Union Pacific (UNP) Held by Superinvestors
UNION PACIFIC CORP (UNP) is currently held by 13 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $1.26B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Viking Global Investors is currently the largest disclosed institutional shareholder of UNP tracked by InsiderSet, reporting ownership valued at approximately $556.87M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $569.85M, representing an estimated gain of +2.33% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed UNP value among the investors covered in this analysis. Major shareholders include Viking Global Investors, Baupost Group, Parnassus Endeavor Fund, and several other long-term asset managers with concentrated positions in UNION PACIFIC CORP (UNP).
This page ranks the largest institutional UNP shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Viking Global Investors | Ole Andreas Halvorsen | 1.59% | 2,047,332 | $556,874,304 | $569,854,389 | +$12,980,085 | +2.33% |
| Baupost Group | Seth Klarman | 5.95% | 1,185,395 | $322,427,000 | $329,942,844 | +$7,515,844 | +2.33% |
| Parnassus Endeavor Fund | Parnassus Investments | 0.33% | 449,875 | $122,366,000 | $125,218,207 | +$2,852,207 | +2.33% |
| Third Point | Daniel Loeb | 2.05% | 350,000 | $95,200,000 | $97,419,000 | +$2,219,000 | +2.33% |
| Dodge & Cox Stock Fund | V. D. Dodge, E. M. Cox | 0.04% | 260,902 | $70,965,344 | $72,619,463 | +$1,654,119 | +2.33% |
| Renaissance Technologies LLC | Jim Simons | 0.08% | 221,100 | $60,139,200 | $61,540,974 | +$1,401,774 | +2.33% |
| Sequoia Financial Advisors | 0.07% | 48,685 | $13,242,247 | $13,550,983 | +$308,736 | +2.33% | |
| Cullen Value Fund | Jim Cullen | 0.93% | 28,129 | $7,651,055 | $7,829,426 | +$178,371 | +2.33% |
| Gardner Russo & Quinn | Thomas Russo | 0.08% | 25,841 | $7,028,631 | $7,192,584 | +$163,953 | +2.33% |
| Tweedy, Browne Co All Funds (US) | B. Tweedy, Ch. Browne | 0.40% | 19,185 | $5,218,320 | $5,339,953 | +$121,633 | +2.33% |
| Mairs & Power Growth Fund | Andrew R. Adams | 0.01% | 3,415 | $928,880 | $950,531 | +$21,651 | +2.33% |
| Greenhaven Associates | Edgar Wachenheim III | 0.01% | 2,032 | $552,704 | $565,587 | +$12,883 | +2.33% |
| Torray Fund | Robert Torray | 0.03% | 850 | $231,200 | $236,589 | +$5,389 | +2.33% |
Frequently asked questions about UNP
Who are the largest superinvestors holding UNP?
The largest superinvestors holding UNP in the latest SEC Form 13F filings include Viking Global Investors, Baupost Group, Parnassus Endeavor Fund, Third Point, and Dodge & Cox Stock Fund. InsiderSet ranks these superinvestors by their latest reported UNP position.
What does the UNP superinvestors page include?
This page tracks UNP positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. UNION PACIFIC CORP (UNP) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold UNP?
InsiderSet currently tracks 13 superinvestors reporting UNP holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own UNP.
How much UNP stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $1.26B in UNP holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value, and it covers the curated superinvestors on this page rather than every institutional filer.
When were UNP superinvestor holdings last updated?
The latest UNP superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time holdings.
Are superinvestor UNP holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by these superinvestors as of the end of the reporting quarter. A superinvestor may have changed its UNP position after the reporting date.
Are superinvestors buying or selling UNP?
Buying and selling can be analyzed by comparing UNP positions across consecutive 13F reporting periods. InsiderSet's UNP Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View UNP ownership changes.
How have superinvestor UNP holdings changed over time?
InsiderSet tracks UNP holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.