Andreas Halvorsen

Viking Global Investors LP

as of Mar 31, 2021 · filed May 17, 2021 · 47-day reporting lag · historical report

Source filings

13F-HR 0001103804-21-000004

Q3 2026 13F data is not published yet; the SEC filing deadline is November 14, 2026.

QuarterCompare any two quarters

Portfolio value$33.6B -7.7% vs. previous quarter

Positions9428 new · 30 sold

Top 522.3%largest MSFT at 6.0%

Largest moveBACNew · 3.6% weight

Concentration

How much of the portfolio the biggest positions add up to. Hover the curve, or focus it and use the arrow keys, to inspect each rank.

Longest held

One block per imported quarter, oldest at the left. A full row means held in all of them, not that the position began there.

11%held throughout

BBIO26

ADPT26

FTV26

V25

AMZN25

Top 3 moves

BAC+3.6%

JPM−2.6%

ORLY+1.6%

28 new positions and 30 sold; the largest portfolio-weight shift was BAC entering at 3.6%.

Holdings

Reported price is value divided by shares, the manager’s quarter-end mark rather than a traded price.

1–25 of 94, sorted by portfolio weight, high to low

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Reported holdings for Q1 2021

MSFTMICROSOFT CORPInformation Technology	6.0%-1.3%	Reduced28.1%	8,516,030	$235.77	$2.01B
BBIOBRIDGEBIO PHARMA INCHealth Care	4.9%-0.3%	Unchanged	26,620,991	$61.60	$1.64B
FISFIDELITY NATIONAL INFO SERVFinancials	4.0%-0.6%	Reduced18.9%	9,598,474	$140.61	$1.35B
TMUST-MOBILE US INCCommunication Services	3.8%+0.6%	Increased18.1%	10,285,244	$125.29	$1.29B
BACNEWBANK OF AMERICA CORPFinancials	3.6%+3.6%	New	31,312,416	$38.69	$1.21B
ADPTADAPTIVE BIOTECHNOLOGIESHealth Care	3.6%-1.3%	Unchanged	29,993,708	$40.26	$1.21B
UNHUNITEDHEALTH GROUP INCHealth Care	3.4%+0.7%	Increased10.3%	3,080,874	$372.07	$1.15B
GOOGLALPHABET INC-CL ACommunication ServicesSupply chain (as of Q2 2026)	2.8%-0.2%	Reduced26.7%	454,358	$2062.52	$937.1M
VVISA INC-CLASS A SHARESFinancials	2.5%+0.1%	Reduced1.2%	4,038,509	$211.73	$855.1M
PANWPALO ALTO NETWORKS INCInformation Technology	2.4%+0.6%	Increased32.9%	2,508,314	$322.06	$807.8M
Ticker unavailableGENERAL ELECTRIC COUnclassified	2.4%+1.5%	Increased107.7%	60,649,245	$13.13	$796.3M
FTVFORTIVE CORPIndustrials	2.4%+0.8%	Increased40.5%	11,190,141	$70.64	$790.5M
FLT1EURFLEETCOR TECHNOLOGIES INCUnclassified	2.1%+0.4%	Increased16.0%	2,632,323	$268.63	$707.1M
CNCCENTENE CORPHealth Care	2.1%-0.1%	Reduced16.1%	10,977,051	$63.91	$701.5M
METAMETA PLATFORMS INC-CLASS ACommunication Services	2.1%+1.3%	Increased127.6%	2,348,638	$294.53	$691.7M
BSXBOSTON SCIENTIFIC CORPHealth Care	2.1%-0.9%	Reduced40.3%	17,896,102	$38.65	$691.7M
APGAPI GROUP CORPConsumer Discretionary	2.1%+0.4%	Unchanged	33,333,333	$20.68	$689.3M
Ticker unavailableCHUBB LIMITEDUnclassified	2.0%+0.8%	Increased54.5%	4,181,823	$157.97	$660.6M
ABCLABCELLERA BIOLOGICS INCHealth Care	1.9%-0.2%	Reduced1.0%	19,083,744	$33.96	$648.1M
ZBHZIMMER BIOMET HOLDINGS INCHealth Care	1.8%+0.2%	Reduced1.2%	3,820,971	$160.08	$611.7M
AMZNAMAZON.COM INCConsumer DiscretionarySupply chain (as of Q2 2026)	1.7%-0.1%	Reduced9.7%	181,067	$3094.08	$560.2M
ORLYNEWO'REILLY AUTOMOTIVE INCConsumer Discretionary	1.6%+1.6%	New	1,066,676	$507.25	$541.1M
MCOMOODY'S CORPConsumer Discretionary	1.5%+0.2%	Increased4.3%	1,716,016	$298.61	$512.4M
Ticker unavailableAON PLCUnclassified	1.5%	Reduced16.2%	2,154,489	$230.11	$495.8M
NUANEURNUANCE COMMUNICATIONS INCUnclassified	1.4%-0.5%	Reduced32.3%	11,088,603	$43.64	$483.9M