CSS LLC’s PTC Therapeutics PTCT Stock Holding History

CSS LLC’s Portfolio PTCT Stock Details PTCT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q4	–	Sell	-20,000	Closed	-$935K	–	922
2020 Q3	$935K	Hold	20,000	–	–	0.04%	304
2020 Q2	$1.01M	Hold	20,000	–	–	0.06%	259
2020 Q1	$892K	Sell	20,000 -10,000	-33%	-$503K	0.07%	219
2019 Q4	$1.44M	Hold	30,000	–	–	0.08%	202
2019 Q3	$1.01M	Buy	30,000 +20,000	+200%	+$870K	0.07%	213
2019 Q2	$450K	Hold	10,000	–	–	0.03%	332
2019 Q1	$376K	Hold	10,000	–	–	0.02%	343
2018 Q4	$344K	Buy	+10,000	New	+$360K	0.02%	328

Other funds holding PTCT

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

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

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

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

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

Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

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

CSS LLC's PTCT Position: Q2 2025 in Review

CSS LLC sold out of PTC Therapeutics (PTCT) in Q2 2025, closing a stake of 17,857 shares — an estimated $910K sold.

CSS LLC first reported a position in PTCT in Q4 2019 and held it in 3 quarters. The position peaked at $910K in Q1 2025. 284 funds tracked by Wall St. Rank hold PTCT as of Q2 2025.

CSS LLC reported no remaining PTC Therapeutics position as of Q2 2025 after selling out during the quarter.
CSS LLC sold 17,857 PTC Therapeutics shares in Q2 2025, an estimated $910K.
CSS LLC first reported a position in PTC Therapeutics in Q4 2019 and held it in 3 quarters.
CSS LLC's PTC Therapeutics position peaked at $910K in Q1 2025.
284 funds tracked by Wall St. Rank held PTC Therapeutics as of Q2 2025.

Based on CSS LLC's 13F filing for Q2 2025, filed 14 Aug 2025.