WELLINGTON MANAGEMENT GROUP LLP

Position in UNP — Union Pacific Corp

CIK 902219 Boston, MA

Back to UNP Full portfolio

Position in UNP

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$76,474,307

+$8,922,161 QoQ

Shares Held

315,202

+7.9% QoQ

Ownership

0.053%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 90.83603530434452.ToString("F0")% None 9.163964695655483.ToString("F0")%

Common Shares in UNP Over Time

Shares Held

Position Value (USD)

Position in Railroads

Industrials · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $1,915,242,000 across 6 Railroads names. UNP ranks #3 (4.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CNI	Canadian National Railway Co	11,523,186	$1,184,237,821
2	WAB	Westinghouse Air Brake Technologies Corp	2,509,912	$627,252,106
3	UNP	Union Pacific Corp This page	315,202	$76,474,307
4	CSX	Csx Corp	244,260	$10,026,871
5	CP	Canadian Pacific Kansas City Ltd/Cn	110,030	$8,654,958
6	NSC	Norfolk Southern Corp	29,951	$8,595,937

All Filings in UNP

Export CSV

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$76,474,307	315,202	+7.9%	Shares	Defined	2026-05-15
2025-12-31	$67,552,146	292,029	-78.4%	Shares	Defined	2026-02-17
2025-09-30	$318,896,928	1,349,143	-75.1%	Shares	Defined	2025-11-14
2025-06-30	$1,245,432,240	5,413,040	-0.4%	Shares	Defined	2025-08-14
2025-03-31	$1,284,116,301	5,435,643	-6.1%	Shares	Defined	2025-05-13
2024-12-31	$1,320,052,409	5,788,688	-12.7%	Shares	Defined	2025-02-12
2024-09-30	$1,634,129,863	6,629,868	-1.1%	Shares	Defined	2024-11-14
2024-06-30	$1,517,037,322	6,704,841	-1.3%	Shares	Defined	2024-08-14
2024-03-31	$1,670,188,096	6,791,315	-3.4%	Shares	Defined	2024-05-15
2023-12-31	$1,727,497,037	7,033,210	-3.1%	Shares	Defined	2024-02-12
2023-09-30	$1,478,648,857	7,261,449	+0.3%	Shares	Defined	2023-11-14
2023-06-30	$1,481,920,242	7,242,304	-3.4%	Shares	Defined	2023-08-14
2023-03-31	$1,508,119,065	7,493,387	-2.6%	Shares	Defined	2023-05-12
2022-12-31	$1,592,735,846	7,691,775	-7.9%	Shares	Defined	2023-02-13
2022-09-30	$1,627,309,248	8,352,886	-0.3%	Shares	Defined	2022-11-14
2022-06-30	$1,787,519,938	8,381,095	-3.7%	Shares	Defined	2022-08-15
2022-03-31	$2,378,254,252	8,704,858	-39.8%	Shares	Defined	2022-05-16
2021-12-31	$3,642,394,113	14,457,961	-8.9%	Shares	Defined	2022-02-11
2021-09-30	$3,112,428,675	15,878,928	-9.9%	Shares	Defined	2021-11-15
2021-06-30	$3,874,318,548	17,616,144	-11.0%	Shares	Defined	2021-08-16
2021-03-31	$4,360,653,372	19,784,281	-5.7%	Shares	Defined	2021-05-17
2020-12-31	$4,368,617,176	20,980,776	-5.6%	Shares	Defined	2021-02-12
2020-09-30	$4,376,224,999	22,229,009	-5.0%	Shares	Defined	2020-11-16
2020-06-30	$3,954,023,349	23,386,901	-3.8%	Shares	Defined	2020-08-14
2020-03-31	$3,427,489,762	24,301,544	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.