Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2016-09-30
$23.18B
Positions
62
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 | AMAZON COM INC AMZN | $2.45B | 10.58% | 2,929,305 | -349,679 | -10.66% | 9.97% | 2015-06-30 | $837 | ~$492 | +70.20% | |
| 2 | FACEBOOK INC META | $2.40B | 10.37% | 18,749,410 | -1,395,549 | -6.93% | 9.78% | 2013-09-30 | $128 | ~$86 | +48.75% | |
| 3 | TEVA PHARMACEUTICAL INDS LTD TEVA | $905.7M | 3.91% | 19,684,219 | -8,052,436 | -29.03% | 5.92% | 2015-03-31 | $46 | ~$60 | -23.66% | |
| 4 | BROADCOM LTD | $786.0M | 3.39% | 4,555,957 | -5,663,754 | -55.42% | 6.75% | 2016-03-31 | $173 | ~$155 | +11.65% | |
| 5 | AIR PRODS & CHEMS INC APD | $725.0M | 3.13% | 4,822,354 | -2,122,048 | -30.56% | 4.19% | 2014-09-30 | $150 | ~$137 | +9.48% | |
| 6 | BIOGEN INC BIIB | $684.4M | 2.95% | 2,186,336 | -1,024,171 | -31.90% | 3.30% | 2013-06-30 | $313 | ~$252 | +24.35% | |
| 7 | T MOBILE US INC TMUS | $642.7M | 2.77% | 13,756,149 | -210,391 | -1.51% | 2.57% | 2015-03-31 | $47 | ~$39 | +19.67% | |
| 8 | LILLY ELI & CO LLY | $489.0M | 2.11% | 6,092,264 | -3,285,131 | -35.03% | 3.14% | 2015-03-31 | $80 | ~$72 | +10.91% | |
| 9 | NETFLIX INC NFLX | $259.7M | 1.12% | 2,635,267 | -3,653,304 | -58.09% | 2.44% | 2014-06-30 | $99 | ~$83 | +18.60% | |
| 10 | SHIRE PLC | $148.3M | 0.64% | 764,762 | -398,025 | -34.23% | 0.91% | 2013-06-30 | $194 | ~$172 | +12.66% | |
| 11 | AMERICAN INTL GROUP INC AIG | $147.9M | 0.64% | 2,493,049 | -841,919 | -25.25% | 0.75% | 2013-12-31 | $59 | ~$55 | +7.16% | |
| 12 | HUMANA INC HUM | $113.3M | 0.49% | 640,646 | -171,178 | -21.09% | 0.62% | 2013-06-30 | $177 | ~$167 | +5.96% | |
| 13 | ALIBABA GROUP HLDG LTD BABA | $102.3M | 0.44% | 966,858 | -3,063,900 | -76.01% | 1.36% | 2014-09-30 | $106 | ~$83 | +26.91% | |
| 14 | WALGREENS BOOTS ALLIANCE INC WBA | $96.1M | 0.41% | 1,191,911 | -2,277,801 | -65.65% | 1.23% | 2014-12-31 | $81 | ~$80 | +1.28% | |
| 15 | ENVISION HEALTHCARE HLDGS IN | $76.2M | 0.33% | 3,419,495 | -4,397,763 | -56.26% | 0.84% | 2015-03-31 | $22 | ~$33 | -32.89% | |
| 16 | 58 COM INC WUBAUSD | $33.5M | 0.14% | 702,041 | -2,816,764 | -80.05% | 0.69% | 2015-09-30 | $48 | ~$52 | -8.58% | |
| 17 | KITE PHARMA INC | $28.9M | 0.12% | 516,815 | -2,008,682 | -79.54% | 0.54% | 2014-09-30 | $56 | ~$53 | +5.92% | |
| 18 | ECLIPSE RES CORP | $24.0M | 0.10% | 7,285,682 | -82,755 | -1.12% | 0.10% | 2016-03-31 | $3 | ~$2 | +39.73% |