STATE OF WISCONSIN INVESTMENT BOARD

Position in SUPN — Supernus Pharmaceuticals, Inc.

CIK 854157 MADISON, WI

Back to SUPN Full portfolio

Position in SUPN

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$3,276,267

+$63,809 QoQ

Shares Held

63,383

-1.9% QoQ

Ownership

0.109%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in SUPN Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $146,075,839 across 40 Drug Manufacturers - Specialty & Generic names. SUPN ranks #9 (2.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZTS	Zoetis Inc.	236,309	$27,934,086
2	VTRS	Viatris Inc	1,529,115	$20,658,343
3	NBIX	Neurocrine Biosciences Inc	96,261	$12,681,424
4	UTHR	UNITED THERAPEUTICS Corp	21,326	$12,645,891
5	TEVA	Teva Pharmaceutical Industries Ltd	361,622	$10,892,054
6	LNTH	Lantheus Holdings, Inc.	126,437	$9,590,246
7	ELAN	Elanco Animal Health Inc	313,166	$7,494,062
8	ALKS	Alkermes plc.	139,333	$4,926,814

All Filings in SUPN

Export CSV

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,276,267	63,383	-1.9%	Shares	Sole	2026-05-15
2025-12-31	$3,212,458	64,637	+85.5%	Shares	Sole	2026-02-17
2025-09-30	$1,664,908	34,838	-63.4%	Shares	Sole	2025-11-14
2025-06-30	$3,001,145	95,214	+5.6%	Shares	Sole	2025-08-14
2025-03-31	$2,953,886	90,195	+134.6%	Shares	Sole	2025-05-15
2024-12-31	$1,390,496	38,454	-59.4%	Shares	Sole	2025-02-14
2024-09-30	$2,954,647	94,761	-6.1%	Shares	Sole	2024-11-14
2024-06-30	$2,700,706	100,961	+6.0%	Shares	Sole	2024-08-14
2024-03-31	$3,249,148	95,255	+20.3%	Shares	Sole	2024-05-14
2023-12-31	$2,292,192	79,205	+79.8%	Shares	Sole	2024-02-12
2023-09-30	$1,214,237	44,042	-11.9%	Shares	Sole	2023-11-14
2023-06-30	$1,502,789	49,993	+3.5%	Shares	Sole	2023-08-14
2023-03-31	$1,750,307	48,311	-10.0%	Shares	Sole	2023-05-15
2022-12-31	$1,914,444	53,671	-0.9%	Shares	Sole	2023-02-14
2022-09-30	$1,833,011	54,151	-6.1%	Shares	Sole	2022-11-14
2022-06-30	$1,668,568	57,696	-17.1%	Shares	Sole	2022-08-15
2022-03-31	$2,249,472	69,600	0.0%	Shares	Sole	2022-05-13
2021-12-31	$2,029,536	69,600	0.0%	Shares	Sole	2022-02-11
2021-09-30	$1,856,232	69,600	0.0%	Shares	Sole	2021-11-12
2021-06-30	$2,142,984	69,600	0.0%	Shares	Sole	2021-08-12
2021-03-31	$1,822,128	69,600	0.0%	Shares	Sole	2021-05-17
2020-12-31	$1,751,136	69,600	-11.1%	Shares	Sole	2021-02-03
2020-09-30	$1,631,772	78,300	-0.1%	Shares	Sole	2020-11-16
2020-06-30	$1,862,000	78,400	-4.5%	Shares	Sole	2020-08-12
2020-03-31	$1,476,979	82,100	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.