O'Shaughnessy Asset Management’s PTC Therapeutics PTCT Stock Holding History

O'Shaughnessy Asset Management’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
2026 Q2	$2.61M	Sell	31,942 -1,477	-4%	-$107K	0.01%	794
2026 Q1	$2.28M	Sell	33,419 -1,931	-5%	-$137K	0.01%	818
2025 Q4	$2.69M	Buy	+35,350	New	+$2.57M	0.01%	723
2021 Q4	–	Sell	-197	Closed	-$7K	–	2181
2021 Q3	$7K	Hold	197	–	–	﹤0.01%	2254
2021 Q2	$8K	Buy	+197	New	+$8.44K	﹤0.01%	2053

Other funds holding PTCT

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

RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

O'Shaughnessy Asset Management's PTCT Position: Q2 2026 in Review

O'Shaughnessy Asset Management reduced its PTC Therapeutics (PTCT) stake by 4.4% in Q2 2026, selling an estimated $107K and leaving 31,942 shares worth $2.61M. The position accounts for 0.01% of the portfolio, ranked #794.

O'Shaughnessy Asset Management first reported a position in PTCT in Q2 2021 and has held it in 5 quarters since. The position peaked at $2.69M in Q4 2025. 382 funds tracked by Wall St. Rank hold PTCT as of Q2 2026.

O'Shaughnessy Asset Management held 31,942 shares of PTC Therapeutics worth $2.61M as of Q2 2026.
O'Shaughnessy Asset Management sold 1,477 PTC Therapeutics shares in Q2 2026, an estimated $107K.
PTC Therapeutics made up 0.01% of O'Shaughnessy Asset Management's portfolio in Q2 2026, its #794 holding.
O'Shaughnessy Asset Management first reported a position in PTC Therapeutics in Q2 2021 and has held it in 5 quarters since.
O'Shaughnessy Asset Management's PTC Therapeutics position peaked at $2.69M in Q4 2025.
382 funds tracked by Wall St. Rank held PTC Therapeutics as of Q2 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.