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
RI
JT
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.