Marshall Wace’s Abbott ABT Stock Holding History

Marshall Wace’s Portfolio ABT Stock Details ABT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-300,000	Closed	-$33.9M	–	2577
2024 Q4	$33.9M	Buy	+300,000	New	+$34.7M	0.04%	386
2024 Q1	–	Sell	-200,800	Closed	-$22.1M	–	2391
2023 Q4	$22.1M	Buy	+200,800	New	+$20.1M	0.04%	453

Other funds holding ABT

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Marshall Wace's ABT Position: Q2 2026 in Review

Marshall Wace increased its Abbott (ABT) stake by 176% in Q2 2026, buying an estimated $322M and bringing the position to 5,542,438 shares worth $503M. The position accounts for 0.4% of the portfolio, ranked #22.

Marshall Wace first reported a position in ABT in Q1 2014 and has held it in 38 quarters since. 2,969 funds tracked by Wall St. Rank hold ABT as of Q2 2026.

Marshall Wace held 5,542,438 shares of Abbott worth $503M as of Q2 2026.
Marshall Wace bought 3,531,500 Abbott shares in Q2 2026, an estimated $322M.
Abbott made up 0.4% of Marshall Wace's portfolio in Q2 2026, its #22 holding.
Marshall Wace first reported a position in Abbott in Q1 2014 and has held it in 38 quarters since.
2,969 funds tracked by Wall St. Rank held Abbott as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.