Position in MASI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$16,125,160
-$12,398,556 QoQ
Shares Held
90,657
-58.7% QoQ
Ownership
0.173%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#86
of 445 holders
Holding Since
Dec 2020
18 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MASI Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026MARSHALL WACE, LLP holds $1,200,961,606 across 58 Medical Devices names. MASI ranks #11 (1.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
3,611,020 | $226,591,504 | |
| 2 | SYK |
Stryker Corp
|
630,236 | $207,089,246 | |
| 3 | ABT |
Abbott Laboratories
|
2,010,938 | $206,463,003 | |
| 4 | EW |
Edwards Lifesciences Corp
|
1,996,377 | $159,869,868 | |
| 5 | PODD |
Insulet Corp
|
606,482 | $127,264,182 | |
| 6 | GMED |
Globus Medical Inc
|
562,630 | $48,476,200 | |
| 7 | TNDM |
Tandem Diabetes Care Inc
|
1,442,472 | $27,652,186 | |
| 8 | HAE |
Haemonetics Corp
|
320,010 | $18,035,762 |
All Filings in MASI
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $16,125,160 | 90,657 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $28,523,716 | 219,312 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $19,789,700 | 134,122 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $1,212,529 | 7,208 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $1,828,268 | 10,974 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $2,196,671 | 13,289 | Shares | Other | 2025-02-13 | |
| 2024-06-30 | $11,938,860 | 94,798 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $13,246,897 | 90,207 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $22,158,902 | 189,053 | Shares | Other | 2024-02-14 | |
| 2023-06-30 | $2,451,630 | 14,899 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $2,940,091 | 15,932 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $8,081,324 | 54,622 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $4,391,910 | 31,113 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $37,998,574 | 290,798 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $140,896,399 | 968,094 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $33,084 | 113 | Shares | Other | 2022-02-14 | |
| 2021-03-31 | $705,974 | 3,074 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $723,820 | 2,697 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||