SUPN · NASDAQ · Drug Manufacturers - Specialty & Generic

Supernus Pharmaceuticals (SUPN)

Develops CNS medicines spanning ADHD, Parkinson’s disease, postpartum depression, and epilepsy.

$43.65
vs last close+0.87 (+2.03%)

13F · 13D/G · Form 4

Institutions104.93%60.99M shares
340 holders · as of Jun 30, 2026
Insiders6.48%3.77M shares
9 holders · as of Aug 14, 2026
Adds to111.41%

58.13M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

These groups come from separate filings that can overlap, so they add to 111.41%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
16.09%9.35Mas of Jun 30, 2026
Millennium Management LLCInstitution
6.63%3.85Mas of Jun 30, 2026
Jack A. Khattar1Insiderdirector, officer: President, CEO
5.97%2.75Mfiled Aug 14, 2026
Vanguard Portfolio Management LLCInstitution
5.69%3.31Mas of Jun 30, 2026
Armistice Capital, LLCInstitution
4.55%2.65Mas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
4.33%2.52Mas of Jun 30, 2026
State Street CorpInstitution
4.23%2.46Mas of Jun 30, 2026
Macquarie Management Holdings, Inc.Institution
4.09%2.38Mas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
3.58%2.08Mas of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.70%1.57Mas of Jun 30, 2026
Stephens Investment Management Group LLCInstitution
2.56%1.49Mas of Jun 30, 2026
Renaissance Technologies LLCInstitution
2.54%1.48Mas of Jun 30, 2026
Loomis Sayles & Co L PInstitution
2.54%1.48Mas of Jun 30, 2026
Citadel Advisors LLCInstitution
2.36%1.37Mas of Jun 30, 2026
Two Sigma Investments, LPInstitution
2.04%1.18Mas of Jun 30, 2026
GW&K Investment Management, LLCInstitution
1.78%1.04Mas of Jun 30, 2026
Sofinnova Investments, Inc.Institution
1.78%1.04Mas of Jun 30, 2026
Qube Research & Technologies LtdInstitution
1.59%922,166as of Jun 30, 2026
Morgan StanleyInstitution
1.51%876,841as of Jun 30, 2026
Goldman Sachs Group IncInstitution
1.41%819,432as of Jun 30, 2026
D. E. Shaw & Co., Inc.Institution
1.32%767,668as of Jun 30, 2026
Northern Trust CorpInstitution
1.26%733,374as of Jun 30, 2026
Woodline Partners LPInstitution
1.22%708,276as of Jun 30, 2026
Charles Schwab Investment Management IncInstitution
1.21%703,552as of Jun 30, 2026
Sixth Street Partners Management Company, L.P.Institution
1.21%703,552as of Jun 30, 2026
  1. Jack A. Khattar's transaction reports restate only vehicles that traded; the 2019 ownership statement (2.75M) plus the 720.4K net shares acquired since is used instead.

13F, as of Jun 30, 2026

340 holders · 60.99M shares · 47 new positions · 168 increased · 113 reduced · 40 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.9.35M16.09%+552.8KAug 7, 2026
Millennium Management LLC3.85M6.63%+537.2KAug 14, 2026
Vanguard Portfolio Management LLC3.31M5.69%+66.7KAug 13, 2026
Armistice Capital, LLC2.65M4.55%+750.9KAug 14, 2026
Vanguard Capital Management LLC2.52M4.33%+49.5KAug 13, 2026
State Street Corp2.46M4.23%+171.7KAug 7, 2026
Macquarie Management Holdings, Inc.2.38M4.09%+341.1KAug 14, 2026
Dimensional Fund Advisors LP2.08M3.58%−228.9KAug 11, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
BlackRock, Inc.14.70%8.20M13GApr 22, 2025
Armistice Capital, LLC8.58%4.81M13GAug 15, 2025
Vanguard Portfolio Management5.66%3.26M13GApr 29, 2026
Millennium Management LLC5.30%3.04M13GFeb 2, 2026
Vanguard Capital Management5.03%2.90M13GApr 30, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Mar 17, 2026
Padmanabh P. Bhattofficer: Sr. VP of IP, CSO
Sale · 2 lots50,000$50.3017,044
Mar 18, 2026
Padmanabh P. Bhattofficer: Sr. VP of IP, CSO
Sale · 2 lots7,250$49.6017,044
Mar 16, 2026
Padmanabh P. Bhattofficer: Sr. VP of IP, CSO
Sale · 2 lots50,000$50.2817,044
Mar 12, 2026
Frederick M. Hudsondirector
Sale5,369$50.6160,413
Mar 13, 2026
Jack A. Khattardirector, officer: President, CEO
Sale · 3 lots35,000$50.37958,100
Mar 10, 2026
William Todd Horichofficer: SVP, Commercial Operations
Sale4,439$55.000
Mar 9, 2026
William Todd Horichofficer: SVP, Commercial Operations
Sale4,438$54.004,439
Mar 9, 2026
Frank Mottolaofficer: SVP, Chief Tech. Ops. Officer
Sale1,623$53.6518,440
Mar 6, 2026
Georges Gemayeldirector
Sale8,787$53.0027,277
Mar 5, 2026
Georges Gemayeldirector
Sale10,000$53.7128,159

House and Senate disclosures

Not reported.