13F Notebook
← Dashboard
Fund detail

Viking Global Investors (Halvorsen)

hedge-fund, active

Quarters 52
2020-03-31 $19.21B
Positions 64
Showing 21 of 21 rows (filtered from 87)

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 JPMORGAN CHASE & CO JPM $367.8M 1.91% 4,085,317 +4,085,317 2017-03-31 $90 ~$88 +2.37%
2 AMERICAN EXPRESS CO AXP $332.0M 1.73% 3,878,280 +3,878,280 2015-03-31 $86 ~$79 +8.38%
3 WORKDAY INC WDAY $320.6M 1.67% 2,461,978 +2,461,978 2013-09-30 $130 ~$87 +49.00%
4 INGERSOLL RAND INC IR $297.9M 1.55% 12,012,233 +12,012,233 2020-03-31 $25 ~$25 +0.00%
5 CME GROUP INC CME $294.3M 1.53% 1,701,973 +1,701,973 2014-03-31 $173 ~$107 +61.23%
6 MICRON TECHNOLOGY INC MU $282.3M 1.47% 6,711,669 +6,711,669 2013-06-30 $42 ~$41 +1.59%
7 O REILLY AUTOMOTIVE INC NEW ORLY $201.5M 1.05% 669,339 +669,339 2013-12-31 $301 ~$194 +55.10%
8 AGILENT TECHNOLOGIES INC A $199.8M 1.04% 2,789,478 +2,789,478 2015-09-30 $72 ~$52 +39.03%
9 PROGRESSIVE CORP OHIO PGR $154.2M 0.80% 2,088,830 +2,088,830 2016-03-31 $74 ~$69 +6.40%
10 LAS VEGAS SANDS CORP LVS $131.4M 0.68% 3,094,371 +3,094,371 2013-09-30 $42 ~$60 -29.33%
11 CHANGE HEALTHCARE INC CHNGUSD $127.6M 0.66% 12,777,239 +12,777,239 2020-03-31 $10 ~$10 +0.00%
12 COOPER COS INC $120.5M 0.63% 436,986 +436,986 2015-06-30 $276 ~$196 +40.48%
13 T MOBILE US INC TMUS $105.2M 0.55% 1,253,880 +1,253,880 2015-03-31 $84 ~$43 +93.64%
14 CHUBB LIMITED $102.6M 0.53% 918,541 +918,541 2016-03-31 $112 ~$127 -11.76%
15 GALLAGHER ARTHUR J & CO AJG $94.5M 0.49% 1,158,751 +1,158,751 2018-03-31 $82 ~$75 +8.52%
16 ENCOMPASS HEALTH CORP EHC $92.6M 0.48% 1,446,151 +1,446,151 2020-03-31 $64 ~$64 +0.00%
17 VARIAN MED SYS INC VAREUR $89.0M 0.46% 867,110 +867,110 2013-06-30 $103 ~$79 +30.60%
18 HORIZON THERAPEUTICS PUB LTD $59.0M 0.31% 1,991,270 +1,991,270 2020-03-31 $30 ~$30 +0.00%
19 CSX CORP CSX $48.4M 0.25% 844,182 +844,182 2020-03-31 $57 ~$57 +0.00%
20 MICROCHIP TECHNOLOGY INC MCHP $27.7M 0.14% 408,240 +408,240 2020-03-31 $68 ~$68 +0.00%
21 SMILEDIRECTCLUB INC SDCCQ $10.7M 0.06% 2,283,972 +2,283,972 2020-03-31 $5 ~$5 +0.00%