Marshall Wace’s MapLight Therapeutics MPLT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$208K Buy
+5,800
New +$167K ﹤0.01% 2826
2026
Q1
Sell
-39,659
Closed -$697K 3794
2025
Q4
$697K Buy
+39,659
New +$664K ﹤0.01% 2105

Other funds holding MPLT

Marshall Wace's MPLT Position: Q2 2026 in Review

Marshall Wace opened a new position in MapLight Therapeutics (MPLT) in Q2 2026: 5,800 shares worth $208K. The stake represents ﹤0.01% of the portfolio and ranks #2826 among its holdings. This is a return to the name: Marshall Wace previously reported a position in MPLT as recently as Q4 2025.

Marshall Wace first reported a position in MPLT in Q4 2025 and has held it in 2 quarters since. The position peaked at $697K in Q4 2025. 100 funds tracked by Wall St. Rank hold MPLT as of Q2 2026.

  • Marshall Wace held 5,800 shares of MapLight Therapeutics worth $208K as of Q2 2026.
  • MapLight Therapeutics was a new Marshall Wace position in Q2 2026.
  • MapLight Therapeutics made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2826 holding.
  • Marshall Wace first reported a position in MapLight Therapeutics in Q4 2025 and has held it in 2 quarters since.
  • Marshall Wace's MapLight Therapeutics position peaked at $697K in Q4 2025.
  • 100 funds tracked by Wall St. Rank held MapLight Therapeutics as of Q2 2026.

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