$SUPN

$40.96 +$0.19 (0.47%) Close

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

Ownership

13F as of Q2 2026 · 58.1M shares outstanding

Who owns SUPN?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 71.5%

Newhall Charles W III 18.5% · BlackRock, Inc. 16.1%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

332

+4 vs last qtr

Net shares bought

+1.9M

by institutions in Q2 2026

New / sold out

46 / 42

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Two Sigma Investments, LP +913.2K
Armistice Capital, LLC +750.9K

Biggest sellers in Q2 2026

Point72 Asset Management, L.P. SOLD OUT −1.3M
Assenagon Asset Management S.A. −457.4K

Who is planning to sell?

Notices of proposed sale, last 12 months

$10.2M

11 notices from 7 people

Shares covered

201.4K

0.35% of the company

Arranged in advance

82%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Padmanabh P Bhatt Officer 10b5-1 $5.37M
The KBT Trust U/a DTD 12/30/2010 Director 10b5-1 $1.77M

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, FY2016–FY2025

+9.2%

+0.98% a year

Each share's claim on the business

−8.4%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $180M

over 10 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+ years69% 3–5 years11% 1–3 years8% Under 1 year11%

Quarterly turnover

11.3%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting SUPN on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	9.4M	16.09%	+552.8K (+6.3%)	≤2021	0.0%
Shares held by quarter Peak holding10.1M (Q3'24) Change over 8 quarters−716.9K Share of the company16.090% BlackRock, Inc.'s full portfolio →
MM Millennium Management LLC	3.9M	6.63%	+537.2K (+16.2%)	2022	0.1%
Shares held by quarter Peak holding3.9M (Q2'26) Change over 8 quarters+3.6M Share of the company6.630% Millennium Management LLC's full portfolio →

BlackRock, Inc.

9.4M

% of company

16.09%

Change vs last qtr

+552.8K (+6.3%)

Held since

≤2021

Millennium Management LLC

3.9M

% of company

6.63%

Change vs last qtr

+537.2K (+16.2%)

Held since

2022

28 more super investors behind a free account

See every manager holding Supernus Pharmaceuticals, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting SUPN on Form N-PORT; together they hold 44.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$163M	3.5M	6.02%	0.15%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$81.4M	1.8M	3.01%	0.00%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$163M

% of company

6.02%

% of the fund

0.15%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$81.4M

% of company

3.01%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Supernus Pharmaceuticals, 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
NC Newhall Charles W III Insider	10.8M	18.52%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company18.520% Newhall Charles W III's insider activity →
KJ Khattar Jack A. Insider	2.2M	3.83%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company3.830% Khattar Jack A.'s insider activity →

Newhall Charles W III

Insider

10.8M

% of company

18.52%

Change vs last qtr

—

Held since

—

Khattar Jack A.

Insider

2.2M

% of company

3.83%

Change vs last qtr

—

Held since

—

7 more holders behind a free account

See every insider and 5%+ holder of Supernus Pharmaceuticals, Inc..

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