MPLT · MapLight Therapeutics, Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Holder Concentration
Across 106 13F filersWho Holds MPLT
Last 4 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 105 filers, like-for-like change +6.3%; actively managed books +7.4%; index-like books +2.1%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 24.9% | 46 | +22.4% |
| Exempt adviser | 2.4% | 3 | +0.9% |
| Adviser | 15.3% | 5 | +1.3% |
| Bank | 4.6% | 11 | +52.1% |
| Benefit plan | 0.0% | 1 | -96.5% |
| Non-US | 1.0% | 4 | -20.8% |
| Holding company | 14.8% | 6 | +7.6% |
| Unknown | 37.0% | 29 | -3.2% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 20.5% | 19 | +2.1% |
| Systematic-like | 1.9% | 12 | +28.3% |
| Concentrated | 49.3% | 18 | -1.0% |
| Diversified active | 28.3% | 56 | +24.6% |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 64.4% | 52 | +11.4% |
| Medium turnover | 27.9% | 27 | +1.6% |
| High turnover | 3.9% | 21 | -21.5% |
| Unknown | 3.9% | 5 | -1.4% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 9.3% | 16 | -14.1% |
| Medium horizon | 44.7% | 23 | -2.0% |
| Long horizon | 31.7% | 62 | +40.4% |
| Unknown | 14.3% | 4 | -4.9% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 31.8% | 19 | -6.9% |
| $1B to $10B | 20.2% | 25 | +3.0% |
| $10B to $100B | 3.7% | 21 | -31.8% |
| $100B or more | 44.4% | 40 | +26.9% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 0.1% | 10 | +160.3% |
| Pooled investment vehicles | 13.3% | 19 | -5.6% |
| Registered funds and BDCs | 11.1% | 10 | +83.4% |
| Pension and profit sharing plans | 0.0% | 1 | new |
| Insurance companies | 0.0% | 2 | -25.7% |
| Governments and sovereign funds | 0.3% | 2 | +290.5% |
| Other investment advisers | 0.0% | 1 | +30.9% |
| Diversified | 0.0% | 1 | -84.9% |
| Other | 0.0% | 0 | — |
| Unknown | 75.1% | 59 | +1.9% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 7.7% | 19 | +6.4% |
| Private equity funds | 1.9% | 2 | -0.5% |
| Venture capital funds | 5.9% | 2 | -13.7% |
| Real estate funds | 0.0% | 2 | +78.3% |
| Other private funds | 5.6% | 3 | +1007.4% |
| Mixed private funds | 0.4% | 1 | 0.0% |
| Private funds, type not stated | 0.0% | 1 | 0.0% |
| No private funds | 5.7% | 19 | -0.7% |
| Unknown | 72.7% | 56 | +1.9% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 64.9% | 85 | +12.1% |
| Outside the US | 35.1% | 20 | -3.0% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 1 holder with no observed 2026-03-31 13F and 1 holder with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
105 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $2,157,157 (1 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 96.1% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies MPLT's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | EVMN Evommune, Inc. | 5 |
| 2 | TARA Protara Therapeutics, Inc. | 4 |
| 3 | HELP Helus Pharma Inc. | 5 |
| 4 | TYRA Tyra Biosciences, Inc. | 5 |
| 5 | TRDA Entrada Therapeutics, Inc. | 3 |
| 6 | ARTV Artiva Biotherapeutics, Inc. | 4 |
| 7 | REPL Replimune Group, Inc. | 4 |
| 8 | RAPP Rapport Therapeutics, Inc. | 4 |
| 9 | OCS Oculis Holding AG | 3 |
| 10 | CLDX Celldex Therapeutics, Inc. | 6 |
Shareholder Targets
13F filers that own its peers but not MPLT, quarter ended Jun 30, 2026Found through its holder-overlap peers: EVMN, TARA, HELP, TYRA, TRDA, ARTV, REPL, RAPP, OCS, CLDX, VRDN, LBRX, AVLN, EWTX, LRMR, SION, EYPT, IMVT, NMRA, KYMR. 614 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. Registered adviser, Concentrated | $1,458,637,338 6 held | SION, TYRA, EWTX |
| 2 | Avoro Capital Advisors LLC Registered adviser, Concentrated | $903,054,238 2 held | KYMR, VRDN |
| 3 | ORBIMED ADVISORS LLC Registered adviser, Diversified active | $800,570,471 9 held | EWTX, SION, HELP |
| 4 | Deep Track Capital, LP Adviser, Diversified active | $644,094,242 4 held | IMVT, CLDX, LBRX |
| 5 | BVF INC/IL Unknown, Concentrated | $491,157,902 2 held | KYMR, TYRA |
| 6 | Jupiter Topco LLC Unknown, Diversified active | $475,831,533 12 held | EWTX, TYRA, EYPT |
| 7 | Atlas Venture Life Science Advisors, LLC Unknown, Concentrated | $458,304,057 2 held | KYMR, SION |
| 8 | PERCEPTIVE ADVISORS LLC Registered adviser, Diversified active | $412,030,786 7 held | EWTX, AVLN, IMVT |
| 9 | Driehaus Capital Management LLC Registered adviser, Diversified active | $360,953,789 5 held | EWTX, KYMR, CLDX |
| 10 | TCG Crossover Management, LLC Unknown, Diversified active | $330,314,436 4 held | IMVT, TYRA, LBRX |
Fund Ownership of MPLT by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 5.41% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 1.31% | 608,126 |
| Index ETFs | 4.10% | 1,899,491 |
| Active ETFs | 0.25% | 117,470 |
| Active funds | 7.44% | 3,450,229 |
| Unclassified | 0.04% | 16,828 |
| All registered funds | 13.14% | 6,092,144 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid NOVO HOLDINGS A/S | $132,128,532 | 14.03% | 3,686,622 | Shares | 2026-08-14 | |
| Small FCPM III SERVICES B.V. | $115,634,176 | 12.28% | 3,226,400 | Shares | 2026-08-14 | |
| Mega T. Rowe Price Investment Management, Inc. Adviser | $99,697,131 | 10.59% | 2,781,728 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $69,827,501 | 7.42% | 1,948,312 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $50,997,989 | 5.42% | 1,422,935 | Shares | 2026-08-14 | |
| Mega BlackRock, Inc. Holding company | $36,740,799 | 3.90% | 1,025,134 | Shares | 2026-08-07 | |
| Small Nan Fung Group Holdings Ltd | $34,809,707 | 3.70% | 971,253 | Shares | 2026-08-13 | |
| Small 5AM Venture Management, LLC Registered adviser | $34,048,394 | 3.62% | 950,011 | Shares | 2026-08-14 | |
| Small Sanofi | $32,687,549 | 3.47% | 912,041 | Shares | 2026-07-28 | |
| Mega STATE STREET CORP Bank | $30,541,056 | 3.24% | 852,150 | Shares | 2026-09-22 | |
| Mega FMR LLC Holding company | $29,516,245 | 3.13% | 823,556 | Shares | 2026-08-13 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $28,103,936 | 2.98% | 784,150 | Shares | 2026-08-13 | |
| Small Blue Owl Capital Holdings LP Adviser | $26,160,655 | 2.78% | 729,929 | Shares | 2026-08-11 | |
| Mid Paradigm Biocapital Advisors LP Registered adviser | $24,580,935 | 2.61% | 685,852 | Shares | 2026-08-14 | |
| Small Pivotal bioVenture Partners Investment Advisor LLC Exempt adviser | $21,914,224 | 2.33% | 611,446 | Shares | 2026-08-13 | |
| Small Velan Capital Investment Management LP Registered adviser | $17,665,285 | 1.88% | 492,893 | Shares | 2026-08-14 | |
| Mid Siren, L.L.C. | $16,128,000 | 1.71% | 450,000 | Shares | 2026-08-13 | |
| Mega Capital World Investors Adviser | $14,899,763 | 1.58% | 415,730 | Shares | 2026-08-12 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $14,409,507 | 1.53% | 402,051 | Shares | 2026-08-12 | |
| Large BAKER BROS. ADVISORS LP Registered adviser | $13,071,027 | 1.39% | 364,705 | Shares | 2026-08-14 | |
| Small DAFNA Capital Management LLC Registered adviser | $6,128,855 | 0.65% | 171,006 | Shares | 2026-08-14 | |
| Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. Non-US | $6,123,694 | 0.65% | 170,862 | Shares | 2026-08-13 | |
| Large Freestone Grove Partners LP Registered adviser | $6,053,806 | 0.64% | 168,912 | Shares | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $4,903,557 | 0.52% | 136,818 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $4,617,661 | 0.49% | 128,841 | Shares | 2026-08-14 | |
| Small SUPERSTRING CAPITAL MANAGEMENT LP | $4,495,482 | 0.48% | 125,432 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $4,413,158 | 0.47% | 123,135 | Shares | 2026-08-13 | |
| Mega UBS Group AG Bank | $4,373,483 | 0.46% | 122,028 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $4,180,806 | 0.44% | 116,652 | Shares | 2026-08-13 | |
| Small STEMPOINT CAPITAL LP Registered adviser | $3,831,511 | 0.41% | 106,906 | Shares | 2026-08-14 | |
| Mid SEVEN GRAND MANAGERS, LLC Registered adviser | $3,584,000 | 0.38% | 100,000 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $3,467,914 | 0.37% | 96,761 | Shares | 2026-08-13 | |
| Large LAZARD ASSET MANAGEMENT LLC Adviser | $2,870,138 | 0.30% | 80,082 | Shares | 2026-08-14 | |
| Mid Burkehill Global Management, LP Registered adviser | $2,688,000 | 0.29% | 75,000 | Shares | 2026-08-14 | |
| Mid Boxer Capital Management, LLC Registered adviser | $2,688,000 | 0.29% | 75,000 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $2,526,146 | 0.27% | 70,484 | Shares | 2026-08-13 | |
| Large Trexquant Investment LP Registered adviser | $2,286,305 | 0.24% | 63,792 | Shares | 2026-08-14 | |
| Mega TD Asset Management Inc | $1,954,211 | 0.21% | 54,526 | Shares | 2026-08-04 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $1,951,989 | 0.21% | 54,464 | Shares | 2026-08-14 | |
| Large HRT FINANCIAL LP | $1,863,070 | 0.20% | 51,983 | Shares | 2026-08-14 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP Holding company | $1,860,704 | 0.20% | 51,917 | Shares | 2026-08-14 | |
| Large Jain Global LLC Registered adviser | $1,632,547 | 0.17% | 45,551 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $1,372,812 | 0.15% | 38,304 | Shares | 2026-08-13 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC Registered adviser | $1,254,400 | 0.13% | 35,000 | Shares | 2026-08-14 | |
| Mid Weiss Asset Management LP Registered adviser | $1,186,088 | 0.13% | 33,094 | Shares | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $1,089,893 | 0.12% | 30,410 | Shares | 2026-08-06 | |
| Mid ADAR1 Capital Management, LLC Registered adviser | $949,652 | 0.10% | 26,497 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $922,915 | 0.10% | 25,751 | Shares | 2026-09-02 | |
| Mid Jump Financial, LLC | $903,956 | 0.10% | 25,222 | Shares | 2026-08-13 | |
| Mid XTX Topco Ltd | $893,096 | 0.09% | 24,919 | Shares | 2026-08-14 | |
| Mid Ghisallo Capital Management LLC Registered adviser | $716,800 | 0.08% | 20,000 | Shares | 2026-08-14 | |
| Mega Nuveen, LLC | $642,288 | 0.07% | 17,921 | Shares | 2026-08-11 | |
| Mega CITIGROUP INC Bank | $611,107 | 0.06% | 17,051 | Shares | 2026-08-03 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $609,280 | 0.06% | 17,000 | Put | 2026-09-02 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $564,408 | 0.06% | 15,748 | Shares | 2026-08-12 | |
| Large Rafferty Asset Management, LLC Registered adviser | $496,491 | 0.05% | 13,853 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC Bank | $465,023 | 0.05% | 12,975 | Shares | 2026-08-14 | |
| Small Virtus Investment Advisers, LLC Registered adviser | $422,589 | 0.04% | 11,791 | Shares | 2026-08-11 | |
| Large Quantinno Capital Management LP Registered adviser | $406,389 | 0.04% | 11,339 | Shares | 2026-08-13 | |
| Small MA Private Wealth Registered adviser | $372,341 | 0.04% | 10,389 | Shares | 2026-07-28 | |
| Mega DEUTSCHE BANK AG\ Non-US | $370,083 | 0.04% | 10,326 | Shares | 2026-08-07 | |
| Large LMR Partners LLP Exempt adviser | $358,400 | 0.04% | 10,000 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $337,576 | 0.04% | 9,419 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $322,488 | 0.03% | 8,998 | Shares | 2026-08-14 | |
| Mega Vanguard Global Advisers, LLC Registered adviser | $302,059 | 0.03% | 8,428 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $297,472 | 0.03% | 8,300 | Put | 2026-08-14 | |
| Mega AMERICAN CENTURY COMPANIES INC | $267,724 | 0.03% | 7,470 | Shares | 2026-08-12 | |
| Large MetLife Investment Management, LLC Registered adviser | $263,531 | 0.03% | 7,353 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $260,449 | 0.03% | 7,267 | Shares | 2026-08-06 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE | $252,313 | 0.03% | 7,040 | Shares | 2026-09-09 | |
| Mid PROFUND ADVISORS LLC Registered adviser | $249,303 | 0.03% | 6,956 | Shares | 2026-08-11 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $248,622 | 0.03% | 6,937 | Shares | 2026-08-13 | |
| Mega RAYMOND JAMES FINANCIAL INC | $231,347 | 0.02% | 6,455 | Shares | 2026-08-14 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $229,769 | 0.02% | 6,411 | Shares | 2026-08-14 | |
| Large MARSHALL WACE, LLP Exempt adviser | $207,872 | 0.02% | 5,800 | Shares | 2026-08-13 | |
| Mega Invesco Ltd. Adviser | $205,326 | 0.02% | 5,729 | Shares | 2026-08-14 | |
| Large Police & Firemen's Retirement System of New Jersey | $196,797 | 0.02% | 5,491 | Shares | 2026-07-23 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $189,952 | 0.02% | 5,300 | Shares | 2026-07-29 | |
| Mega JPMORGAN CHASE & CO Bank | $155,258 | 0.02% | 4,332 | Shares | 2026-08-12 | |
| Small MARKET STREET WEALTH MANAGEMENT ADVISORS LLC Registered adviser | $143,923 | 0.02% | 14,124 | Shares | 2026-10-09 | |
| Mid Tower Research Capital LLC (TRC) | $71,536 | 0.01% | 1,996 | Shares | 2026-08-11 | |
| Large OSAIC HOLDINGS, INC. Holding company | $68,024 | 0.01% | 1,898 | Shares | 2026-08-14 | |
| Small Aster Capital Management (DIFC) Ltd | $53,043 | 0.01% | 1,480 | Shares | 2026-08-14 | |
| Small Pinnacle Wealth Planning Services, Inc. Registered adviser | $45,337 | 0.00% | 1,265 | Shares | 2026-08-07 | |
| Mid SBI Securities Co., Ltd. Non-US | $41,574 | 0.00% | 1,160 | Shares | 2026-07-23 | |
| Large Penserra Capital Management LLC Registered adviser | $38,993 | 0.00% | 1,088 | Shares | 2026-08-13 | |
| Mega Legal & General Group Plc | $37,022 | 0.00% | 1,033 | Shares | 2026-08-14 | |
| Mid Ameritas Investment Partners, Inc. Registered adviser | $33,904 | 0.00% | 946 | Shares | 2026-08-13 | |
| Small Caitong International Asset Management Co., Ltd | $19,712 | 0.00% | 550 | Shares | 2026-08-05 | |
| Mid SIMPLEX TRADING, LLC | $19,281 | 0.00% | 538 | Shares | 2026-08-12 | |
| Mega ROYAL BANK OF CANADA Bank | $16,987 | 0.00% | 474 | Shares | 2026-08-14 | |
| Small State of Wyoming | $12,938 | 0.00% | 361 | Shares | 2026-08-06 | |
| Large Pacer Advisors, Inc. | $8,279 | 0.00% | 231 | Shares | 2026-08-13 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Benefit plan | $5,160 | 0.00% | 144 | Shares | 2026-08-24 | |
| Mega PNC FINANCIAL SERVICES GROUP, INC. Bank | $3,368 | 0.00% | 94 | Shares | 2026-08-07 | |
| Large Farther Finance Advisors, LLC Registered adviser | $2,873 | 0.00% | 282 | Shares | 2026-10-08 | |
| Mid Global Retirement Partners, LLC | $2,257 | 0.00% | 63 | Shares | 2026-08-06 | |
| Mid Sterling Capital Management LLC Registered adviser | $2,007 | 0.00% | 56 | Shares | 2026-07-28 | |
| Mid GAMMA Investing LLC Registered adviser | $1,936 | 0.00% | 190 | Shares | 2026-10-08 | |
| Large Arax Advisory Partners Registered adviser | $1,182 | 0.00% | 33 | Shares | 2026-08-10 |
Showing the top 100 of 107 holders. Create a free account to see every holder, past quarters, search, filters and CSV export.