CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in IRWD — Ironwood Pharmaceuticals Inc
CIK 884546
SAN FRANCISCO, CA
Position in IRWD
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$13,902,438
-$2,727,440 QoQ
Shares Held
3,302,242
-30.3% QoQ
Ownership
2.00%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#16
of 212 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IRWD Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $1,705,244,386 across 43 Drug Manufacturers - Specialty & Generic names. IRWD ranks #20 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ZTS |
Zoetis Inc.
|
4,003,981 | $287,726,073 | |
| 2 | VTRS |
Viatris Inc
|
13,567,342 | $215,449,390 | |
| 3 | NBIX |
Neurocrine Biosciences Inc
|
974,279 | $164,204,982 | |
| 4 | UTHR |
UNITED THERAPEUTICS Corp
|
297,162 | $161,011,285 | |
| 5 | ALKS |
Alkermes plc.
|
2,335,117 | $122,360,130 | |
| 6 | ELAN |
Elanco Animal Health Inc
|
3,553,213 | $87,444,571 | |
| 7 | HIMS |
Hims & Hers Health, Inc.
|
2,453,787 | $85,072,795 | |
| 8 | LNTH |
Lantheus Holdings, Inc.
|
665,457 | $73,825,799 |
All Filings in IRWD
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $13,902,438 | 3,302,242 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $16,629,878 | 4,737,857 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $16,768,914 | 4,975,939 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $6,441,710 | 4,917,336 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $2,638,278 | 3,664,276 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $3,891,112 | 2,647,015 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $8,785,753 | 1,983,240 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $7,845,596 | 1,904,271 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $10,037,083 | 1,539,430 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $12,127,830 | 1,392,403 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $14,742,190 | 1,288,653 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $11,852,546 | 1,230,794 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $14,595,611 | 1,371,768 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $15,850,389 | 1,506,691 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $13,483,690 | 1,088,272 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $10,556,197 | 1,018,938 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $12,968,229 | 1,124,738 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $17,966,516 | 1,428,181 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $17,064,305 | 1,463,491 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $18,807,510 | 1,440,085 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $15,201,889 | 1,181,188 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $13,301,908 | 1,189,795 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $13,149,139 | 1,154,446 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $10,266,409 | 1,141,981 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $11,404,353 | 1,105,073 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $9,945,491 | 985,678 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||