$PRAX

$267.59 +$0.20 (0.07%) Close

$PRAX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 27.9M shares outstanding

Who owns PRAX?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 64.3%

Jupiter Topco LLC 12.3% · Orbis Allan Gray Ltd 5.5%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

306

+16 vs last qtr

Net shares bought

+1.9M

by institutions in Q2 2026

New / sold out

59 / 43

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +3.4M
Vanguard Portfolio Management LLC +578.4K

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −3.5M
Orbis Allan Gray Ltd −942.7K

Who is planning to sell?

Notices of proposed sale, last 12 months

$11.1M

3 notices from 3 people

Shares covered

50.3K

0.18% of the company

Arranged in advance

33%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Nemiroff Alex Officer $4.85M
DeSimone Jill Director 10b5-1 $3.61M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2022–FY2025

+632.3%

+94.19% a year

Each share's claim on the business

−86.3%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $129M

over 4 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years71% Under 1 year29%

Quarterly turnover

22.2%

of institutional shares changed hands

Top 10 managers, median time held

2.5 years

Super Investors

Investment managers reporting PRAX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
JH Janus Henderson Group PLC	—	—	SOLD OUT	—	0.0%
Shares held by quarter Peak holding3.5M (Q1'26) Change over 8 quarters−523.6K Janus Henderson Group PLC's full portfolio →
JT Jupiter Topco LLC	3.4M	12.25%	NEW	Q2 '26	0.5%
Shares held by quarter Peak holding3.4M (Q2'26) Change over 8 quarters+3.4M Share of the company12.250% Jupiter Topco LLC's full portfolio →

Janus Henderson Group PLC

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

Jupiter Topco LLC

3.4M

% of company

12.25%

Change vs last qtr

NEW

Held since

Q2 '26

28 more super investors behind a free account

See every manager holding Praxis Precision Medicines, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting PRAX on Form N-PORT; together they hold 43.7% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$296M	885.4K	3.17%	0.01%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$219M	653.1K	2.34%	0.26%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$296M

% of company

3.17%

% of the fund

0.01%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$219M

% of company

2.34%

% of the fund

0.26%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Praxis Precision Medicines, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
SM Souza Marcio Insider	56.5K	0.20%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.200% Souza Marcio's insider activity →
KT Kelly Timothy Edwin Insider	31.2K	0.11%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.110% Kelly Timothy Edwin's insider activity →

Souza Marcio

Insider

56.5K

% of company

0.20%

Change vs last qtr

—

Held since

—

Kelly Timothy Edwin

Insider

31.2K

% of company

0.11%

Change vs last qtr

—

Held since

—

11 more holders behind a free account

See every insider and 5%+ holder of Praxis Precision Medicines, Inc..

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