Fund detail
Viking Global Investors (Halvorsen)
hedge-fund, active
Quarters
52
2015-09-30
$26.09B
Positions
63
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 | ALEXION PHARMACEUTICALS INC | $0 | 0 | -201,756 | -100.00% | 0.14% | ||||||
| 2 | AON PLC | $0 | 0 | -1,912,946 | -100.00% | 0.72% | ||||||
| 3 | AVIS BUDGET GROUP | $0 | 0 | -4,320,377 | -100.00% | 0.72% | ||||||
| 4 | BAIDU INC | $0 | 0 | -1,285,451 | -100.00% | 0.97% | ||||||
| 5 | BALL CORP | $0 | 0 | -1,832,789 | -100.00% | 0.49% | ||||||
| 6 | BIOGEN INC | $0 | 0 | -513,444 | -100.00% | 0.78% | ||||||
| 7 | CAPITAL ONE FINL CORP | $0 | 0 | -1,162,593 | -100.00% | 0.39% | ||||||
| 8 | CIGNA CORPORATION | $0 | 0 | -2,914,815 | -100.00% | 1.78% | ||||||
| 9 | COOPER COS INC | $0 | 0 | -273,563 | -100.00% | 0.18% | ||||||
| 10 | ESPERION THERAPEUTICS INC NE | $0 | 0 | -1,395,107 | -100.00% | 0.43% | ||||||
| 11 | METLIFE INC | $0 | 0 | -11,780,357 | -100.00% | 2.49% | ||||||
| 12 | NXP SEMICONDUCTORS N V | $0 | 0 | -1,418,054 | -100.00% | 0.53% | ||||||
| 13 | RECEPTOS INC | $0 | 0 | -1,156,900 | -100.00% | 0.83% | ||||||
| 14 | THERMO FISHER SCIENTIFIC INC | $0 | 0 | -207,527 | -100.00% | 0.10% | ||||||
| 15 | TWENTY FIRST CENTY FOX INC | $0 | 0 | -8,093,383 | -100.00% | 1.00% | ||||||
| 16 | UNIVERSAL HLTH SVCS INC | $0 | 0 | -1,220,743 | -100.00% | 0.66% | ||||||
| 17 | DENTSPLY INTL INC NEW | $2.5M | 0.01% | 50,000 | +50,000 | 2015-09-30 | $51 | ~$51 | +0.00% | |||
| 18 | ENERGY TRANSFER EQUITY L P ET | $2.6M | 0.01% | 125,250 | +125,250 | 2015-09-30 | $21 | ~$21 | +0.00% | |||
| 19 | AGILENT TECHNOLOGIES INC A | $7.5M | 0.03% | 218,650 | +218,650 | 2015-09-30 | $34 | ~$34 | +0.00% | |||
| 20 | PROQR THRAPEUTICS N V | $8.4M | 0.03% | 576,632 | -18,675 | -3.14% | 0.04% | 2015-03-31 | $15 | ~$21 | -30.82% | |
| 21 | CHESAPEAKE ENERGY CORP CHKEUR | $14.2M | 0.05% | 1,940,852 | +1,940,852 | 2015-09-30 | $7 | ~$7 | +0.00% | |||
| 22 | WHITING PETE CORP NEW | $15.8M | 0.06% | 1,031,483 | -7,621,948 | -88.08% | 1.10% | 2015-06-30 | $15 | ~$34 | -54.55% | |
| 23 | DEERE & CO DE | $15.9M | 0.06% | 214,772 | -45,203 | -17.39% | 0.10% | 2015-06-30 | $74 | ~$97 | -23.75% | |
| 24 | BOSTON SCIENTIFIC CORP BSX | $26.5M | 0.10% | 1,611,935 | +1,611,935 | 2015-09-30 | $16 | ~$16 | +0.00% | |||
| 25 | AMGEN INC AMGN | $31.9M | 0.12% | 230,298 | +230,298 | 2015-09-30 | $138 | ~$138 | +0.00% | |||
| 26 | ADVANCE AUTO PARTS INC AAP | $40.0M | 0.15% | 211,256 | +211,256 | 2015-09-30 | $190 | ~$190 | +0.00% | |||
| 27 | BLUEBIRD BIO INC | $52.7M | 0.20% | 615,557 | +615,557 | 2015-09-30 | $86 | ~$86 | +0.00% | |||
| 28 | CLOVIS ONCOLOGY INC CLVSEUR | $76.9M | 0.29% | 836,332 | +836,332 | 2015-09-30 | $92 | ~$92 | +0.00% | |||
| 29 | 58 COM INC WUBAUSD | $80.9M | 0.31% | 1,718,874 | +1,718,874 | 2015-09-30 | $47 | ~$47 | +0.00% | |||
| 30 | TRIPADVISOR INC TRIP | $91.9M | 0.35% | 1,458,258 | +1,458,258 | 2015-09-30 | $63 | ~$63 | +0.00% |