Group One Trading’s PTC Therapeutics PTCT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
Sell
-52,713
Closed -$3.81M 8303
2026
Q1
$3.59M Buy
+52,713
New +$3.73M 0.01% 1561
2025
Q4
Sell
-113,271
Closed -$8.23M 8956
2025
Q3
$6.95M Buy
113,271
+105,656
+1,387% +$5.5M 0.01% 1199
2025
Q2
$372K Buy
7,615
+7,547
+11,099% +$358K ﹤0.01% 3722
2025
Q1
$3.46K Sell
68
-393
-85% -$19.6K ﹤0.01% 6795
2024
Q4
$20.8K Buy
+461
New +$19.7K ﹤0.01% 5655
2024
Q2
Sell
-16,306
Closed -$528K 7334
2024
Q1
$474K Buy
16,306
+15,938
+4,331% +$446K ﹤0.01% 2795
2023
Q4
$10.1K Sell
368
-2,689
-88% -$61.5K ﹤0.01% 6189
2023
Q3
$68.5K Sell
3,057
-1,233
-29% -$45.9K ﹤0.01% 4809
2023
Q2
$174K Buy
4,290
+2,136
+99% +$105K ﹤0.01% 4084
2023
Q1
$104K Buy
2,154
+1,868
+653% +$85.4K ﹤0.01% 4275
2022
Q4
$10.9K Buy
286
+113
+65% +$4.7K ﹤0.01% 5991
2022
Q3
$9K Buy
+173
New +$8.48K ﹤0.01% 6568
2022
Q2
Sell
-5,000
Closed -$175K 8382
2022
Q1
$187K Buy
+5,000
New +$193K ﹤0.01% 4863
2020
Q4
Sell
-15,390
Closed -$907K 6902
2020
Q3
$719K Sell
15,390
-6,184
-29% -$304K ﹤0.01% 2519
2020
Q2
$1.09M Sell
21,574
-1,107
-5% -$54.4K 0.01% 1940
2020
Q1
$1.01M Buy
+22,681
New +$1.14M 0.01% 1512
2019
Q1
Sell
-24,694
Closed -$829K 5258
2018
Q4
$848K Buy
24,694
+15,592
+171% +$561K 0.01% 1620
2018
Q3
$428K Sell
9,102
-26,921
-75% -$1.11M ﹤0.01% 2412
2018
Q2
$1.22M Sell
36,023
-7,201
-17% -$225K 0.01% 1527
2018
Q1
$1.17M Sell
43,224
-526,149
-92% -$13.3M 0.01% 1391
2017
Q4
$9.5M Buy
569,373
+478,635
+527% +$8.1M 0.07% 359
2017
Q3
$1.82M Buy
90,738
+77,023
+562% +$1.51M 0.02% 1114
2017
Q2
$251K Sell
13,715
-211,906
-94% -$2.86M ﹤0.01% 2472
2017
Q1
$2.22M Buy
225,621
+147,865
+190% +$1.79M 0.03% 800
2016
Q4
$848K Buy
+77,756
New +$816K 0.01% 1425
2016
Q3
Sell
-47,562
Closed -$387K 4831
2016
Q2
$334K Buy
47,562
+20,423
+75% +$150K ﹤0.01% 2027
2016
Q1
$175K Sell
27,139
-50,621
-65% -$879K ﹤0.01% 2413
2015
Q4
$2.52M Buy
77,760
+74,778
+2,508% +$2.2M 0.03% 722
2015
Q3
$80K Sell
2,982
-20,624
-87% -$882K ﹤0.01% 3209
2015
Q2
$1.14M Buy
23,606
+5,519
+31% +$322K 0.02% 1123
2015
Q1
$1.1M Buy
18,087
+10,712
+145% +$654K 0.02% 1010
2014
Q4
$382K Buy
+7,375
New +$325K 0.01% 1768

Other funds holding PTCT

Group One Trading's PTCT Position: Q2 2026 in Review

Group One Trading sold out of PTC Therapeutics (PTCT) in Q2 2026, closing a stake of 52,713 shares — an estimated $3.81M sold.

Group One Trading first reported a position in PTCT in Q4 2014 and held it in 32 quarters. The position peaked at $9.5M in Q4 2017. 382 funds tracked by Wall St. Rank hold PTCT as of Q2 2026.

  • Group One Trading reported no remaining PTC Therapeutics position as of Q2 2026 after selling out during the quarter.
  • Group One Trading sold 52,713 PTC Therapeutics shares in Q2 2026, an estimated $3.81M.
  • Group One Trading first reported a position in PTC Therapeutics in Q4 2014 and held it in 32 quarters.
  • Group One Trading's PTC Therapeutics position peaked at $9.5M in Q4 2017.
  • 382 funds tracked by Wall St. Rank held PTC Therapeutics as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.