Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2015-03-31
$25.81B
Positions
58
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 | ACTAVIS PLC | $1.82B | 7.04% | 6,105,536 | +1,519,644 | +33.14% | 5.42% | 2013-12-31 | $298 | ~$237 | +25.38% | |
| 2 | ILLUMINA INC ILMN | $1.58B | 6.12% | 8,506,696 | +213,291 | +2.57% | 7.03% | 2013-12-31 | $186 | ~$131 | +41.91% | |
| 3 | WALGREENS BOOTS ALLIANCE INC WBA | $1.24B | 4.79% | 14,602,703 | -4,331,009 | -22.87% | 6.62% | 2014-12-31 | $85 | ~$76 | +11.13% | |
| 4 | CHENIERE ENERGY INC LNG | $1.20B | 4.63% | 15,447,556 | +5,493,823 | +55.19% | 3.22% | 2014-09-30 | $77 | ~$76 | +1.25% | |
| 5 | AIR PRODS & CHEMS INC APD | $1.19B | 4.60% | 7,848,566 | +2,488,096 | +46.42% | 3.55% | 2014-09-30 | $151 | ~$137 | +10.13% | |
| 6 | CANADIAN PAC RY LTD | $1.13B | 4.38% | 6,187,194 | +2,136,957 | +52.76% | 3.58% | 2013-12-31 | $183 | ~$180 | +1.26% | |
| 7 | PIONEER NAT RES CO PXDEUR | $949.9M | 3.68% | 5,809,207 | -777,729 | -11.81% | 4.50% | 2014-03-31 | $164 | ~$205 | -20.35% | |
| 8 | GOOGLE INC | $908.8M | 3.52% | 1,638,449 | +895,988 | +120.68% | 1.81% | 2014-09-30 | $555 | ~$563 | -1.54% | |
| 9 | MONDELEZ INTL INC MDLZ | $865.1M | 3.35% | 23,969,688 | +9,732,382 | +68.36% | 2.37% | 2013-12-31 | $36 | ~$36 | +1.46% | |
| 10 | MICRON TECHNOLOGY INC MU | $845.0M | 3.27% | 31,146,060 | +10,982,316 | +54.47% | 3.24% | 2013-06-30 | $27 | ~$23 | +19.66% | |
| 11 | MOHAWK INDS INC MHK | $815.6M | 3.16% | 4,391,058 | +438,998 | +11.11% | 2.82% | 2013-12-31 | $186 | ~$143 | +29.75% | |
| 12 | VALEANT PHARMACEUTICALS INTL | $806.1M | 3.12% | 4,058,343 | -5,018,664 | -55.29% | 5.96% | 2013-06-30 | $199 | ~$98 | +101.81% | |
| 13 | MASTERCARD INC MA | $714.0M | 2.77% | 8,264,648 | +3,960,494 | +92.02% | 1.70% | 2013-06-30 | $86 | ~$76 | +13.85% | |
| 14 | KANSAS CITY SOUTHERN KSUEUR | $696.5M | 2.70% | 6,823,185 | +3,625,419 | +113.37% | 1.79% | 2014-03-31 | $102 | ~$109 | -6.68% | |
| 15 | LYONDELLBASELL INDUSTRIES N | $677.5M | 2.62% | 7,715,926 | +3,666,645 | +90.55% | 1.48% | 2013-06-30 | $88 | ~$78 | +12.34% | |
| 16 | SEALED AIR CORP NEW SDA | $659.5M | 2.56% | 14,475,213 | +11,243,660 | +347.93% | 0.63% | 2014-12-31 | $46 | ~$44 | +4.39% | |
| 17 | ALIBABA GROUP HLDG LTD BABA | $578.1M | 2.24% | 6,944,666 | +3,235,980 | +87.25% | 1.77% | 2014-09-30 | $83 | ~$91 | -8.59% | |
| 18 | DAVITA HEALTHCARE PARTNERS I DVA | $517.2M | 2.00% | 6,362,827 | +1,896,087 | +42.45% | 1.55% | 2013-12-31 | $81 | ~$71 | +13.87% | |
| 19 | BAIDU INC BIDU | $507.2M | 1.97% | 2,433,916 | -457,915 | -15.83% | 3.03% | 2013-09-30 | $208 | ~$187 | +11.52% | |
| 20 | THERMO FISHER SCIENTIFIC INC TMO | $474.5M | 1.84% | 3,531,837 | -2,254,673 | -38.96% | 3.33% | 2013-06-30 | $134 | ~$85 | +57.49% | |
| 21 | CITIGROUP INC C | $466.4M | 1.81% | 9,052,145 | -2,168,129 | -19.32% | 2.79% | 2013-12-31 | $52 | ~$52 | -0.93% | |
| 22 | AMERICAN INTL GROUP INC AIG | $462.5M | 1.79% | 8,442,018 | +8,442,018 | 2013-12-31 | $55 | ~$51 | +7.32% | |||
| 23 | GOOGLE INC | $461.0M | 1.79% | 841,187 | +841,187 | 2015-03-31 | $548 | ~$548 | +0.00% | |||
| 24 | MALLINCKRODT PUB LTD CO | $448.0M | 1.74% | 3,537,330 | +3,537,330 | 2015-03-31 | $127 | ~$127 | +0.00% | |||
| 25 | BANK NEW YORK MELLON CORP BK | $447.1M | 1.73% | 11,111,499 | -754,562 | -6.36% | 2.21% | 2014-09-30 | $40 | ~$39 | +3.90% | |
| 26 | NXP SEMICONDUCTORS N V | $441.8M | 1.71% | 4,402,222 | -1,009,373 | -18.65% | 1.90% | 2014-03-31 | $100 | ~$66 | +51.71% | |
| 27 | CANADIAN NATL RY CO CNI | $420.1M | 1.63% | 6,281,715 | +6,281,715 | 2015-03-31 | $67 | ~$67 | +0.00% | |||
| 28 | CROWN CASTLE INTL CORP NEW CCI | $375.8M | 1.46% | 4,553,370 | +121,513 | +2.74% | 1.60% | 2014-12-31 | $83 | ~$79 | +4.81% | |
| 29 | METLIFE INC MET | $336.8M | 1.31% | 6,663,463 | +6,663,463 | 2013-06-30 | $51 | ~$51 | -0.76% | |||
| 30 | ENVISION HEALTHCARE HLDGS IN | $262.8M | 1.02% | 6,851,544 | +6,851,544 | 2015-03-31 | $38 | ~$38 | +0.00% |