PRAX · Praxis Precision Medicines, Inc. · Shareholders & Ownership
Every disclosed holder of PRAX in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns PRAX
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 33,733,544 | 120.82% |
| Insiders (Forms 3, 4, 5) | 189,511 | 0.68% |
| 13D/G-only blocks | 6,477,226 | 23.20% |
| Remaining | 12,480,293 | -44.70% |
| Registered funds (N-PORT, not summed) | 11,711,158 | 41.95% |
Shares outstanding: 27,919,988, the issuer's latest cover-page count restated onto today's split basis.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of PRAX
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
Jupiter Topco LLC
13F
CIK 2146052 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,421,374 | ||
| 1.1 |
Janus Henderson VIT Enterprise Portfolio
Fund
S000010396 · Registered fund · Jun 30, 2026
Janus Aspen Series, not summed
|
28,271 | ||
| 1.2 |
Janus Henderson Small Cap Value Fund
Fund
S000010480 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
|
25,627 | ||
| 1.3 |
Janus Henderson Small Cap Growth Alpha ETF
Fund
S000052563 · Registered fund · Jul 31, 2026
Janus Detroit Street Trust, not summed
|
7,368 | ||
| 2 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,316,907 | ||
| 2.1 |
Select Biotechnology Portfolio
Fund
S000007486 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
|
371,429 | ||
| 2.2 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
274,766 | ||
| 2.3 |
Fidelity Small Cap Growth Fund
Fund
S000007193 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
|
186,930 | ||
| 2.4 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
132,705 | ||
| 2.5 |
Fidelity Stock Selector Small Cap Fund
Fund
S000005453 · Registered fund · Jul 31, 2026
Fidelity Capital Trust, not summed
|
116,900 | ||
| 3 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,292,585 | ||
| 3.1 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
653,110 | ||
| 3.2 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
233,232 | ||
| 3.3 |
iShares Biotechnology ETF
Fund
S000004350 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
185,012 | ||
| 3.4 |
Master Small Cap Index Series
Fund
S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
|
46,875 | ||
| 3.5 |
BlackRock Advantage Small Cap Core Fund
Fund
S000039982 · Registered fund · May 29, 2026
BlackRock Funds, not summed
|
37,121 | ||
| 4 |
PERCEPTIVE ADVISORS LLC
13F
CIK 1224962 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,035,986 | ||
| 5 |
BAKER BROS. ADVISORS LP
13F
CIK 1263508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,753,198 | ||
| 6 |
Point72 Asset Management, L.P.
13G
CIK 1603466 · Registered investment adviser · Dec 31, 2025
Rule 13d-1(c), passive investor
|
1,569,309 | ||
| 7 |
Orbis Allan Gray Ltd
13F
CIK 1663865 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,529,788 | ||
| 7.1 |
Orbis Investment Management Limited
13G
CIK 940594 · Exempt reporting adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
1,526,680 | ||
| 8 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,335,185 | ||
| 9 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,235,299 | ||
| 10 |
|
1,026,443 | ||
| 10.1 |
State Street(R) SPDR(R) S&P(R) Biotech ETF
Fund
S000010018 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
413,737 | ||
| 10.2 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
8,900 | ||
| 10.3 |
State Street Institutional Small-Cap Equity Fund
Fund
S000001631 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL FUNDS, not summed
|
800 | ||
| 10.4 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
620 | ||
| 10.5 |
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund
S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
556 | ||
| 11 |
Venrock Healthcare Capital Partners III, L.P.
13G
CIK 1738048 · Unknown · Mar 31, 2025
Rule 13d-1(c), passive investor
|
1,016,497 | ||
| 12 |
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F
CIK 1165408 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,015,480 | ||
| 12.1 |
Adage Capital Management, L.P.
Insider
CIK 1535978 · Oct 16, 2025
10% Owner, issuer-wide, not summed
|
4,421,660 | ||
| 13 |
Soleus Capital Master Fund, L.P.
13G
CIK 1812275 · Unknown · Jun 30, 2025
Rule 13d-1(c), passive investor
|
966,740 | ||
| 14 |
DEERFIELD MANAGEMENT COMPANY, L.P.
13F
CIK 1009258 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
963,351 | ||
| 15 |
Driehaus Capital Management LLC
13F
CIK 938206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
959,048 | ||
| 15.1 |
Driehaus Small Cap Growth Fund
Fund
S000058261 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
|
84,374 | ||
| 15.2 |
Driehaus Micro Cap Growth Fund
Fund
S000042829 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
|
36,700 | ||
| 15.3 |
Driehaus Small/Mid Cap Growth Fund
Fund
S000068519 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
|
6,273 | ||
| 16 |
PRICE T ROWE ASSOCIATES INC /MD/
13F
CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
942,999 | ||
| 16.1 |
T. Rowe Price New Horizons Fund, Inc.
Fund
S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
|
236,569 | ||
| 16.2 |
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund
S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
|
182,516 | ||
| 16.3 |
T. Rowe Price Health Sciences Fund, Inc.
Fund
S000002088 · Registered fund · Jun 30, 2026
T. ROWE PRICE HEALTH SCIENCES FUND, INC., not summed
|
133,320 | ||
| 16.4 |
T. Rowe Price Small-Cap Stock Fund, Inc.
Fund
S000002120 · Registered fund · Jun 30, 2026
T. ROWE PRICE SMALL-CAP STOCK FUND, INC., not summed
|
71,486 | ||
| 16.5 |
T. Rowe Price Institutional Small-Cap Stock Fund
Fund
S000002094 · Registered fund · Jun 30, 2026
T. Rowe Price Equity Funds, Inc., not summed
|
38,505 | ||
| 17 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
885,411 | ||
| 18 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
854,112 | ||
| 18.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
41 | ||
| 19 |
Capital Research Global Investors
13G
CIK 1422848 · Investment adviser · Mar 31, 2025
Rule 13d-1(b), qualified institution
|
853,746 | ||
| 20 |
RA CAPITAL MANAGEMENT, L.P.
13G
CIK 1346824 · Registered investment adviser · Sep 30, 2024
Rule 13d-1(c), passive investor
|
761,955 | ||
| 21 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
748,039 | ||
| 22 |
Cormorant Asset Management, LP
13F
CIK 1583977 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
640,000 | ||
| 23 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
639,578 | ||
| 24 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
548,830 | ||
| 24.1 |
Goldman Sachs Small/Mid Cap Growth Fund
Fund
S000009322 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
|
25,419 | ||
| 24.2 |
Goldman Sachs Small Cap Value Fund
Fund
S000009323 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
|
10,941 | ||
| 24.3 |
Goldman Sachs Small Cap Equity Insights Fund
Fund
S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
9,217 | ||
| 24.4 |
Goldman Sachs Small Cap Growth Insights Fund
Fund
S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
6,265 | ||
| 24.5 |
Goldman Sachs Small Cap Value Insights Fund
Fund
S000014929 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
2,456 | ||
| 25 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
546,930 | ||
| 26 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
537,548 | ||
| 26.1 |
Invesco Small Cap Growth Fund
Fund
S000000476 · Registered fund · Jun 30, 2026
AIM Growth Series (Invesco Growth Series), not summed
|
56,898 | ||
| 26.2 |
Invesco Main Street Small Cap Fund
Fund
S000064650 · Registered fund · Jun 30, 2026
AIM Growth Series (Invesco Growth Series), not summed
|
51,380 | ||
| 26.3 |
Invesco Main Street Mid Cap Fund
Fund
S000064651 · Registered fund · Jun 30, 2026
AIM Growth Series (Invesco Growth Series), not summed
|
39,718 | ||
| 26.4 |
Invesco V.I. Main Street Small Cap Fund
Fund
S000064664 · Registered fund · Jun 30, 2026
AIM Variable Insurance Funds (Invesco Variable Insurance Funds), not summed
|
28,178 | ||
| 26.5 |
Invesco Health Care Fund
Fund
S000000235 · Registered fund · Jul 31, 2026
AIM Investment Funds (Invesco Investment Funds), not summed
|
16,575 | ||
| 27 |
Hood River Capital Management LLC
13F
CIK 1578177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
425,167 | ||
| 27.1 |
Hood River Small-Cap Growth Fund
Fund
S000012813 · Registered fund · Jun 30, 2026
Manager Directed Portfolios, not summed
|
176,763 | ||
| 27.2 |
Hood River New Opportunities Fund
Fund
S000086255 · Registered fund · Jun 30, 2026
Manager Directed Portfolios, not summed
|
35,161 | ||
| 28 |
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund
S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
405,016 | ||
| 29 |
Janus Henderson Global Life Sciences Fund
Fund
S000010494 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
|
379,352 | ||
| 30 |
Janus Henderson Enterprise Fund
Fund
S000010490 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
|
358,092 | ||
| 31 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
346,969 | ||
| 32 |
KINGDON CAPITAL MANAGEMENT, L.L.C.
13G
CIK 1000097 · Registered investment adviser · Dec 31, 2023
Rule 13d-1(c), passive investor
|
346,665 | ||
| 33 |
SPHERA FUNDS MANAGEMENT LTD.
13G
CIK 1496201 · Exempt reporting adviser · Dec 31, 2023
Rule 13d-1(c), passive investor
|
328,986 | ||
| 34 |
FRANKLIN RESOURCES INC
13F
CIK 38777 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
327,124 | ||
| 34.1 |
Franklin Biotechnology Discovery Fund
Fund
S000006882 · Registered fund · Jul 31, 2026
Franklin Strategic Series, not summed
|
71,799 | ||
| 34.2 |
Franklin Small Cap Growth Fund
Fund
S000006889 · Registered fund · Jul 31, 2026
Franklin Strategic Series, not summed
|
53,877 | ||
| 34.3 |
Putnam Small Cap Growth Fund
Fund
S000000777 · Registered fund · Jun 30, 2026
Putnam Funds Trust, not summed
|
45,421 | ||
| 34.4 |
Franklin Genomic Advancements ETF
Fund
S000067393 · Registered fund · Jun 30, 2026
Franklin Templeton ETF Trust, not summed
|
718 | ||
| 34.5 |
Putnam VT Small Cap Growth Fund
Fund
S000003883 · Registered fund · Jun 30, 2026
Putnam Variable Trust, not summed
|
695 | ||
| 35 |
Verition Fund Management LLC
13G
CIK 1454027 · Registered investment adviser · Sep 30, 2024
Rule 13d-1(b), qualified institution
|
314,294 | ||
| 36 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
300,868 | ||
| 37 |
Pictet Asset Management Holding SA
13F
CIK 1993888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
291,689 | ||
| 38 |
Polar Capital Holdings Plc
13F
CIK 1837309 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
279,131 | ||
| 39 |
Vivo Capital, LLC
13F
CIK 1674712 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
271,116 | ||
| 40 |
Logos Global Management LP
13F
CIK 1792126 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
260,000 | ||
| 41 |
Tri Locum Partners LP
13G
CIK 1826434 · Registered investment adviser · Dec 31, 2023
Rule 13d-1(c), passive investor
|
248,761 | ||
| 42 |
Janus Henderson Triton Fund
Fund
S000010485 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
|
247,753 | ||
| 43 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
240,887 | ||
| 43.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
12,709 | ||
| 43.2 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
2,590 | ||
| 43.3 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
1,134 | ||
| 44 |
AMERICAN CENTURY COMPANIES INC
13F
CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
237,315 | ||
| 44.1 |
Small Cap Growth Fund
Fund
S000006193 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
|
178,815 | ||
| 44.2 |
Global Small Cap Fund
Fund
S000053103 · Registered fund · May 31, 2026
American Century World Mutual Funds, Inc., not summed
|
738 | ||
| 45 |
ORBIMED ADVISORS LLC
13F
CIK 1055951 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
230,100 | ||
| 46 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
220,008 | ||
| 46.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
123,726 | ||
| 46.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
61,048 | ||
| 46.3 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
15,942 | ||
| 46.4 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
15,412 | ||
| 46.5 |
Schwab Small-Cap Equity Fund
Fund
S000005516 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
2,548 | ||
| 47 |
WESTFIELD CAPITAL MANAGEMENT CO LP
13F
CIK 1177719 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
218,898 | ||
| 48 |
Woodline Partners LP
13F
CIK 1784547 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
200,013 | ||
| 49 |
BNP PARIBAS ARBITRAGE, SA
13F
CIK 1166588 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
188,409 | ||
| 50 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
188,161 |
99 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
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