SUPERNUS PHARMACEUTICALS, INC. - Common Stock, par value $0.001 per share (SUPN)

Q: What does CUSIP 868459108 represent in this 13F holders report?

CUSIP 868459108 is the security identifier for SUPN - SUPERNUS PHARMACEUTICALS, INC. - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

Q: How many institutions held SUPN - SUPERNUS PHARMACEUTICALS, INC. - Common Stock, par value $0.001 per share in Q4 2025?

333 institutional investors reported SUPN - SUPERNUS PHARMACEUTICALS, INC. - Common Stock, par value $0.001 per share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: 868459108

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Stock, par value $0.001 per share
Total 13F shares: 57,114,700
Total 13F value: $2,839,114,976
Share change: -2,822,467
Put/Call ratio: 85%
SEC-reported price per share: $49.70
Number of holders: 333
Value change: -$131,385,144
Number of buys: 164
Number of sells: 144
Shares outstanding: 58,382,000

Security key

868459108

Report period

Q4 2025

Institutions

333

Top holders

SUPN full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 SUPERNUS PHARMACEUTICALS, INC. SEC filings SUPERNUS PHARMACEUTICALS, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 868459108

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of SUPN - SUPERNUS PHARMACEUTICALS, INC. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

3/15

Latest evidence

31 Dec 2025

13F 13D/G Lead comparable stake: 15% 12 rows are not safely comparable across share classes. 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 15%.

3 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.

Comparable ownership Top 3

BlackRock, Inc. 15%

ARMISTICE CAPITAL, LLC 4.8%

DIMENSIONAL FUND ADVISORS LP 4.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	15% Reported 13D/G · 31 Mar 2025	$415,697,015 8,698,410 shares	—	30 Sep 2025
ARMISTICE CAPITAL, LLC	13D/G 13F Company 13D/G 13F	4.8% Reported 13D/G · 31 Dec 2025	$136,154,640 2,764,000 shares	-$3,546,720	31 Dec 2025
DIMENSIONAL FUND ADVISORS LP	13F 13D/G Company 13F 13D/G	4.7% Reported 13D/G · 31 Dec 2025	$143,461,695 3,001,941 shares	—	30 Sep 2025
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$288,878,603 6,044,750 shares	—	30 Sep 2025
MACQUARIE GROUP LTD	13F Company 13F	— denominator unverified	$120,982,000 2,531,537 shares	—	30 Sep 2025
STATE STREET CORP	13F Company 13F	— denominator unverified	$104,543,492 2,187,560 shares	—	30 Sep 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

333

57,114,700

Rows available

333

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

306

Q4 2025 holders

333

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend