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 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 $5.72T AUM 30.48% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM

Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jane Street's SUPN Position: Q1 2026 in Review

Jane Street increased its Supernus Pharmaceuticals (SUPN) stake by 57% in Q1 2026, buying an estimated $1.06M and bringing the position to 57,327 shares worth $2.96M. The position accounts for ﹤0.01% of the portfolio, ranked #4369.

Jane Street first reported a position in SUPN in Q2 2013 and has held it in 34 quarters since. The position peaked at $6.24M in Q3 2025. 327 funds tracked by Wall St. Rank hold SUPN as of Q1 2026.

Jane Street held 57,327 shares of Supernus Pharmaceuticals worth $2.96M as of Q1 2026.
Jane Street bought 20,845 Supernus Pharmaceuticals shares in Q1 2026, an estimated $1.06M.
Supernus Pharmaceuticals made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4369 holding.
Jane Street first reported a position in Supernus Pharmaceuticals in Q2 2013 and has held it in 34 quarters since.
Jane Street's Supernus Pharmaceuticals position peaked at $6.24M in Q3 2025.
327 funds tracked by Wall St. Rank held Supernus Pharmaceuticals as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.