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MPLT

MapLight Therapeutics
MPLT

81 hedge funds and large institutions have $502M invested in MapLight Therapeutics in 2026 Q1 according to their latest regulatory filings, with 22 funds opening new positions, 26 increasing their positions, 13 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more repeat investments, than reductions

Existing positions increased: 26 | Existing positions reduced: 13

57% more first-time investments, than exits

New positions opened: 22 | Existing positions closed: 14

24% more capital invested

Capital invested by funds: $405M → $502M (+$97M)

13% more funds holding in top 10

Funds holding in top 10: 8 → 9 (+1)

9% more funds holding

Funds holding: 74 → 81 (+7)

7.37% more ownership

Funds ownership: 50.84% → 58.21% (+7.4%)

Holders
81
Holders Change
+7
Holders Change %
+9.46%
% of All Funds
1%
Holding in Top 10
9
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+12.5%
% of All Funds
0.11%
New
22
Increased
26
Reduced
13
Closed
14
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
BOCH
Blue Owl Capital Holdings
New York
+$12.1M
2
ACM
ADAR1 Capital Management
Texas
+$6.71M
3
RCM
RA Capital Management
Massachusetts
+$4.44M
4
BlackRock
BlackRock
New York
+$4.37M
5
UBS Group
UBS Group
Switzerland
+$3.9M

Top Sellers

Rank Fund Capital Flow
1
PA
Perceptive Advisors
New York
-$9.66M
2
JG
Jain Global
New York
-$5.76M
3
Citadel Advisors
Citadel Advisors
Florida
-$3.34M
4
Ameriprise
Ameriprise
Minnesota
-$1.17M
5
Lazard Asset Management
Lazard Asset Management
New York
-$1.17M
Name Holding Trade Value Shares
Change 		Change in
Stake
RFP
76
Root Financial Partners
California
$569 +$501 +28 New
MCM
77
MAI Capital Management
Ohio
$244 +$215 +12 New
AF
78
Allworth Financial
California
$122 +$107 +6 New
EWA
79
EverSource Wealth Advisors
Alabama
$122 +$107 +6 New
TWD
80
True Wealth Design
Ohio
$61 +$54 +3 New
AAP
81
Arax Advisory Partners
Colorado
$20 +$89 +5 New
PA
82
Perceptive Advisors
New York
– -$9.66M -550,000 Closed
JG
83
Jain Global
New York
– -$5.76M -327,693 Closed
Citadel Advisors
84
Citadel Advisors
Florida
– -$3.34M -190,139 Closed
Ameriprise
85
Ameriprise
Minnesota
– -$1.17M -66,872 Closed
DP
86
Diadema Partners
New Jersey
– -$1.12M -63,791 Closed
O
87
OrbiMed
New York
– -$952K -56,000 Closed
Marshall Wace
88
Marshall Wace
United Kingdom
– -$697K -39,659 Closed
PAP
89
Persistent Asset Partners
Hong Kong
– -$382K -21,766 Closed
OAM
90
Oxford Asset Management
United Kingdom
– -$312K -17,763 Closed
Millennium Management
91
Millennium Management
New York
– -$245K -13,945 Closed
LCM
92
Lynx1 Capital Management
Puerto Rico
– -$237K -13,477 Closed
Royal Bank of Canada
93
Royal Bank of Canada
Ontario, Canada
– -$10K -582 Closed
AB
94
Amalgamated Bank
New York
– -$9K -530 Closed
FDCDDQ
95
Federation des caisses Desjardins du Quebec
Quebec, Canada
– -$8.78K -500 Closed
1 2 3
4

MPLT Hedge Fund Activity: Q1 2026 in Review

81 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in MapLight Therapeutics (MPLT) for Q1 2026, worth a combined $502M — up 24% from $405M a quarter earlier.

Buyers outnumbered sellers: 22 funds opened new MPLT positions and 14 closed out — a net gain of 8 holders — while 26 added to existing stakes and 13 trimmed.

The largest buyer was Blue Owl Capital Holdings, adding an estimated $12.1M. The largest seller was Perceptive Advisors, exiting entirely with an estimated $9.66M sold.

  • 81 institutional investors held MapLight Therapeutics (MPLT) as of Q1 2026, up from 74 in Q4 2025.
  • Funds reported $502M of MapLight Therapeutics stock for Q1 2026, up 24% quarter-over-quarter.
  • 22 funds opened new MapLight Therapeutics positions in Q1 2026 and 14 closed out, a net change of +8 holders.
  • The largest MapLight Therapeutics buyer in Q1 2026 was Blue Owl Capital Holdings, an estimated $12.1M added.
  • The largest MapLight Therapeutics seller in Q1 2026 was Perceptive Advisors, an estimated $9.66M sold.

Based on aggregated 13F filings for Q1 2026.