Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2022-09-30
$21.66B
Positions
88
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 | CHUBB LIMITED | $653.5M | 3.02% | 3,593,242 | -180,984 | -4.80% | 3.39% | 2016-03-31 | $182 | ~$155 | +17.54% | |
| 2 | MASTERCARD INCORPORATED MA | $503.4M | 2.32% | 1,770,583 | -531,722 | -23.10% | 3.32% | 2013-06-30 | $284 | ~$174 | +63.67% | |
| 3 | T-MOBILE US INC TMUS | $446.1M | 2.06% | 3,324,606 | -5,845,787 | -63.75% | 5.64% | 2015-03-31 | $134 | ~$113 | +18.35% | |
| 4 | ROYALTY PHARMA PLC | $437.2M | 2.02% | 10,881,594 | -1,489,100 | -12.04% | 2.38% | 2020-06-30 | $40 | ~$41 | -0.84% | |
| 5 | UBER TECHNOLOGIES INC UBER | $434.5M | 2.01% | 16,396,107 | -187,516 | -1.13% | 1.55% | 2019-06-30 | $27 | ~$35 | -24.12% | |
| 6 | PARKER-HANNIFIN CORP PH | $430.2M | 1.99% | 1,775,453 | -1,295,238 | -42.18% | 3.46% | 2017-03-31 | $242 | ~$271 | -10.59% | |
| 7 | FORTIVE CORP FTV | $354.2M | 1.64% | 6,076,200 | -5,722,754 | -48.50% | 2.93% | 2019-09-30 | $58 | ~$64 | -8.68% | |
| 8 | INTERNATIONAL FLAVORS&FRAGRA IFF | $338.5M | 1.56% | 3,726,736 | -1,394,867 | -27.23% | 2.79% | 2021-06-30 | $91 | ~$138 | -34.06% | |
| 9 | THERMO FISHER SCIENTIFIC INC TMO | $301.0M | 1.39% | 593,537 | -269,050 | -31.19% | 2.14% | 2013-06-30 | $507 | ~$563 | -9.95% | |
| 10 | BLOCK INC XYZ | $292.1M | 1.35% | 5,311,049 | -292,158 | -5.21% | 1.58% | 2019-06-30 | $55 | ~$96 | -42.79% | |
| 11 | ACADIA HEALTHCARE COMPANY IN ACHC | $231.3M | 1.07% | 2,958,932 | -519,544 | -14.94% | 1.08% | 2017-03-31 | $78 | ~$59 | +33.28% | |
| 12 | KARUNA THERAPEUTICS INC | $228.1M | 1.05% | 1,014,116 | -105,244 | -9.40% | 0.65% | 2020-09-30 | $225 | ~$106 | +111.89% | |
| 13 | GUARDANT HEALTH INC GH | $206.5M | 0.95% | 3,835,610 | -643,410 | -14.36% | 0.83% | 2019-09-30 | $54 | ~$96 | -43.75% | |
| 14 | AMYLYX PHARMACEUTICALS INC AMLX | $162.4M | 0.75% | 5,770,536 | -1,400,000 | -19.52% | 0.63% | 2022-03-31 | $28 | ~$13 | +119.07% | |
| 15 | MARSH & MCLENNAN COS INC MRSH | $150.3M | 0.69% | 1,006,898 | -1,821,705 | -64.40% | 2.01% | 2014-09-30 | $149 | ~$139 | +7.42% | |
| 16 | MOLINA HEALTHCARE INC MOH | $134.1M | 0.62% | 406,671 | -68,487 | -14.41% | 0.61% | 2014-09-30 | $330 | ~$153 | +115.95% | |
| 17 | CATALENT INC CTLTEUR | $121.1M | 0.56% | 1,673,755 | -287,494 | -14.66% | 0.96% | 2018-03-31 | $72 | ~$90 | -19.22% | |
| 18 | INTELLIA THERAPEUTICS INC NTLA | $105.7M | 0.49% | 1,889,067 | -339,316 | -15.23% | 0.53% | 2021-06-30 | $56 | ~$132 | -57.58% | |
| 19 | ZAI LAB LTD ZLAB | $89.4M | 0.41% | 2,614,817 | -684,781 | -20.75% | 0.52% | 2021-03-31 | $34 | ~$133 | -74.32% | |
| 20 | PROGRESSIVE CORP PGR | $85.6M | 0.40% | 736,561 | -165,183 | -18.32% | 0.48% | 2016-03-31 | $116 | ~$74 | +56.04% | |
| 21 | KE HLDGS INC BEKE | $68.2M | 0.32% | 3,895,000 | -6,515,507 | -62.59% | 0.85% | 2021-12-31 | $18 | ~$17 | +2.53% | |
| 22 | AVANTOR INC AVTR | $56.8M | 0.26% | 2,898,662 | -3,270,023 | -53.01% | 0.88% | 2019-06-30 | $20 | ~$29 | -31.97% | |
| 23 | SHOCKWAVE MED INC SWAVUSD | $43.7M | 0.20% | 157,327 | -126,673 | -44.60% | 0.25% | 2022-06-30 | $278 | ~$191 | +45.46% | |
| 24 | GLOBAL E ONLINE LTD | $42.2M | 0.19% | 1,575,580 | -1,469,146 | -48.25% | 0.28% | 2021-12-31 | $27 | ~$63 | -57.61% | |
| 25 | ORION ACQUISITION CORP | $35.8M | 0.17% | 3,629,247 | -74,446 | -2.01% | 0.17% | 2021-03-31 | $10 | ~$10 | -1.14% | |
| 26 | DAY ONE BIOPHARMACEUTICALS I DAWNGBX | $31.2M | 0.14% | 1,558,563 | -298,861 | -16.09% | 0.15% | 2021-06-30 | $20 | ~$19 | +3.08% | |
| 27 | LAS VEGAS SANDS CORP LVS | $14.2M | 0.07% | 379,551 | -585,364 | -60.66% | 0.15% | 2013-09-30 | $38 | ~$48 | -22.61% |