Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2014-03-31
$23.84B
Positions
60
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 | WALGREEN CO | $1.59B | 6.68% | 24,105,841 | +12,500,897 | +107.72% | 3.11% | 2013-12-31 | $66 | ~$60 | +10.66% | |
| 2 | TIME WARNER INC TWXCHF | $1.41B | 5.93% | 21,649,553 | +8,223,879 | +61.25% | 4.37% | 2013-06-30 | $65 | ~$62 | +6.22% | |
| 3 | ILLUMINA INC ILMN | $1.32B | 5.53% | 8,866,245 | +7,169,283 | +422.48% | 0.88% | 2013-12-31 | $149 | ~$126 | +18.00% | |
| 4 | VALEANT PHARMACEUTICALS INTL | $1.23B | 5.14% | 9,296,143 | +967,139 | +11.61% | 4.56% | 2013-06-30 | $132 | ~$90 | +46.33% | |
| 5 | TWENTY FIRST CENTY FOX INC | $1.21B | 5.09% | 37,933,856 | +7,843,885 | +26.07% | 4.94% | 2013-09-30 | $32 | ~$34 | -4.98% | |
| 6 | THERMO FISHER SCIENTIFIC INC TMO | $1.16B | 4.88% | 9,668,639 | -707,017 | -6.81% | 5.39% | 2013-06-30 | $120 | ~$85 | +40.96% | |
| 7 | LYONDELLBASELL INDUSTRIES N | $1.14B | 4.80% | 12,859,004 | +4,888,256 | +61.33% | 2.99% | 2013-06-30 | $89 | ~$73 | +21.44% | |
| 8 | LOWES COS INC LOW | $885.7M | 3.72% | 18,112,568 | +328,832 | +1.85% | 4.11% | 2013-09-30 | $49 | ~$48 | +2.60% | |
| 9 | CAPITAL ONE FINL CORP COF | $841.1M | 3.53% | 10,900,417 | -1,735,335 | -13.73% | 4.52% | 2013-06-30 | $77 | ~$63 | +22.46% | |
| 10 | BAIDU INC BIDU | $645.5M | 2.71% | 4,238,958 | +2,727,117 | +180.38% | 1.26% | 2013-09-30 | $152 | ~$162 | -5.74% | |
| 11 | VALERO ENERGY CORP NEW VLO | $644.2M | 2.70% | 12,131,872 | -3,800,117 | -23.85% | 3.75% | 2013-06-30 | $53 | ~$38 | +38.35% | |
| 12 | MICHAEL KORS HLDGS LTD | $622.0M | 2.61% | 6,668,939 | -1,673,666 | -20.06% | 3.16% | 2013-06-30 | $93 | ~$62 | +50.39% | |
| 13 | CANADIAN PAC RY LTD | $605.2M | 2.54% | 4,023,047 | -27,421 | -0.68% | 2.86% | 2013-12-31 | $150 | ~$151 | -0.59% | |
| 14 | CONSTELLATION BRANDS INC STZ | $596.0M | 2.50% | 7,014,138 | +1,525,078 | +27.78% | 1.80% | 2013-09-30 | $85 | ~$65 | +30.79% | |
| 15 | VISA INC V | $592.7M | 2.49% | 2,745,651 | +183,614 | +7.17% | 2.66% | 2013-06-30 | $216 | ~$187 | +15.47% | |
| 16 | MASTERCARD INC MA | $577.6M | 2.42% | 7,732,820 | +7,090,733 | +1104.33% | 2.50% | 2013-06-30 | $75 | ~$61 | +22.20% | |
| 17 | FACEBOOK INC META | $531.4M | 2.23% | 8,821,514 | -9,479,888 | -51.80% | 4.67% | 2013-09-30 | $60 | ~$52 | +16.06% | |
| 18 | MONDELEZ INTL INC MDLZ | $529.1M | 2.22% | 15,312,675 | +10,146,151 | +196.38% | 0.85% | 2013-12-31 | $35 | ~$35 | -1.43% | |
| 19 | BLOCK H & R INC HRB | $514.9M | 2.16% | 17,053,916 | -516,863 | -2.94% | 2.38% | 2013-06-30 | $30 | ~$28 | +8.76% | |
| 20 | MICRON TECHNOLOGY INC MU | $489.0M | 2.05% | 20,667,617 | -7,492,518 | -26.61% | 2.86% | 2013-06-30 | $24 | ~$16 | +51.80% | |
| 21 | CAMERON INTERNATIONAL CORP | $482.5M | 2.02% | 7,811,219 | +4,100,124 | +110.48% | 1.03% | 2013-09-30 | $62 | ~$60 | +3.28% | |
| 22 | MONSANTO CO NEW | $352.4M | 1.48% | 3,097,531 | -366,506 | -10.58% | 1.88% | 2013-06-30 | $114 | ~$99 | +14.96% | |
| 23 | MOHAWK INDS INC MHK | $341.7M | 1.43% | 2,512,888 | +1,861,838 | +285.97% | 0.45% | 2013-12-31 | $136 | ~$144 | -5.64% | |
| 24 | AMERICAN INTL GROUP INC AIG | $316.2M | 1.33% | 6,323,360 | +5,463,338 | +635.26% | 0.20% | 2013-12-31 | $50 | ~$51 | -1.17% | |
| 25 | REGENERON PHARMACEUTICALS REGN | $315.8M | 1.32% | 1,051,800 | +1,051,800 | 2014-03-31 | $300 | ~$300 | +0.00% | |||
| 26 | CONCHO RES INC CXOEUR | $312.1M | 1.31% | 2,547,520 | +764,441 | +42.87% | 0.90% | 2013-12-31 | $122 | ~$110 | +11.19% | |
| 27 | PIONEER NAT RES CO PXDEUR | $306.4M | 1.29% | 1,637,536 | +1,637,536 | 2014-03-31 | $187 | ~$187 | +0.00% | |||
| 28 | WORKDAY INC WDAY | $285.6M | 1.20% | 3,123,549 | +3,123,549 | 2013-09-30 | $91 | ~$86 | +6.93% | |||
| 29 | AUTODESK INC ADSK | $281.9M | 1.18% | 5,731,636 | +5,731,636 | 2014-03-31 | $49 | ~$49 | +0.00% | |||
| 30 | ALEXION PHARMACEUTICALS INC ALXN | $279.4M | 1.17% | 1,836,658 | -1,040,350 | -36.16% | 1.78% | 2013-06-30 | $152 | ~$92 | +64.93% |