State of Wisconsin Investment Board’s Ironwood Pharmaceuticals IRWD Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.1M Buy
598,159
+418,119
+232% +$1.71M ﹤0.01% 1386
2025
Q4
$607K Buy
+180,040
New +$468K ﹤0.01% 1857
2025
Q2
Sell
-12,612
Closed -$18.5K 2369
2025
Q1
$18.5K Sell
12,612
-464,007
-97% -$1.11M ﹤0.01% 2230
2024
Q4
$2.11M Sell
476,619
-96,807
-17% -$393K 0.01% 1266
2024
Q3
$2.36M Buy
573,426
+397,862
+227% +$2.14M 0.01% 1244
2024
Q2
$1.14M Buy
175,564
+52,906
+43% +$374K ﹤0.01% 1513
2024
Q1
$1.07M Buy
122,658
+2,764
+2% +$33.5K ﹤0.01% 1413
2023
Q4
$1.37M Buy
119,894
+231
+0.2% +$2.29K ﹤0.01% 1313
2023
Q3
$1.15M Sell
119,663
-5,365
-4% -$52.6K ﹤0.01% 1362
2023
Q2
$1.33M Sell
125,028
-6,458
-5% -$69.4K ﹤0.01% 1392
2023
Q1
$1.38M Sell
131,486
-14,915
-10% -$167K ﹤0.01% 1395
2022
Q4
$1.81M Sell
146,401
-8,606
-6% -$97.6K 0.01% 1342
2022
Q3
$1.61M Sell
155,007
-10,220
-6% -$116K 0.01% 1391
2022
Q2
$1.91M Sell
165,227
-49,573
-23% -$584K 0.01% 1379
2022
Q1
$2.7M Hold
214,800
0.01% 1401
2021
Q4
$2.5M Hold
214,800
﹤0.01% 1217
2021
Q3
$2.81M Hold
214,800
0.01% 1210
2021
Q2
$2.76M Hold
214,800
0.01% 1211
2021
Q1
$2.4M Sell
214,800
-12,100
-5% -$128K 0.01% 1198
2020
Q4
$2.58M Sell
226,900
-28,300
-11% -$310K 0.01% 1149
2020
Q3
$2.3M Hold
255,200
0.01% 1140
2020
Q2
$2.63M Buy
255,200
+18,100
+8% +$185K 0.01% 1073
2020
Q1
$2.39M Buy
237,100
+7,300
+3% +$85.8K 0.01% 1021
2019
Q4
$3.06M Sell
229,800
-15,000
-6% -$165K 0.01% 1062
2019
Q3
$2.1M Buy
244,800
+40,400
+20% +$393K 0.01% 1008
2019
Q2
$2.24M Sell
204,400
-19,714
-9% -$221K 0.01% 1003
2019
Q1
$2.54M Sell
224,114
-226,060
-50% -$2.52M 0.01% 955
2018
Q4
$3.91M Sell
450,174
-69,252
-13% -$795K 0.01% 841
2018
Q3
$8.03M Hold
519,426
0.02% 737
2018
Q2
$8.32M Sell
519,426
-170,861
-25% -$2.53M 0.02% 725
2018
Q1
$8.92M Sell
690,287
-320,792
-32% -$4M 0.03% 671
2017
Q4
$12.7M Buy
1,011,079
+138,265
+16% +$1.81M 0.03% 516
2017
Q3
$11.5M Buy
872,814
+131,340
+18% +$1.81M 0.03% 525
2017
Q2
$11.7M Buy
741,474
+442,974
+148% +$6.44M 0.04% 489
2017
Q1
$4.26M Sell
298,500
-35,820
-11% -$490K 0.02% 808
2016
Q4
$4.28M Sell
334,320
-382,080
-53% -$4.83M 0.02% 763
2016
Q3
$9.53M Sell
716,400
-1,205,817
-63% -$14.1M 0.04% 528
2016
Q2
$21M Sell
1,922,217
-967,140
-33% -$9.45M 0.08% 264
2016
Q1
$26.5M Sell
2,889,357
-742,416
-20% -$6.12M 0.1% 210
2015
Q4
$35.3M Sell
3,631,773
-982,297
-21% -$9.49M 0.14% 166
2015
Q3
$40.3M Sell
4,614,070
-1,305,758
-22% -$12.2M 0.16% 141
2015
Q2
$59.8M Buy
5,919,828
+2,208,900
+60% +$25.7M 0.21% 109
2015
Q1
$49.7M Sell
3,710,928
-740,883
-17% -$9.72M 0.17% 138
2014
Q4
$57.1M Sell
4,451,811
-1,367,144
-23% -$15.6M 0.2% 113
2014
Q3
$63.1M Buy
5,818,955
+140,892
+2% +$1.61M 0.23% 86
2014
Q2
$72.9M Sell
5,678,063
-1,844,137
-25% -$20.1M 0.26% 76
2014
Q1
$77.6M Buy
7,522,200
+163,465
+2% +$1.84M 0.3% 66
2013
Q4
$71.6M Buy
7,358,735
+1,030,559
+16% +$9.25M 0.27% 72
2013
Q3
$62.8M Buy
6,328,176
+1,074,600
+20% +$10.5M 0.26% 80
2013
Q2
$43.8M Buy
+5,253,576
New +$63.7M 0.18% 115

Other funds holding IRWD

State of Wisconsin Investment Board's IRWD Position: Q1 2026 in Review

State of Wisconsin Investment Board increased its Ironwood Pharmaceuticals (IRWD) stake by 232% in Q1 2026, buying an estimated $1.71M and bringing the position to 598,159 shares worth $2.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1386.

State of Wisconsin Investment Board first reported a position in IRWD in Q2 2013 and has held it in 50 quarters since. The position peaked at $77.6M in Q1 2014. 227 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.

  • State of Wisconsin Investment Board held 598,159 shares of Ironwood Pharmaceuticals worth $2.1M as of Q1 2026.
  • State of Wisconsin Investment Board bought 418,119 Ironwood Pharmaceuticals shares in Q1 2026, an estimated $1.71M.
  • Ironwood Pharmaceuticals made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1386 holding.
  • State of Wisconsin Investment Board first reported a position in Ironwood Pharmaceuticals in Q2 2013 and has held it in 50 quarters since.
  • State of Wisconsin Investment Board's Ironwood Pharmaceuticals position peaked at $77.6M in Q1 2014.
  • 227 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.