SUPERNUS PHARMACEUTICALS, INC. - Common Stock (SUPN)

CUSIP: 868459108

Q1 2026 13F Holders as of 31 Mar 2026

Security identity
Security type / class
Equity / Common Stock
Shares outstanding
57,671,650
Holder snapshot
Total 13F shares
58,220,249
Share change
+1,099,153
Total reported value
$3,007,190,873
Put/Call ratio
166%
Reported price per share
$51.69
Number of holders
325
Value change
+$59,260,749
Number of buys
153
Number of sells
156

Security key

868459108

Report period

Q1 2026

Institutions

325

Top holders

10

SUPN full security history Ownership snapshot Full 13F holder table Previous quarter: Q4 2025 SUPERNUS PHARMACEUTICALS, INC. SEC filings SUPERNUS PHARMACEUTICALS, INC. company facts

Broader feeds

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

Ownership snapshot

Top reported holders of SUPN - SUPERNUS PHARMACEUTICALS, INC. - Common Stock (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.

Lead holder
BlackRock, Inc.
13D/G signal
BlackRock, Inc.
Evidence rows
15
Latest as of
31 Mar 2026
13F 13D/G 3/4/5 Lead comparable stake: 15% 13D/G row: BlackRock, Inc. 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%
from 13D/G
$434,172,640
8,735,868 shares
 — 31 Dec 2025
MILLENNIUM MANAGEMENT LLC
13D/G 13F
Company
13D/G 13F
5.7%
$161,652,355
3,281,615 shares
 +$12,092,936 11 Feb 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G
Vanguard Portfolio Management
13D/G
5.7%
$168,680,442
3,263,309 shares
 $0 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC
13D/G
Vanguard Capital Management
13D/G
5%
$149,946,694
2,900,884 shares
 $0 31 Mar 2026
ARMISTICE CAPITAL, LLC
13F 13D/G
Company
13F 13D/G
4.8%
from 13D/G
$137,370,800
2,764,000 shares
 — 31 Dec 2025
DIMENSIONAL FUND ADVISORS LP
13F 13D/G
Company
13F 13D/G
4.7%
from 13D/G
$134,804,044
2,712,341 shares
 — 31 Dec 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 Q1 2026

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

Institutions
325
Shares
58,220,249
Rows available
325
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* 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 failed the local validity check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
332
Q1 2026 holders
325
Holder diff
-7
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 value Q1 2026 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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