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 ($694.2m this quarter). Holder counts are more reliable. Shares outstanding: 593.7m as of 2026-04-17, 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 ≈ $242.01. Options: 47 managers hold calls ($1.1bn notional), 42 hold puts ($677.7m).
Trends to Q1 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 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 1,131 | 1,143 |
| 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 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $1.4bn | $894.9m | 0.62 |
| Q3 2025 | $1.7bn | $1.1bn | 0.64 |
| Q4 2025 | $1.4bn | $622.3m | 0.44 |
| Q1 2026 | $1.1bn | $677.7m | 0.63 |
Biggest buyers
| Capital World Investors | Added | +6.9m |
| JPMORGAN CHASE & CO | Added | +6.2m |
| Capital Research Global Investors | Added | +5.9m |
| MORGAN STANLEY | Added | +2.2m |
| BANK OF AMERICA CORP /DE/ | Added | +2.1m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Added | +1.3m |
| Beutel, Goodman & Co Ltd. | Added | +1.1m |
| DIAMANT ASSET MANAGEMENT, INC. | Added | +929.0k |
| UBS Group AG | Added | +794.6k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +501.9k |
Biggest sellers
| Third Point LLC | Reduced | -1.7m |
| TWO SIGMA ADVISERS, LP | Sold out | -1.4m |
| BlackRock, Inc. | Reduced | -1.4m |
| HSBC HOLDINGS PLC | Reduced | -1.3m |
| MAVERICK CAPITAL LTD | Sold out | -1.3m |
| FRANKLIN RESOURCES INC | Reduced | -1.1m |
| Soroban Capital Partners LP | Sold out | -1.0m |
| TOMS Capital Investment Management LP | Sold out | -951.5k |
| Capital International Investors | Reduced | -920.7k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | -792.2k |
Biggest calls
| GOLDMAN SACHS GROUP INC | Added | $281.6m1.2m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $208.8m860.4k shares |
| CITADEL ADVISORS LLC | Reduced | $178.2m734.4k shares |
| JANE STREET GROUP, LLC | Reduced | $104.0m428.6k shares |
| IMC-Chicago, LLC | Reduced | $55.3m228.1k shares |
| UBS Group AG | Reduced | $50.1m206.7k shares |
| WELLS FARGO & COMPANY/MN | New | $24.3m100.0k shares |
| Walleye Trading LLC | Reduced | $20.8m85.7k shares |
| GROUP ONE TRADING LLC | Added | $15.6m64.1k shares |
| JPMORGAN CHASE & CO | Added | $14.1m59.0k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $113.3m466.9k shares |
| CITADEL ADVISORS LLC | Added | $70.6m290.9k shares |
| IMC-Chicago, LLC | Added | $59.8m246.6k shares |
| JANE STREET GROUP, LLC | Added | $51.3m211.6k shares |
| UBS Group AG | Reduced | $47.7m196.4k shares |
| Walleye Trading LLC | Added | $41.0m169.1k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $36.3m149.7k shares |
| CITIGROUP INC | Added | $22.2m91.5k shares |
| GROUP ONE TRADING LLC | Added | $20.8m85.9k shares |
| Allianz Asset Management GmbH | Added | $19.0m78.2k 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 in Q1 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 |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 0 | — | 1 | $875.9k | — |
| 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 | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-03-20 | Gehringer Eric J EVP OPERATIONS | Sold | $469.6k2.0k 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, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.20% of their portfolio | 47.8m $11.6bn | Reduced -1.4m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.23% of their portfolio | 38.6m $9.4bn | First filing |
| Capital World Investors 0.90% of their portfolio | 27.1m $6.6bn | Added +6.9m |
| STATE STREET CORP 0.22% of their portfolio | 26.6m $6.5bn | Added +257.8k |
| JPMORGAN CHASE & CO 0.29% of their portfolio | 17.6m $4.2bn | Added +6.2m |
| Capital Research Global Investors 0.64% of their portfolio | 16.9m $4.1bn | Added +5.9m |
| GEODE CAPITAL MANAGEMENT, LLC 0.24% of their portfolio | 15.9m $3.8bn | Added +501.9k |
| MORGAN STANLEY 0.22% of their portfolio | 14.9m $3.6bn | Added +2.2m |
| BANK OF AMERICA CORP /DE/ 0.26% of their portfolio | 14.5m $3.5bn | Added +2.1m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.18% of their portfolio | 14.4m $3.5bn | First filing |
| Invesco Ltd. 0.17% of their portfolio | 7.3m $1.8bn | Added +391.8k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.59% of their portfolio | 7.0m $1.7bn | Reduced -576.0k |
| NORTHERN TRUST CORP 0.21% of their portfolio | 6.7m $1.6bn | Reduced -101.2k |
| Fisher Asset Management, LLC 0.54% of their portfolio | 6.5m $1.6bn | Added +73.3k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.95% of their portfolio | 6.1m $1.5bn | Added +20.2k |
| FRANKLIN RESOURCES INC 0.36% of their portfolio | 6.1m $1.5bn | Reduced -1.1m |
| UBS Group AG 0.25% of their portfolio | 5.7m $1.4bn | Added +794.6k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.26% of their portfolio | 5.2m $1.3bn | Added +1.3m |
| AMERIPRISE FINANCIAL INC 0.29% of their portfolio | 5.2m $1.3bn | Added +25.8k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 1.10% of their portfolio | 5.0m $1.2bn | Reduced -648.0k |
| ROYAL BANK OF CANADA 0.21% of their portfolio | 4.6m $1.1bn | Added +40.3k |
| Nuveen, LLC 0.30% of their portfolio | 4.6m $1.1bn | Reduced -25.3k |
| RAYMOND JAMES FINANCIAL INC 0.33% of their portfolio | 4.4m $1.1bn | Added +254.5k |
| Legal & General Group Plc 0.24% of their portfolio | 4.3m $1.0bn | Reduced -159.1k |
| DEUTSCHE BANK AG\ 0.33% of their portfolio | 4.1m $983.7m | Added +210.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.14% of their portfolio | 3.9m $942.4m | Added +115.2k |
| HARRIS ASSOCIATES L P 1.23% of their portfolio | 3.8m $917.7m | Added +125.9k |
| DIMENSIONAL FUND ADVISORS LP 0.19% of their portfolio | 3.7m $894.9m | Added +4.5k |
| Bank of New York Mellon Corp 0.16% of their portfolio | 3.6m $876.0m | Reduced -129.9k |
| GOLDMAN SACHS GROUP INC 0.11% of their portfolio | 3.5m $846.7m | Reduced -231.7k |
| WELLS FARGO & COMPANY/MN 0.17% of their portfolio | 3.4m $830.3m | Added +164.9k |
| VANGUARD FIDUCIARY TRUST CO 0.21% of their portfolio | 3.3m $812.1m | First filing |
| Capital International Investors 0.18% of their portfolio | 3.2m $787.2m | Reduced -920.7k |
| Clearbridge Investments, LLC 0.65% of their portfolio | 3.1m $745.9m | Reduced -398.4k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.09% of their portfolio | 3.1m $744.9m | Reduced -230.8k |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.58% of their portfolio | 3.0m $732.2m | Unchanged |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.32% of their portfolio | 2.4m $593.1m | Reduced -792.2k |
| Amundi 0.15% of their portfolio | 2.2m $543.7m | Added +353.3k |
| EdgePoint Investment Group Inc. 4.22% of their portfolio | 2.2m $526.1m | Reduced -477.3k |
| STIFEL FINANCIAL CORP 0.48% of their portfolio | 2.2m $525.1m | Reduced -41.6k |
| Baird Financial Group, Inc. 0.79% of their portfolio | 2.1m $503.8m | Added +82.8k |
| ALLIANCEBERNSTEIN L.P. 0.15% of their portfolio | 1.9m $449.1m | Added +78.3k |
| FMR LLC 0.02% of their portfolio | 1.9m $467.6m | Reduced -112.6k |
| ENVESTNET ASSET MANAGEMENT INC 0.12% of their portfolio | 1.9m $466.2m | Added +184.9k |
| JANUS HENDERSON GROUP PLC 0.21% of their portfolio | 1.8m $441.8m | Added +162.1k |
| CIBC Bancorp USA Inc. 0.60% of their portfolio | 1.8m $441.5m | First filing |
| NEUBERGER BERMAN GROUP LLC 0.33% of their portfolio | 1.8m $434.7m | Reduced -116.0k |
| Swiss National Bank 0.24% of their portfolio | 1.7m $422.4m | Added +115.4k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.55% of their portfolio | 1.7m $406.8m | Added +438.1k |
| VOYA INVESTMENT MANAGEMENT LLC 0.39% of their portfolio | 1.5m $374.3m | Reduced -12.8k |
| BAUPOST GROUP LLC/MA 7.31% of their portfolio | 1.5m $373.9m | Reduced -86.3k |
| LPL Financial LLC 0.09% of their portfolio | 1.4m $335.7m | Added +11.6k |
| National Pension Service 0.25% of their portfolio | 1.3m $327.0m | Added +31.4k |
| MACKENZIE FINANCIAL CORP 0.39% of their portfolio | 1.3m $326.6m | Added +175.1k |
| California Public Employees Retirement System 0.20% of their portfolio | 1.3m $326.1m | Reduced -11.9k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.22% of their portfolio | 1.3m $325.9m | Added +93.2k |
| COHEN & STEERS, INC. 0.57% of their portfolio | 1.3m $325.8m | Added +34.9k |
| Sumitomo Mitsui Trust Group, Inc. 0.21% of their portfolio | 1.3m $318.9m | Reduced -67.2k |
| Vanguard Global Advisers, LLC 0.17% of their portfolio | 1.3m $314.2m | First filing |
| Mitsubishi UFJ Trust & Banking Corp 0.74% of their portfolio | 1.2m $300.1m | Added +3.9k |
| PNC Financial Services Group, Inc. 0.17% of their portfolio | 1.2m $292.8m | Reduced -36.9k |
| AMERICAN CENTURY COMPANIES INC 0.15% of their portfolio | 1.2m $285.7m | Added +92.7k |
| HSBC HOLDINGS PLC 0.16% of their portfolio | 1.1m $273.1m | Reduced -1.3m |
| VANGUARD ASSET MANAGEMENT, Ltd 0.23% of their portfolio | 1.1m $273.1m | First filing |
| RHUMBLINE ADVISERS 0.23% of their portfolio | 1.1m $269.1m | Added +1.8k |
| TWO SIGMA INVESTMENTS, LP 0.22% of their portfolio | 1.1m $266.1m | Added +184.7k |
| TRUIST FINANCIAL CORP 0.36% of their portfolio | 1.1m $263.8m | Added +71.4k |
| Beutel, Goodman & Co Ltd. 1.75% of their portfolio | 1.1m $258.6m | Added +1.1m |
| Cercano Management LLC 11.01% of their portfolio | 1.1m $255.0m | Reduced -75.8k |
| BARCLAYS PLC 0.09% of their portfolio | 1.0m $250.9m | Added +47.7k |
| Diamond Hill Capital Management, LLC (Investment Advisor) 1.57% of their portfolio | 1.0m $250.8m | Reduced -510.9k |
| ATLAS Infrastructure Partners (UK) Ltd. 8.68% of their portfolio | 1.0m $246.4m | Added +105.7k |
| Aberdeen Group plc 0.37% of their portfolio | 940.6k $228.2m | Added +156.0k |
| PINEBRIDGE INVESTMENTS LLC 1.91% of their portfolio | 934.4k $226.7m | Reduced -151.8k |
| BANK OF MONTREAL /CAN/ 0.09% of their portfolio | 932.9k $226.3m | Reduced -117.8k |
| DIAMANT ASSET MANAGEMENT, INC. 0.68% of their portfolio | 932.9k $932.9k | Added +929.0k |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.15% of their portfolio | 931.6k $226.0m | Reduced -20.1k |
| Connor, Clark & Lunn Investment Management Ltd. 0.52% of their portfolio | 929.5k $225.5m | Added +195.2k |
| Public Sector Pension Investment Board 0.67% of their portfolio | 886.9k $215.2m | Added +18.5k |
| BNP PARIBAS FINANCIAL MARKETS 0.14% of their portfolio | 852.9k $206.9m | Reduced -106.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.22% of their portfolio | 843.9k $204.8m | Reduced -23.9k |
| PRIMECAP MANAGEMENT CO/CA/ 0.16% of their portfolio | 823.2k $199.7m | Reduced -132.5k |
| KING LUTHER CAPITAL MANAGEMENT CORP 0.84% of their portfolio | 805.9k $195.5m | Reduced -31.5k |
| FIFTH THIRD BANCORP 0.35% of their portfolio | 793.8k $192.6m | Added +228.6k |
| CITIGROUP INC 0.12% of their portfolio | 754.1k $183.0m | Added +112.9k |
| DAVENPORT & Co LLC 1.01% of their portfolio | 753.0k $182.0m | Added +262.6k |
| Impax Asset Management Group plc 1.27% of their portfolio | 748.2k $181.5m | Added +58.9k |
| US BANCORP \DE\ 0.22% of their portfolio | 737.5k $178.9m | Reduced -21.4k |
| Fayez Sarofim & Co 0.46% of their portfolio | 734.8k $178.3m | Reduced -36.1k |
| Slate Path Capital LP 2.64% of their portfolio | 732.8k $177.8m | Reduced -17.4k |
| Palestra Capital Management LLC 6.90% of their portfolio | 723.9k $175.6m | Added +36.6k |
| OMERS ADMINISTRATION Corp 1.12% of their portfolio | 716.8k $173.9m | Added +6.3k |
| HighTower Advisors, LLC 0.18% of their portfolio | 716.1k $173.7m | Added +95.8k |
| PRINCIPAL FINANCIAL GROUP INC 0.09% of their portfolio | 714.2k $173.3m | Added +5.6k |
| MENORA MIVTACHIM HOLDINGS LTD. 0.81% of their portfolio | 708.2k $171.8m | Unchanged |
| FIL Ltd 0.13% of their portfolio | 701.2k $170.1m | Reduced -22.2k |
| JENNISON ASSOCIATES LLC 0.12% of their portfolio | 693.2k $168.2m | Reduced -153.2k |
| Perpetual Ltd 2.57% of their portfolio | 690.0k $167.4m | Reduced -28.6k |
| Pictet Asset Management Holding SA 0.17% of their portfolio | 657.4k $159.5m | Reduced -42.7k |
| FIRST MANHATTAN CO. LLC. 0.44% of their portfolio | 655.3k $159.0m | Reduced -63.6k |