
2019-12-31 $21.35B
Positions 66
Showing 30 of 80 rows

Price is the latest implied close from the selected quarter's 13F (value ÷ shares). Est. Cost is a running average that assumes each quarter's trades cleared near the midpoint of consecutive 13F closes (or yfinance VWAP when available). Most accurate for slow accumulators, least accurate for activists who build positions in a few days.

# Issuer Value ↓ Weight Shares Share Δ Share Δ % Prev Weight First Held Price Est. Cost Unrealized % Status
1 AMAZON COM INC AMZN $1.64B 7.70% 889,872 -14,862 -1.64% 8.18% 2015-06-30 $1,848 ~$1,774 +4.15%
2 FACEBOOK INC META $1.31B 6.12% 6,363,574 +127,628 +2.05% 5.79% 2013-09-30 $205 ~$169 +21.34%
3 ADAPTIVE BIOTECHNOLOGIES COR ADPT $1.15B 5.38% 38,406,607 +0 +0.00% 6.18% 2019-06-30 $30 ~$48 -38.05%
4 NETFLIX INC NFLX $1.14B 5.35% 3,532,638 -801,931 -18.50% 6.04% 2014-06-30 $324 ~$309 +4.81%
5 UBER TECHNOLOGIES INC UBER $1.13B 5.31% 38,092,013 +23,591,568 +162.70% 2.30% 2019-06-30 $30 ~$36 -17.54%
6 BRIDGEBIO PHARMA INC BBIO $933.1M 4.37% 26,620,991 +0 +0.00% 2.98% 2019-06-30 $35 ~$27 +29.96%
7 ANTHEM INC ELV $932.1M 4.37% 3,086,199 -787,206 -20.32% 4.84% 2014-12-31 $302 ~$225 +34.19%
8 BOSTON SCIENTIFIC CORP BSX $836.2M 3.92% 18,491,662 +8,075,615 +77.53% 2.21% 2015-09-30 $45 ~$39 +14.48%
9 MONSTER BEVERAGE CORP NEW MNST $822.6M 3.85% 12,944,911 +2,410,588 +22.88% 3.19% 2019-06-30 $64 ~$63 +1.05%
10 JD COM INC JD $783.0M 3.67% 22,225,867 -4,678,603 -17.39% 3.95% 2015-09-30 $35 ~$32 +10.48%
11 SERVICENOW INC NOW $777.4M 3.64% 2,753,568 +982,871 +55.51% 2.34% 2019-09-30 $282 ~$259 +9.03%
12 SALESFORCE COM INC CRM $710.4M 3.33% 4,367,722 -564,288 -11.44% 3.81% 2016-09-30 $163 ~$140 +16.12%
13 CENTENE CORP DEL CNC $685.7M 3.21% 10,907,112 -1,442,816 -11.68% 2.78% 2014-06-30 $63 ~$52 +21.48%
14 SQUARE INC XYZ $628.4M 2.94% 10,044,042 +13,701 +0.14% 3.24% 2019-06-30 $63 ~$69 -8.85%
15 FORTIVE CORP FTV $547.2M 2.56% 7,163,848 +2,323,376 +48.00% 1.73% 2019-09-30 $76 ~$70 +9.39%
16 LOWES COS INC LOW $529.9M 2.48% 4,424,386 -450,380 -9.24% 2.79% 2013-09-30 $120 ~$98 +22.40%
17 MERCADOLIBRE INC MELI $404.2M 1.89% 706,781 -100,948 -12.50% 2.32% 2018-03-31 $572 ~$436 +31.18%
18 LIBERTY MEDIA CORP DELAWARE FWONKUSD $396.6M 1.86% 8,628,931 -1,369,760 -13.70% 2.17% 2017-03-31 $46 ~$34 +34.93%
19 METLIFE INC MET $342.7M 1.61% 6,723,542 +6,723,542 2013-06-30 $51 ~$46 +11.88%
20 MOLINA HEALTHCARE INC MOH $313.7M 1.47% 2,311,923 +841,862 +57.27% 0.84% 2014-09-30 $136 ~$77 +76.31%
21 GUARDANT HEALTH INC GH $299.6M 1.40% 3,834,753 +960,325 +33.41% 0.96% 2019-09-30 $78 ~$66 +19.08%
22 UNITEDHEALTH GROUP INC UNH $281.6M 1.32% 958,037 +958,037 2016-12-31 $294 ~$229 +28.20%
23 BOOKING HLDGS INC BKNG $262.2M 1.23% 127,676 +127,676 2019-03-31 $2,054 ~$1,827 +12.40%
24 ASSURANT INC AIZ $244.0M 1.14% 1,861,267 +447,370 +31.64% 0.93% 2019-06-30 $131 ~$117 +11.86%
25 ACTIVISION BLIZZARD INC ATVIEUR $239.1M 1.12% 4,023,395 +3,250,679 +420.68% 0.21% 2019-03-31 $59 ~$54 +9.66%
26 RAYTHEON CO RTN1USD $229.4M 1.07% 1,043,924 +724,623 +226.94% 0.33% 2019-06-30 $220 ~$198 +11.24%
27 AXA EQUITABLE HLDGS INC $224.2M 1.05% 9,048,047 -1,630,901 -15.27% 1.23% 2018-06-30 $25 ~$21 +19.71%
28 TEXTRON INC TXT $220.5M 1.03% 4,944,853 +4,944,853 2015-09-30 $45 ~$38 +16.05%
29 MICROSOFT CORP MSFT $216.0M 1.01% 1,369,820 -4,565,153 -76.92% 4.30% 2016-06-30 $158 ~$74 +113.91%
30 MCKESSON CORP MCK $208.6M 0.98% 1,508,413 +1,508,413 2013-12-31 $138 ~$193 -28.19%