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Sectoral Asset Management’s PTC Therapeutics PTCT Stock Holding History

Sectoral 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
Q1 		$515K Sell
6,650
-1,065
-14% -$75.4K 0.43% 56
2025
Q4 		$586K Sell
7,715
-820
-10% -$59.6K 0.47% 58
2025
Q3 		$524K Hold
8,535
– – 0.32% 66
2025
Q2 		$417K Buy
8,535
+185
+2% +$8.78K 0.28% 72
2025
Q1 		$426K Buy
8,350
+2,550
+44% +$127K 0.33% 56
2024
Q4 		$262K Sell
5,800
-1,800
-24% -$77K 0.17% 66
2024
Q3 		$282K Buy
7,600
+3,300
+77% +$110K 0.17% 81
2024
Q2 		$131K Buy
+4,300
New +$139K 0.05% 91
2023
Q4 		– Sell
-187,016
Closed -$4.19M – 120
2023
Q3 		$4.19M Sell
187,016
-44,680
-19% -$1.66M 0.82% 54
2023
Q2 		$9.42M Buy
231,696
+5,130
+2% +$251K 1.57% 18
2023
Q1 		$11M Sell
226,566
-925
-0.4% -$42.3K 2.11% 8
2022
Q4 		$8.68M Sell
227,491
-11,400
-5% -$474K 1.68% 14
2022
Q3 		$12M Sell
238,891
-1,017
-0.4% -$49.8K 2.36% 8
2022
Q2 		$9.61M Sell
239,908
-24,483
-9% -$858K 1.94% 11
2022
Q1 		$9.86M Buy
264,391
+2,100
+0.8% +$80.9K 1.75% 18
2021
Q4 		$10.4M Buy
262,291
+10,000
+4% +$383K 1.57% 22
2021
Q3 		$9.39M Sell
252,291
-80,000
-24% -$3.29M 0.78% 51
2021
Q2 		$14M Sell
332,291
-172,637
-34% -$7.4M 1.14% 32
2021
Q1 		$23.9M Sell
504,928
-99,050
-16% -$5.88M 1.81% 15
2020
Q4 		$36.9M Sell
603,978
-65,600
-10% -$3.87M 2.6% 6
2020
Q3 		$31.3M Buy
669,578
+148,911
+29% +$7.33M 2.69% 4
2020
Q2 		$26.4M Buy
520,667
+221,823
+74% +$10.9M 2.43% 3
2020
Q1 		$13.3M Sell
298,844
-29,894
-9% -$1.51M 2.56% 6
2019
Q4 		$15.8M Sell
328,738
-48,500
-13% -$2.06M 2.36% 11
2019
Q3 		$12.8M Sell
377,238
-73,400
-16% -$3.19M 2.2% 15
2019
Q2 		$20.3M Sell
450,638
-12,499
-3% -$494K 2.42% 10
2019
Q1 		$17.4M Buy
463,137
+229,601
+98% +$7.71M 2.1% 12
2018
Q4 		$8.02M Buy
233,536
+29,299
+14% +$1.05M 1.09% 33
2018
Q3 		$9.6M Buy
204,237
+68,353
+50% +$2.83M 1.02% 39
2018
Q2 		$4.58M Sell
135,884
-302,050
-69% -$9.42M 0.51% 52
2018
Q1 		$11.8M Buy
437,934
+65,300
+18% +$1.65M 1.3% 29
2017
Q4 		$6.22M Buy
372,634
+202,099
+119% +$3.42M 0.78% 38
2017
Q3 		$3.41M Buy
170,535
+109,800
+181% +$2.15M 0.44% 46
2017
Q2 		$1.11M Sell
60,735
-290,400
-83% -$3.91M 0.12% 55
2017
Q1 		$3.46M Buy
351,135
+228,000
+185% +$2.76M 0.4% 43
2016
Q4 		$1.34M Sell
123,135
-656,863
-84% -$6.89M 0.15% 49
2016
Q3 		$10.9M Buy
779,998
+131,022
+20% +$1.07M 1.07% 33
2016
Q2 		$4.56M Sell
648,976
-1,966,265
-75% -$14.4M 0.47% 43
2016
Q1 		$16.8M Buy
2,615,241
+1,028,983
+65% +$17.9M 0.81% 36
2015
Q4 		$51.4M Buy
1,586,258
+895,894
+130% +$26.4M 2.19% 15
2015
Q3 		$18.4M Buy
690,364
+75,622
+12% +$3.23M 0.84% 30
2015
Q2 		$29.6M Sell
614,742
-138,399
-18% -$8.07M 1.23% 26
2015
Q1 		$45.8M Sell
753,141
-381,989
-34% -$23.3M 1.74% 20
2014
Q4 		$58.8M Sell
1,135,130
-187,268
-14% -$8.24M 2.64% 13
2014
Q3 		$58.2M Sell
1,322,398
-228,876
-15% -$7.16M 2.45% 13
2014
Q2 		$40.5M Buy
1,551,274
+603,372
+64% +$12.9M 1.72% 22
2014
Q1 		$24.8M Buy
947,902
+890,383
+1,548% +$23.9M 1.02% 33
2013
Q4 		$976K Hold
57,519
– – 0.04% 54
2013
Q3 		$1.23M Sell
57,519
-28,581
-33% -$497K 0.06% 53
2013
Q2 		$1.29M Buy
+86,100
New +$1.4M 0.04% 55

Other funds holding PTCT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return

Sectoral Asset Management's PTCT Position: Q1 2026 in Review

Sectoral Asset Management reduced its PTC Therapeutics (PTCT) stake by 14% in Q1 2026, selling an estimated $75.4K and leaving 6,650 shares worth $515K. The position accounts for 0.43% of the portfolio, ranked #56.

Sectoral Asset Management first reported a position in PTCT in Q2 2013 and has held it in 50 quarters since. The position peaked at $58.8M in Q4 2014. 349 funds tracked by Wall St. Rank hold PTCT as of Q1 2026.

  • Sectoral Asset Management held 6,650 shares of PTC Therapeutics worth $515K as of Q1 2026.
  • Sectoral Asset Management sold 1,065 PTC Therapeutics shares in Q1 2026, an estimated $75.4K.
  • PTC Therapeutics made up 0.43% of Sectoral Asset Management's portfolio in Q1 2026, its #56 holding.
  • Sectoral Asset Management first reported a position in PTC Therapeutics in Q2 2013 and has held it in 50 quarters since.
  • Sectoral Asset Management's PTC Therapeutics position peaked at $58.8M in Q4 2014.
  • 349 funds tracked by Wall St. Rank held PTC Therapeutics as of Q1 2026.

Based on Sectoral Asset Management's 13F filing for Q1 2026, filed 15 May 2026.