Position in MCK
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$64,458,935
-$21,671,515 QoQ
Shares Held
74,488
-29.1% QoQ
Ownership
0.062%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MCK Over Time
Shares Held
Position Value (USD)
Derivatives in MCK
reported options exposure · as of Dec 31, 2025CallValue
$246,087
CallShares
300
PutValue
$57,420,300
PutShares
70,000
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 Medical Distribution
Healthcare · as of Mar 31, 2026MARSHALL WACE, LLP holds $181,307,644 across 3 Medical Distribution names. MCK ranks #2 (35.6% of the industry book) .
All Filings in MCK
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $64,458,935 | 74,488 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $86,130,450 | 105,000 | Shares | Other | 2026-02-13 | |
| 2025-12-31 | $57,420,300 | 70,000 | Put | Other | 2026-02-13 | |
| 2025-12-31 | $246,087 | 300 | Call | Other | 2026-02-13 | |
| 2025-09-30 | $38,627,000 | 50,000 | Put | Other | 2025-11-13 | |
| 2025-09-30 | $309,016 | 400 | Call | Other | 2025-11-13 | |
| 2025-06-30 | $9,175,871 | 12,522 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $263,577,206 | 391,651 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $204,553,235 | 358,922 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $296,652 | 600 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $256,985,192 | 440,013 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $305,645,884 | 569,332 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $211,970,299 | 457,839 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $32,283,698 | 74,241 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $383,182,123 | 896,731 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $266,173,722 | 747,574 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $342,956,460 | 914,258 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $160,460,783 | 472,124 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $220,157,171 | 674,894 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $205,599,968 | 671,610 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $37,044,635 | 149,031 | Shares | Other | 2022-02-14 | |
| 2021-03-31 | $6,500,488 | 33,329 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $31,585,437 | 181,609 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $17,203,648 | 115,515 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $21,258,949 | 138,567 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $9,567,480 | 70,734 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||