What is CUSIP 907818108?

CUSIP 907818108 is the security identifier used in SEC filing datasets for UNP - UNION PACIFIC CORP - Common Stock.

Who owns UNP - UNION PACIFIC CORP - Common Stock based on 13F filings?

2750 institutions reported positions in UNP - UNION PACIFIC CORP - Common Stock as of Q1 2026. Open the latest holders period and ownership history tables on this page for position-level details.

Security Snapshot

UNION PACIFIC CORP - Common Stock (UNP) Institutional Ownership

CUSIP: 907818108

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

2,750

Shares (Excl. Options)

517,239,093

Price

$242.62

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Security type / class: Equity / Common Stock
Symbol: UNP on NYSE
All holders as of 31 Mar 2026: Q1 2026
Total 13F shares: 517,239,093
Total 13F value: $125,406,915,657
Portfolio coverage rank: 0.1%
Share change: +4,303,305
Value change: +$1,197,697,813
Number of holders: 2,750
Shares outstanding: 593,692,702
SEC-reported price per share: $263.35
Insider filing price: $263.35

13F Shares, Excluding Options vs Price

13F Value, Excluding Options

Total Investors

Key facts

UNP - UNION PACIFIC CORP - Common Stock is tracked under CUSIP 907818108.
2750 institutions reported positions in Q1 2026.
1 significant owner is listed from Schedule 13D/13G reporting.

Change

Holder count moved from 2,723 to 2,750 between Q4 2025 and Q1 2026.
SEC-reported value moved from $119,309,500,140 to $125,406,915,657.

Research use

You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 2750 institutions filings for Q1 2026.

Open SEC evidence

Security key

907818108

Latest holder period

Q1 2026

13F holders

2,750

13D/G owners

CIK / CUSIP context first

Open Q1 2026 holders UNP full holder history UNION PACIFIC CORP SEC filings UNION PACIFIC CORP company facts UNION PACIFIC CORP insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Recent Quarterly Holder Reports

Open recent reporting periods for CUSIP 907818108:

Q1 2026 (2750 holders) Q4 2025 (2723 holders) Q3 2025 (2630 holders) Q2 2025 (2640 holders) Q1 2025 (2665 holders) Q4 2024 (2674 holders) Q3 2024 (2587 holders) Q2 2024 (2543 holders) Q1 2024 (2594 holders) Q4 2023 (2557 holders)

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows

Security

UNP

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
VANGUARD CAPITAL MANAGEMENT LLC	7.6%		$10,875,150,113		44,823,799		Vanguard Capital Management	31 Mar 2026

As of 31 Mar 2026, 2,750 institutional investors reported holding 517,239,093 shares of UNION PACIFIC CORP - Common Stock (UNP). This represents 87% of the company’s total 593,692,702 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share

53%

Institution	Ownership %	Shares Held	Share Change %	Portfolio %	Holdings Value
BlackRock, Inc.	8%	47,778,540	-2.9%	0.2%	$11,592,029,424
VANGUARD CAPITAL MANAGEMENT LLC	6.5%	38,555,904	0%	0.23%	$9,354,433,429
Capital World Investors	4.6%	27,072,234	+34%	0.9%	$6,567,834,344
STATE STREET CORP	4.5%	26,587,866	+0.98%	0.22%	$6,450,748,049
JPMORGAN CHASE & CO	3%	17,642,696	+54%	0.29%	$4,220,662,387
Capital Research Global Investors	2.8%	16,906,409	+54%	0.64%	$4,101,824,145
GEODE CAPITAL MANAGEMENT, LLC	2.7%	15,862,607	+3.3%	0.24%	$3,845,360,634
MORGAN STANLEY	2.5%	14,884,882	+18%	0.22%	$3,611,370,788
BANK OF AMERICA CORP /DE/	2.4%	14,463,071	+17%	0.26%	$3,509,030,499
VANGUARD PORTFOLIO MANAGEMENT LLC	2.4%	14,444,761	0%	0.18%	$3,504,587,914
Invesco Ltd.	1.2%	7,277,360	+5.7%	0.27%	$1,765,633,158
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	1.2%	7,029,932	-7.6%	0.62%	$1,740,906,899
NORTHERN TRUST CORP	1.1%	6,676,592	-1.5%	0.21%	$1,619,874,753
Fisher Asset Management, LLC	1.1%	6,504,065	+1.1%	0.54%	$1,578,016,608
CANADA PENSION PLAN INVESTMENT BOARD	1%	6,084,355	+0.33%	0.95%	$1,476,186,210
FRANKLIN RESOURCES INC	1%	6,059,505	-16%	0.36%	$1,470,157,188
UBS Group AG	0.97%	5,747,295	+16%	0.25%	$1,394,408,713
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.87%	5,183,497	+33%	0.26%	$1,257,620,042
AMERIPRISE FINANCIAL INC	0.87%	5,171,644	+0.5%	0.29%	$1,254,736,919
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	0.83%	4,955,395	-12%	1.1%	$1,202,273,485
ROYAL BANK OF CANADA	0.78%	4,617,313	+0.88%	0.21%	$1,120,251,000
Nuveen, LLC	0.78%	4,614,321	-0.54%	0.3%	$1,119,526,612
RAYMOND JAMES FINANCIAL INC	0.74%	4,398,367	+6.1%	0.33%	$1,066,067,431
Legal & General Group Plc	0.72%	4,299,101	-3.6%	0.24%	$1,043,047,882
DEUTSCHE BANK AG\	0.68%	4,054,641	+5.5%	0.33%	$983,736,999

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods

Latest

Q1 2026

Rows shown

1-25 of 49

Period	13F Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2026 Q1	517,239,093	$125,406,915,657	+$1,197,697,813	$559,407,812	$976,911,733	$242.62	2,750
2025 Q4	515,546,265	$119,309,500,140	+$3,989,940,838	$529,340,088	$1,300,545,340	$231.32	2,723
2025 Q3	495,372,046	$117,047,122,823	+$3,976,223,323	$938,474,420	$1,458,932,667	$236.37	2,630
2025 Q2	479,671,696	$110,381,034,399	+$455,404,886	$798,171,801	$1,258,403,863	$230.08	2,640
2025 Q1	478,572,135	$112,924,928,334	-$1,921,706,484	$785,283,938	$1,156,432,264	$236.24	2,665
2024 Q4	487,393,921	$111,185,966,174	+$191,904,620	$779,550,589	$1,044,026,345	$228.04	2,674
2024 Q3	482,661,836	$118,888,812,108	-$568,675,081	$1,058,204,435	$1,083,951,287	$246.48	2,587
2024 Q2	485,177,563	$109,782,538,710	+$634,757,698	$566,286,158	$873,850,266	$226.26	2,543
2024 Q1	482,517,169	$118,573,588,747	-$1,801,781,194	$743,360,215	$1,051,625,942	$245.93	2,594
2023 Q4	489,061,745	$120,105,448,622	+$885,514,981	$1,350,649,250	$3,320,035,114	$245.62	2,557
2023 Q3	484,644,736	$98,741,093,300	+$1,465,939,678	$1,322,242,106	$2,715,830,348	$203.63	2,383
2023 Q2	477,838,007	$97,812,193,470	-$1,156,627,267	$916,786,287	$2,188,538,526	$204.62	2,398
2023 Q1	481,637,461	$96,933,450,929	-$202,918,523	$1,018,865,514	$2,448,445,582	$201.26	2,353
2022 Q4	488,307,642	$101,114,197,374	+$284,743,698	$1,247,620,728	$1,269,560,449	$207.07	2,398
2022 Q3	486,355,047	$94,844,043,361	-$1,079,710,596	$1,025,474,342	$1,140,103,538	$194.82	2,306
2022 Q2	489,296,920	$104,356,917,570	-$271,017,868	$1,159,576,056	$1,067,293,950	$213.28	2,336
2022 Q1	493,702,860	$134,661,988,514	-$2,983,100,162	$2,328,582,447	$2,402,198,977	$273.21	2,464
2021 Q4	504,372,721	$126,969,662,318	+$933,875,290	$1,632,275,651	$1,329,813,108	$251.93	2,373
2021 Q3	497,718,271	$97,584,639,759	-$1,909,345,678	$1,344,697,000	$1,093,741,000	$196.01	2,121
2021 Q2	509,255,756	$111,928,060,275	-$2,651,537,509	$1,273,297,744	$1,642,932,992	$219.93	2,177
2021 Q1	522,136,581	$115,037,040,701	-$918,665,776	$914,578,000	$1,087,216,000	$220.41	2,180
2020 Q4	527,396,455	$109,744,382,828	-$828,268,469	$1,103,643,018	$1,041,867,296	$208.22	2,129
2020 Q3	531,909,607	$104,655,490,619	-$1,416,014,588	$725,727,095	$1,102,607,164	$196.87	1,995
2020 Q2	538,416,830	$91,032,707,706	-$505,533,656	$617,919,000	$910,644,000	$169.07	1,930
2020 Q1	541,905,268	$76,451,720,044	-$1,472,888,225	$627,270,000	$722,111,000	$141.04	1,833