DOSSIER · 13F Holders · Q1 2026Healthcare · Pharmaceutical PreparationsMega-capCrowded
SUPN

SUPERNUS PHARMACEUTICALS INC

344 institutions still hold SUPERNUS PHARMACEUTICALS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 868459108·Pharmaceutical Preparations·344 13F holders·last filed Mar 31, 2026
Market cap
1.3%
vs prior quarter
13F value held
$2.0B
73.0% inst. owned
of float
Holders
344
-78 QoQ
filers reporting
Activity
+33 / −39
+972 added · −866 reduced
this quarter
Concentration
22.39%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

344 institutions reported SUPN in Q1 2026. BlackRock, Inc. leads at 22.4% of the visible book. -78 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$455M8.8M0.01%Q1 2026
02
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$171M3.3M0.07%Q1 2026
03
Vanguard Portfolio Management
CIK 0002100121
$167M3.2M0.01%Q1 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$128M2.5M0.00%Q1 2026
05
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$119M2.3M0.02%Q1 2026
06
STATE STREET CORP
CIK 0000093751
$118M2.3M0.00%Q1 2026
07
Delaware Management Holdings, Inc.
CIK 0000921739
$105M2.0M0.18%Q1 2026
08
ARMISTICE CAPITAL, LLC
CIK 0001601086
$98M1.9M1.74%Q1 2026
09
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$88M1.7M0.14%Q1 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$84M1.6M0.01%Q1 2026
11
LOOMIS SAYLES & CO L P
CIK 0000312348
$74M1.4M0.10%Q1 2026
12
Stephens Investment Management Group LLC
CIK 0001314440
$70M1.4M0.96%Q1 2026
13
Point72 Asset Management, L.P.
CIK 0001603466
$68M1.3M0.09%Q1 2026
14
Sofinnova Investments, Inc.
CIK 0001631134
$49M954K1.87%Q1 2026
15
MORGAN STANLEY
CIK 0000895421
$47M914K0.00%Q1 2026
16
GOLDMAN SACHS GROUP INC
CIK 0000886982
$44M856K0.01%Q1 2026
17
BANK OF AMERICA CORP /DE/
CIK 0000070858
$37M714K0.00%Q1 2026
18
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$36M706K0.01%Q1 2026
19
NORTHERN TRUST CORP
CIK 0000073124· Index
$36M699K0.00%Q1 2026
20
D. E. Shaw & Co., Inc.
CIK 0001009207
$35M708K0.02%Q4 2025
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