Position in BLCO
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$1,163,455
+$147,907 QoQ
Shares Held
70,257
+10.0% QoQ
Ownership
0.020%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#43
of 98 holders
Holding Since
Dec 2022
9 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in BLCO Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Jun 30, 2026MARSHALL WACE, LLP holds $588,908,935 across 29 Medical Instruments & Supplies names. BLCO ranks #24 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AVTR |
Avantor, Inc.
|
13,130,158 | $129,988,562 | |
| 2 | BAX |
Baxter International Inc
|
4,857,267 | $103,556,932 | |
| 3 | ISRG |
Intuitive Surgical Inc
|
110,089 | $43,780,193 | |
| 4 | ALC |
Alcon Inc
|
623,516 | $41,837,923 | |
| 5 | XRAY |
DENTSPLY SIRONA Inc.
|
3,800,116 | $40,319,230 | |
| 6 | RGEN |
Repligen Corp
|
282,107 | $38,490,678 | |
| 7 | ATRC |
AtriCure, Inc.
|
1,333,904 | $37,322,632 | |
| 8 | WST |
West Pharmaceutical Services Inc
|
83,578 | $30,004,502 |
All Filings in BLCO
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,163,455 | 70,257 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $1,015,548 | 63,871 | Shares | Other | 2026-05-15 | |
| 2025-03-31 | $508,166 | 35,046 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $6,762,873 | 374,467 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $8,943,267 | 463,622 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $1,911,180 | 131,624 | Shares | Other | 2024-08-14 | |
| 2023-12-31 | $1,377,680 | 80,755 | Shares | Other | 2024-02-14 | |
| 2023-03-31 | $1,379,568 | 79,240 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $903,379 | 58,245 | Shares | Other | 2023-02-14 | |
| No filing history on record for this holder in this stock. | ||||||