Union Pacific Corporation shares owned by William Blair $ Company
Quarter-by-quarter ownership of Union Pacific Corporation (UNP) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in Union Pacific Corporation
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Quarterly reported holdings in Union Pacific Corporation by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $114M | 484k | 236.37 |
| 2025-06-30 | $115M | 498k | 230.08 |
| 2025-03-31 | $122M | 517k | 236.24 |
| 2024-12-31 | $127M | 557k | 228.04 |
| 2024-09-30 | $147M | 598k | 246.48 |
| 2024-06-30 | $136M | 600k | 226.26 |
| 2024-03-31 | $130M | 527k | 245.93 |
| 2023-12-31 | $130M | 529k | 245.62 |
| 2023-09-30 | $107M | 525k | 203.63 |
| 2023-06-30 | $110M | 537k | 204.62 |
| 2023-03-31 | $105M | 521k | 201.26 |
| 2022-12-31 | $112M | 540k | 207.07 |
| 2022-09-30 | $106M | 545k | 194.82 |
| 2022-06-30 | $112M | 524k | 213.28 |
| 2022-03-31 | $150M | 549k | 273.21 |
| 2021-12-31 | $135M | 538k | 251.93 |
| 2021-09-30 | $104M | 531k | 196.01 |
| 2021-06-30 | $108M | 489k | 219.93 |
| 2021-03-31 | $106M | 482k | 220.41 |
| 2020-12-31 | $99M | 475k | 208.22 |
| 2020-09-30 | $94M | 478k | 196.87 |
| 2020-06-30 | $80M | 472k | 169.07 |
| 2020-03-31 | $65M | 460k | 141.04 |
| 2019-12-31 | $89M | 491k | 180.79 |
| 2019-09-30 | $80M | 491k | 161.98 |
| 2019-06-30 | $84M | 498k | 169.11 |
| 2019-03-31 | $83M | 496k | 167.20 |
| 2018-12-31 | $68M | 490k | 138.23 |
| 2018-09-30 | $81M | 499k | 162.83 |
| 2018-06-30 | $72M | 507k | 141.68 |
| 2018-03-31 | $77M | 569k | 134.43 |
| 2017-12-31 | $79M | 587k | 134.10 |
| 2017-09-30 | $69M | 595k | 115.97 |
| 2017-06-30 | $68M | 626k | 108.91 |
| 2017-03-31 | $66M | 624k | 106.26 |
| 2016-12-31 | $67M | 650k | 103.68 |
| 2016-09-30 | $64M | 656k | 97.53 |
| 2016-06-30 | $57M | 652k | 87.25 |
| 2016-03-31 | $56M | 708k | 79.55 |
| 2015-12-31 | $50M | 633k | 78.20 |
| 2015-09-30 | $57M | 640k | 88.41 |
| 2015-06-30 | $169M | 1.8M | 95.37 |
| 2015-03-31 | $58M | 537k | 108.31 |
| 2014-12-31 | $66M | 553k | 119.13 |
| 2014-09-30 | $132M | 1.2M | 108.42 |
| 2014-06-30 | $136M | 1.4M | 99.75 |
| 2014-03-31 | $136M | 724k | 187.66 |
| 2013-12-31 | $123M | 732k | 168.00 |
| 2013-09-30 | $115M | 741k | 155.34 |
| 2013-06-30 | $185M | 1.2M | 154.28 |
| 2013-03-31 | $168M | 1.2M | 142.41 |
| 2012-12-31 | $144M | 1.1M | 125.72 |
| 2012-09-30 | $124M | 1.0M | 118.70 |
| 2012-06-30 | $100M | 835k | 119.31 |
| 2011-12-31 | $6.1M | 58k | 105.93 |
| 2011-09-30 | $4.7M | 58k | 81.67 |
| 2011-03-31 | $5.9M | 60k | 98.32 |
| 2010-12-31 | $5.7M | 62k | 92.65 |