Union Pacific Corporation
US ˙ NYSE ˙ US9078181081

SecurityUNP / Union Pacific Corporation
InstitutionWoodstock Corp
Latest Disclosed Ownership990 shares
Latest Disclosed Value $ 240,194
Woodstock Corp reports 5.26% decrease in ownership of UNP / Union Pacific Corporation

On April 8, 2026 - Woodstock Corp filed a 13F-HR form disclosing ownership of 990 shares of Union Pacific Corporation (US:UNP) valued at $240,194 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 14, 2026 disclosing 1,045 shares of Union Pacific Corporation. This represents a change in shares of -5.26% during the quarter. The current value of the position is $259,509 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-04-08 2026-03-31 13F Union Pacific COMMON STOCK 907818108 990 -55 -5.26 240 -0.41 0.0214
2026-01-14 2025-12-31 13F Union Pacific COMMON STOCK 907818108 1,045 0 0.00 242 -2.43 0.0207
2025-10-07 2025-09-30 13F Union Pacific COMMON STOCK 907818108 1,045 0 0.00 247 2.92 0.0214
2025-07-09 2025-06-30 13F Union Pacific COMMON STOCK 907818108 1,045 -400 -27.68 240 -29.62 0.0221
2025-04-09 2025-03-31 13F Union Pacific COMMON STOCK 907818108 1,445 -227 -13.58 341 -10.50 0.0337
2025-01-15 2024-12-31 13F Union Pacific COMMON STOCK 907818108 1,672 0 0.00 381 -7.52 0.0367
2024-10-11 2024-09-30 13F Union Pacific COMMON STOCK 907818108 1,672 -100 -5.64 412 3.00 0.0397
2024-07-08 2024-06-30 13F Union Pacific COMMON STOCK 907818108 1,772 -858 -32.62 401 -38.08 0.0408
2024-04-09 2024-03-31 13F Union Pacific COMMON STOCK 907818108 2,630 -52 -1.94 647 -1.82 0.0670
2024-01-08 2023-12-31 13F Union Pacific COMMON STOCK 907818108 2,682 -15 -0.56 659 19.85 0.0763
2023-10-10 2023-09-30 13F Union Pacific COMMON STOCK 907818108 2,697 0 0.00 549 -0.36 0.0689
2023-07-07 2023-06-30 13F Union Pacific COMMON STOCK 907818108 2,697 -17 -0.63 552 0.92 0.0651
2023-04-06 2023-03-31 13F Union Pacific COMMON STOCK 907818108 2,714 -62 -2.23 546 -4.88 0.0697
2023-01-10 2022-12-31 13F Union Pacific COMMON STOCK 907818108 2,776 -40 -1.42 575 4.55 0.0764
2022-10-11 2022-09-30 13F Union Pacific COMMON STOCK 907818108 2,816 -76 -2.63 549 -11.02 0.0817
2022-07-11 2022-06-30 13F Union Pacific COMMON STOCK 907818108 2,892 -178 -5.80 617 -26.46 0.0856
2022-04-07 2022-03-31 13F Union Pacific COMMON STOCK 907818108 3,070 -276 -8.25 839 -0.47 0.0982
2022-01-07 2021-12-31 13F Union Pacific COMMON STOCK 907818108 3,346 -6 -0.18 843 28.31 0.0883
2021-10-05 2021-09-30 13F Union Pacific COMMON STOCK 907818108 3,352 0 0.00 657 -10.85 0.0766
2021-07-06 2021-06-30 13F Union Pacific COMMON STOCK 907818108 3,352 0 0.00 737 -0.27 0.0867
2021-04-05 2021-03-31 13F Union Pacific COMMON STOCK 907818108 3,352 36 1.09 739 7.10 0.0940
2021-01-06 2020-12-31 13F Union Pacific COMMON STOCK 907818108 3,316 1,371 70.49 690 80.16 0.0924
2020-10-02 2020-09-30 13F Union Pacific COMMON STOCK 907818108 1,945 -320 -14.13 383 0.00 0.0619
2020-07-07 2020-06-30 13F Union Pacific COMMON STOCK 907818108 2,265 15 0.67 383 20.82 0.0653
2020-04-03 2020-03-31 13F Union Pacific COMMON STOCK 907818108 2,250 230 11.39 317 -13.15 0.0646
2020-01-13 2019-12-31 13F Union Pacific COMMON STOCK 907818108 2,020 0 0.00 365 11.62 0.0594
2019-10-02 2019-09-30 13F Union Pacific COMMON STOCK 907818108 2,020 0 0.00 327 -4.39 0.0570
2019-07-03 2019-06-30 13F Union Pacific COMMON STOCK 907818108 2,020 0 0.00 342 1.18 0.0597
2019-04-05 2019-03-31 13F Union Pacific COMMON STOCK 907818108 2,020 0 0.00 338 21.15 0.0606
2019-01-08 2018-12-31 13F Union Pacific COMMON STOCK 907818108 2,020 0 0.00 279 -15.20 0.0560
2018-10-03 2018-09-30 13F Union Pacific COMMON STOCK 907818108 2,020 0 0.00 329 15.03 0.0556
2018-07-23 2018-06-30 13F Union Pacific COMMON STOCK 907818108 2,020 -450 -18.22 286 -13.86 0.0526
2018-04-19 2018-03-31 13F Union Pacific COMMON STOCK 907818108 2,470 200 8.81 332 9.21 0.0628
2018-01-24 2017-12-31 13F Union Pacific COMMON STOCK 907818108 2,270 2,270 304 0.0561
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.