Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2020-12-31
$36.37B
Positions
96
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 | ADAPTIVE BIOTECHNOLOGIES COR ADPT | $1.77B | 4.88% | 29,993,708 | -3,500,000 | -10.45% | 5.88% | 2019-06-30 | $59 | ~$48 | +22.42% | |
| 2 | JPMORGAN CHASE & CO JPM | $1.07B | 2.96% | 8,459,075 | -991,900 | -10.50% | 3.29% | 2017-03-31 | $127 | ~$91 | +39.22% | |
| 3 | CENTENE CORP DEL CNC | $785.7M | 2.16% | 13,087,649 | -4,357,911 | -24.98% | 3.68% | 2014-06-30 | $60 | ~$55 | +8.55% | |
| 4 | NUANCE COMMUNICATIONS INC NUANEUR | $722.3M | 1.99% | 16,382,663 | -601,801 | -3.54% | 2.04% | 2020-06-30 | $44 | ~$26 | +67.79% | |
| 5 | MERCADOLIBRE INC MELI | $690.0M | 1.90% | 411,914 | -61,534 | -13.00% | 1.85% | 2018-03-31 | $1,675 | ~$947 | +76.99% | |
| 6 | AMAZON COM INC AMZN | $652.9M | 1.80% | 200,471 | -71,801 | -26.37% | 3.10% | 2015-06-30 | $3,257 | ~$1,774 | +83.57% | |
| 7 | AMERICAN EXPRESS CO AXP | $631.7M | 1.74% | 5,224,231 | -5,624,070 | -51.84% | 3.93% | 2015-03-31 | $121 | ~$87 | +39.68% | |
| 8 | TAIWAN SEMICONDUCTOR MFG LTD TSM | $610.8M | 1.68% | 5,601,289 | -545,834 | -8.88% | 1.80% | 2020-09-30 | $109 | ~$81 | +34.50% | |
| 9 | AON PLC | $543.1M | 1.49% | 2,570,620 | -442,286 | -14.68% | 2.25% | 2020-06-30 | $211 | ~$193 | +9.62% | |
| 10 | HILTON WORLDWIDE HLDGS INC HLT | $525.1M | 1.44% | 4,719,901 | -4,111,691 | -46.56% | 2.72% | 2020-06-30 | $111 | ~$74 | +49.35% | |
| 11 | PARKER-HANNIFIN CORP PH | $458.5M | 1.26% | 1,683,025 | -835,423 | -33.17% | 1.84% | 2017-03-31 | $272 | ~$184 | +47.81% | |
| 12 | GUARDANT HEALTH INC GH | $455.6M | 1.25% | 3,534,842 | -320,051 | -8.30% | 1.56% | 2019-09-30 | $129 | ~$72 | +79.21% | |
| 13 | BOOKING HOLDINGS INC BKNG | $419.4M | 1.15% | 188,281 | -160,167 | -45.97% | 2.15% | 2019-03-31 | $2,227 | ~$1,716 | +29.81% | |
| 14 | CHUBB LIMITED | $416.5M | 1.15% | 2,706,111 | -709,899 | -20.78% | 1.43% | 2016-03-31 | $154 | ~$122 | +26.23% | |
| 15 | ASSURANT INC AIZ | $375.8M | 1.03% | 2,758,595 | -6,153 | -0.22% | 1.21% | 2019-06-30 | $136 | ~$114 | +19.50% | |
| 16 | ADVANCED MICRO DEVICES INC AMD | $368.2M | 1.01% | 4,015,000 | -485,835 | -10.79% | 1.33% | 2020-09-30 | $92 | ~$82 | +11.86% | |
| 17 | ALIGN TECHNOLOGY INC ALGN | $285.9M | 0.79% | 534,944 | -59,459 | -10.00% | 0.70% | 2017-09-30 | $534 | ~$258 | +107.46% | |
| 18 | INGERSOLL RAND INC IR | $280.0M | 0.77% | 6,145,201 | -2,231,293 | -26.64% | 1.08% | 2020-03-31 | $46 | ~$25 | +83.71% | |
| 19 | ENCOMPASS HEALTH CORP EHC | $218.6M | 0.60% | 2,643,276 | -672,751 | -20.29% | 0.78% | 2020-03-31 | $83 | ~$64 | +30.16% | |
| 20 | MOLINA HEALTHCARE INC MOH | $217.5M | 0.60% | 1,022,739 | -194,320 | -15.97% | 0.80% | 2014-09-30 | $213 | ~$94 | +125.62% | |
| 21 | MICRON TECHNOLOGY INC MU | $206.9M | 0.57% | 2,752,100 | -363,064 | -11.65% | 0.53% | 2013-06-30 | $75 | ~$41 | +81.59% | |
| 22 | AVALONBAY CMNTYS INC AVB | $194.1M | 0.53% | 1,209,895 | -1,343,586 | -52.62% | 1.38% | 2020-09-30 | $160 | ~$149 | +7.43% | |
| 23 | SNOWFLAKE INC SNOW | $176.5M | 0.49% | 627,157 | -14,283 | -2.23% | 0.58% | 2020-09-30 | $281 | ~$251 | +12.11% | |
| 24 | WORKDAY INC WDAY | $169.6M | 0.47% | 707,831 | -416,395 | -37.04% | 0.87% | 2013-09-30 | $240 | ~$87 | +174.16% | |
| 25 | LAS VEGAS SANDS CORP LVS | $168.5M | 0.46% | 2,826,560 | -5,762,752 | -67.09% | 1.45% | 2013-09-30 | $60 | ~$48 | +22.94% | |
| 26 | ZENTALIS PHARMACEUTICALS INC ZNTL | $156.4M | 0.43% | 3,011,284 | -1,432,000 | -32.23% | 0.52% | 2020-06-30 | $52 | ~$48 | +8.16% | |
| 27 | BRISTOL-MYERS SQUIBB CO BMY | $155.5M | 0.43% | 2,506,793 | -682,471 | -21.40% | 0.69% | 2020-09-30 | $62 | ~$60 | +2.89% | |
| 28 | PMV PHARMACEUTICALS INC PMVP | $145.4M | 0.40% | 2,364,062 | -277,778 | -10.51% | 0.34% | 2020-09-30 | $62 | ~$35 | +73.27% | |
| 29 | DARDEN RESTAURANTS INC DRI | $127.5M | 0.35% | 1,070,370 | -365,687 | -25.46% | 0.52% | 2020-06-30 | $119 | ~$76 | +57.21% | |
| 30 | PVH CORPORATION PVH | $77.7M | 0.21% | 827,892 | -934,206 | -53.02% | 0.38% | 2020-06-30 | $94 | ~$49 | +92.26% |