Marshall Wace’s Abbott ABT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$145K Buy
+1,600
New +$146K ﹤0.01% 2878
2026
Q1
Sell
-100
Closed -$12.5K 3131
2025
Q4
$12.5K Buy
+100
New +$12.7K ﹤0.01% 2848
2024
Q2
Sell
-22,000
Closed -$2.29M 2488
2024
Q1
$2.29M Sell
22,000
-120,500
-85% -$13.8M ﹤0.01% 1298
2023
Q4
$15.7M Buy
+142,500
New +$14.2M 0.03% 549

Other funds holding ABT

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.