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
AC
SCM
VPM
VCM
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.