Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2018-12-31
$17.57B
Positions
57
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 | ALIBABA GROUP HLDG LTD BABA | $1.40B | 7.95% | 10,184,489 | +710,192 | +7.50% | 8.64% | 2014-09-30 | $137 | ~$163 | -15.96% | |
| 2 | ANTHEM INC ELV | $1.34B | 7.62% | 5,098,247 | +315,448 | +6.60% | 7.26% | 2014-12-31 | $263 | ~$214 | +22.50% | |
| 3 | MICROSOFT CORP MSFT | $1.34B | 7.61% | 13,172,062 | +2,904,018 | +28.28% | 6.50% | 2016-06-30 | $102 | ~$74 | +37.77% | |
| 4 | AMAZON COM INC AMZN | $997.0M | 5.67% | 663,784 | +478,683 | +258.61% | 2.05% | 2015-06-30 | $1,502 | ~$1,662 | -9.61% | |
| 5 | NETFLIX INC NFLX | $810.9M | 4.62% | 3,029,736 | +2,441,763 | +415.28% | 1.22% | 2014-06-30 | $268 | ~$297 | -9.88% | |
| 6 | ALPHABET INC GOOGL | $810.9M | 4.62% | 775,969 | +718,057 | +1239.91% | 0.39% | 2015-12-31 | $1,045 | ~$1,107 | -5.60% | |
| 7 | VISA INC V | $808.9M | 4.60% | 6,130,962 | +4,881,187 | +390.57% | 1.04% | 2013-06-30 | $132 | ~$130 | +1.49% | |
| 8 | MARATHON PETE CORP MPC | $781.1M | 4.45% | 13,236,261 | +6,085,160 | +85.09% | 3.17% | 2013-06-30 | $59 | ~$70 | -15.96% | |
| 9 | UNITED TECHNOLOGIES CORP UTXZ | $743.6M | 4.23% | 6,983,646 | +1,094,482 | +18.58% | 4.56% | 2016-12-31 | $106 | ~$121 | -11.85% | |
| 10 | UNITEDHEALTH GROUP INC UNH | $710.8M | 4.05% | 2,853,362 | +1,608,680 | +129.24% | 1.83% | 2016-12-31 | $249 | ~$217 | +14.64% | |
| 11 | SALESFORCE COM INC CRM | $708.8M | 4.03% | 5,174,593 | +2,990,641 | +136.94% | 1.92% | 2016-09-30 | $137 | ~$133 | +2.85% | |
| 12 | FACEBOOK INC META | $628.8M | 3.58% | 4,796,694 | +3,015,877 | +169.35% | 1.62% | 2013-09-30 | $131 | ~$143 | -8.22% | |
| 13 | BIOMARIN PHARMACEUTICAL INC BMRN | $433.6M | 2.47% | 5,091,637 | +962,696 | +23.32% | 2.22% | 2016-03-31 | $85 | ~$89 | -4.41% | |
| 14 | ILLUMINA INC ILMN | $343.1M | 1.95% | 1,143,954 | +758,764 | +196.98% | 0.78% | 2013-12-31 | $300 | ~$273 | +10.01% | |
| 15 | BERRY GLOBAL GROUP INC BERYEUR | $262.2M | 1.49% | 5,517,250 | +334,622 | +6.46% | 1.39% | 2018-09-30 | $48 | ~$48 | -1.72% | |
| 16 | EXACT SCIENCES CORP EXK | $249.9M | 1.42% | 3,960,011 | +2,665,361 | +205.88% | 0.57% | 2018-09-30 | $63 | ~$74 | -14.26% | |
| 17 | T MOBILE US INC TMUS | $219.6M | 1.25% | 3,452,893 | +531,503 | +18.19% | 1.14% | 2015-03-31 | $64 | ~$43 | +46.81% | |
| 18 | PROGRESSIVE CORP OHIO PGR | $208.7M | 1.19% | 3,459,941 | +2,173,871 | +169.03% | 0.51% | 2016-03-31 | $60 | ~$57 | +5.75% | |
| 19 | BOSTON SCIENTIFIC CORP BSX | $183.8M | 1.05% | 5,201,828 | +2,045,827 | +64.82% | 0.67% | 2015-09-30 | $35 | ~$28 | +27.33% | |
| 20 | CENTENE CORP DEL CNC | $110.8M | 0.63% | 961,252 | +352,145 | +57.81% | 0.49% | 2014-06-30 | $115 | ~$85 | +36.36% | |
| 21 | AON PLC | $76.1M | 0.43% | 523,807 | +40,939 | +8.48% | 0.41% | 2014-09-30 | $145 | ~$100 | +45.26% | |
| 22 | IQIYI INC IQ | $65.8M | 0.37% | 4,427,950 | +2,849,950 | +180.61% | 0.24% | 2018-03-31 | $15 | ~$19 | -21.89% | |
| 23 | BLUEPRINT MEDICINES CORP 2655787D | $64.7M | 0.37% | 1,200,322 | +1,089,222 | +980.40% | 0.05% | 2018-09-30 | $54 | ~$67 | -19.66% | |
| 24 | CATALENT INC CTLTEUR | $49.2M | 0.28% | 1,578,431 | +75,712 | +5.04% | 0.38% | 2018-03-31 | $31 | ~$41 | -24.08% | |
| 25 | ANAPTYSBIO INC ANAB | $47.6M | 0.27% | 746,037 | +136,098 | +22.31% | 0.34% | 2018-03-31 | $64 | ~$97 | -33.90% | |
| 26 | AMNEAL PHARMACEUTICALS INC AMRX | $31.8M | 0.18% | 2,353,204 | +815,629 | +53.05% | 0.19% | 2018-09-30 | $14 | ~$21 | -34.60% |