Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2022-03-31
$24.74B
Positions
91
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 | T-MOBILE US INC TMUS | $1.72B | 6.96% | 13,418,175 | +269,888 | +2.05% | 4.39% | 2015-03-31 | $128 | ~$113 | +13.22% | |
| 2 | AMAZON COM INC AMZN | $1.38B | 5.57% | 422,853 | +144,654 | +52.00% | 2.67% | 2015-06-30 | $3,260 | ~$3,011 | +8.25% | |
| 3 | MICROSOFT CORP MSFT | $1.02B | 4.14% | 3,319,116 | +386,354 | +13.17% | 2.84% | 2016-06-30 | $308 | ~$203 | +52.07% | |
| 4 | PARKER-HANNIFIN CORP PH | $898.2M | 3.63% | 3,165,334 | +108,413 | +3.55% | 2.80% | 2017-03-31 | $284 | ~$271 | +4.71% | |
| 5 | FORTIVE CORP FTV | $733.2M | 2.96% | 12,033,157 | +3,548,215 | +41.82% | 1.86% | 2019-09-30 | $61 | ~$64 | -4.56% | |
| 6 | API GROUP CORP APG | $703.7M | 2.85% | 33,463,200 | +129,867 | +0.39% | 2.47% | 2020-06-30 | $21 | ~$12 | +72.47% | |
| 7 | WORKDAY INC WDAY | $539.6M | 2.18% | 2,253,470 | +501,881 | +28.65% | 1.38% | 2013-09-30 | $239 | ~$203 | +17.79% | |
| 8 | AON PLC | $518.8M | 2.10% | 1,593,080 | +82,563 | +5.47% | 1.31% | 2020-06-30 | $326 | ~$209 | +55.68% | |
| 9 | INTERNATIONAL FLAVORS&FRAGRA IFF | $498.7M | 2.02% | 3,797,230 | +3,286,245 | +643.12% | 0.22% | 2021-06-30 | $131 | ~$142 | -7.59% | |
| 10 | HDFC BANK LTD HDB | $433.8M | 1.75% | 7,073,317 | +2,220,379 | +45.75% | 0.91% | 2017-03-31 | $61 | ~$61 | +0.50% | |
| 11 | ROYALTY PHARMA PLC | $419.4M | 1.70% | 10,764,472 | +449,094 | +4.35% | 1.18% | 2020-06-30 | $39 | ~$41 | -3.86% | |
| 12 | GUARDANT HEALTH INC GH | $385.0M | 1.56% | 5,812,234 | +737,845 | +14.54% | 1.46% | 2019-09-30 | $66 | ~$96 | -30.78% | |
| 13 | MARSH & MCLENNAN COS INC MRSH | $383.6M | 1.55% | 2,250,643 | +989,073 | +78.40% | 0.63% | 2014-09-30 | $170 | ~$133 | +28.29% | |
| 14 | MATCH GROUP INC NEW MTCH | $298.4M | 1.21% | 2,744,468 | +844,894 | +44.48% | 0.72% | 2020-12-31 | $109 | ~$139 | -21.60% | |
| 15 | BIOMARIN PHARMACEUTICAL INC BMRN | $289.3M | 1.17% | 3,752,393 | +882,446 | +30.75% | 0.73% | 2016-03-31 | $77 | ~$86 | -10.17% | |
| 16 | THERMO FISHER SCIENTIFIC INC TMO | $286.3M | 1.16% | 484,696 | +273,638 | +129.65% | 0.41% | 2013-06-30 | $591 | ~$560 | +5.42% | |
| 17 | SERVICENOW INC NOW | $245.3M | 0.99% | 440,450 | +216,189 | +96.40% | 0.42% | 2019-09-30 | $557 | ~$499 | +11.71% | |
| 18 | CATALENT INC CTLTEUR | $210.0M | 0.85% | 1,893,644 | +754,290 | +66.20% | 0.42% | 2018-03-31 | $111 | ~$89 | +24.78% | |
| 19 | INTELLIA THERAPEUTICS INC NTLA | $179.4M | 0.73% | 2,468,760 | +889,224 | +56.30% | 0.54% | 2021-06-30 | $73 | ~$132 | -44.91% | |
| 20 | GLOBAL E ONLINE LTD | $173.2M | 0.70% | 5,128,448 | +89,557 | +1.78% | 0.92% | 2021-12-31 | $34 | ~$63 | -46.49% | |
| 21 | KE HLDGS INC BEKE | $166.3M | 0.67% | 13,440,125 | +10,519,869 | +360.24% | 0.17% | 2021-12-31 | $12 | ~$17 | -27.61% | |
| 22 | LI AUTO INC LI | $154.9M | 0.63% | 6,000,478 | +1,514,493 | +33.76% | 0.41% | 2020-09-30 | $26 | ~$24 | +7.85% | |
| 23 | CHARLES RIV LABS INTL INC CRL | $148.1M | 0.60% | 521,653 | +131,524 | +33.71% | 0.42% | 2021-03-31 | $284 | ~$343 | -17.17% | |
| 24 | ACADIA HEALTHCARE COMPANY IN ACHC | $139.6M | 0.56% | 2,130,433 | +39,857 | +1.91% | 0.37% | 2017-03-31 | $66 | ~$54 | +22.15% | |
| 25 | ZAI LAB LTD ZLAB | $137.8M | 0.56% | 3,133,297 | +114,339 | +3.79% | 0.55% | 2021-03-31 | $44 | ~$138 | -68.16% | |
| 26 | KARUNA THERAPEUTICS INC | $123.5M | 0.50% | 974,345 | +110,681 | +12.82% | 0.33% | 2020-09-30 | $127 | ~$103 | +22.97% | |
| 27 | PVH CORPORATION PVH | $118.2M | 0.48% | 1,542,375 | +773,566 | +100.62% | 0.24% | 2020-06-30 | $77 | ~$85 | -9.34% | |
| 28 | BIOHAVEN PHARMACTL HLDG CO L | $114.6M | 0.46% | 966,139 | +617,356 | +177.00% | 0.14% | 2021-12-31 | $119 | ~$132 | -9.94% | |
| 29 | CELLDEX THERAPEUTICS INC NEW CLDX | $62.9M | 0.25% | 1,846,647 | +1,088,766 | +143.66% | 0.08% | 2021-09-30 | $34 | ~$44 | -21.86% | |
| 30 | PHARVARIS N V | $46.4M | 0.19% | 2,480,319 | +24,783 | +1.01% | 0.11% | 2021-03-31 | $19 | ~$28 | -32.38% |