MPLT — MAPLIGHT THERAPEUTICS INC
As of Q2 2026, 27 SEC-registered investment managers reported holding MPLT (MAPLIGHT THERAPEUTICS INC) in their latest 13F filings, with a combined reported value of $196.95M across 6.92M shares. That is +36.7% by share count (+1.86M shares) versus the previous quarter, while reported value moved +95.9%. Ownership is concentrated: the five largest holders account for 84.0% of reported value and the top ten for 94.6%.
Compared with the prior quarter, 8 opened new positions, 7 added to existing stakes, 12 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
MPLT is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 27 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Goldman Sachs Group history | 1.95M | $69.83M | 0.01% | Reduce |
| BlackRock Inc history | 1.03M | $36.74M | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 823.56K | $29.52M | 0.00% | Add |
| Capital World Investors history | 415.73K | $14.90M | 0.00% | New |
| Geode Capital Management history | 402.05K | $14.41M | 0.00% | Reduce |
| Charles Schwab Investment Management history | 136.82K | $4.90M | 0.00% | Reduce |
| Millennium Management history | 128.84K | $4.62M | 0.00% | New |
| UBS Group AG history | 122.03K | $4.37M | 0.00% | Reduce |
| Northern Trust Corp history | 116.65K | $4.18M | 0.00% | Reduce |
| Lazard Asset Management history | 80.08K | $2.87M | 0.00% | Reduce |
| Bank of America Corp history | 54.46K | $1.95M | 0.00% | Add |
| Wellington Management Group history | 51.92K | $1.86M | 0.00% | Add |
| Citadel Advisors history | 42.75K | $1.53M | 0.00% | New |
| Morgan Stanley history | 38.30K | $1.37M | 0.00% | Add |
| BNY Mellon history | 30.41K | $1.09M | 0.00% | Reduce |
| Citigroup Inc history | 17.05K | $611.11K | 0.00% | Add |
| Deutsche Bank AG history | 10.33K | $370.08K | 0.00% | Reduce |
| Wells Fargo & Co history | 9.42K | $337.58K | 0.00% | Add |
| Two Sigma Investments history | 9.00K | $322.49K | 0.00% | Reduce |
| Manulife Financial history | 7.04K | $252.31K | 0.00% | New |
| Renaissance Technologies history | 6.94K | $248.62K | 0.00% | New |
| Marshall Wace history | 5.80K | $207.87K | 0.00% | New |
| Invesco Ltd history | 5.73K | $205.33K | 0.00% | Reduce |
| JPMorgan Chase & Co history | 4.33K | $148.59K | 0.00% | New |
| T. Rowe Price Associates history | 1.42M | $51.00K | 0.01% | Add |
| Legal & General Investment Management America history | 1.03K | $37.02K | 0.00% | Reduce |
| PNC Financial Services history | 94 | $3.37K | 0.00% | New |
Q1 2026 — 20 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Goldman Sachs Group history | 1.99M | $40.56M | 0.01% | Add |
| BlackRock Inc history | 1.34M | $27.24M | 0.00% | Add |
| Geode Capital Management history | 481.20K | $9.79M | 0.00% | Add |
| UBS Group AG history | 236.51K | $4.81M | 0.00% | Add |
| Fidelity Management & Research (FMR) history | 204.50K | $4.16M | 0.00% | Add |
| Charles Schwab Investment Management history | 161.15K | $3.28M | 0.00% | Add |
| Northern Trust Corp history | 146.17K | $2.97M | 0.00% | Add |
| Lazard Asset Management history | 142.02K | $2.89M | 0.01% | Reduce |
| Janus Henderson Group history | 54.75K | $1.11M | 0.00% | New |
| Wellington Management Group history | 46.21K | $939.41K | 0.00% | New |
| BNY Mellon history | 39.47K | $802.32K | 0.00% | Add |
| Morgan Stanley history | 30.50K | $620.17K | 0.00% | Add |
| Bank of America Corp history | 18.87K | $383.61K | 0.00% | Reduce |
| Two Sigma Investments history | 14.10K | $286.61K | 0.00% | New |
| Deutsche Bank AG history | 13.68K | $278.09K | 0.00% | Add |
| Invesco Ltd history | 12.25K | $249.08K | 0.00% | Reduce |
| Wells Fargo & Co history | 7.16K | $145.62K | 0.00% | Reduce |
| Legal & General Investment Management America history | 1.80K | $36.70K | 0.00% | Add |
| Citigroup Inc history | 960 | $19.52K | 0.00% | Add |
| T. Rowe Price Associates history | 112.71K | $2.29K | 0.00% | New |
Q4 2025 — 21 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Goldman Sachs Group history | 1.94M | $34.03M | 0.00% | New |
| BlackRock Inc history | 1.10M | $19.24M | 0.00% | New |
| Vanguard Group history | 869.67K | $15.28M | 0.00% | New |
| Geode Capital Management history | 389.03K | $6.83M | 0.00% | New |
| Lazard Asset Management history | 207.49K | $3.64M | 0.01% | New |
| Citadel Advisors history | 190.14K | $3.34M | 0.00% | New |
| Charles Schwab Investment Management history | 138.43K | $2.43M | 0.00% | New |
| Northern Trust Corp history | 119.56K | $2.10M | 0.00% | New |
| Marshall Wace history | 39.66K | $696.81K | 0.00% | New |
| Bank of America Corp history | 37.82K | $664.31K | 0.00% | New |
| BNY Mellon history | 35.86K | $629.83K | 0.00% | New |
| Morgan Stanley history | 23.22K | $407.89K | 0.00% | New |
| Wells Fargo & Co history | 18.69K | $328.24K | 0.00% | New |
| UBS Group AG history | 18.29K | $321.26K | 0.00% | New |
| Millennium Management history | 13.95K | $244.94K | 0.00% | New |
| Invesco Ltd history | 12.97K | $227.82K | 0.00% | New |
| Deutsche Bank AG history | 11.93K | $209.57K | 0.00% | New |
| JPMorgan Chase & Co history | 6.74K | $118.44K | 0.00% | New |
| Legal & General Investment Management America history | 1.65K | $28.96K | 0.00% | New |
| Fidelity Management & Research (FMR) history | 904 | $15.88K | 0.00% | New |
| Citigroup Inc history | 383 | $6.73K | 0.00% | New |
New Positions (Q2 2026)
- Capital World Investors 415.73K sh · $14.90M
- Millennium Management 128.84K sh · $4.62M
- Citadel Advisors 42.75K sh · $1.53M
- Manulife Financial 7.04K sh · $252.31K
- Renaissance Technologies 6.94K sh · $248.62K
- Marshall Wace 5.80K sh · $207.87K
- JPMorgan Chase & Co 4.33K sh · $148.59K
- PNC Financial Services 94 sh · $3.37K
Fully Exited (vs previous quarter)
- Janus Henderson Group sold 54.75K sh · $1.11M
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 |
|---|---|---|---|
| Goldman Sachs Group | 1.95M | 1.99M | 1.94M |
| BlackRock Inc | 1.03M | 1.34M | 1.10M |
| Fidelity Management & Research (FMR) | 823.56K | 204.50K | 904 |
| Capital World Investors | 415.73K | — | — |
| Geode Capital Management | 402.05K | 481.20K | 389.03K |
| Charles Schwab Investment Management | 136.82K | 161.15K | 138.43K |
| Millennium Management | 128.84K | — | 13.95K |
| UBS Group AG | 122.03K | 236.51K | 18.29K |
| Northern Trust Corp | 116.65K | 146.17K | 119.56K |
| Lazard Asset Management | 80.08K | 142.02K | 207.49K |
| Bank of America Corp | 54.46K | 18.87K | 37.82K |
| Wellington Management Group | 51.92K | 46.21K | — |
| Citadel Advisors | 42.75K | — | 190.14K |
| Morgan Stanley | 38.30K | 30.50K | 23.22K |
| BNY Mellon | 30.41K | 39.47K | 35.86K |
| Citigroup Inc | 17.05K | 960 | 383 |
| Deutsche Bank AG | 10.33K | 13.68K | 11.93K |
| Wells Fargo & Co | 9.42K | 7.16K | 18.69K |
| Two Sigma Investments | 9.00K | 14.10K | — |
| Manulife Financial | 7.04K | — | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details