Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2014-09-30
$24.90B
Positions
59
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 | ILLUMINA INC ILMN | $1.42B | 5.69% | 8,650,670 | +657,826 | +8.23% | 6.23% | 2013-12-31 | $164 | ~$129 | +26.65% | |
| 2 | PIONEER NAT RES CO PXDEUR | $1.34B | 5.37% | 6,783,641 | +2,710,805 | +66.56% | 4.09% | 2014-03-31 | $197 | ~$205 | -4.05% | |
| 3 | VALEANT PHARMACEUTICALS INTL | $1.31B | 5.25% | 9,967,690 | -1,863,242 | -15.75% | 6.51% | 2013-06-30 | $131 | ~$98 | +33.31% | |
| 4 | WALGREEN CO | $1.23B | 4.93% | 20,711,731 | +574,577 | +2.85% | 6.52% | 2013-12-31 | $59 | ~$60 | -0.99% | |
| 5 | LOWES COS INC LOW | $1.03B | 4.13% | 19,424,638 | -3,483,330 | -15.21% | 4.80% | 2013-09-30 | $53 | ~$48 | +10.65% | |
| 6 | ALIBABA GROUP HLDG LTD BABA | $1.01B | 4.06% | 11,387,526 | +11,387,526 | 2014-09-30 | $89 | ~$89 | +0.00% | |||
| 7 | THERMO FISHER SCIENTIFIC INC TMO | $970.7M | 3.90% | 7,976,502 | -294,778 | -3.56% | 4.26% | 2013-06-30 | $122 | ~$85 | +42.67% | |
| 8 | MASTERCARD INC MA | $965.1M | 3.88% | 13,056,351 | +3,235,521 | +32.95% | 3.15% | 2013-06-30 | $74 | ~$66 | +11.47% | |
| 9 | LYONDELLBASELL INDUSTRIES N | $774.2M | 3.11% | 7,125,171 | -3,646,565 | -33.85% | 4.59% | 2013-06-30 | $109 | ~$73 | +48.37% | |
| 10 | CITIGROUP INC C | $772.3M | 3.10% | 14,904,121 | +14,904,121 | 2013-12-31 | $52 | ~$52 | -0.36% | |||
| 11 | MOHAWK INDS INC MHK | $765.4M | 3.07% | 5,677,048 | +1,133,225 | +24.94% | 2.74% | 2013-12-31 | $135 | ~$140 | -3.78% | |
| 12 | MICRON TECHNOLOGY INC MU | $704.6M | 2.83% | 20,566,647 | +2,867,579 | +16.20% | 2.55% | 2013-06-30 | $34 | ~$18 | +89.30% | |
| 13 | BANK NEW YORK MELLON CORP BK | $648.2M | 2.60% | 16,735,985 | +16,735,985 | 2014-09-30 | $39 | ~$39 | +0.00% | |||
| 14 | VISA INC V | $647.7M | 2.60% | 3,035,619 | +290,966 | +10.60% | 2.52% | 2013-06-30 | $213 | ~$189 | +12.69% | |
| 15 | ABBVIE INC ABBV | $622.0M | 2.50% | 10,769,105 | +10,769,105 | 2014-09-30 | $58 | ~$58 | +0.00% | |||
| 16 | ACTAVIS PLC | $615.3M | 2.47% | 2,550,336 | +1,342,512 | +111.15% | 1.18% | 2013-12-31 | $241 | ~$204 | +18.34% | |
| 17 | GOOGLE INC | $543.4M | 2.18% | 923,500 | +923,500 | 2014-09-30 | $588 | ~$588 | +0.00% | |||
| 18 | KANSAS CITY SOUTHERN KSUEUR | $515.7M | 2.07% | 4,255,316 | +1,227,485 | +40.54% | 1.42% | 2014-03-31 | $121 | ~$106 | +13.94% | |
| 19 | NETFLIX INC NFLX | $477.7M | 1.92% | 1,058,826 | -258,691 | -19.63% | 2.53% | 2014-06-30 | $451 | ~$441 | +2.40% | |
| 20 | AIR PRODS & CHEMS INC APD | $462.7M | 1.86% | 3,554,000 | +3,554,000 | 2014-09-30 | $130 | ~$130 | +0.00% | |||
| 21 | CHENIERE ENERGY INC LNG | $436.4M | 1.75% | 5,453,205 | +5,453,205 | 2014-09-30 | $80 | ~$80 | +0.00% | |||
| 22 | PRECISION CASTPARTS CORP | $431.8M | 1.73% | 1,823,067 | +1,494,266 | +454.46% | 0.36% | 2014-06-30 | $237 | ~$246 | -3.72% | |
| 23 | SALIX PHARMACEUTICALS INC | $424.9M | 1.71% | 2,719,538 | -169,765 | -5.88% | 1.56% | 2014-03-31 | $156 | ~$108 | +44.43% | |
| 24 | FACEBOOK INC META | $410.5M | 1.65% | 5,194,041 | +1,106,753 | +27.08% | 1.20% | 2013-09-30 | $79 | ~$56 | +40.06% | |
| 25 | ALLERGAN INC | $406.2M | 1.63% | 2,279,736 | +1,476,367 | +183.77% | 0.59% | 2013-12-31 | $178 | ~$152 | +17.51% | |
| 26 | CANADIAN PAC RY LTD | $404.8M | 1.63% | 1,951,187 | -1,053,055 | -35.05% | 2.38% | 2013-12-31 | $207 | ~$151 | +37.11% | |
| 27 | REGENERON PHARMACEUTICALS REGN | $389.6M | 1.56% | 1,080,682 | -1,882,774 | -63.53% | 3.65% | 2014-03-31 | $361 | ~$295 | +22.40% | |
| 28 | MONDELEZ INTL INC MDLZ | $385.6M | 1.55% | 11,252,897 | -4,645,980 | -29.22% | 2.61% | 2013-12-31 | $34 | ~$35 | -2.35% | |
| 29 | BAIDU INC BIDU | $376.1M | 1.51% | 1,723,427 | -2,958,001 | -63.19% | 3.82% | 2013-09-30 | $218 | ~$162 | +34.46% | |
| 30 | ALEXION PHARMACEUTICALS INC ALXN | $364.5M | 1.46% | 2,198,451 | +192,359 | +9.59% | 1.37% | 2013-06-30 | $166 | ~$103 | +60.94% |