Position in EFX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$23,083,713
+$10,165,159 QoQ
Shares Held
128,193
+115.3% QoQ
Ownership
0.109%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
20 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in EFX Over Time
Shares Held
Position Value (USD)
Derivatives in EFX
reported options exposure · as of Dec 31, 2025CallValue
$86,792
CallShares
400
PutValue
$1,410,370
PutShares
6,500
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 Consulting Services
Industrials · as of Mar 31, 2026MARSHALL WACE, LLP holds $33,624,542 across 5 Consulting Services names. EFX ranks #1 (68.7% of the industry book) .
All Filings in EFX
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $23,083,713 | 128,193 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $1,410,370 | 6,500 | Put | Other | 2026-02-13 | |
| 2025-12-31 | $12,918,554 | 59,538 | Shares | Other | 2026-02-13 | |
| 2025-12-31 | $86,792 | 400 | Call | Other | 2026-02-13 | |
| 2025-09-30 | $25,653 | 100 | Put | Other | 2025-11-13 | |
| 2025-09-30 | $75,162,776 | 292,998 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $21,886,417 | 84,383 | Shares | Other | 2025-08-13 | |
| 2024-12-31 | $136,699,756 | 536,393 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $331,188,447 | 1,127,028 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $254,876,375 | 1,051,210 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $298,880,566 | 1,117,227 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $261,418,665 | 1,057,134 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $105,984,466 | 578,581 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $188,418,591 | 800,759 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $51,214,665 | 252,488 | Shares | Other | 2023-05-15 | |
| 2022-06-30 | $1,656,535 | 9,063 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $2,298,921 | 9,696 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $2,301,036 | 7,859 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $7,328,652 | 28,919 | Shares | Sole | 2021-11-15 | |
| 2020-12-31 | $464,744 | 2,410 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $543,030 | 3,461 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $5,871,248 | 34,159 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $792,789 | 6,637 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||