Twin Tree Management, LP

Position in UNP — Union Pacific Corp

CIK 1535588 DALLAS, TX

Back to UNP Full portfolio

Position in UNP

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$3,054,288

+$2,955,542 QoQ

Shares Held

11,229

+2659.0% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.53%

of 13F equity value

Holder Rank

#1,007

of 2,880 holders

Holding Since

Mar 2020

22 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in UNP Over Time

Shares Held

Position Value (USD)

Derivatives in UNP

reported options exposure · as of Jun 30, 2026

CallValue

$2,747,200

CallShares

10,100

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Railroads

Industrials · as of Jun 30, 2026

Twin Tree Management, LP holds $4,031,100 across 4 Railroads names. UNP ranks #1 (75.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	UNP	Union Pacific Corp This page	11,229	$3,054,288
2	CSX	Csx Corp	15,072	$716,372
3	CNI	Canadian National Railway Co	2,148	$256,127
4	WAB	Westinghouse Air Brake Technologies Corp	16	$4,313

All Filings in UNP

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31 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,747,200	10,100	-91.3%	Call	Sole	2026-08-12
2026-06-30	$3,054,288	11,229	+2659.0%	Shares	Sole	2026-08-12
2026-03-31	$98,746	407	-95.7%	Shares	Sole	2026-05-14
2025-12-31	$6,870,204	29,700	+4142.9%	Put	Sole	2026-02-11
2025-12-31	$26,717,460	115,500	-66.2%	Call	Sole	2026-02-11
2025-12-31	$2,207,486	9,543	+231.7%	Shares	Sole	2026-02-11
2025-09-30	$80,862,177	342,100	-30.6%	Call	Sole	2025-11-13
2025-09-30	$165,459	700	-99.6%	Put	Sole	2025-11-13
2025-06-30	$113,452,448	493,100	-48.6%	Call	Sole	2025-07-28
2025-03-31	$226,790,400	960,000	+9.7%	Call	Sole	2025-05-15
2024-12-31	$199,580,608	875,200	+376.2%	Call	Sole	2025-02-10
2024-09-30	$45,303,024	183,800	+19.0%	Call	Sole	2024-11-13
2024-06-30	$650,950	2,877	-88.6%	Shares	Sole	2024-08-13
2024-03-31	$6,217,110	25,280	-88.1%	Shares	Sole	2024-05-09
2023-12-31	$52,228,636	212,640	+919.1%	Shares	Sole	2024-02-14
2023-09-30	$4,248,739	20,865	+133.8%	Shares	Sole	2023-11-14
2023-06-30	$1,826,233	8,925	-4.8%	Shares	Sole	2023-08-11
2023-03-31	$1,886,208	9,372	-88.0%	Shares	Sole	2023-05-10
2022-06-30	$16,626,882	77,958	+329.5%	Shares	Sole	2022-08-11
2022-03-31	$42,210,945	154,500	+181.9%	Call	Sole	2022-05-11
2022-03-31	$53,795,049	196,900	+254.8%	Put	Sole	2022-05-11
2021-12-31	$4,572,781	18,151	+949.2%	Shares	Sole	2022-02-10
2021-09-30	$339,097	1,730	-86.6%	Shares	Sole	2021-11-12
2021-06-30	$12,052,164	54,800	-69.4%	Call	Sole	2021-08-12
2021-06-30	$2,845,234	12,937	+771.2%	Shares	Sole	2021-08-12
2020-12-31	$309,206	1,485	-83.9%	Shares	Sole	2021-02-12
2020-06-30	$9,383,385	55,500	-71.9%	Put	Sole	2020-08-12
2020-06-30	$30,280,437	179,100	-53.4%	Call	Sole	2020-08-12
2020-03-31	$1,303,491	9,242	—	Shares	Sole	2020-05-13
2020-03-31	$27,855,400	197,500	—	Put	Sole	2020-05-13
2020-03-31	$54,187,568	384,200	—	Call	Sole	2020-05-13
No filing history on record for this holder in this stock.