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Fund detail

Viking Global Investors (Halvorsen)

hedge-fund, active

Quarters 52
2015-12-31 $26.52B
Positions 64
Showing 19 of 19 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 ALLERGAN PLC $1.87B 7.04% 5,978,075 -1,224,309 -17.00% 7.50% 2015-06-30 $312 ~$303 +3.28%
2 AMAZON COM INC AMZN $1.74B 6.54% 2,567,446 -450,318 -14.92% 5.92% 2015-06-30 $676 ~$444 +52.38%
3 WALGREENS BOOTS ALLIANCE INC WBA $1.09B 4.10% 12,771,497 -10,501,389 -45.12% 7.41% 2014-12-31 $85 ~$80 +6.98%
4 LYONDELLBASELL INDUSTRIES N $810.6M 3.06% 9,328,028 -4,177,928 -30.93% 4.31% 2013-06-30 $87 ~$85 +1.99%
5 AIR PRODS & CHEMS INC APD $700.7M 2.64% 5,385,451 -531,770 -8.99% 2.89% 2014-09-30 $130 ~$137 -5.28%
6 CANADIAN PAC RY LTD $510.6M 1.93% 4,001,587 -160,055 -3.85% 2.29% 2013-12-31 $128 ~$180 -29.28%
7 LABORATORY CORP AMER HLDGS $396.7M 1.50% 3,208,708 -1,844,641 -36.50% 2.10% 2015-09-30 $124 ~$108 +13.99%
8 BANK NEW YORK MELLON CORP BK $363.0M 1.37% 8,805,531 -1,484,337 -14.43% 1.54% 2014-09-30 $41 ~$39 +5.52%
9 CROWN CASTLE INTL CORP NEW CCI $259.0M 0.98% 2,995,866 -1,500,472 -33.37% 1.36% 2014-12-31 $86 ~$79 +9.12%
10 CITIGROUP INC C $221.1M 0.83% 4,271,971 -195,129 -4.37% 0.85% 2013-12-31 $52 ~$52 -0.77%
11 ENVISION HEALTHCARE HLDGS IN $202.8M 0.76% 7,808,316 -2,046,343 -20.77% 1.39% 2015-03-31 $26 ~$39 -32.72%
12 CTRIP COM INTL LTD CTRPUSD $174.5M 0.66% 3,767,142 -1,147,039 -23.34% 1.19% 2014-06-30 $46 ~$58 -20.61%
13 KITE PHARMA INC $136.0M 0.51% 2,207,203 -265,377 -10.73% 0.53% 2014-09-30 $62 ~$53 +15.63%
14 AETNA INC NEW $134.8M 0.51% 1,247,101 -2,232,072 -64.16% 1.46% 2013-06-30 $108 ~$97 +11.76%
15 ALIBABA GROUP HLDG LTD BABA $132.4M 0.50% 1,629,041 -854,732 -34.41% 0.56% 2014-09-30 $81 ~$91 -10.75%
16 ACE LTD $97.2M 0.37% 831,759 -308,956 -27.08% 0.45% 2015-09-30 $117 ~$103 +13.01%
17 LEGG MASON INC LMEUR $96.9M 0.37% 2,469,033 -63 -0.00% 0.39% 2014-12-31 $39 ~$53 -26.49%
18 KANSAS CITY SOUTHERN KSUEUR $28.0M 0.11% 375,639 -2,715,561 -87.85% 1.08% 2014-03-31 $75 ~$109 -31.74%
19 MASTERCARD INC MA $15.8M 0.06% 162,264 -5,265,447 -97.01% 1.87% 2013-06-30 $97 ~$76 +28.31%