Position in UNP
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$35,665,140
+$30,211,309 QoQ
Shares Held
147,000
+523.5% QoQ
Ownership
0.025%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in UNP Over Time
Shares Held
Position Value (USD)
Derivatives in UNP
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$13,344,100
PutShares
55,000
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 Railroads
Industrials · as of Mar 31, 2026MARSHALL WACE, LLP holds $267,187,480 across 6 Railroads names. UNP ranks #3 (13.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NSC |
Norfolk Southern Corp
|
643,513 | $184,688,231 | |
| 2 | WAB |
Westinghouse Air Brake Technologies Corp
|
155,000 | $38,736,050 | |
| 3 | UNP |
Union Pacific Corp
This page
|
147,000 | $35,665,140 | |
| 4 | RAIL |
FreightCar America, Inc.
|
522,639 | $4,165,432 | |
| 5 | GBX |
Greenbrier Companies Inc
|
64,246 | $3,382,551 | |
| 6 | FSTR |
Foster L B Co
|
19,716 | $550,076 |
All Filings in UNP
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $13,344,100 | 55,000 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $35,665,140 | 147,000 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $5,453,831 | 23,577 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $33,612,523 | 142,203 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $147,623,928 | 641,620 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $61,419,328 | 259,987 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $64,824,930 | 284,270 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $363,845,149 | 1,476,165 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $379,688,715 | 1,678,108 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $110,862,784 | 450,790 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $687,736 | 2,800 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $2,469,623 | 12,128 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $1,391,416 | 6,800 | Put | Other | 2023-08-14 | |
| 2023-06-30 | $1,145,872 | 5,600 | Call | Other | 2023-08-14 | |
| 2023-03-31 | $2,652,204 | 13,178 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $156,854,488 | 757,495 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $124,576,284 | 639,443 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $280,492,418 | 1,315,137 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $51,367,031 | 188,013 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $29,387,130 | 116,648 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $996,710 | 5,085 | Shares | Sole | 2021-11-15 | |
| 2021-03-31 | $2,937,404 | 13,327 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $25,500,286 | 122,468 | Shares | Sole | 2021-02-16 | |
| 2020-06-30 | $54,536,402 | 322,567 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $14,670,275 | 104,015 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||