AQR CAPITAL MANAGEMENT LLC
Position in IRWD — Ironwood Pharmaceuticals Inc
CIK 1167557
Greenwich, CT
Position in IRWD
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$26,448,126
+$10,529,829 QoQ
Shares Held
7,535,080
+59.5% QoQ
Ownership
4.58%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 93.30545926519692.ToString("F0")%
Shared 0.ToString("F0")%
None 6.694540734803081.ToString("F0")%
Common Shares in IRWD Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Mar 31, 2026AQR CAPITAL MANAGEMENT LLC holds $1,491,893,072 across 43 Drug Manufacturers - Specialty & Generic names. IRWD ranks #5 (1.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NBIX |
Neurocrine Biosciences Inc
|
4,938,967 | $650,659,508 | |
| 2 | UTHR |
UNITED THERAPEUTICS Corp
|
826,226 | $489,935,489 | |
| 3 | VTRS |
Viatris Inc
|
6,341,318 | $85,671,200 | |
| 4 | ZTS |
Zoetis Inc.
|
607,950 | $71,865,765 | |
| 5 | IRWD |
Ironwood Pharmaceuticals Inc
This page
|
7,535,080 | $26,448,126 | |
| 6 | KNSA |
Kiniksa Pharmaceuticals International, plc
|
378,697 | $18,234,258 | |
| 7 | TAK |
Takeda Pharmaceutical Co Ltd
|
894,423 | $16,564,712 | |
| 8 | ALKS |
Alkermes plc.
|
383,977 | $13,577,424 |
All Filings in IRWD
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||