Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$106K Buy
+300
New +$107K ﹤0.01% 2891
2024
Q3
Sell
-96,200
Closed -$30.1M 2459
2024
Q2
$30.1M Buy
+96,200
New +$28.3M 0.04% 383
2023
Q2
Sell
-19,400
Closed -$4.69M 2428
2023
Q1
$4.69M Buy
+19,400
New +$4.76M 0.01% 1034

Other funds holding AMGN

Marshall Wace's AMGN Position: Q1 2026 in Review

Marshall Wace increased its Amgen (AMGN) stake by 221% in Q1 2026, buying an estimated $77.7M and bringing the position to 316,917 shares worth $112M. The position accounts for 0.11% of the portfolio, ranked #150.

Marshall Wace first reported a position in AMGN in Q2 2013 and has held it in 37 quarters since. The position peaked at $416M in Q3 2023. 3,128 funds tracked by Wall St. Rank hold AMGN as of Q1 2026.

  • Marshall Wace held 316,917 shares of Amgen worth $112M as of Q1 2026.
  • Marshall Wace bought 218,065 Amgen shares in Q1 2026, an estimated $77.7M.
  • Amgen made up 0.11% of Marshall Wace's portfolio in Q1 2026, its #150 holding.
  • Marshall Wace first reported a position in Amgen in Q2 2013 and has held it in 37 quarters since.
  • Marshall Wace's Amgen position peaked at $416M in Q3 2023.
  • 3,128 funds tracked by Wall St. Rank held Amgen as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.