Asset Management One’s PTC Therapeutics PTCT Stock Holding History

Asset Management One’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	$112K	Buy	+1,368	New	+$98.8K	﹤0.01%	910
2026 Q1	–	Sell	-1,771	Closed	-$138K	–	959
2025 Q4	$138K	Buy	+1,771	New	+$129K	﹤0.01%	893
2016 Q1	–	Sell	-107,433	Closed	-$3.6M	–	1341
2015 Q4	$3.6M	Sell	107,433 -18,898	-15%	-$556K	0.05%	409
2015 Q3	$3.17M	Buy	126,331 +33,333	+36%	+$1.43M	0.05%	465
2015 Q2	$4.41M	Sell	92,998 -4,751	-5%	-$277K	0.06%	403
2015 Q1	$6.34M	Sell	97,749 -5,116	-5%	-$312K	0.08%	321
2014 Q4	$5.51M	Buy	102,865 +9,586	+10%	+$422K	0.07%	350
2014 Q3	$4.25M	Buy	+93,279	New	+$2.92M	0.06%	385

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

Asset Management One's PTCT Position: Q2 2026 in Review

Asset Management One opened a new position in PTC Therapeutics (PTCT) in Q2 2026: 1,368 shares worth $112K. The stake represents ﹤0.01% of the portfolio and ranks #910 among its holdings. This is a return to the name: Asset Management One previously reported a position in PTCT as recently as Q4 2025.

Asset Management One first reported a position in PTCT in Q3 2014 and has held it in 8 quarters since. The position peaked at $6.34M in Q1 2015. 382 funds tracked by Wall St. Rank hold PTCT as of Q2 2026.

Asset Management One held 1,368 shares of PTC Therapeutics worth $112K as of Q2 2026.
PTC Therapeutics was a new Asset Management One position in Q2 2026.
PTC Therapeutics made up ﹤0.01% of Asset Management One's portfolio in Q2 2026, its #910 holding.
Asset Management One first reported a position in PTC Therapeutics in Q3 2014 and has held it in 8 quarters since.
Asset Management One's PTC Therapeutics position peaked at $6.34M in Q1 2015.
382 funds tracked by Wall St. Rank held PTC Therapeutics as of Q2 2026.

Based on Asset Management One's 13F filing for Q2 2026, filed 28 Jul 2026.