13F Notebook
← Dashboard
Fund detail

Viking Global Investors (Halvorsen)

hedge-fund, active

Quarters 52
2015-12-31 $26.52B
Positions 64
Showing 26 of 26 rows (filtered from 89)

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 ALPHABET INC GOOGL $1.44B 5.44% 1,853,460 +1,853,460 2015-12-31 $778 ~$778 +0.00%
2 ALPHABET INC GOOG $870.0M 3.28% 1,146,435 +1,146,435 2015-12-31 $759 ~$759 +0.00%
3 PRICELINE GRP INC $501.3M 1.89% 393,214 +393,214 2013-06-30 $1,275 ~$1,129 +12.97%
4 CHIPOTLE MEXICAN GRILL INC CMG $330.8M 1.25% 689,383 +689,383 2015-12-31 $480 ~$480 +0.00%
5 ENDO INTL PLC $276.8M 1.04% 4,520,954 +4,520,954 2015-12-31 $61 ~$61 +0.00%
6 PFIZER INC PFE $239.7M 0.90% 7,424,690 +7,424,690 2015-12-31 $32 ~$32 +0.00%
7 CABOT OIL & GAS CORP CTRA $237.2M 0.89% 13,410,258 +13,410,258 2015-12-31 $18 ~$18 +0.00%
8 HALLIBURTON CO HAL $226.9M 0.86% 6,667,076 +6,667,076 2015-12-31 $34 ~$34 +0.00%
9 ANADARKO PETE CORP APC3EUR $223.0M 0.84% 4,590,975 +4,590,975 2015-12-31 $49 ~$49 +0.00%
10 KRAFT HEINZ CO KHC $151.5M 0.57% 2,082,693 +2,082,693 2015-12-31 $73 ~$73 +0.00%
11 BIOGEN INC BIIB $113.0M 0.43% 368,864 +368,864 2013-06-30 $306 ~$260 +17.72%
12 PRUDENTIAL FINL INC PRU $98.8M 0.37% 1,213,808 +1,213,808 2015-12-31 $81 ~$81 +0.00%
13 MARSH & MCLENNAN COS INC MRSH $88.3M 0.33% 1,592,022 +1,592,022 2014-09-30 $55 ~$53 +5.43%
14 MONSANTO CO NEW $88.3M 0.33% 895,800 +895,800 2013-06-30 $99 ~$107 -8.35%
15 SOUTHWESTERN ENERGY CO SWN1EUR $83.0M 0.31% 11,673,609 +11,673,609 2013-12-31 $7 ~$24 -70.58%
16 CALPINE CORP $70.6M 0.27% 4,881,477 +4,881,477 2015-12-31 $14 ~$14 +0.00%
17 AKORN INC AKRXEUR $68.7M 0.26% 1,841,346 +1,841,346 2015-12-31 $37 ~$37 +0.00%
18 AFLAC INC AFL $63.7M 0.24% 1,063,197 +1,063,197 2015-12-31 $60 ~$60 +0.00%
19 MCDONALDS CORP MCD $61.9M 0.23% 524,043 +524,043 2015-12-31 $118 ~$118 +0.00%
20 RANGE RES CORP RRC $39.2M 0.15% 1,593,510 +1,593,510 2015-12-31 $25 ~$25 +0.00%
21 DOVER CORP DOV $32.3M 0.12% 526,369 +526,369 2015-12-31 $61 ~$61 +0.00%
22 SHIRE PLC $28.1M 0.11% 137,198 +137,198 2013-06-30 $205 ~$125 +63.44%
23 ENCANA CORP $20.4M 0.08% 3,998,444 +3,998,444 2015-12-31 $5 ~$5 +0.00%
24 WELLCARE HEALTH PLANS INC WCGEUR $19.3M 0.07% 247,191 +247,191 2015-12-31 $78 ~$78 +0.00%
25 GULFPORT ENERGY CORP GPOR1EUR $16.5M 0.06% 670,667 +670,667 2015-12-31 $25 ~$25 +0.00%
26 SIRONA DENTAL SYSTEMS INC $3.8M 0.01% 34,671 +34,671 2015-12-31 $110 ~$110 +0.00%