106 institutional investment managers reported MPLT positions in their Form 13F filings for Q2 2026, holding 26,255,310 shares worth $941M in total. Novo Holdings A/S reported the largest position.

Are funds buying or selling MPLT?

In Q2 2026, 36 managers opened new MPLT positions, 21 added, 29 trimmed and 10 sold out. Managers that filed in both quarters added a net 1,509,574 shares.

How current is this MPLT institutional ownership data?

It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Funds · MPLT

Who owns MPLT?

Institutional ownership of MapLight Therapeutics Inc. from Form 13F, Q2 2026

106 institutional managers reported holding MapLight Therapeutics Inc. (MPLT) in Form 13F filings for Q2 2026, with 26,255,310 shares worth $941M. The largest reported holder was Novo Holdings A/S. Managers that filed both quarters added a net 1,509,574 shares (+6.1%). 36 opened new positions and 10 sold out.

Funds holding: 106
Value held: $941M
New / sold out: 36 / 10
Net shares, same filers: +6.1%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of MPLT

Fund	Value	Share of 13F holdings	Shares	Move
Novo Holdings A/S	$132M	14.0%	3,686,622	Unchanged
FCPM III Services B.v.	$116M	12.3%	3,226,400	Unchanged
T. Rowe Price Investment Management, Inc.	$99.7M	10.6%	2,781,728	Trimmed
Goldman Sachs Group Inc	$69.8M	7.4%	1,948,312	Trimmed
Price T Rowe Associates Inc	$51.0M	5.4%	1,422,935	Added
BlackRock, Inc.	$36.7M	3.9%	1,025,134	Trimmed
Nan Fung Group Holdings Ltd	$34.8M	3.7%	971,253	Unchanged
5AM Venture Management, LLC	$34.0M	3.6%	950,011	Unchanged
Sanofi	$32.7M	3.5%	912,041	Unchanged
State Street Corp	$30.5M	3.2%	852,150	Added
FMR LLC	$29.5M	3.1%	823,556	Added
Vanguard Capital Management LLC	$28.1M	3.0%	784,150	Added
Blue Owl Capital Holdings LP	$26.2M	2.8%	729,929	Trimmed
Paradigm Biocapital Advisors LP	$24.6M	2.6%	685,852	New
Pivotal bioVenture Partners Investment Advisor LLC	$21.9M	2.3%	611,446	Unchanged
Velan Capital Investment Management LP	$17.7M	1.9%	492,893	Unchanged
Siren, L.L.C.	$16.1M	1.7%	450,000	Unchanged
Capital World Investors	$14.9M	1.6%	415,730	New
Geode Capital Management, LLC	$14.4M	1.5%	402,051	Trimmed
Baker Bros. Advisors LP	$13.1M	1.4%	364,705	Unchanged
DAFNA Capital Management LLC	$6.1M	0.7%	171,006	Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	$6.1M	0.7%	170,862	Trimmed
Freestone Grove Partners LP	$6.1M	0.6%	168,912	Trimmed
Charles Schwab Investment Management Inc	$4.9M	0.5%	136,818	Trimmed
Millennium Management LLC	$4.6M	0.5%	128,841	New

Share of 13F holdings is each fund's shares as a share of the 26,255,310 MPLT shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

Price T Rowe Associates Inc Added+$47.0M
Paradigm Biocapital Advisors LP New+$24.6M
FMR LLC Added+$22.2M
State Street Corp Added+$18.4M
Capital World Investors New+$14.9M
Millennium Management LLC New+$4.6M
Boxer Capital Management, LLC New+$2.7M
Vanguard Capital Management LLC Added+$2.3M
Trexquant Investment LP New+$2.3M
HRT Financial LP New+$1.9M

Biggest sellers in Q2 2026

ADAR1 Capital Management, LLC Trimmed-$12.5M
BlackRock, Inc. Trimmed-$11.3M
Blue Owl Capital Holdings LP Trimmed-$9.9M
Vestal Point Capital, LP Sold out-$8.5M
Freestone Grove Partners LP Trimmed-$5.2M
Ra Capital Management, L.p. Sold out-$5.0M
UBS Group AG Trimmed-$4.1M
Board of Trustees of The Leland Stanford Junior University Sold out-$4.1M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. Trimmed-$3.5M
Stempoint Capital LP Trimmed-$3.3M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $155M and sold $85.0M; 21 added and 29 trimmed.

Schedule 13D and 13G filings on MPLT

Owners of more than 5% must file within days, so these can be newer than the 13F data.

2025-11-04Novo Holdings A/S SCHEDULE 13D filed by MapLight Therapeutics Inc.Schedule 13D

Questions about MPLT ownership

Who owns MPLT stock?: 106 institutional investment managers reported MPLT positions in their Form 13F filings for Q2 2026, holding 26,255,310 shares worth $941M in total. Novo Holdings A/S reported the largest position.
Are funds buying or selling MPLT?: In Q2 2026, 36 managers opened new MPLT positions, 21 added, 29 trimmed and 10 sold out. Managers that filed in both quarters added a net 1,509,574 shares.
How current is this MPLT institutional ownership data?: It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to MPLT by CUSIP. Options are left out. MPLT news and filings · MPLT insider trades · Top funds