Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2015-09-30
$26.09B
Positions
63
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 | ALLERGAN PLC | $1.96B | 7.50% | 7,202,384 | +398,350 | +5.85% | 7.80% | 2015-06-30 | $272 | ~$303 | -10.17% | |
| 2 | AMAZON COM INC AMZN | $1.54B | 5.92% | 3,017,764 | +735,203 | +32.21% | 3.74% | 2015-06-30 | $512 | ~$444 | +15.40% | |
| 3 | LYONDELLBASELL INDUSTRIES N | $1.13B | 4.31% | 13,505,956 | +2,779,572 | +25.91% | 4.19% | 2013-06-30 | $83 | ~$85 | -2.16% | |
| 4 | VALEANT PHARMACEUTICALS INTL | $890.7M | 3.41% | 4,993,353 | +376,615 | +8.16% | 3.87% | 2013-06-30 | $178 | ~$119 | +50.38% | |
| 5 | AVAGO TECHNOLOGIES LTD | $867.5M | 3.32% | 6,939,487 | +2,170,473 | +45.51% | 2.39% | 2015-06-30 | $125 | ~$132 | -5.07% | |
| 6 | ANTHEM INC ELV | $827.9M | 3.17% | 5,913,640 | +4,006,939 | +210.15% | 1.18% | 2014-12-31 | $140 | ~$146 | -4.43% | |
| 7 | PIONEER NAT RES CO PXDEUR | $810.5M | 3.11% | 6,663,287 | +272,035 | +4.26% | 3.35% | 2014-03-31 | $122 | ~$197 | -38.41% | |
| 8 | AIR PRODS & CHEMS INC APD | $754.9M | 2.89% | 5,917,221 | +11,502 | +0.19% | 3.05% | 2014-09-30 | $128 | ~$137 | -7.12% | |
| 9 | HUMANA INC HUM | $689.8M | 2.64% | 3,853,454 | +646,615 | +20.16% | 2.32% | 2013-06-30 | $179 | ~$165 | +8.17% | |
| 10 | CHENIERE ENERGY INC LNG | $630.7M | 2.42% | 13,058,335 | +1,733,943 | +15.31% | 2.96% | 2014-09-30 | $48 | ~$74 | -34.82% | |
| 11 | MCKESSON CORP MCK | $420.8M | 1.61% | 2,274,228 | +1,648,660 | +263.55% | 0.53% | 2013-12-31 | $185 | ~$193 | -4.10% | |
| 12 | BANK NEW YORK MELLON CORP BK | $402.8M | 1.54% | 10,289,868 | +1,876,577 | +22.30% | 1.33% | 2014-09-30 | $39 | ~$39 | +0.22% | |
| 13 | AETNA INC NEW | $380.7M | 1.46% | 3,479,173 | +381,574 | +12.32% | 1.49% | 2013-06-30 | $109 | ~$97 | +13.09% | |
| 14 | ALLSTATE CORP ALL | $290.0M | 1.11% | 4,979,240 | +3,545,960 | +247.40% | 0.35% | 2013-06-30 | $58 | ~$58 | +0.96% | |
| 15 | TRANSDIGM GROUP INC TDG | $241.9M | 0.93% | 1,138,974 | +680,798 | +148.59% | 0.39% | 2015-06-30 | $212 | ~$221 | -3.89% | |
| 16 | CITIGROUP INC C | $221.6M | 0.85% | 4,467,100 | +1,529,810 | +52.08% | 0.61% | 2013-12-31 | $50 | ~$52 | -4.87% | |
| 17 | AMERICAN INTL GROUP INC AIG | $160.5M | 0.61% | 2,823,940 | +1,509,131 | +114.78% | 0.31% | 2013-12-31 | $57 | ~$55 | +2.43% | |
| 18 | QUNAR CAYMAN IS LTD | $143.8M | 0.55% | 4,780,548 | +2,248,559 | +88.81% | 0.41% | 2014-12-31 | $30 | ~$37 | -17.71% | |
| 19 | KITE PHARMA INC | $137.7M | 0.53% | 2,472,580 | +1,795,246 | +265.05% | 0.16% | 2014-09-30 | $56 | ~$53 | +4.49% |