Stock Ownership/SUPN

SUPERNUS PHARMACEUTICALS (SUPN): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in SUPN · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
22
13F filers
Aggregate Value
$505.9M
Across holders
Last Price
$45.11
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity16 increased6 reduced4 exited
Full exits: FARALLON CAPITAL MANAGEMENT LLC, Point72 Asset Management, L.P., Hudson Bay Capital Management LP, Walleye Capital LLC
Institutional Holders of SUPN
↗
22 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund3.85M$179.2M35.4%0.1%Added+$25.0MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund1.48M$68.8M13.6%0.1%Reduced$-10.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.37M$63.9M12.6%0.0%Reduced+$60.7MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.18M$55.1M10.9%0.0%Added+$42.5MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund922K$42.9M8.5%0.0%Added+$19.7MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund768K$35.7M7.1%0.0%Added$-21.7MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund708K$32.9M6.5%0.1%Added+$12.1MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund156K$7.3M1.4%0.0%Added+$7.3MQ2 2026
AXIOM INVESTORS LLC /DE
CIK 0001109147
Hedge Fund94K$4.4M0.9%0.0%Reduced$-3.2MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund89K$4.1M0.8%0.0%Reduced+$4.1MQ2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$179.2M· 35.4% of total· 0.1% port· 3.85M sh· +$25.0M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$68.8M· 13.6% of total· 0.1% port· 1.48M sh· $-10.6M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$63.9M· 12.6% of total· 0.0% port· 1.37M sh· +$60.7M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$55.1M· 10.9% of total· 0.0% port· 1.18M sh· +$42.5M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$42.9M· 8.5% of total· 0.0% port· 922K sh· +$19.7M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$35.7M· 7.1% of total· 0.0% port· 768K sh· $-21.7M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$32.9M· 6.5% of total· 0.1% port· 708K sh· +$12.1M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$7.3M· 1.4% of total· 0.0% port· 156K sh· +$7.3M QoQ· Q2 2026
AXIOM INVESTORS LLC /DEReduced
Hedge Fund
$4.4M· 0.9% of total· 0.0% port· 94K sh· $-3.2M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$4.1M· 0.8% of total· 0.0% port· 89K sh· +$4.1M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$4.0M· 0.8% of total· 0.0% port· 86K sh· +$3.7M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$3.3M· 0.7% of total· 0.0% port· 71K sh· +$3.0M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$1.2M· 0.2% of total· 0.0% port· 25K sh· — QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$939K· 0.2% of total· 0.0% port· 20K sh· $-248K QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$694K· 0.1% of total· 0.0% port· 15K sh· +$150K QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$465K· 0.1% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$352K· 0.1% of total· 0.0% port· 8K sh· +$171K QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$345K· 0.1% of total· 0.0% port· 7K sh· — QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$321K· 0.1% of total· 0.0% port· 7K sh· +$65K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$71K· 0.0% of total· 0.0% port· 2K sh· $-120K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$11K· 0.0% of total· 0.0% port· 60K sh· +$2K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$3K· 0.0% of total· 0.0% port· 70 sh· — QoQ· Q2 2026
1–10 of 22
1 / 3
Loading recent insider activity…
← Stock ownership