Two Sigma Investments’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 | $20.5M | Buy |
5,848,276
+2,995,071
| +105% | +$12.3M | 0.02% | 932 |
|
|
2025
Q4 | $9.62M | Buy |
2,853,205
+318,694
| +13% | +$828K | 0.01% | 1149 |
|
|
2025
Q3 | $3.32M | Sell |
2,534,511
-216,062
| -8% | -$224K | ﹤0.01% | 1777 |
|
|
2025
Q2 | $1.97M | Buy |
2,750,573
+1,523,377
| +124% | +$1.2M | ﹤0.01% | 1838 |
|
|
2025
Q1 | $1.8M | Buy |
1,227,196
+363,768
| +42% | +$866K | ﹤0.01% | 1800 |
|
|
2024
Q4 | $3.82M | Sell |
863,428
-27,535
| -3% | -$112K | 0.01% | 1269 |
|
|
2024
Q3 | $3.67M | Sell |
890,963
-26,631
| -3% | -$143K | 0.01% | 1258 |
|
|
2024
Q2 | $5.98M | Sell |
917,594
-270,639
| -23% | -$1.91M | 0.01% | 932 |
|
|
2024
Q1 | $10.3M | Buy |
1,188,233
+602,386
| +103% | +$7.31M | 0.02% | 645 |
|
|
2023
Q4 | $6.7M | Sell |
585,847
-808,316
| -58% | -$8M | 0.02% | 845 |
|
|
2023
Q3 | $13.4M | Sell |
1,394,163
-1,255,487
| -47% | -$12.3M | 0.04% | 501 |
|
|
2023
Q2 | $28.2M | Buy |
2,649,650
+1,125,429
| +74% | +$12.1M | 0.07% | 333 |
|
|
2023
Q1 | $16M | Sell |
1,524,221
-60,465
| -4% | -$677K | 0.05% | 432 |
|
|
2022
Q4 | $19.6M | Buy |
1,584,686
+1,418,429
| +853% | +$16.1M | 0.06% | 361 |
|
|
2022
Q3 | $1.72M | Sell |
166,257
-693,237
| -81% | -$7.86M | 0.01% | 1214 |
|
|
2022
Q2 | $9.91M | Sell |
859,494
-29,394
| -3% | -$346K | 0.03% | 526 |
|
|
2022
Q1 | $11.2M | Buy |
+888,888
| New | +$10.2M | 0.03% | 572 |
|
|
2021
Q4 | – | Sell |
-338,634
| Closed | -$4.42M | – | 4559 |
|
|
2021
Q3 | $4.42M | Buy |
338,634
+86,718
| +34% | +$1.12M | 0.01% | 1323 |
|
|
2021
Q2 | $3.24M | Sell |
251,916
-209,671
| -45% | -$2.4M | 0.01% | 1495 |
|
|
2021
Q1 | $5.16M | Sell |
461,587
-231,368
| -33% | -$2.44M | 0.01% | 1027 |
|
|
2020
Q4 | $7.89M | Buy |
692,955
+554,689
| +401% | +$6.07M | 0.02% | 694 |
|
|
2020
Q3 | $1.24M | Buy |
+138,266
| New | +$1.37M | ﹤0.01% | 1609 |
|
|
2020
Q2 | – | Sell |
-261,449
| Closed | -$2.64M | – | 3222 |
|
|
2020
Q1 | $2.64M | Sell |
261,449
-1,229,658
| -82% | -$14.5M | 0.02% | 821 |
|
|
2019
Q4 | $19.8M | Buy |
1,491,107
+995,225
| +201% | +$11M | 0.06% | 379 |
|
|
2019
Q3 | $4.26M | Buy |
495,882
+269,297
| +119% | +$2.62M | 0.01% | 950 |
|
|
2019
Q2 | $2.48M | Sell |
226,585
-797,761
| -78% | -$8.94M | 0.01% | 1302 |
|
|
2019
Q1 | $11.6M | Buy |
1,024,346
+809,800
| +377% | +$9.04M | 0.04% | 600 |
|
|
2018
Q4 | $1.86M | Buy |
214,546
+83,589
| +64% | +$959K | 0.01% | 1278 |
|
|
2018
Q3 | $2.02M | Buy |
+130,957
| New | +$2.07M | 0.01% | 1478 |
|
|
2017
Q3 | – | Sell |
-164,796
| Closed | -$2.61M | – | 2965 |
|
|
2017
Q2 | $2.61M | Sell |
164,796
-255,188
| -61% | -$3.71M | 0.01% | 1242 |
|
|
2017
Q1 | $6M | Buy |
419,984
+141,402
| +51% | +$1.93M | 0.02% | 839 |
|
|
2016
Q4 | $3.57M | Buy |
278,582
+69,111
| +33% | +$873K | 0.01% | 1060 |
|
|
2016
Q3 | $2.79M | Sell |
209,471
-192,804
| -48% | -$2.25M | 0.01% | 1228 |
|
|
2016
Q2 | $4.41M | Buy |
402,275
+264,146
| +191% | +$2.58M | 0.02% | 826 |
|
|
2016
Q1 | $1.27M | Sell |
138,129
-144,761
| -51% | -$1.19M | 0.01% | 1463 |
|
|
2015
Q4 | $2.75M | Buy |
+282,890
| New | +$2.73M | 0.01% | 925 |
|
|
2015
Q3 | – | Sell |
-152,358
| Closed | -$1.54M | – | 2454 |
|
|
2015
Q2 | $1.54M | Buy |
+152,358
| New | +$1.77M | 0.01% | 1363 |
|
|
2014
Q2 | – | Sell |
-14,342
| Closed | -$148K | – | 2243 |
|
|
2014
Q1 | $148K | Buy |
14,342
+770
| +6% | +$8.66K | ﹤0.01% | 1846 |
|
|
2013
Q4 | $132K | Sell |
13,572
-1,152
| -8% | -$10.3K | ﹤0.01% | 2062 |
|
|
2013
Q3 | $146K | Sell |
14,724
-5,701
| -28% | -$55.9K | ﹤0.01% | 1706 |
|
|
2013
Q2 | $170K | Buy |
+20,425
| New | +$248K | ﹤0.01% | 1809 |
|
Other funds holding IRWD
AC
SCM
VPM
VCM
Two Sigma Investments's IRWD Position: Q1 2026 in Review
Two Sigma Investments increased its Ironwood Pharmaceuticals (IRWD) stake by 105% in Q1 2026, buying an estimated $12.3M and bringing the position to 5,848,276 shares worth $20.5M. The position accounts for 0.02% of the portfolio, ranked #932.
Two Sigma Investments first reported a position in IRWD in Q2 2013 and has held it in 41 quarters since. The position peaked at $28.2M in Q2 2023. 226 funds tracked by Wall St. Rank hold IRWD as of Q1 2026.
- Two Sigma Investments held 5,848,276 shares of Ironwood Pharmaceuticals worth $20.5M as of Q1 2026.
- Two Sigma Investments bought 2,995,071 Ironwood Pharmaceuticals shares in Q1 2026, an estimated $12.3M.
- Ironwood Pharmaceuticals made up 0.02% of Two Sigma Investments's portfolio in Q1 2026, its #932 holding.
- Two Sigma Investments first reported a position in Ironwood Pharmaceuticals in Q2 2013 and has held it in 41 quarters since.
- Two Sigma Investments's Ironwood Pharmaceuticals position peaked at $28.2M in Q2 2023.
- 226 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q1 2026.
Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.