Jane Street’s Supernus Pharmaceuticals SUPN Stock Holding History

Jane Street’s Portfolio SUPN Stock Details SUPN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$674K	Buy	14,500 +300	+2%	+$14.4K	﹤0.01%	7361
2026 Q1	$734K	Buy	14,200 +1,600	+13%	+$81.5K	﹤0.01%	7170
2025 Q4	$626K	Buy	+12,600	New	+$613K	﹤0.01%	7186
2022 Q2	–	Sell	-53,400	Closed	-$1.73M	–	10835
2022 Q1	$1.73M	Sell	53,400 -5,500	-9%	-$169K	﹤0.01%	5039
2021 Q4	$1.72M	Buy	+58,900	New	+$1.79M	﹤0.01%	4790
2021 Q3	–	Sell	-6,500	Closed	-$200K	–	10697
2021 Q2	$200K	Buy	+6,500	New	+$199K	﹤0.01%	8830
2021 Q1	–	Sell	-9,400	Closed	-$237K	–	9580
2020 Q4	$237K	Buy	+9,400	New	+$202K	﹤0.01%	6740
2019 Q2	–	Sell	-16,600	Closed	-$582K	–	5710
2019 Q1	$582K	Buy	16,600 +200	+1%	+$7.44K	﹤0.01%	3496
2018 Q4	$545K	Buy	16,400 +7,400	+82%	+$318K	﹤0.01%	3364
2018 Q3	$453K	Buy	9,000 +3,400	+61%	+$168K	﹤0.01%	3729
2018 Q2	$335K	Buy	+5,600	New	+$290K	﹤0.01%	4011

Other funds holding SUPN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

SIMG

Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

Jane Street's SUPN Position: Q2 2026 in Review

Jane Street sold out of Supernus Pharmaceuticals (SUPN) in Q2 2026, closing a stake of 57,327 shares — an estimated $2.75M sold.

Jane Street first reported a position in SUPN in Q2 2013 and held it in 34 quarters. The position peaked at $6.24M in Q3 2025. 334 funds tracked by Wall St. Rank hold SUPN as of Q2 2026.

Jane Street reported no remaining Supernus Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
Jane Street sold 57,327 Supernus Pharmaceuticals shares in Q2 2026, an estimated $2.75M.
Jane Street first reported a position in Supernus Pharmaceuticals in Q2 2013 and held it in 34 quarters.
Jane Street's Supernus Pharmaceuticals position peaked at $6.24M in Q3 2025.
334 funds tracked by Wall St. Rank held Supernus Pharmaceuticals as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.