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BLAIR WILLIAM & CO/IL

Position in UNP — Union Pacific Corp

CIK 902367 CHICAGO, IL

Position in UNP

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$124,907,811
+$16,100,898 QoQ
Shares Held
514,829
+9.5% QoQ
Ownership
0.087%
of shares outstanding
% of Portfolio
0.43%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 79.30050560477362.ToString("F0")% Shared 0.ToString("F0")% None 20.699494395226374.ToString("F0")%

Common Shares in UNP Over Time

Shares Held

Position Value (USD)

Position in Railroads

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $222,305,260 across 6 Railroads names. UNP ranks #1 (56.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 UNP
Union Pacific Corp
This page
514,829 $124,907,811

All Filings in UNP

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $124,907,811 514,829
2025-12-31 $108,806,913 470,374
2025-09-30 $114,403,316 484,001
2025-06-30 $114,547,398 497,859
2025-03-31 $122,229,867 517,397
2024-12-31 $126,933,905 556,630
2024-09-30 $147,428,561 598,136
2024-06-30 $135,786,318 600,134
2024-03-31 $129,629,211 527,098
2023-12-31 $129,988,981 529,228
2023-09-30 $106,952,992 525,232
2023-06-30 $109,911,837 537,151
2023-03-31 $104,764,081 520,541
2022-12-31 $111,876,607 540,284
2022-09-30 $106,137,351 544,797
2022-06-30 $111,798,603 524,187
2022-03-31 $149,943,112 548,820
2021-12-31 $135,422,704 537,541
2021-09-30 $104,027,211 530,724
2021-06-30 $107,527,515 488,917
2021-03-31 $106,245,334 482,035
2020-12-31 $98,972,796 475,328
2020-09-30 $94,102,481 477,993
2020-06-30 $79,815,918 472,088
2020-03-31 $64,891,657 460,094