Massachusetts Financial Services’s PTC Therapeutics PTCT Stock Holding History

Massachusetts Financial Services’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	$594K	Sell	7,283 -26,283	-78%	-$1.9M	﹤0.01%	940
2026 Q1	$2.29M	Sell	33,566 -11,027	-25%	-$781K	﹤0.01%	795
2025 Q4	$3.39M	Sell	44,593 -1,477	-3%	-$107K	﹤0.01%	762
2025 Q3	$2.83M	Buy	46,070 +3,029	+7%	+$158K	﹤0.01%	742
2025 Q2	$2.1M	Buy	43,041 +532	+1%	+$25.3K	﹤0.01%	762
2025 Q1	$2.17M	Sell	42,509 -966	-2%	-$48.2K	﹤0.01%	752
2024 Q4	$1.96M	Sell	43,475 -1,296	-3%	-$55.5K	﹤0.01%	766
2024 Q3	$1.66M	Buy	+44,771	New	+$1.5M	﹤0.01%	750

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

Massachusetts Financial Services's PTCT Position: Q2 2026 in Review

Massachusetts Financial Services reduced its PTC Therapeutics (PTCT) stake by 78% in Q2 2026, selling an estimated $1.9M and leaving 7,283 shares worth $594K. The position accounts for ﹤0.01% of the portfolio, ranked #940.

Massachusetts Financial Services first reported a position in PTCT in Q3 2024 and has held it in 8 quarters since. The position peaked at $3.39M in Q4 2025. 382 funds tracked by Wall St. Rank hold PTCT as of Q2 2026.

Massachusetts Financial Services held 7,283 shares of PTC Therapeutics worth $594K as of Q2 2026.
Massachusetts Financial Services sold 26,283 PTC Therapeutics shares in Q2 2026, an estimated $1.9M.
PTC Therapeutics made up ﹤0.01% of Massachusetts Financial Services's portfolio in Q2 2026, its #940 holding.
Massachusetts Financial Services first reported a position in PTC Therapeutics in Q3 2024 and has held it in 8 quarters since.
Massachusetts Financial Services's PTC Therapeutics position peaked at $3.39M in Q4 2025.
382 funds tracked by Wall St. Rank held PTC Therapeutics as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.