Rafferty Asset Management, LLC
Position in IRWD — Ironwood Pharmaceuticals Inc
CIK 1389426
New York, NY
Position in IRWD
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$760,346
+$541,832 QoQ
Shares Held
216,623
+234.1% QoQ
Ownership
0.132%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IRWD Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Mar 31, 2026Rafferty Asset Management, LLC holds $27,399,554 across 15 Drug Manufacturers - Specialty & Generic names. IRWD ranks #7 (2.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALKS |
Alkermes plc.
|
162,424 | $5,743,312 | |
| 2 | UTHR |
UNITED THERAPEUTICS Corp
|
8,887 | $5,269,813 | |
| 3 | NBIX |
Neurocrine Biosciences Inc
|
36,232 | $4,773,203 | |
| 4 | ZTS |
Zoetis Inc.
|
33,846 | $4,000,935 | |
| 5 | BCRX |
Biocryst Pharmaceuticals Inc
|
354,260 | $3,372,555 | |
| 6 | VTRS |
Viatris Inc
|
99,502 | $1,344,272 | |
| 7 | IRWD |
Ironwood Pharmaceuticals Inc
This page
|
216,623 | $760,346 | |
| 8 | EBS |
Emergent BioSolutions Inc.
|
85,199 | $707,151 |
All Filings in IRWD
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $760,346 | 216,623 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $218,514 | 64,841 | Shares | Sole | 2026-02-13 | |
| 2024-12-31 | $1,048,722 | 236,732 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,634,255 | 396,664 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $2,505,975 | 384,352 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $8,865,203 | 1,017,819 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $8,028,248 | 701,770 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $8,417,120 | 874,052 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $7,715,819 | 725,171 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $6,545,281 | 622,175 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $8,437,738 | 681,012 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $6,526,530 | 629,974 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,747,065 | 324,984 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $5,764,055 | 458,192 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $5,559,324 | 476,786 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $3,335,719 | 255,415 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $2,861,991 | 222,377 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $3,291,951 | 294,450 | Shares | Sole | 2021-05-10 | |
| 2020-12-31 | $754,325 | 66,227 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $1,750,011 | 194,662 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $912,133 | 88,385 | Shares | Sole | 2020-08-07 | |
| 2020-03-31 | $162,055 | 16,061 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||