Position in IRWD
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$18,061,290
+$2,178,316 QoQ
Shares Held
4,290,093
-5.2% QoQ
Ownership
2.60%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#13
of 212 holders
Holding Since
Mar 2020
15 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in IRWD Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026MARSHALL WACE, LLP holds $609,159,561 across 30 Drug Manufacturers - Specialty & Generic names. IRWD ranks #9 (3.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HIMS |
Hims & Hers Health, Inc.
|
4,217,767 | $146,229,981 | |
| 2 | ELAN |
Elanco Animal Health Inc
|
4,432,350 | $109,080,132 | |
| 3 | LNTH |
Lantheus Holdings, Inc.
|
773,978 | $85,865,119 | |
| 4 | ALKS |
Alkermes plc.
|
969,954 | $50,825,589 | |
| 5 | NBIX |
Neurocrine Biosciences Inc
|
270,754 | $45,632,878 | |
| 6 | RDY |
Dr Reddys Laboratories Ltd
|
2,025,356 | $29,347,408 | |
| 7 | AMPH |
Amphastar Pharmaceuticals, Inc.
|
1,066,322 | $21,518,377 | |
| 8 | ZTS |
Zoetis Inc.
|
257,470 | $18,501,794 |
All Filings in IRWD
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $18,061,290 | 4,290,093 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $15,882,974 | 4,525,064 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $14,908,886 | 4,424,002 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $4,118,821 | 3,144,139 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $2,875,361 | 3,993,557 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $819,555 | 557,521 | Shares | Other | 2025-05-15 | |
| 2024-06-30 | $1,416,261 | 217,218 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $4,986,475 | 572,500 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $3,292,660 | 287,820 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $1,422,784 | 147,745 | Shares | Other | 2023-11-14 | |
| 2021-06-30 | $5,390,856 | 418,870 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $149,253 | 13,350 | Shares | Sole | 2021-05-17 | |
| 2020-09-30 | $1,565,015 | 174,084 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $1,162,486 | 112,644 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $1,698,106 | 168,296 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||