Security Snapshot

SUPERNUS PHARMACEUTICALS, INC. - Common Stock (SUPN) Institutional Ownership

CUSIP: 868459108

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

326

Shares (Excl. Options)

58,220,522

Price

$51.69

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+1,099,426
Value change
+$59,274,476
Number of holders
326
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
57,671,650
SEC-reported price per share
$48.21
Insider filing price
$48.21
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • SUPN - SUPERNUS PHARMACEUTICALS, INC. - Common Stock is tracked under CUSIP 868459108.
  • 326 institutions reported positions in Q1 2026.
  • 6 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 332 to 326 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $2,839,113,187 to $3,007,204,873.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 326 institutions filings for Q1 2026.

Open SEC evidence

Security key

868459108

Latest holder period

Q1 2026

13F holders

326

13D/G owners

6

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
6
Security
SUPN
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 15% $266,321,277 8,197,023 BlackRock, Inc. 31 Mar 2025
MILLENNIUM MANAGEMENT LLC 5.7% +8% $161,652,355 +$12,092,936 3,281,615 +8.1% Millennium Management LLC 11 Feb 2026
VANGUARD PORTFOLIO MANAGEMENT LLC 5.7% $168,680,442 3,263,309 Vanguard Portfolio Management 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC 5% $149,946,694 2,900,884 Vanguard Capital Management 31 Mar 2026
ARMISTICE CAPITAL, LLC 4.8% -4.8% $136,154,640 -$3,546,720 2,764,000 -2.5% Armistice Capital, LLC 31 Dec 2025
DIMENSIONAL FUND ADVISORS LP 4.7% $134,803,348 2,712,341 Dimensional Fund Advisors LP 31 Dec 2025

As of 31 Mar 2026, 326 institutional investors reported holding 58,220,522 shares of SUPERNUS PHARMACEUTICALS, INC. - Common Stock (SUPN). This represents 101% of the company’s total 57,671,650 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
76%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 15% 8,797,254 +0.7% 0.01% $454,730,061
MILLENNIUM MANAGEMENT LLC 5.7% 3,315,973 +26% 0.13% $171,402,644
VANGUARD PORTFOLIO MANAGEMENT LLC 5.6% 3,238,693 0% 0.01% $167,408,041
VANGUARD CAPITAL MANAGEMENT LLC 4.3% 2,467,215 0% 0% $127,530,343
DIMENSIONAL FUND ADVISORS LP 4% 2,307,030 -15% 0.02% $119,239,273
STATE STREET CORP 4% 2,288,127 +3.1% 0% $118,273,285
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 3.5% 2,037,202 -12% 0.18% $105,303,000
ARMISTICE CAPITAL, LLC 3.3% 1,895,347 -31% 3.2% $97,970,486
RENAISSANCE TECHNOLOGIES LLC 3% 1,705,222 -1.6% 0.14% $88,142,925
GEODE CAPITAL MANAGEMENT, LLC 2.8% 1,623,514 +10% 0.01% $83,933,938
CITADEL ADVISORS LLC 2.6% 1,493,446 +230% 0.05% $77,196,223
LOOMIS SAYLES & CO L P 2.5% 1,425,779 -1.6% 0.1% $73,698,522
Stephens Investment Management Group LLC 2.3% 1,351,331 -3.9% 0.96% $69,850,299
Point72 Asset Management, L.P. 2.3% 1,318,555 -42% 0.12% $68,156,108
GW&K Investment Management, LLC 1.8% 1,055,184 -2.4% 0.48% $54,542,000
Sofinnova Investments, Inc. 1.7% 954,309 +73% 2.5% $49,328,232
MORGAN STANLEY 1.6% 913,893 -15% 0% $47,239,157
GOLDMAN SACHS GROUP INC 1.5% 856,487 +30% 0.01% $44,271,813
BANK OF AMERICA CORP /DE/ 1.2% 714,226 +37% 0% $36,918,329
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.2% 705,976 +0.33% 0.01% $36,491,899
NORTHERN TRUST CORP 1.2% 699,456 +4.3% 0% $36,154,881
ASHFORD CAPITAL MANAGEMENT INC 1.1% 645,381 +5.4% 4.1% $33,359,744
Freestone Grove Partners LP 1.1% 641,319 +227% 0.24% $33,149,779
D. E. Shaw & Co., Inc. 1.1% 622,450 -12% 0.03% $32,174,441
Assenagon Asset Management S.A. 0.92% 530,618 0.04% $27,427,644

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 58,220,522 $3,007,204,873 +$59,274,476 $51.69 326
2025 Q4 57,114,664 $2,839,113,187 -$131,385,144 $49.70 332
2025 Q3 57,682,442 $2,756,480,706 -$55,160,794 $47.79 306
2025 Q2 59,473,450 $1,874,807,260 +$9,630,477 $31.52 292
2025 Q1 59,101,687 $1,935,404,930 -$15,482,554 $32.75 289
2024 Q4 59,487,720 $2,151,322,834 -$22,020,752 $36.16 289
2024 Q3 59,870,229 $1,866,730,333 +$55,809,134 $31.18 269
2024 Q2 58,408,045 $1,562,624,874 +$31,544,259 $26.75 241
2024 Q1 56,687,119 $1,933,242,340 -$13,205,166 $34.11 246
2023 Q4 57,120,264 $1,653,064,952 +$17,403,885 $28.94 244
2023 Q3 56,959,606 $1,570,365,603 -$13,068,601 $27.57 235
2023 Q2 57,192,976 $1,719,305,714 +$49,379,666 $30.06 244
2023 Q1 55,275,699 $2,002,621,195 -$15,673,429 $36.23 254
2022 Q4 55,885,167 $1,993,935,462 +$8,207,715 $35.67 259
2022 Q3 55,685,346 $1,884,907,309 +$24,605,478 $33.85 236
2022 Q2 54,730,295 $1,582,868,015 +$42,197,813 $28.92 214
2022 Q1 53,502,805 $1,728,247,579 -$41,233,819 $32.32 220
2021 Q4 55,217,286 $1,609,193,475 +$18,456,601 $29.16 226
2021 Q3 54,377,202 $1,451,011,413 +$3,672,754 $26.67 217
2021 Q2 54,148,773 $1,667,192,127 +$29,163,166 $30.79 222
2021 Q1 53,335,145 $1,397,017,874 +$13,336,729 $26.18 217
2020 Q4 52,923,548 $1,331,865,761 +$29,078,257 $25.16 219
2020 Q3 51,463,966 $1,072,432,929 +$15,343,379 $20.84 204
2020 Q2 50,545,295 $1,200,362,920 +$48,582,918 $23.75 213
2020 Q1 48,465,165 $871,862,986 -$52,617,228 $17.99 199
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