Supernus Pharmaceuticals SUPN Institutional Ownership

NASDAQ SUPN

$41.90 -0.53 (-1.25%)

As of: Sep 9, 2026 · 12:05 PM EDT

Institutions by Trading Activity

336 Institutions

Increased 167 49.7%

Unchanged 55 16.4%

Reduced 114 33.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

104.90%

▲+3.88 pp QoQ

Shares Held by Institutions

60.92Mn

of 58.07Mn outstanding

▲+8.38% QoQ

Shares Outstanding

58.07Mn

-2.85Mn held outside 13F filers

Institutional Investors

336

filed 13F for Jun 2026

▲+10 vs prior quarter

Net Shares Added (QoQ)

+4.71Mn

accumulated since last quarter

Value of Holdings

$2.65Bn

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

Quarter ending 30 Jun, 2026

Supernus Pharmaceuticals, Inc. (NASDAQ:SUPN) appears in 336 institutional 13F filings for the quarter ending June 2026.

They owned 104.9% of outstanding stock in June 2026, up from 101.0% the prior quarter.
Their total shares held in SUPN increased 8.38% from the prior quarter, while the number of investors in Supernus Pharmaceuticals increased 13.9% year over year.
Of these 336 funds, 167 grew their exposure to Supernus Pharmaceuticals, 114 cut back, and 55 maintained positions.
Combined, these investors held 60.92Mn shares in SUPN for June 2026, up by 4.71Mn shares quarter on quarter, and up 1.79Mn shares year over year.
BlackRock, Inc. leads ownership in SUPN with 9.35Mn shares as of June 30, 2026, equal to 16.1% of outstanding shares.
The most significant purchases of SUPN for the quarter ending June 2026 came from TWO SIGMA INVESTMENTS, LP (913.15K), ARMISTICE CAPITAL, LLC (750.85K), Sixth Street Partners Management Company, L.P. (703.55K), BlackRock, Inc. (552.79K), MILLENNIUM MANAGEMENT LLC (537.24K).
The biggest sellers of Supernus Pharmaceuticals for the quarter ending June 2026 included Assenagon Asset Management S.A. (457.44K), SG Americas Securities, LLC (351.35K), Freestone Grove Partners LP (324.92K), MetLife Investment Management, LLC (271.46K), DIMENSIONAL FUND ADVISORS LP (228.94K).
Business Quant data shows the 10 biggest positions in Supernus Pharmaceuticals as of June 2026 are held by BlackRock, Inc. (9.35Mn), MILLENNIUM MANAGEMENT LLC (3.85Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.31Mn), ARMISTICE CAPITAL, LLC (2.65Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.52Mn), State Street Corp (2.46Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (2.38Mn), DIMENSIONAL FUND ADVISORS LP (2.08Mn), GEODE CAPITAL MANAGEMENT, LLC (1.57Mn), Stephens Investment Management Group LLC (1.49Mn).

Form 13F Holdings

336 Institutional Holders

Report period 30 Jun, 2026

Total shares held 60.92Mn

Of outstanding 104.90%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	9,350,046	16.10%	▲552,792	+6.28%	$434.87Mn
2	MILLENNIUM MANAGEMENT LLC	0001273087	3,853,212	6.64%	▲537,239	+16.20%	$179.21Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,305,429	5.69%	▲66,736	+2.06%	$153.74Mn
4	ARMISTICE CAPITAL, LLC	0001601086	2,646,201	4.56%	▲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	4.24%	▲171,701	+7.50%	$114.41Mn
7	NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	0000921739	2,378,329	4.10%	▲341,127	+16.74%	$110.62Mn
8	DIMENSIONAL FUND ADVISORS LP	0000354204	2,078,090	3.58%	▼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	2.56%	▲134,490	+9.95%	$69.11Mn
11	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,478,180	2.55%	▼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	2.37%	▼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	1.79%	▼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 336 holders