UNION PAC CORP UNP
COM · Common Stock · CUSIP 907818108 · ISIN US9078181081
American railroad company
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($800.2m this quarter). Holder counts are more reliable. Shares outstanding: 594.1m as of 2026-07-17, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $271.83. Options: 45 managers hold calls ($1.3bn notional), 38 hold puts ($874.3m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 2,329 |
| Q4 2022 | 2,420 |
| Q1 2023 | 2,379 |
| Q2 2023 | 2,417 |
| Q3 2023 | 2,403 |
| Q4 2023 | 2,581 |
| Q1 2024 | 2,617 |
| Q2 2024 | 2,574 |
| Q3 2024 | 2,616 |
| Q4 2024 | 2,701 |
| Q1 2025 | 2,703 |
| Q2 2025 | 2,671 |
| Q3 2025 | 2,655 |
| Q4 2025 | 2,743 |
| Q1 2026 | 2,779 |
| Q2 2026 | 2,879 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 1,168 | 1,084 |
| Q4 2024 | 1,088 | 1,168 |
| Q1 2025 | 1,171 | 1,215 |
| Q2 2025 | 1,062 | 1,345 |
| Q3 2025 | 1,135 | 1,208 |
| Q4 2025 | 1,127 | 1,195 |
| Q1 2026 | 1,281 | 1,143 |
| Q2 2026 | 1,407 | 1,082 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $1.7bn | $1.1bn | 0.64 |
| Q4 2025 | $1.4bn | $622.3m | 0.44 |
| Q1 2026 | $1.1bn | $677.7m | 0.63 |
| Q2 2026 | $1.3bn | $874.3m | 0.67 |
Biggest buyers
| VIKING GLOBAL INVESTORS LP | New | +2.0m |
| Slate Path Capital LP | Added | +1.6m |
| STATE STREET CORP | Added | +1.3m |
| UBS Group AG | Added | +893.7k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | Added | +782.6k |
| Amundi | Added | +778.9k |
| ENVESTNET ASSET MANAGEMENT INC | Added | +662.3k |
| Point72 Asset Management, L.P. | Added | +655.0k |
| FIRST TRUST ADVISORS LP | Added | +641.7k |
| Eurizon Capital SGR S.p.A. | Added | +551.0k |
Biggest sellers
| CANADA PENSION PLAN INVESTMENT BOARD | Reduced | -2.1m |
| JPMORGAN CHASE & CO | Reduced | -2.0m |
| ATLAS Infrastructure Partners (UK) Ltd. | Sold out | -1.0m |
| DIAMANT ASSET MANAGEMENT, INC. | Reduced | -929.0k |
| Invesco Ltd. | Reduced | -892.4k |
| EdgePoint Investment Group Inc. | Reduced | -875.8k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | -757.3k |
| HARVARD MANAGEMENT CO INC | Sold out | -634.4k |
| Artisan Partners Limited Partnership | Reduced | -574.8k |
| CIBC Bancorp USA Inc. | Reduced | -539.6k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $459.8m1.7m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $274.6m1.0m shares |
| JANE STREET GROUP, LLC | Added | $156.1m574.0k shares |
| IMC-Chicago, LLC | Added | $90.0m330.7k shares |
| Caption Management, LLC | New | $40.8m150.0k shares |
| Walleye Trading LLC | Added | $35.2m129.4k shares |
| GROUP ONE TRADING LLC | Added | $34.9m128.4k shares |
| SIMPLEX TRADING, LLC | Added | $25.5m93.8k shares |
| Arvin Capital Management LP | Added | $23.9m88.0k shares |
| Allianz Asset Management GmbH | Added | $23.3m85.5k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $205.6m755.7k shares |
| CITADEL ADVISORS LLC | Added | $123.4m453.6k shares |
| Walleye Trading LLC | Added | $78.5m288.5k shares |
| JANE STREET GROUP, LLC | Added | $69.7m256.4k shares |
| IMC-Chicago, LLC | Reduced | $62.0m227.9k shares |
| WELLS FARGO & COMPANY/MN | Added | $59.8m220.0k shares |
| JPMORGAN CHASE & CO | Added | $45.3m166.0k shares |
| GOLDMAN SACHS GROUP INC | Added | $37.9m139.3k shares |
| Balyasny Asset Management L.P. | Added | $29.4m108.0k shares |
| Allianz Asset Management GmbH | Added | $24.7m90.7k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 7.5% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 2 | $3.5m | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 1 | $469.6k | — |
| Q2 2026 | 0 | — | 3 | $8.8m | — |
| Q3 2026 | 0 | — | 0 | — | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-06-03 | Gehringer Eric J EVP OPERATIONS | Sold | $789.5k3.0k shares |
| 2026-04-24 | Rocker Kenyatta G EVP MARKETING & SALES | Sold | $7.4m27.4k shares |
| 2026-04-24 | Hamann Jennifer L EVP & CHIEF FINANCIAL OFFICER | Sold | $549.4k2.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.19% of their portfolio | 47.9m $13.0bn | Added +115.6k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.23% of their portfolio | 38.8m $10.5bn | Added +217.0k |
| STATE STREET CORP 0.23% of their portfolio | 27.9m $7.6bn | Added +1.3m |
| Capital World Investors 0.87% of their portfolio | 27.1m $7.4bn | Added +69.4k |
| Capital Research Global Investors 0.65% of their portfolio | 17.1m $4.7bn | Added +206.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.23% of their portfolio | 16.1m $4.4bn | Added +260.1k |
| JPMORGAN CHASE & CO 0.25% of their portfolio | 15.7m $4.3bn | Reduced -2.0m |
| MORGAN STANLEY 0.21% of their portfolio | 14.6m $4.0bn | Reduced -305.7k |
| BANK OF AMERICA CORP /DE/ 0.25% of their portfolio | 14.5m $4.0bn | Added +64.5k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.18% of their portfolio | 14.3m $3.9bn | Reduced -162.8k |
| NORGES BANK 0.20% of their portfolio | 7.6m $2.1bn | Not comparable |
| UBS Group AG 0.29% of their portfolio | 6.6m $1.8bn | Added +893.7k |
| Fisher Asset Management, LLC 0.53% of their portfolio | 6.6m $1.8bn | Added +74.7k |
| NORTHERN TRUST CORP 0.21% of their portfolio | 6.5m $1.8bn | Reduced -144.7k |
| Invesco Ltd. 0.14% of their portfolio | 6.4m $1.7bn | Reduced -892.4k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.55% of their portfolio | 6.3m $1.7bn | Reduced -757.3k |
| FRANKLIN RESOURCES INC 0.35% of their portfolio | 5.9m $1.6bn | Reduced -159.2k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 1.23% of their portfolio | 5.7m $1.6bn | Added +782.6k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.25% of their portfolio | 5.1m $1.4bn | Reduced -119.5k |
| AMERIPRISE FINANCIAL INC 0.26% of their portfolio | 4.6m $1.3bn | Reduced -537.8k |
| RAYMOND JAMES FINANCIAL INC 0.34% of their portfolio | 4.6m $1.2bn | Added +169.4k |
| ROYAL BANK OF CANADA 0.21% of their portfolio | 4.5m $1.2bn | Reduced -154.5k |
| Legal & General Group Plc 0.25% of their portfolio | 4.4m $1.2bn | Added +87.4k |
| Nuveen, LLC 0.28% of their portfolio | 4.3m $1.2bn | Reduced -284.4k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.61% of their portfolio | 4.0m $1.1bn | Reduced -2.1m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.14% of their portfolio | 3.9m $1.1bn | Added +40.2k |
| DEUTSCHE BANK AG\ 0.31% of their portfolio | 3.9m $1.1bn | Reduced -133.5k |
| HARRIS ASSOCIATES L P 1.39% of their portfolio | 3.8m $1.0bn | Added +62.1k |
| Bank of New York Mellon Corp 0.17% of their portfolio | 3.8m $1.0bn | Added +204.8k |
| GOLDMAN SACHS GROUP INC 0.11% of their portfolio | 3.8m $1.0bn | Added +283.4k |
| DIMENSIONAL FUND ADVISORS LP 0.18% of their portfolio | 3.7m $1.0bn | Added +49.8k |
| WELLS FARGO & COMPANY/MN 0.18% of their portfolio | 3.7m $1.0bn | Added +301.2k |
| VANGUARD FIDUCIARY TRUST CO 0.20% of their portfolio | 3.3m $908.1m | Reduced -8.7k |
| Capital International Investors 0.18% of their portfolio | 3.2m $865.3m | Reduced -64.3k |
| Amundi 0.20% of their portfolio | 3.0m $821.4m | Added +778.9k |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.56% of their portfolio | 3.0m $820.9m | Unchanged |
| Clearbridge Investments, LLC 0.68% of their portfolio | 3.0m $817.2m | Reduced -70.1k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.08% of their portfolio | 3.0m $804.8m | Reduced -111.5k |
| ENVESTNET ASSET MANAGEMENT INC 0.17% of their portfolio | 2.6m $702.8m | Added +662.3k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.28% of their portfolio | 2.4m $641.3m | Reduced -86.7k |
| Slate Path Capital LP 8.67% of their portfolio | 2.3m $626.3m | Added +1.6m |
| FMR LLC 0.03% of their portfolio | 2.2m $605.3m | Added +298.1k |
| Baird Financial Group, Inc. 0.80% of their portfolio | 2.1m $581.6m | Added +61.8k |
| STIFEL FINANCIAL CORP 0.48% of their portfolio | 2.1m $573.5m | Reduced -56.1k |
| NEUBERGER BERMAN GROUP LLC 0.38% of their portfolio | 2.1m $562.2m | Added +275.0k |
| VIKING GLOBAL INVESTORS LP 1.59% of their portfolio | 2.0m $556.9m | New |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.59% of their portfolio | 1.8m $492.6m | Added +134.1k |
| Jupiter Topco LLC 0.20% of their portfolio | 1.8m $479.3m | First filing |
| ALLIANCEBERNSTEIN L.P. 0.14% of their portfolio | 1.7m $418.2m | Reduced -217.7k |
| Swiss National Bank 0.24% of their portfolio | 1.7m $455.5m | Reduced -66.2k |
| AMERICAN CENTURY COMPANIES INC 0.19% of their portfolio | 1.5m $419.8m | Added +365.7k |
| VOYA INVESTMENT MANAGEMENT LLC 0.36% of their portfolio | 1.5m $411.7m | Reduced -29.4k |
| LPL Financial LLC 0.09% of their portfolio | 1.5m $399.5m | Added +85.4k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.22% of their portfolio | 1.5m $395.4m | Added +110.3k |
| BARCLAYS PLC 0.12% of their portfolio | 1.4m $394.3m | Added +415.3k |
| COHEN & STEERS, INC. 0.61% of their portfolio | 1.4m $384.7m | Added +71.5k |
| National Pension Service 0.24% of their portfolio | 1.4m $377.0m | Added +38.3k |
| Sumitomo Mitsui Trust Group, Inc. 0.20% of their portfolio | 1.3m $356.3m | Reduced -4.4k |
| EdgePoint Investment Group Inc. 2.66% of their portfolio | 1.3m $351.6m | Reduced -875.8k |
| CIBC Bancorp USA Inc. 0.43% of their portfolio | 1.3m $348.5m | Reduced -539.6k |
| Vanguard Global Advisers, LLC 0.16% of their portfolio | 1.3m $347.7m | Reduced -16.8k |
| Mitsubishi UFJ Trust & Banking Corp 0.76% of their portfolio | 1.3m $346.8m | Added +38.3k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.23% of their portfolio | 1.3m $343.0m | Added +135.4k |
| TWO SIGMA INVESTMENTS, LP 0.26% of their portfolio | 1.3m $341.1m | Added +157.1k |
| TRUIST FINANCIAL CORP 0.40% of their portfolio | 1.2m $337.7m | Added +154.1k |
| FIRST TRUST ADVISORS LP 0.20% of their portfolio | 1.2m $334.4m | Added +641.7k |
| MACKENZIE FINANCIAL CORP 0.33% of their portfolio | 1.2m $334.3m | Reduced -117.4k |
| Aberdeen Group plc 0.46% of their portfolio | 1.2m $324.2m | Added +251.4k |
| PNC Financial Services Group, Inc. 0.16% of their portfolio | 1.2m $323.1m | Reduced -19.0k |
| BAUPOST GROUP LLC/MA 5.95% of their portfolio | 1.2m $322.4m | Reduced -355.6k |
| HSBC HOLDINGS PLC 0.15% of their portfolio | 1.1m $304.7m | Reduced -7.1k |
| RHUMBLINE ADVISERS 0.22% of their portfolio | 1.1m $296.7m | Reduced -18.2k |
| California Public Employees Retirement System 0.16% of their portfolio | 1.1m $289.6m | Reduced -279.3k |
| Beutel, Goodman & Co Ltd. 2.11% of their portfolio | 1.1m $286.3m | Reduced -13.3k |
| BANK OF MONTREAL /CAN/ 0.10% of their portfolio | 1.0m $285.1m | Added +115.1k |
| Cercano Management LLC 37.30% of their portfolio | 1.0m $279.7m | Reduced -22.4k |
| CITIGROUP INC 0.13% of their portfolio | 1.0m $278.4m | Added +269.3k |
| Connor, Clark & Lunn Investment Management Ltd. 0.50% of their portfolio | 965.1k $262.5m | Added +35.6k |
| Point72 Asset Management, L.P. 0.39% of their portfolio | 931.0k $253.2m | Added +655.0k |
| BNP PARIBAS FINANCIAL MARKETS 0.13% of their portfolio | 919.9k $250.2m | Added +67.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.23% of their portfolio | 910.7k $247.7m | Added +66.7k |
| Public Sector Pension Investment Board 0.63% of their portfolio | 887.7k $241.4m | Added +764 |
| MENORA MIVTACHIM HOLDINGS LTD. 0.93% of their portfolio | 878.4k $238.9m | Added +170.2k |
| VICTORY CAPITAL MANAGEMENT INC 0.13% of their portfolio | 846.6k $230.3m | Added +310.4k |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.11% of their portfolio | 842.6k $229.2m | Reduced -89.0k |
| JENNISON ASSOCIATES LLC 0.13% of their portfolio | 808.4k $219.9m | Added +115.2k |
| KING LUTHER CAPITAL MANAGEMENT CORP 0.89% of their portfolio | 799.9k $217.6m | Reduced -6.0k |
| FIFTH THIRD BANCORP 0.35% of their portfolio | 794.1k $216.0m | Added +286 |
| PRIMECAP MANAGEMENT CO/CA/ 0.12% of their portfolio | 775.7k $211.0m | Reduced -47.5k |
| Fayez Sarofim & Co 0.49% of their portfolio | 772.8k $210.2m | Added +38.0k |
| Palestra Capital Management LLC 7.03% of their portfolio | 762.5k $207.4m | Added +38.6k |
| PRINCIPAL FINANCIAL GROUP INC 0.10% of their portfolio | 743.8k $202.3m | Added +29.6k |
| FIL Ltd 0.14% of their portfolio | 742.1k $201.8m | Added +40.9k |
| DAVENPORT & Co LLC 1.03% of their portfolio | 738.4k $201.0m | Reduced -14.7k |
| US BANCORP \DE\ 0.22% of their portfolio | 733.9k $199.6m | Reduced -3.6k |
| HighTower Advisors, LLC 0.19% of their portfolio | 709.0k $192.8m | Reduced -7.1k |
| NATIXIS ADVISORS, LLC 0.21% of their portfolio | 701.2k $190.7m | Added +85.7k |
| Eurizon Capital SGR S.p.A. 0.50% of their portfolio | 685.7k $186.7m | Added +551.0k |
| 1832 Asset Management L.P. 0.23% of their portfolio | 676.2k $183.9m | Added +252.8k |
| Diamond Hill Capital Management, LLC (Investment Advisor) 1.47% of their portfolio | 673.9k $183.3m | Reduced -359.9k |