Position in DHR
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$493,152
-$1,497,648 QoQ
Shares Held
2,589
-75.3% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#1,367
of 2,098 holders
Holding Since
Jun 2020
23 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in DHR Over Time
Shares Held
Position Value (USD)
Derivatives in DHR
reported options exposure · as of Mar 31, 2026CallValue
$18,960
CallShares
100
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026MARSHALL WACE, LLP holds $872,920,182 across 27 Diagnostics & Research names. DHR ranks #22 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WAT |
Waters Corp /De/
|
581,332 | $218,022,752 | |
| 2 | QGEN |
Qiagen N.V.
|
3,491,480 | $136,516,866 | |
| 3 | MTD |
Mettler Toledo International Inc/
|
76,977 | $98,338,886 | |
| 4 | CRL |
Charles River Laboratories International, Inc.
|
342,995 | $77,787,835 | |
| 5 | DGX |
Quest Diagnostics Inc
|
269,760 | $57,175,631 | |
| 6 | IDXX |
Idexx Laboratories Inc /De
|
93,128 | $49,026,303 | |
| 7 | TWST |
Twist Bioscience Corp
|
396,912 | $40,834,306 | |
| 8 | NTRA |
Natera, Inc.
|
131,663 | $35,739,920 |
All Filings in DHR
Export CSV
27 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $493,152 | 2,589 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $1,990,800 | 10,500 | Shares | Other | 2026-05-15 | |
| 2026-03-31 | $18,960 | 100 | Call | Other | 2026-05-15 | |
| 2025-09-30 | $79,304,000 | 400,000 | Put | Other | 2025-11-13 | |
| 2025-06-30 | $166,908,261 | 844,934 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $739,229,180 | 3,605,996 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $102,301,022 | 445,659 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $304,546,165 | 1,095,411 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $476,836,724 | 1,908,492 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $729,472,573 | 2,921,162 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $411,317,892 | 1,777,980 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $584,663,009 | 2,356,562 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $263,541,652 | 1,098,090 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $343,941,823 | 1,364,632 | Shares | Other | 2023-05-15 | |
| 2023-03-31 | $11,669,451 | 46,300 | Put | Other | 2023-05-15 | |
| 2022-12-31 | $211,459,831 | 796,699 | Shares | Other | 2023-02-14 | |
| 2022-12-31 | $3,689,337 | 13,900 | Put | Other | 2023-02-14 | |
| 2022-12-31 | $2,972,703 | 11,200 | Call | Other | 2023-02-14 | |
| 2022-09-30 | $22,242,643 | 86,115 | Shares | Other | 2022-11-14 | |
| 2022-03-31 | $20,424,272 | 69,629 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $109,511,624 | 332,852 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $41,851,668 | 137,471 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $131,724,236 | 490,849 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $30,756,955 | 136,649 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $86,247,621 | 388,258 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $22,854,696 | 106,138 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $56,164,750 | 317,620 | Shares | Sole | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||