Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2020-03-31
$19.21B
Positions
64
2026-03-31
2025-12-31
2025-09-30
2025-06-30
2025-03-31
2024-12-31
2024-09-30
2024-06-30
2024-03-31
2023-12-31
2023-09-30
2023-06-30
2023-03-31
2022-12-31
2022-09-30
2022-06-30
2022-03-31
2021-12-31
2021-09-30
2021-06-30
2021-03-31
2020-12-31
2020-09-30
2020-06-30
2020-03-31
2019-12-31
2019-09-30
2019-06-30
2019-03-31
2018-12-31
2018-09-30
2018-06-30
2018-03-31
2017-12-31
2017-09-30
2017-06-30
2017-03-31
2016-12-31
2016-09-30
2016-06-30
2016-03-31
2015-12-31
2015-09-30
2015-06-30
2015-03-31
2014-12-31
2014-09-30
2014-06-30
2014-03-31
2013-12-31
2013-09-30
2013-06-30
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 | $1.72B | 8.93% | 880,093 | -9,779 | -1.10% | 7.70% | 2015-06-30 | $1,950 | ~$1,774 | +9.89% | |
| 2 | BOSTON SCIENTIFIC CORP BSX | $1.04B | 5.40% | 31,816,197 | +13,324,535 | +72.06% | 3.92% | 2015-09-30 | $33 | ~$39 | -16.88% | |
| 3 | NETFLIX INC NFLX | $998.5M | 5.20% | 2,659,247 | -873,391 | -24.72% | 5.35% | 2014-06-30 | $375 | ~$309 | +21.63% | |
| 4 | CENTENE CORP DEL CNC | $964.3M | 5.02% | 16,230,552 | +5,323,440 | +48.81% | 3.21% | 2014-06-30 | $59 | ~$55 | +8.35% | |
| 5 | ADAPTIVE BIOTECHNOLOGIES COR ADPT | $930.5M | 4.84% | 33,493,708 | -4,912,899 | -12.79% | 5.38% | 2019-06-30 | $28 | ~$48 | -42.48% | |
| 6 | MICROSOFT CORP MSFT | $772.8M | 4.02% | 4,900,338 | +3,530,518 | +257.74% | 1.01% | 2016-06-30 | $158 | ~$134 | +17.49% | |
| 7 | BRIDGEBIO PHARMA INC BBIO | $772.0M | 4.02% | 26,620,991 | +0 | +0.00% | 4.37% | 2019-06-30 | $29 | ~$27 | +7.53% | |
| 8 | JD COM INC JD | $763.8M | 3.98% | 18,858,480 | -3,367,387 | -15.15% | 3.67% | 2015-09-30 | $40 | ~$32 | +27.01% | |
| 9 | UBER TECHNOLOGIES INC UBER | $732.2M | 3.81% | 26,226,216 | -11,865,797 | -31.15% | 5.31% | 2019-06-30 | $28 | ~$36 | -22.58% | |
| 10 | COMCAST CORP NEW CMCSA | $615.5M | 3.20% | 17,902,783 | +17,612,726 | +6072.16% | 0.06% | 2013-06-30 | $34 | ~$39 | -12.68% | |
| 11 | FORTIVE CORP FTV | $519.7M | 2.71% | 9,416,697 | +2,252,849 | +31.45% | 2.56% | 2019-09-30 | $55 | ~$69 | -19.86% | |
| 12 | SALESFORCE COM INC CRM | $504.9M | 2.63% | 3,506,928 | -860,794 | -19.71% | 3.33% | 2016-09-30 | $144 | ~$140 | +2.79% | |
| 13 | LOWES COS INC LOW | $470.7M | 2.45% | 5,470,144 | +1,045,758 | +23.64% | 2.48% | 2013-09-30 | $86 | ~$99 | -12.91% | |
| 14 | FIDELITY NATL INFORMATION SV FIS | $462.2M | 2.41% | 3,799,548 | +3,244,748 | +584.85% | 0.36% | 2019-12-31 | $122 | ~$132 | -7.60% | |
| 15 | CIGNA CORP NEW CI | $451.4M | 2.35% | 2,547,958 | +2,090,750 | +457.29% | 0.44% | 2019-12-31 | $177 | ~$193 | -8.33% | |
| 16 | ANTHEM INC ELV | $411.1M | 2.14% | 1,810,632 | -1,275,567 | -41.33% | 4.37% | 2014-12-31 | $227 | ~$225 | +0.87% | |
| 17 | AON PLC | $378.0M | 1.97% | 2,290,520 | +1,518,493 | +196.69% | 0.75% | 2014-09-30 | $165 | ~$167 | -1.09% | |
| 18 | JPMORGAN CHASE & CO JPM | $367.8M | 1.91% | 4,085,317 | +4,085,317 | 2017-03-31 | $90 | ~$88 | +2.37% | |||
| 19 | ALPHABET INC GOOGL | $363.9M | 1.89% | 313,179 | +257,894 | +466.48% | 0.35% | 2015-12-31 | $1,162 | ~$1,225 | -5.17% | |
| 20 | FACEBOOK INC META | $335.1M | 1.74% | 2,009,125 | -4,354,449 | -68.43% | 6.12% | 2013-09-30 | $167 | ~$169 | -1.39% | |
| 21 | AMERICAN EXPRESS CO AXP | $332.0M | 1.73% | 3,878,280 | +3,878,280 | 2015-03-31 | $86 | ~$79 | +8.38% | |||
| 22 | WORKDAY INC WDAY | $320.6M | 1.67% | 2,461,978 | +2,461,978 | 2013-09-30 | $130 | ~$87 | +49.00% | |||
| 23 | INGERSOLL RAND INC IR | $297.9M | 1.55% | 12,012,233 | +12,012,233 | 2020-03-31 | $25 | ~$25 | +0.00% | |||
| 24 | CME GROUP INC CME | $294.3M | 1.53% | 1,701,973 | +1,701,973 | 2014-03-31 | $173 | ~$107 | +61.23% | |||
| 25 | MICRON TECHNOLOGY INC MU | $282.3M | 1.47% | 6,711,669 | +6,711,669 | 2013-06-30 | $42 | ~$41 | +1.59% | |||
| 26 | GUARDANT HEALTH INC GH | $264.4M | 1.38% | 3,798,450 | -36,303 | -0.95% | 1.40% | 2019-09-30 | $70 | ~$66 | +6.06% | |
| 27 | NORFOLK SOUTHERN CORP NSC | $258.1M | 1.34% | 1,767,825 | +1,144,243 | +183.50% | 0.57% | 2017-06-30 | $146 | ~$156 | -6.50% | |
| 28 | BOOKING HLDGS INC BKNG | $251.5M | 1.31% | 186,944 | +59,268 | +46.42% | 1.23% | 2019-03-31 | $1,345 | ~$1,787 | -24.70% | |
| 29 | ASSURANT INC AIZ | $223.6M | 1.16% | 2,148,405 | +287,138 | +15.43% | 1.14% | 2019-06-30 | $104 | ~$117 | -11.22% | |
| 30 | O REILLY AUTOMOTIVE INC NEW ORLY | $201.5M | 1.05% | 669,339 | +669,339 | 2013-12-31 | $301 | ~$194 | +55.10% |