MapLight Therapeutics, Inc. - Common Stock, par value $0.0001 per share (MPLT)

Q: What does CUSIP 56565P103 represent in this 13F holders report?

CUSIP 56565P103 is the security identifier for MPLT - MapLight Therapeutics, Inc. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held MPLT - MapLight Therapeutics, Inc. - Common Stock, par value $0.0001 per share in Q3 2026?

4 institutional investors reported MPLT - MapLight Therapeutics, Inc. - Common Stock, par value $0.0001 per share for Q3 2026. Use the holders table for investor-level position and value details.

CUSIP: 56565P103

Q3 2026 13F Holders as of 30 Sep 2026

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 14,605
Total 13F value: $148,826
Share change: +188
SEC-reported price per share: $10.19
Number of holders: 4
Value change: +$634
Number of buys: 3
Number of sells: 1
Shares outstanding: 53,015,891

Security key

56565P103

Report period

Q3 2026

Institutions

Top holders

MPLT full security history Ownership snapshot Full 13F holder table Previous quarter: Q1 2026 MapLight Therapeutics, Inc. SEC filings MapLight Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 56565P103

Previous quarter: Q1 2026

Recent filing periods:

Q3 2026 Q1 2026 Q4 2025

Ownership snapshot

Top reported holders of MPLT - MapLight Therapeutics, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Catalyst4, Inc.

Disclosed value leader

Catalyst4, Inc.

Comparable rows

15/15

Latest evidence

14 Aug 2026

13D/G 3/4/5 13F Lead comparable stake: 50% 13D/G row: Catalyst4, Inc. Showing 1-6 of 15 holder rows.

Quick read

Catalyst4, Inc. leads the comparable SEC ownership view at 50%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Catalyst4, Inc.'s linked filing trail.

Comparable ownership Top 5

Catalyst4, Inc. 50%

T. Rowe Price Investment Manageme... 7.4%

Forbion Growth Opportunities Fund... 7.1%

Pivotal bioVenture Partners Fund ... 5.5%

Novo Holdings A/S 4.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Catalyst4, Inc.	13D/G 3/4/5 10%+ Owner 13D/G 3/4/5	50%	$386,330,234 27,536,011 shares	+$93,009,388	14 Aug 2026
T. Rowe Price Investment Management, Inc.	13F 13D/G Company 13F 13D/G	7.4% from 13D/G	$99,698,000 2,781,728 shares	—	30 Jun 2026
Forbion Growth Opportunities Fund III Cooperatief U.A.	13D/G 13D/G	7.1%	$61,527,448 3,226,400 shares	$0	31 Dec 2025
Pivotal bioVenture Partners Fund II, L.P.	13D/G Nan Fung Group Holdings Limited 13D/G	5.5%	$40,909,712 2,915,874 shares	$0	13 Aug 2026
Novo Holdings A/S	13F 13D/G 3/4/5 Company · 10%+ Owner 13F 13D/G 3/4/5	4.9% from 13D/G	$132,128,532 3,686,622 shares	—	30 Jun 2026
FCPM III SERVICES B.V.	13F Company 13F	6.1%	$115,634,176 3,226,400 shares	—	30 Jun 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

14,605

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q1 2026 Across Filers

Q1 2026 holders

Q3 2026 holders

Holder diff

-76

Investor	Q1 2026 Shares	Q3 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q3 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend