State of Wisconsin Investment Board’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
$3.44M Sell
42,127
-26,861
-39% -$1.94M 0.01% 1278
2026
Q1
$4.7M Buy
68,988
+22,213
+47% +$1.57M 0.01% 1019
2025
Q4
$3.55M Sell
46,775
-12,010
-20% -$873K 0.01% 1142
2025
Q3
$3.61M Buy
58,785
+9,926
+20% +$517K 0.01% 1082
2025
Q2
$2.39M Sell
48,859
-17,913
-27% -$850K 0.01% 1219
2025
Q1
$3.4M Sell
66,772
-16,501
-20% -$823K 0.01% 1058
2024
Q4
$3.76M Buy
83,273
+34,413
+70% +$1.47M 0.01% 1064
2024
Q3
$1.81M Sell
48,860
-8,878
-15% -$297K ﹤0.01% 1348
2024
Q2
$1.77M Buy
57,738
+9,939
+21% +$322K ﹤0.01% 1351
2024
Q1
$1.39M Sell
47,799
-29,932
-39% -$838K ﹤0.01% 1342
2023
Q4
$2.14M Buy
77,731
+18,065
+30% +$413K 0.01% 1225
2023
Q3
$1.34M Buy
59,666
+2,857
+5% +$106K ﹤0.01% 1336
2023
Q2
$2.31M Sell
56,809
-2,900
-5% -$142K 0.01% 1261
2023
Q1
$2.89M Sell
59,709
-4,919
-8% -$225K 0.01% 1190
2022
Q4
$2.47M Sell
64,628
-1,046
-2% -$43.5K 0.01% 1263
2022
Q3
$3.3M Sell
65,674
-3,324
-5% -$163K 0.01% 1147
2022
Q2
$2.76M Sell
68,998
-21,602
-24% -$757K 0.01% 1275
2022
Q1
$3.38M Hold
90,600
0.01% 1303
2021
Q4
$3.61M Hold
90,600
0.01% 1126
2021
Q3
$3.37M Buy
90,600
+7,400
+9% +$304K 0.01% 1159
2021
Q2
$3.52M Hold
83,200
0.01% 1155
2021
Q1
$3.94M Sell
83,200
-5,000
-6% -$297K 0.01% 1091
2020
Q4
$5.38M Sell
88,200
-11,000
-11% -$648K 0.01% 962
2020
Q3
$4.64M Hold
99,200
0.01% 966
2020
Q2
$5.03M Buy
99,200
+3,500
+4% +$172K 0.01% 885
2020
Q1
$4.27M Buy
95,700
+10,000
+12% +$503K 0.01% 841
2019
Q4
$4.12M Hold
85,700
0.01% 984
2019
Q3
$2.9M Buy
85,700
+10,900
+15% +$474K 0.01% 947
2019
Q2
$3.37M Buy
74,800
+12,700
+20% +$502K 0.01% 916
2019
Q1
$2.34M Buy
62,100
+15,700
+34% +$527K 0.01% 973
2018
Q4
$1.59M Buy
46,400
+300
+0.7% +$10.8K 0.01% 1017
2018
Q3
$2.17M Hold
46,100
0.01% 1026
2018
Q2
$1.55M Buy
46,100
+5,700
+14% +$178K ﹤0.01% 1039
2018
Q1
$1.09M Buy
40,400
+16,400
+68% +$416K ﹤0.01% 1104
2017
Q4
$400K Hold
24,000
﹤0.01% 1322
2017
Q3
$480K Hold
24,000
﹤0.01% 1304
2017
Q2
$440K Buy
+24,000
New +$323K ﹤0.01% 1308

Other funds holding PTCT

State of Wisconsin Investment Board's PTCT Position: Q2 2026 in Review

State of Wisconsin Investment Board reduced its PTC Therapeutics (PTCT) stake by 39% in Q2 2026, selling an estimated $1.94M and leaving 42,127 shares worth $3.44M. The position accounts for 0.01% of the portfolio, ranked #1278.

State of Wisconsin Investment Board first reported a position in PTCT in Q2 2017 and has held it in 37 quarters since. The position peaked at $5.38M in Q4 2020. 382 funds tracked by Wall St. Rank hold PTCT as of Q2 2026.

  • State of Wisconsin Investment Board held 42,127 shares of PTC Therapeutics worth $3.44M as of Q2 2026.
  • State of Wisconsin Investment Board sold 26,861 PTC Therapeutics shares in Q2 2026, an estimated $1.94M.
  • PTC Therapeutics made up 0.01% of State of Wisconsin Investment Board's portfolio in Q2 2026, its #1278 holding.
  • State of Wisconsin Investment Board first reported a position in PTC Therapeutics in Q2 2017 and has held it in 37 quarters since.
  • State of Wisconsin Investment Board's PTC Therapeutics position peaked at $5.38M in Q4 2020.
  • 382 funds tracked by Wall St. Rank held PTC Therapeutics as of Q2 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.