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Weiss Asset Management LP

Position in MPLT — MapLight Therapeutics, Inc.

CIK 1357550 BOSTON, MA

Position in MPLT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,186,088
New position
Shares Held
33,094
first reported quarter
Ownership
0.071%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#45
of 106 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority Sole 100% Shared 0% None 0%

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Weiss Asset Management LP holds $396,341,883 across 27 Biotechnology names. MPLT ranks #18 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MPLT

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-06-30 $1,186,088 33,094