Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2015-06-30
$26.47B
Positions
56
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 | WALGREENS BOOTS ALLIANCE INC WBA | $2.08B | 7.86% | 24,625,113 | +10,022,410 | +68.63% | 4.79% | 2014-12-31 | $84 | ~$80 | +6.08% | |
| 2 | ALLERGAN PLC | $2.06B | 7.80% | 6,804,034 | +6,804,034 | 2015-06-30 | $303 | ~$303 | +0.00% | |||
| 3 | GOOGLE INC | $1.48B | 5.58% | 2,736,152 | +1,097,703 | +67.00% | 3.52% | 2014-09-30 | $540 | ~$557 | -3.04% | |
| 4 | LYONDELLBASELL INDUSTRIES N | $1.11B | 4.19% | 10,726,384 | +3,010,458 | +39.02% | 2.62% | 2013-06-30 | $104 | ~$83 | +24.62% | |
| 5 | ILLUMINA INC ILMN | $1.09B | 4.10% | 4,968,956 | -3,537,740 | -41.59% | 6.12% | 2013-12-31 | $218 | ~$131 | +66.92% | |
| 6 | VALEANT PHARMACEUTICALS INTL | $1.03B | 3.87% | 4,616,738 | +558,395 | +13.76% | 3.12% | 2013-06-30 | $222 | ~$112 | +98.41% | |
| 7 | AMAZON COM INC AMZN | $990.8M | 3.74% | 2,282,561 | +2,282,561 | 2015-06-30 | $434 | ~$434 | +0.00% | |||
| 8 | PIONEER NAT RES CO PXDEUR | $886.4M | 3.35% | 6,391,252 | +582,045 | +10.02% | 3.68% | 2014-03-31 | $139 | ~$200 | -30.78% | |
| 9 | CANADIAN PAC RY LTD | $845.4M | 3.19% | 5,276,195 | -910,999 | -14.72% | 4.38% | 2013-12-31 | $160 | ~$180 | -11.19% | |
| 10 | MOHAWK INDS INC MHK | $823.0M | 3.11% | 4,311,113 | -79,945 | -1.82% | 3.16% | 2013-12-31 | $191 | ~$143 | +33.34% | |
| 11 | AIR PRODS & CHEMS INC APD | $808.1M | 3.05% | 5,905,719 | -1,942,847 | -24.75% | 4.60% | 2014-09-30 | $137 | ~$137 | -0.39% | |
| 12 | CHENIERE ENERGY INC LNG | $784.3M | 2.96% | 11,324,392 | -4,123,164 | -26.69% | 4.63% | 2014-09-30 | $69 | ~$76 | -9.40% | |
| 13 | MASTERCARD INC MA | $768.3M | 2.90% | 8,218,696 | -45,952 | -0.56% | 2.77% | 2013-06-30 | $93 | ~$76 | +23.20% | |
| 14 | METLIFE INC MET | $659.6M | 2.49% | 11,780,357 | +5,116,894 | +76.79% | 1.31% | 2013-06-30 | $56 | ~$52 | +7.77% | |
| 15 | SEALED AIR CORP NEW SDA | $658.6M | 2.49% | 12,818,029 | -1,657,184 | -11.45% | 2.56% | 2014-12-31 | $51 | ~$44 | +17.72% | |
| 16 | MALLINCKRODT PUB LTD CO | $637.5M | 2.41% | 5,415,671 | +1,878,341 | +53.10% | 1.74% | 2015-03-31 | $118 | ~$125 | -5.90% | |
| 17 | AVAGO TECHNOLOGIES LTD | $633.9M | 2.39% | 4,769,014 | +4,769,014 | 2015-06-30 | $133 | ~$133 | +0.00% | |||
| 18 | HUMANA INC HUM | $613.4M | 2.32% | 3,206,839 | +1,826,608 | +132.34% | 0.95% | 2013-06-30 | $191 | ~$162 | +18.43% | |
| 19 | GOOGLE INC | $597.3M | 2.26% | 1,147,549 | +306,362 | +36.42% | 1.79% | 2015-03-31 | $521 | ~$544 | -4.38% | |
| 20 | ALIBABA GROUP HLDG LTD BABA | $497.0M | 1.88% | 6,041,685 | -902,981 | -13.00% | 2.24% | 2014-09-30 | $82 | ~$91 | -9.65% | |
| 21 | ENVISION HEALTHCARE HLDGS IN | $485.7M | 1.84% | 12,303,668 | +5,452,124 | +79.58% | 1.02% | 2015-03-31 | $39 | ~$39 | +2.28% | |
| 22 | CIGNA CORPORATION | $472.2M | 1.78% | 2,914,815 | +2,914,815 | 2014-12-31 | $162 | ~$131 | +24.04% | |||
| 23 | CROWN CASTLE INTL CORP NEW CCI | $444.1M | 1.68% | 5,530,352 | +976,982 | +21.46% | 1.46% | 2014-12-31 | $80 | ~$79 | +1.36% | |
| 24 | KANSAS CITY SOUTHERN KSUEUR | $438.1M | 1.66% | 4,803,641 | -2,019,544 | -29.60% | 2.70% | 2014-03-31 | $91 | ~$109 | -16.63% | |
| 25 | CTRIP COM INTL LTD CTRPUSD | $418.6M | 1.58% | 5,764,514 | +1,541,620 | +36.51% | 0.96% | 2014-06-30 | $73 | ~$58 | +24.44% | |
| 26 | DAVITA HEALTHCARE PARTNERS I DVA | $394.9M | 1.49% | 4,968,551 | -1,394,276 | -21.91% | 2.00% | 2013-12-31 | $79 | ~$71 | +11.33% | |
| 27 | AETNA INC NEW | $394.8M | 1.49% | 3,097,599 | +3,097,599 | 2013-06-30 | $127 | ~$94 | +35.49% | |||
| 28 | BANK NEW YORK MELLON CORP BK | $353.1M | 1.33% | 8,413,291 | -2,698,208 | -24.28% | 1.73% | 2014-09-30 | $42 | ~$39 | +8.37% | |
| 29 | ANTHEM INC ELV | $313.0M | 1.18% | 1,906,701 | +1,906,701 | 2014-12-31 | $164 | ~$135 | +21.79% | |||
| 30 | WHITING PETE CORP NEW | $290.8M | 1.10% | 8,653,431 | +8,653,431 | 2015-06-30 | $34 | ~$34 | +0.00% |