PRAX · Praxis Precision Medicines, 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 316 13F filersWho Holds PRAX
Last 8 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: 309 filers, like-for-like change +5.0%; actively managed books +6.0%; index-like books +1.8%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 47.6% | 158 | +10.1% |
| Exempt adviser | 0.9% | 4 | +63.6% |
| Adviser | 3.5% | 9 | +87.5% |
| Bank | 6.4% | 18 | +9.7% |
| Insurer | 0.1% | 3 | -31.9% |
| Broker-dealer | 0.0% | 2 | +57.9% |
| Benefit plan | 0.2% | 5 | -1.9% |
| Non-US | 2.0% | 10 | +33.1% |
| Holding company | 19.0% | 10 | -0.2% |
| Unknown | 20.3% | 90 | -10.5% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 24.4% | 38 | +1.8% |
| Systematic-like | 2.2% | 25 | +37.3% |
| Concentrated | 6.4% | 38 | -15.9% |
| Diversified active | 67.1% | 208 | +8.0% |
| Unknown | 0.0% | 0 | -100.0% |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 42.3% | 141 | +8.3% |
| Medium turnover | 33.5% | 93 | -0.4% |
| High turnover | 4.3% | 47 | -5.4% |
| Unknown | 19.9% | 28 | +11.0% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 19.4% | 43 | +9.3% |
| Medium horizon | 12.6% | 51 | -0.3% |
| Long horizon | 43.8% | 178 | +14.6% |
| Unknown | 24.1% | 37 | -8.9% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 2.3% | 57 | -4.5% |
| $1B to $10B | 15.9% | 81 | -7.4% |
| $10B to $100B | 23.2% | 98 | -2.3% |
| $100B or more | 58.6% | 73 | +13.0% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 0.2% | 46 | +14.2% |
| Pooled investment vehicles | 26.0% | 49 | -1.6% |
| Registered funds and BDCs | 15.4% | 24 | +29.1% |
| Pension and profit sharing plans | 0.0% | 4 | +48.7% |
| Insurance companies | 0.6% | 3 | +93.4% |
| Governments and sovereign funds | 0.5% | 7 | +39.0% |
| Other investment advisers | 0.0% | 5 | -4.6% |
| Diversified | 4.8% | 18 | +20.6% |
| Corporations | 0.0% | 0 | — |
| Unknown | 52.5% | 153 | +0.7% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 26.5% | 57 | +10.5% |
| Private equity funds | 4.6% | 9 | -14.0% |
| Venture capital funds | 0.9% | 3 | -57.2% |
| Real estate funds | 0.0% | 3 | -0.5% |
| Liquidity funds | 0.0% | 1 | -4.2% |
| Securitized asset funds | 0.1% | 1 | -5.1% |
| Other private funds | 4.3% | 15 | +36.9% |
| Mixed private funds | 0.4% | 4 | +87.6% |
| Private funds, type not stated | 0.3% | 3 | +1194.0% |
| No private funds | 11.4% | 65 | +27.2% |
| Unknown | 51.5% | 148 | +0.1% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 89.2% | 248 | +7.1% |
| Outside the US | 10.8% | 61 | -10.9% |
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 3 holders with no observed 2026-03-31 13F and 2 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
108 13F filers, quarter ended Sep 30, 2022Measured 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.
Estimated Holder Cost Basis
Quarter ended Sep 30, 2022, 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 97.4% 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.
Shareholder Targets
13F filers that own its peers but not PRAX, quarter ended Sep 30, 2022PRAX has no holder-overlap peers, so these filers hold the largest Healthcare stocks: UNH, JNJ, LLY, TMO, PFE, ABBV, MRK, DHR, ABT, BMY, CVS, ELV, AMGN, MDT, CI, VRTX, REGN, ZTS, GILD, SYK. 4,535 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | Capital World Investors Adviser, Diversified active | $69,718,548,246 17 held | UNH, PFE, LLY |
| 2 | WELLINGTON MANAGEMENT GROUP LLP Holding company, Diversified active | $62,465,515,432 20 held | UNH, PFE, LLY |
| 3 | Capital International Investors Adviser, Diversified active | $42,947,325,206 17 held | UNH, ABBV, ABT |
| 4 | Capital Research Global Investors Adviser, Diversified active | $40,983,360,134 17 held | UNH, ABT, ABBV |
| 5 | NORGES BANK Non-US, Index-like | $34,748,389,790 20 held | UNH, JNJ, TMO |
| 6 | LILLY ENDOWMENT INC Unknown, Unknown | $33,555,261,463 1 held | LLY |
| 7 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Registered adviser, Diversified active | $28,003,649,842 18 held | TMO, JNJ, CI |
| 8 | PNC FINANCIAL SERVICES GROUP, INC. Bank, Diversified active | $22,804,939,511 20 held | LLY, JNJ, MRK |
| 9 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO Insurer, Diversified active | $20,152,914,685 9 held | LLY, JNJ, ZTS |
| 10 | FRANKLIN RESOURCES INC Adviser, Diversified active | $17,941,905,875 20 held | UNH, JNJ, MDT |
Fund Ownership of PRAX by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 18.69% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 3.24% | 905,388 |
| Index ETFs | 15.45% | 4,312,374 |
| Active ETFs | 0.48% | 135,345 |
| Active funds | 19.96% | 5,573,269 |
| Unclassified | 0.16% | 44,165 |
| All registered funds | 39.29% | 10,970,541 |
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 |
|---|---|---|---|---|---|---|
| Mega Jupiter Topco LLC | $1,145,441,799 | 9.85% | 3,421,374 | Shares | 2026-08-14 | |
| Mega FMR LLC Holding company | $775,677,292 | 6.67% | 2,316,907 | Shares | 2026-08-13 | |
| Mega BlackRock, Inc. Holding company | $767,534,525 | 6.60% | 2,292,585 | Shares | 2026-08-07 | |
| Mid PERCEPTIVE ADVISORS LLC Registered adviser | $681,627,752 | 5.86% | 2,035,986 | Shares | 2026-08-14 | |
| Large BAKER BROS. ADVISORS LP Registered adviser | $586,953,158 | 5.05% | 1,753,198 | Shares | 2026-08-14 | |
| Large Orbis Allan Gray Ltd | $512,157,724 | 4.40% | 1,529,788 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $447,006,586 | 3.84% | 1,335,185 | Shares | 2026-08-13 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $413,565,752 | 3.56% | 1,235,299 | Shares | 2026-08-13 | |
| Mega STATE STREET CORP Bank | $343,642,851 | 2.95% | 1,026,443 | Shares | 2026-09-22 | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. Registered adviser | $339,972,549 | 2.92% | 1,015,480 | Shares | 2026-08-14 | |
| Mid DEERFIELD MANAGEMENT COMPANY, L.P. Registered adviser | $322,520,281 | 2.77% | 963,351 | Shares | 2026-08-14 | |
| Large Driehaus Capital Management LLC Registered adviser | $321,079,679 | 2.76% | 959,048 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $315,706,634 | 2.71% | 942,999 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $285,948,152 | 2.46% | 854,112 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $250,435,976 | 2.15% | 748,039 | Shares | 2026-08-12 | |
| Mid Cormorant Asset Management, LP Registered adviser | $214,265,600 | 1.84% | 640,000 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $183,742,793 | 1.58% | 548,830 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $183,106,693 | 1.57% | 546,930 | Shares | 2026-08-14 | |
| Mega Invesco Ltd. Adviser | $179,965,691 | 1.55% | 537,548 | Shares | 2026-08-14 | |
| Large Hood River Capital Management LLC Registered adviser | $142,341,659 | 1.22% | 425,167 | Shares | 2026-08-14 | |
| Mega NORGES BANK Non-US | $116,161,751 | 1.00% | 346,969 | Shares | 2026-08-12 | |
| Mega FRANKLIN RESOURCES INC Adviser | $109,517,842 | 0.94% | 327,124 | Shares | 2026-08-13 | |
| Mega Pictet Asset Management Holding SA | $97,654,560 | 0.84% | 291,689 | Shares | 2026-07-30 | |
| Large Polar Capital Holdings Plc Registered adviser | $93,450,267 | 0.80% | 279,131 | Shares | 2026-08-14 | |
| Mid Vivo Capital, LLC Registered adviser | $90,766,925 | 0.78% | 271,116 | Shares | 2026-08-14 | |
| Mid Logos Global Management LP Registered adviser | $87,045,400 | 0.75% | 260,000 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $80,646,556 | 0.69% | 240,887 | Shares | 2026-08-13 | |
| Mega AMERICAN CENTURY COMPANIES INC | $79,450,688 | 0.68% | 237,315 | Shares | 2026-08-12 | |
| Mid ORBIMED ADVISORS LLC Registered adviser | $77,035,179 | 0.66% | 230,100 | Shares | 2026-08-14 | |
| Large Caption Management, LLC Registered adviser | $75,260,792 | 0.65% | 224,800 | Put | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $73,656,478 | 0.63% | 220,008 | Shares | 2026-08-14 | |
| Large WESTFIELD CAPITAL MANAGEMENT CO LP Registered adviser | $73,284,861 | 0.63% | 218,898 | Shares | 2026-08-12 | |
| Large Verition Fund Management LLC Registered adviser | $67,326,269 | 0.58% | 201,100 | Put | 2026-08-14 | |
| Large Woodline Partners LP Registered adviser | $66,962,352 | 0.58% | 200,013 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $63,077,449 | 0.54% | 188,409 | Shares | 2026-08-13 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $62,994,421 | 0.54% | 188,161 | Shares | 2026-08-13 | |
| Mid Affinity Asset Advisors, LLC Registered adviser | $61,936,150 | 0.53% | 185,000 | Shares | 2026-08-13 | |
| Mid Soleus Capital Management, L.P. | $59,430,916 | 0.51% | 177,517 | Shares | 2026-08-11 | |
| Large Aberdeen Group plc Holding company | $55,708,721 | 0.48% | 166,399 | Shares | 2026-07-31 | |
| Mega T. Rowe Price Investment Management, Inc. Adviser | $53,726,094 | 0.46% | 160,477 | Shares | 2026-08-14 | |
| Mega Qube Research & Technologies Ltd Exempt adviser | $51,047,105 | 0.44% | 152,475 | Shares | 2026-08-14 | |
| Large MARSHALL WACE, LLP Exempt adviser | $45,868,908 | 0.39% | 137,008 | Shares | 2026-08-13 | |
| Mega UBS Group AG Bank | $43,872,888 | 0.38% | 131,046 | Shares | 2026-08-13 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP Holding company | $42,139,010 | 0.36% | 125,867 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $41,882,229 | 0.36% | 125,100 | Put | 2026-08-14 | |
| Mega VOYA INVESTMENT MANAGEMENT LLC Registered adviser | $40,920,376 | 0.35% | 122,227 | Shares | 2026-08-12 | |
| Mid 683 Capital Management, LLC Registered adviser | $36,960,816 | 0.32% | 110,400 | Put | 2026-08-14 | |
| Mega Nuveen, LLC | $36,168,032 | 0.31% | 108,032 | Shares | 2026-08-11 | |
| Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Registered adviser | $35,959,458 | 0.31% | 107,409 | Shares | 2026-08-03 | |
| Mid Nantahala Capital Management, LLC Registered adviser | $33,479,000 | 0.29% | 100,000 | Put | 2026-08-19 | |
| Large MetLife Investment Management, LLC Registered adviser | $30,312,890 | 0.26% | 90,543 | Shares | 2026-08-14 | |
| Mega NEUBERGER BERMAN GROUP LLC Holding company | $29,952,991 | 0.26% | 89,468 | Shares | 2026-08-13 | |
| Small Velan Capital Investment Management LP Registered adviser | $29,722,990 | 0.26% | 88,781 | Shares | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $28,583,026 | 0.25% | 85,376 | Shares | 2026-08-06 | |
| Small First Turn Management, LLC Registered adviser | $27,964,339 | 0.24% | 83,528 | Shares | 2026-08-14 | |
| Small ACUTA CAPITAL PARTNERS, LLC Adviser | $27,719,272 | 0.24% | 82,796 | Shares | 2026-08-14 | |
| Large Alyeska Investment Group, L.P. Registered adviser | $27,066,432 | 0.23% | 80,846 | Shares | 2026-08-14 | |
| Mid ADAR1 Capital Management, LLC Registered adviser | $24,859,161 | 0.21% | 74,253 | Shares | 2026-08-14 | |
| Large FRONTIER CAPITAL MANAGEMENT CO LLC Registered adviser | $24,843,761 | 0.21% | 74,207 | Shares | 2026-08-14 | |
| Large Ensign Peak Advisors, Inc | $24,423,600 | 0.21% | 72,952 | Shares | 2026-08-14 | |
| Small Ikarian Capital, LLC Registered adviser | $24,386,773 | 0.21% | 72,842 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $23,943,511 | 0.21% | 71,518 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $23,334,863 | 0.20% | 69,700 | Call | 2026-08-14 | |
| Micro 72 Investment Holdings, LLC | $22,073,709 | 0.19% | 65,933 | Shares | 2026-08-14 | |
| Small SILVERARC CAPITAL MANAGEMENT, LLC Registered adviser | $21,988,672 | 0.19% | 65,679 | Shares | 2026-08-13 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $21,525,322 | 0.19% | 64,295 | Shares | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Non-US | $21,514,608 | 0.18% | 64,263 | Shares | 2026-08-07 | |
| Mega RAYMOND JAMES FINANCIAL INC | $20,750,281 | 0.18% | 61,980 | Shares | 2026-08-14 | |
| Large Candriam S.C.A. Registered adviser | $20,373,980 | 0.18% | 60,856 | Shares | 2026-08-13 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $19,567,133 | 0.17% | 58,446 | Shares | 2026-08-14 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Non-US | $19,029,463 | 0.16% | 56,840 | Shares | 2026-08-13 | |
| Mega Russell Investments Group, Ltd. | $17,085,336 | 0.15% | 51,033 | Shares | 2026-08-06 | |
| Large Universal- Beteiligungs- und Servicegesellschaft mbH | $16,109,425 | 0.14% | 48,118 | Shares | 2026-08-06 | |
| Mid Boxer Capital Management, LLC Registered adviser | $15,553,339 | 0.13% | 46,457 | Shares | 2026-08-14 | |
| Mega Swiss National Bank | $15,433,819 | 0.13% | 46,100 | Shares | 2026-08-11 | |
| Mid ArrowMark Colorado Holdings LLC Registered adviser | $15,410,383 | 0.13% | 46,030 | Shares | 2026-08-13 | |
| Mega California Public Employees Retirement System | $15,189,422 | 0.13% | 45,370 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $14,759,214 | 0.13% | 44,085 | Shares | 2026-08-12 | |
| Mega JANE STREET GROUP, LLC | $14,630,323 | 0.13% | 43,700 | Put | 2026-08-14 | |
| Small KVP Capital Advisors, LP Registered adviser | $14,362,491 | 0.12% | 42,900 | Shares | 2026-08-13 | |
| Large SEB Asset Management AB | $14,297,206 | 0.12% | 42,705 | Shares | 2026-08-04 | |
| Large Squarepoint Ops LLC Registered adviser | $14,228,909 | 0.12% | 42,501 | Shares | 2026-08-14 | |
| Mega SEI INVESTMENTS CO | $13,430,769 | 0.12% | 40,117 | Shares | 2026-08-14 | |
| Mid Integral Health Asset Management, LLC Registered adviser | $13,391,600 | 0.12% | 40,000 | Shares | 2026-08-14 | |
| Mid EVENTIDE ASSET MANAGEMENT, LLC Registered adviser | $12,951,016 | 0.11% | 38,684 | Shares | 2026-08-14 | |
| Mid PFM Health Sciences, LP Registered adviser | $12,914,524 | 0.11% | 38,575 | Shares | 2026-08-14 | |
| Small STEMPOINT CAPITAL LP Registered adviser | $12,468,583 | 0.11% | 37,243 | Shares | 2026-08-14 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Registered adviser | $12,115,042 | 0.10% | 36,187 | Shares | 2026-08-13 | |
| Mid Burkehill Global Management, LP Registered adviser | $11,717,650 | 0.10% | 35,000 | Shares | 2026-08-14 | |
| Small University of Wisconsin Foundation | $11,627,256 | 0.10% | 34,730 | Shares | 2026-08-14 | |
| Small B Group, Inc. | $11,127,415 | 0.10% | 33,237 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $10,829,452 | 0.09% | 32,347 | Shares | 2026-08-12 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $10,570,659 | 0.09% | 31,574 | Shares | 2026-08-11 | |
| Small HighVista Strategies LLC Registered adviser | $10,114,005 | 0.09% | 30,210 | Shares | 2026-08-14 | |
| Large LORD, ABBETT & CO. LLC Registered adviser | $9,930,540 | 0.09% | 29,662 | Shares | 2026-08-14 | |
| Mega Clearbridge Investments, LLC Registered adviser | $9,367,758 | 0.08% | 27,981 | Shares | 2026-08-13 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $9,336,955 | 0.08% | 27,889 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $9,139,767 | 0.08% | 27,300 | Call | 2026-08-14 | |
| Small Exome Asset Management LLC Registered adviser | $9,107,961 | 0.08% | 27,205 | Shares | 2026-08-14 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $9,101,265 | 0.08% | 27,185 | Shares | 2026-08-14 |
Showing the top 100 of 334 holders. Create a free account to see every holder, past quarters, search, filters and CSV export.