SUPN · Supernus Pharmaceuticals, Inc. · Shareholders & Ownership
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 positionsNo 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 | As of | Notes |
|---|---|---|---|---|
| 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 |
|
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 |
|
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 |
|
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.
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