BlackRock’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
$46.9M Buy
13,362,930
+578,124
+5% +$2.37M ﹤0.01% 2541
2025
Q4
$43.1M Buy
12,784,806
+722,248
+6% +$1.88M ﹤0.01% 2621
2025
Q3
$15.8M Buy
12,062,558
+39,560
+0.3% +$40.9K ﹤0.01% 3230
2025
Q2
$8.62M Buy
12,022,998
+144,074
+1% +$113K ﹤0.01% 3482
2025
Q1
$17.5M Sell
11,878,924
-11,158,411
-48% -$26.6M ﹤0.01% 3016
2024
Q4
$102M Buy
23,037,335
+117,478
+0.5% +$477K ﹤0.01% 2071
2024
Q3
$94.4M Buy
22,919,857
+42,842
+0.2% +$230K ﹤0.01% 2123
2024
Q2
$149M Sell
22,877,015
-1,280,753
-5% -$9.06M ﹤0.01% 1791
2024
Q1
$210M Sell
24,157,768
-1,822,540
-7% -$22.1M ﹤0.01% 1609
2023
Q4
$297M Buy
25,980,308
+746,046
+3% +$7.38M 0.01% 1375
2023
Q3
$243M Sell
25,234,262
-570,313
-2% -$5.59M 0.01% 1412
2023
Q2
$275M Buy
25,804,575
+486,665
+2% +$5.23M 0.01% 1355
2023
Q1
$266M Sell
25,317,910
-455,471
-2% -$5.1M 0.01% 1346
2022
Q4
$319M Buy
25,773,381
+803,283
+3% +$9.11M 0.01% 1198
2022
Q3
$259M Sell
24,970,098
-1,920,122
-7% -$21.8M 0.01% 1287
2022
Q2
$310M Buy
26,890,220
+12,353,461
+85% +$146M 0.01% 1203
2022
Q1
$183M Buy
14,536,759
+167,869
+1% +$1.92M ﹤0.01% 1737
2021
Q4
$168M Buy
14,368,890
+1,897,115
+15% +$23.3M ﹤0.01% 1873
2021
Q3
$163M Buy
12,471,775
+920,868
+8% +$11.9M ﹤0.01% 1870
2021
Q2
$149M Sell
11,550,907
-1,797,657
-13% -$20.6M ﹤0.01% 1990
2021
Q1
$149M Buy
13,348,564
+303,914
+2% +$3.21M ﹤0.01% 1928
2020
Q4
$149M Sell
13,044,650
-1,044,534
-7% -$11.4M ﹤0.01% 1825
2020
Q3
$127M Sell
14,089,184
-378,996
-3% -$3.77M ﹤0.01% 1732
2020
Q2
$149M Buy
14,468,180
+1,127,914
+8% +$11.5M 0.01% 1570
2020
Q1
$135M Sell
13,340,266
-201,279
-1% -$2.37M 0.01% 1441
2019
Q4
$180M Buy
13,541,545
+85,962
+0.6% +$948K 0.01% 1584
2019
Q3
$116M Buy
13,455,583
+725,264
+6% +$7.05M ﹤0.01% 1813
2019
Q2
$139M Sell
12,730,319
-1,633,696
-11% -$18.3M 0.01% 1688
2019
Q1
$163M Sell
14,364,015
-343,158
-2% -$3.83M 0.01% 1560
2018
Q4
$128M Buy
14,707,173
+141,992
+1% +$1.63M 0.01% 1635
2018
Q3
$225M Buy
14,565,181
+468,871
+3% +$7.41M 0.01% 1399
2018
Q2
$226M Buy
14,096,310
+677,628
+5% +$10M 0.01% 1365
2018
Q1
$173M Sell
13,418,682
-553,563
-4% -$6.9M 0.01% 1470
2017
Q4
$175M Sell
13,972,245
-204,002
-1% -$2.66M 0.01% 1484
2017
Q3
$187M Buy
14,176,247
+370,055
+3% +$5.09M 0.01% 1408
2017
Q2
$218M Buy
13,806,192
+232,425
+2% +$3.38M 0.01% 1228
2017
Q1
$194M Buy
13,573,767
+13,538,905
+38,836% +$185M 0.01% 1326
2016
Q4
$446K Buy
34,862
+12,743
+58% +$161K ﹤0.01% 1755
2016
Q3
$294K Buy
22,119
+5,034
+29% +$58.9K ﹤0.01% 1959
2016
Q2
$187K Buy
17,085
+6,461
+61% +$63.1K ﹤0.01% 2140
2016
Q1
$97K Buy
10,624
+3,164
+42% +$26.1K ﹤0.01% 2008
2015
Q4
$72K Buy
7,460
+3,353
+82% +$32.4K ﹤0.01% 1882
2015
Q3
$36K Hold
4,107
﹤0.01% 2063
2015
Q2
$41K Sell
4,107
-243
-6% -$2.82K ﹤0.01% 2053
2015
Q1
$58K Hold
4,350
﹤0.01% 1889
2014
Q4
$56K Hold
4,350
﹤0.01% 1902
2014
Q3
$47K Hold
4,350
﹤0.01% 1935
2014
Q2
$56K Buy
4,350
+114
+3% +$1.24K ﹤0.01% 1889
2014
Q1
$43K Sell
4,236
-30,643
-88% -$345K ﹤0.01% 1977
2013
Q4
$339K Hold
34,879
﹤0.01% 1469
2013
Q3
$346K Hold
34,879
﹤0.01% 1352
2013
Q2
$290K Buy
+34,879
New +$423K ﹤0.01% 1382

Other funds holding IRWD

BlackRock's IRWD Position: Q1 2026 in Review

BlackRock increased its Ironwood Pharmaceuticals (IRWD) stake by 4.5% in Q1 2026, buying an estimated $2.37M and bringing the position to 13,362,930 shares worth $46.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2541.

BlackRock first reported a position in IRWD in Q2 2013 and has held it in 52 quarters since. The position peaked at $319M in Q4 2022. 226 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.

  • BlackRock held 13,362,930 shares of Ironwood Pharmaceuticals worth $46.9M as of Q1 2026.
  • BlackRock bought 578,124 Ironwood Pharmaceuticals shares in Q1 2026, an estimated $2.37M.
  • Ironwood Pharmaceuticals made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #2541 holding.
  • BlackRock first reported a position in Ironwood Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • BlackRock's Ironwood Pharmaceuticals position peaked at $319M in Q4 2022.
  • 226 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.