Supernus Pharmaceuticals SUPN Institutional Ownership

NASDAQ SUPN

$42.07 +0.86 (+2.09%)

At close: Oct 22, 2026 · 4:00 PM EDT

Institutions by Trading Activity

335 Institutions

Increased 166 49.6%

Unchanged 55 16.4%

Reduced 114 34.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

60.21Mn

of 58.16Mn outstanding

▲+3.45% QoQ

Shares Outstanding

58.16Mn

Institutional Investors

335

filed 13F for Jun 2026

▲+9 vs prior quarter

Net Shares Added (QoQ)

+2.01Mn

accumulated since last quarter

Value of Holdings

$2.48Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Supernus Pharmaceuticals, Inc. (NASDAQ:SUPN) counted 335 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

Total shares held in Supernus Pharmaceuticals rose 3.45% from Q1 2026, while the number of holders rose 14.73% from Q2 2025.
Of these 335 holders, 166 added to their positions, 114 reduced their stakes and 55 left their positions unchanged.
Altogether, institutional holders owned 60.21Mn SUPN shares at the end of Q2 2026, up 2.01Mn from the prior quarter and up 1.58Mn from a year earlier.
BlackRock, Inc. held the largest position in SUPN at 9.35Mn shares as of June 30, 2026.
Among existing holders, the largest additions to Supernus Pharmaceuticals in Q2 2026 came from Two Sigma Investments, LP (+913.15K shares), Armistice Capital, LLC (+750.85K shares), BlackRock, Inc. (+552.79K shares), Millennium Management LLC (+537.24K shares) and Qube Research & Technologies Ltd (+423.97K shares).
Holders that trimmed the most shares of Supernus Pharmaceuticals in Q2 2026 while keeping a position were Assenagon Asset Management S.A. (-457.44K shares), SG Americas Securities, LLC (-351.35K shares), Freestone Grove Partners LP (-324.92K shares), MetLife Investment Management, LLC (-271.46K shares) and Dimensional Fund Advisors LP (-228.94K shares).
Per Business Quant, the top 10 investors in SUPN for the quarter ended June 30, 2026 were BlackRock, Inc. (9.35Mn shares), Millennium Management LLC (3.85Mn shares), Vanguard Portfolio Management LLC (3.31Mn shares), Armistice Capital, LLC (2.65Mn shares), Vanguard Capital Management LLC (2.52Mn shares), State Street Corp (2.46Mn shares), Nomura Asset Management International Inc. (2.38Mn shares), Dimensional Fund Advisors LP (2.08Mn shares), Geode Capital Management, LLC (1.57Mn shares) and Stephens Investment Management Group LLC (1.49Mn shares).

Form 13F Holdings

335 Institutional Holders

Report period 30 Jun, 2026

Total shares held 60.21Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	9,350,046	16.08%	▲552,792	+6.28%	$434.87Mn
2	MILLENNIUM MANAGEMENT LLC	0001273087	3,853,212	6.62%	▲537,239	+16.20%	$179.21Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,305,429	5.68%	▲66,736	+2.06%	$153.74Mn
4	ARMISTICE CAPITAL, LLC	0001601086	2,646,201	4.55%	▲750,854	+39.62%	$123.07Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,516,721	4.33%	▲49,506	+2.01%	$117.05Mn
6	State Street Corp	0000093751	2,459,828	4.23%	▲171,701	+7.50%	$114.41Mn
7	NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	0000921739	2,378,329	4.09%	▲341,127	+16.74%	$110.62Mn
8	DIMENSIONAL FUND ADVISORS LP	0000354204	2,078,090	3.57%	▼228,940	-9.92%	$96.65Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,570,088	2.70%	▼53,426	-3.29%	$73.04Mn
10	Stephens Investment Management Group LLC	0001314440	1,485,821	2.55%	▲134,490	+9.95%	$69.11Mn
11	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,478,180	2.54%	▼227,042	-13.31%	$68.75Mn
12	LOOMIS SAYLES & CO L P	0000312348	1,475,192	2.54%	▲49,413	+3.47%	$68.61Mn
13	CITADEL ADVISORS LLC	0001423053	1,373,982	2.36%	▼119,464	-8.00%	$63.90Mn
14	TWO SIGMA INVESTMENTS, LP	0001179392	1,184,378	2.04%	▲913,150	+336.67%	$55.09Mn
15	GW&K Investment Management, LLC	0001082917	1,037,242	1.78%	▼17,942	-1.70%	$48.24K
16	Sofinnova Investments, Inc.	0001631134	1,036,328	1.78%	▲82,019	+8.59%	$48.20Mn
17	Qube Research & Technologies Ltd	0001729829	922,166	1.59%	▲423,968	+85.10%	$42.89Mn
18	Morgan Stanley	0000895421	876,841	1.51%	▼37,052	-4.05%	$40.78Mn
19	Goldman Sachs Group Inc	0000886982	819,432	1.41%	▼37,055	-4.33%	$38.11Mn
20	D. E. Shaw & Co., Inc.	0001009207	767,668	1.32%	▲145,218	+23.33%	$35.70Mn

Showing 1 to 20 of 335 holders