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SUPN · Supernus Pharmaceuticals, Inc. · Shareholders & Ownership

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$41.23 +1.39 (+3.49%) At close · Oct 20
Market Cap
$2.40B
Shares
58.13M
Volume · Oct 20 1.24M Avg daily vol (3M) 808.16K

Every disclosed holder of SUPN in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns SUPN

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 60,100,149 103.39%
Insiders (Forms 3, 4, 5) 2,516,594 4.33%
13D/G-only blocks 0 0.00%
Remaining 4,489,730 -7.72%
Registered funds (N-PORT, not summed) 25,989,429 44.71%

Shares outstanding: 58,127,013, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of SUPN

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
9,350,046
1.1
iShares Core S&P Small-Cap ETF
Fund S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
3,497,167
1.2
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,459,998
1.3
iShares Russell 2000 Value ETF
Fund S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
482,594
1.4
iShares S&P Small-Cap 600 Growth ETF
Fund S000004314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
359,445
1.5
iShares S&P Small-Cap 600 Value ETF
Fund S000004316 · Registered fund · Jun 30, 2026
iShares Trust, not summed
155,599
2
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,853,212
2.1
MILLENNIUM MANAGEMENT LLC
13G CIK 1273087 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(c), passive investor, not summed
3,853,212
3
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,305,429
4
ARMISTICE CAPITAL, LLC
13F CIK 1601086 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,646,201
5
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,516,721
6
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,459,828
6.1
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
533,950
6.2
State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF
Fund S000006990 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
222,492
6.3
State Street(R) SPDR(R) S&P(R) Pharmaceuticals ETF
Fund S000012321 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
144,999
6.4
State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF
Fund S000006974 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
95,512
6.5
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
19,600
7
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
13F CIK 921739 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,378,329
7.1
Nomura Small Cap Core Fund
Fund S000002400 · Registered fund · May 29, 2026
Delaware Group Equity Funds V, not summed
1,428,904
8
Khattar Jack A.
Insider CIK 1539937 · Aug 12, 2026
Director, issuer-wide
2,216,451
9
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,078,090
9.1
U.S. Targeted Value Portfolio
Fund S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
378,733
9.2
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
257,781
9.3
Dimensional U.S. Targeted Value ETF
Fund S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
223,923
9.4
U.S. MICRO CAP PORTFOLIO
Fund S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
210,569
9.5
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
200,892
10
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,750,148
11
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,570,088
12
Stephens Investment Management Group LLC
13F CIK 1314440 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,485,821
13
RENAISSANCE TECHNOLOGIES LLC
13F CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,478,180
14
LOOMIS SAYLES & CO L P
13F CIK 312348 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,475,192
14.1
Loomis Sayles Small Cap Growth Fund
Fund S000006705 · Registered fund · Jun 30, 2026
LOOMIS SAYLES FUNDS II, not summed
497,170
14.2
Loomis Sayles Small Cap Value Fund
Fund S000006647 · Registered fund · Jun 30, 2026
LOOMIS SAYLES FUNDS I, not summed
64,944
15
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,373,982
16
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,263,284
17
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,184,378
18
GW&K Investment Management, LLC
13F CIK 1082917 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,037,242
19
Sofinnova Investments, Inc.
13F CIK 1631134 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,036,328
20
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
922,166
21
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
876,841
21.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
111
22
VANGUARD EXPLORER FUND
Fund S000002578 · Registered fund · Jul 31, 2026
VANGUARD EXPLORER FUND, not summed
870,341
23
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
819,432
23.1
Goldman Sachs Small Cap Value Insights Fund
Fund S000014929 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
121,929
23.2
Goldman Sachs Small Cap Value Fund
Fund S000009323 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
47,300
23.3
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
42,019
23.4
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
40,597
23.5
Goldman Sachs Small Cap Equity ETF
Fund S000081978 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
32,167
24
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
801,027
25
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
767,668
26
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
733,374
26.1
Small Cap Value Fund
Fund S000001246 · Registered fund · Jun 30, 2026
Northern Funds, not summed
45,025
26.2
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
28,366
26.3
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
6,642
26.4
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
3,888
27
Woodline Partners LP
13F CIK 1784547 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
708,276
28
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
703,552
28.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
274,484
28.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
136,410
28.3
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
101,664
28.4
Schwab Small-Cap Equity Fund
Fund S000005516 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
45,061
28.5
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
34,337
29
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
666,411
30
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
621,102
31
ASHFORD CAPITAL MANAGEMENT INC
13F CIK 897070 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
613,783
32
Soleus Capital Management, L.P.
13F CIK 1802630 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
520,000
33
RICE HALL JAMES & ASSOCIATES, LLC
13F CIK 1230765 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
490,221
34
SYSTEMATIC FINANCIAL MANAGEMENT LP
13F CIK 1085936 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
474,131
35
Aberdeen Group plc
13F CIK 1716774 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
453,206
35.1
abrdn U.S. Small Cap Equity Fund
Fund S000020297 · Registered fund · Jul 31, 2026
abrdn Funds, not summed
208,576
35.2
abrdn Focused U.S. Small Cap Active ETF
Fund S000088604 · Registered fund · Jul 31, 2026
abrdn Funds, not summed
5,061
36
Pictet Asset Management Holding SA
13F CIK 1993888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
432,478
37
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
395,101
37.1
Invesco Pharmaceuticals ETF
Fund S000003031 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
258,498
37.2
Invesco RAFI US 1500 Small-Mid ETF
Fund S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
66,953
37.3
Invesco S&P SmallCap Health Care ETF
Fund S000028299 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
40,164
37.4
Invesco S&P SmallCap 600 Revenue ETF
Fund S000064596 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
15,029
37.5
Invesco Russell 2000 Dynamic Multifactor ETF
Fund S000064608 · Registered fund · May 31, 2026
Invesco Exchange-Traded Self-Indexed Fund Trust, not summed
11,921
38
VICTORY CAPITAL MANAGEMENT INC
13F CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
391,075
38.1
Victory Integrity Small-Cap Value Fund
Fund S000046393 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
147,035
38.2
Victory Small Cap Stock Fund
Fund S000012914 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
23,283
38.3
Victory Extended Market Index Fund
Fund S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
6,298
39
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
384,828
40
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
377,402
40.1
BNY Mellon US Small Cap Core Equity ETF
Fund S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
2,024
41
VANGUARD TAX-MANAGED SMALL-CAP FUND
Fund S000004387 · Registered fund · Jun 30, 2026
VANGUARD TAX-MANAGED FUNDS, not summed
375,471
42
SCHRODER INVESTMENT MANAGEMENT GROUP
13F CIK 1086619 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
368,017
43
PRINCIPAL FINANCIAL GROUP INC
13F CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
348,461
43.1
Principal U.S. Small-Cap ETF
Fund S000055159 · Registered fund · Jun 30, 2026
Principal Exchange-Traded Funds, not summed
67,051
43.2
SmallCap S&P 600 Index Fund
Fund S000007203 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
42,762
43.3
SmallCap Value Fund II
Fund S000007169 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
3,428
43.4
SmallCap Growth Fund I
Fund S000007175 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
383
44
Freestone Grove Partners LP
13F CIK 2007591 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
316,398
45
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
309,091
45.1
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
613,480
45.2
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
296,724
45.3
Fidelity Enhanced Small Cap Core ETF
Fund S000081807 · Registered fund · Jun 30, 2026
Fidelity Covington Trust, not summed
281,390
45.4
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
107,891
45.5
Fidelity Series Total Market Index Fund
Fund S000065248 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
88,125
46
VANGUARD RUSSELL 2000 INDEX FUND
Fund S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
283,803
47
Krensavage Asset Management, LLC
13F CIK 1609251 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
280,681
48
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
272,329
49
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
262,675
49.1
Nuveen Quant Small Cap Equity Fund
Fund S000005386 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
140,220
49.2
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
74,490
49.3
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
35,378
49.4
Nuveen Life Small Cap Equity Fund
Fund S000005093 · Registered fund · Jun 30, 2026
TIAA-CREF Life Funds, not summed
2,914
49.5
TIAA Separate Account VA-1 - Stock Index Account
Fund S000005098 · Registered fund · Jun 30, 2026
TIAA Separate Account VA-1, not summed
796
50
Bridge Builder Small/Mid Cap Growth Fund
Fund S000048336 · Registered fund · Jun 30, 2026
Bridge Builder Trust, not summed
239,396

66 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 499 holders

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Key facts CIK 1356576 CUSIP 868459108 13F (30d) 37 filings 36 filers Visit website Investor relations