AQR CAPITAL MANAGEMENT LLC
Position in IRWD — Ironwood Pharmaceuticals Inc
CIK 1167557
Greenwich, CT
Position in IRWD
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$27,221,524
+$773,398 QoQ
Shares Held
6,465,921
-14.2% QoQ
Ownership
3.91%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#8
of 211 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 94%
Shared 0%
None 6%
Common Shares in IRWD Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026AQR CAPITAL MANAGEMENT LLC holds $1,405,033,456 across 42 Drug Manufacturers - Specialty & Generic names. IRWD ranks #7 (1.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NBIX |
Neurocrine Biosciences Inc
|
3,818,037 | $643,491,951 | |
| 2 | UTHR |
UNITED THERAPEUTICS Corp
|
546,002 | $295,840,259 | |
| 3 | ZTS |
Zoetis Inc.
|
1,070,929 | $76,956,955 | |
| 4 | VTRS |
Viatris Inc
|
4,694,966 | $74,556,056 | |
| 5 | PRGO |
PERRIGO Co plc
|
3,480,666 | $36,164,117 | |
| 6 | LNTH |
Lantheus Holdings, Inc.
|
261,250 | $28,983,071 | |
| 7 | IRWD |
Ironwood Pharmaceuticals Inc
This page
|
6,465,921 | $27,221,524 | |
| 8 | TAK |
Takeda Pharmaceutical Co Ltd
|
1,525,686 | $24,456,745 |
All Filings in IRWD
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $27,221,524 | 6,465,921 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $26,448,126 | 7,535,080 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $15,918,297 | 4,723,531 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $7,045,878 | 5,378,535 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $4,439,256 | 6,165,637 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $3,710,094 | 2,523,875 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $1,758,647 | 396,986 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $2,324,145 | 564,113 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $4,463,447 | 684,578 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $4,091,451 | 469,742 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $935,803 | 81,801 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $1,960,369 | 203,569 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $7,888,910 | 741,439 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $7,160,985 | 680,702 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $8,167,450 | 659,197 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $5,971,379 | 576,388 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $5,219,308 | 452,672 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $5,688,562 | 452,191 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $5,003,667 | 429,131 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $4,405,986 | 337,365 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $5,929,054 | 460,688 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $6,042,488 | 540,473 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $3,933,730 | 345,367 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $2,559,587 | 284,715 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $4,550,304 | 440,921 | Shares | Defined | 2020-08-17 | |
| 2020-03-31 | $2,718,145 | 269,390 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||