Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2026-03-31
$35.75B
Positions
77
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 | ADVANCED MICRO DEVICES INC | $0 | 0 | -3,742,191 | -100.00% | 2.13% | ||||||
| 2 | BANK AMERICA CORP | $0 | 0 | -4,494,629 | -100.00% | 0.66% | ||||||
| 3 | BOSTON SCIENTIFIC CORP | $0 | 0 | -2,509,808 | -100.00% | 0.64% | ||||||
| 4 | CHEWY INC | $0 | 0 | -13,536,645 | -100.00% | 1.19% | ||||||
| 5 | COSTAR GROUP INC | $0 | 0 | -1,442,582 | -100.00% | 0.26% | ||||||
| 6 | DIGITAL RLTY TR INC | $0 | 0 | -1,507,988 | -100.00% | 0.62% | ||||||
| 7 | DRAFTKINGS INC NEW | $0 | 0 | -19,119,912 | -100.00% | 1.75% | ||||||
| 8 | FIGMA INC | $0 | 0 | -5,752,388 | -100.00% | 0.57% | ||||||
| 9 | IQVIA HLDGS INC | $0 | 0 | -619,236 | -100.00% | 0.37% | ||||||
| 10 | ITAU UNIBANCO HLDG S A | $0 | 0 | -28,396,545 | -100.00% | 0.54% | ||||||
| 11 | LOWES COS INC | $0 | 0 | -912,040 | -100.00% | 0.58% | ||||||
| 12 | MASIMO CORP | $0 | 0 | -514,340 | -100.00% | 0.18% | ||||||
| 13 | RALLYBIO CORP | $0 | 0 | -4,194,777 | -100.00% | 0.01% | ||||||
| 14 | RIOT PLATFORMS INC | $0 | 0 | -12,428,894 | -100.00% | 0.42% | ||||||
| 15 | ROSS STORES INC | $0 | 0 | -3,167,479 | -100.00% | 1.51% | ||||||
| 16 | SAIA INC | $0 | 0 | -1,088,582 | -100.00% | 0.94% | ||||||
| 17 | TRADEWEB MKTS INC | $0 | 0 | -2,768,659 | -100.00% | 0.79% | ||||||
| 18 | UBS GROUP AG | $0 | 0 | -9,128,817 | -100.00% | 1.13% | ||||||
| 19 | UNITEDHEALTH GROUP INC | $0 | 0 | -1,197,273 | -100.00% | 1.05% | ||||||
| 20 | RALLYBIO CORP RLYB | $4.7M | 0.01% | 524,347 | +524,347 | 2026-03-31 | $9 | ~$9 | -3.71% | |||
| 21 | PEPGEN INC PEPG | $6.2M | 0.02% | 3,482,434 | +0 | +0.00% | 0.06% | 2022-06-30 | $2 | ~$6 | -69.86% | |
| 22 | FORGENT POWER SOLUTIONS INC FPS | $19.0M | 0.05% | 650,000 | +650,000 | 2026-03-31 | $29 | ~$32 | -7.93% | |||
| 23 | EQUIPMENTSHARE COM INC EQPT | $20.4M | 0.06% | 1,000,000 | +1,000,000 | 2026-03-31 | $20 | ~$28 | -28.23% | |||
| 24 | GINKGO BIOWORKS HOLDINGS INC DNA | $21.9M | 0.06% | 3,577,128 | +0 | +0.00% | 0.08% | 2024-09-30 | $6 | ~$8 | -24.79% | |
| 25 | TREVI THERAPEUTICS INC TRVI | $38.2M | 0.11% | 3,198,644 | +0 | +0.00% | 0.11% | 2022-09-30 | $12 | ~$6 | +114.02% | |
| 26 | STANDARD BIOTOOLS INC LAB | $53.9M | 0.15% | 58,651,170 | +0 | +0.00% | 0.20% | 2024-03-31 | $1 | ~$3 | -66.08% | |
| 27 | TWILIO INC TWLO | $56.7M | 0.16% | 450,770 | +450,770 | 2021-12-31 | $126 | ~$202 | -37.65% | |||
| 28 | DAMORA THERAPEUTICS INC DMRA | $59.9M | 0.17% | 2,311,082 | +2,311,082 | 2026-03-31 | $26 | ~$26 | +1.12% | |||
| 29 | ORIC PHARMACEUTICALS INC ORIC | $73.8M | 0.21% | 5,824,533 | -748,158 | -11.38% | 0.14% | 2024-03-31 | $13 | ~$11 | +13.20% | |
| 30 | EDWARDS LIFESCIENCES CORP EW | $87.9M | 0.25% | 1,097,578 | +1,097,578 | 2019-09-30 | $80 | ~$77 | +3.90% |