Ole Andreas Halvorsen - Viking Global Investors 13F Activity & Position Changes (Q3 2025)

As of Sep 30, 2025, the Viking Global Investors portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on Nov 14, 2025. The activity included new positions, additions to existing holdings, reductions, and complete exits, providing a clear view of how the portfolio evolved during the quarter.

During Q3 2025, the filing reported:

New Buys - Aon Plc, CBRE Group Inc, Chewy, Inc., Celestica, Inc., Deutsche Bank, and 8 more

Increases - Primo Brands, Advanced Micro Devices, Inc., Air Products and Chemicals, Inc, APi Group Corporation, Amer Sports, and 27 more

Reductions - Applovin Corporation, Bank of America Corporation, BridgeBio Pharma, Inc., BioMarin Pharmaceutical Inc., Boston Scientific Corporation, and 16 more

Complete Exits - Metsera, American International Group, I, Arthur J. Gallagher & Co., American Tower Corporation (REI, Amazon.com, Inc., and 15 more

These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.

Date	Symbol	Name	Type	Change Qty	% Change	Value	Remaining
Q3 2025	59267L107 Metsera	Metsera	Sell - Position Exit	-1,616,612	-100.0%	$0.00	-
Q3 2025	741623102 Primo Brands	Primo Brands	Buy	+3,431,854	+17.5%	$509.05M	23,033,970
Q3 2025	AIG American International Group, I	American International Group, I	Sell - Position Exit	-1,815,785	-100.0%	$0.00	-
Q3 2025	AJG Arthur J. Gallagher & Co.	Arthur J. Gallagher & Co.	Sell - Position Exit	-725,795	-100.0%	$0.00	-
Q3 2025	AMD Advanced Micro Devices, Inc.	Advanced Micro Devices, Inc.	Buy	+2,270,698	+118.8%	$676.49M	4,181,269
Q3 2025	AMT American Tower Corporation (REI	American Tower Corporation (REI	Sell - Position Exit	-2,797,125	-100.0%	$0.00	-
Q3 2025	AMZN Amazon.com, Inc.	Amazon.com, Inc.	Sell - Position Exit	-3,897,092	-100.0%	$0.00	-
Q3 2025	AON Aon Plc	Aon Plc	Buy - Position Entry	+1,414,618	-	$504.42M	1,414,618
Q3 2025	APD Air Products and Chemicals, Inc	Air Products and Chemicals, Inc	Buy	+1,512,965	+70.2%	$1.00B	3,667,119
Q3 2025	APG APi Group Corporation	APi Group Corporation	Buy	+768,759	+6.7%	$422.97M	12,306,277
Q3 2025	APP Applovin Corporation	Applovin Corporation	Sell	-210,448	-56.4%	$116.78M	162,525
Q3 2025	AS Amer Sports	Amer Sports	Buy	+2,462,832	+63.5%	$220.44M	6,343,481
Q3 2025	BA Boeing Company (The)	Boeing Company (The)	Buy	+175,486	+6.2%	$649.77M	3,010,551
Q3 2025	BAC Bank of America Corporation	Bank of America Corporation	Sell	-19,746,682	-63.2%	$593.30M	11,500,290
Q3 2025	BBIO BridgeBio Pharma, Inc.	BridgeBio Pharma, Inc.	Sell	-2,577,526	-13.9%	$829.89M	15,977,849
Q3 2025	BLK BlackRock	BlackRock	Buy	+424,388	+217.5%	$722.25M	619,492
Q3 2025	BMRN BioMarin Pharmaceutical Inc.	BioMarin Pharmaceutical Inc.	Sell	-3,966,432	-32.3%	$450.73M	8,322,179
Q3 2025	BSX Boston Scientific Corporation	Boston Scientific Corporation	Sell	-404,082	-13.3%	$257.91M	2,641,682
Q3 2025	CART Maplebear Inc.	Maplebear Inc.	Sell	-2,920,067	-77.8%	$30.62M	832,857
Q3 2025	CBRE CBRE Group Inc	CBRE Group Inc	Buy - Position Entry	+1,210,004	-	$190.65M	1,210,004
Q3 2025	CCL Carnival Corporation	Carnival Corporation	Sell - Position Exit	-13,207,267	-100.0%	$0.00	-
Q3 2025	CHWY Chewy, Inc.	Chewy, Inc.	Buy - Position Entry	+5,483,690	-	$221.82M	5,483,690
Q3 2025	CLS Celestica, Inc.	Celestica, Inc.	Buy - Position Entry	+1,722,780	-	$424.46M	1,722,780
Q3 2025	CME CME Group Inc.	CME Group Inc.	Sell - Position Exit	-597,374	-100.0%	$0.00	-
Q3 2025	CMG Chipotle Mexican Grill, Inc.	Chipotle Mexican Grill, Inc.	Buy	+948,080	+16.7%	$260.09M	6,636,563
Q3 2025	COF Capital One Financial Corporati	Capital One Financial Corporati	Buy	+1,717,148	+30.3%	$1.57B	7,388,506
Q3 2025	COR Cencora, Inc.	Cencora, Inc.	Sell	-303,597	-14.6%	$555.72M	1,778,135
Q3 2025	CPT Camden Property Trust	Camden Property Trust	Buy	+1,130,718	+41.6%	$410.75M	3,846,740
Q3 2025	CSGP CoStar Group, Inc.	CoStar Group, Inc.	Sell	-1,368,839	-42.5%	$156.06M	1,849,729
Q3 2025	CSX CSX Corporation	CSX Corporation	Sell	-2,924,163	-15.5%	$566.30M	15,947,719

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