Twin Tree Management, LP

Position in MT — ArcelorMittal

CIK 1535588 DALLAS, TX

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Position in MT

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

Position Value

$945,995

+$674,608 QoQ

Shares Held

15,709

+200.9% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.17%

of 13F equity value

Holder Rank

#104

of 317 holders

Holding Since

Jun 2020

19 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in MT Over Time

Shares Held

Position Value (USD)

Derivatives in MT

reported options exposure · as of Mar 31, 2026

CallValue

$566,582

CallShares

10,900

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 Steel

Basic Materials · as of Jun 30, 2026

Twin Tree Management, LP holds $2,427,751 across 3 Steel names. MT ranks #1 (39.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MT	ArcelorMittal This page	15,709	$945,995
2	STLD	Steel Dynamics Inc	3,888	$892,140
3	CLF	Cleveland-Cliffs Inc.	62,792	$589,616

All Filings in MT

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37 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$945,995	15,709	+200.9%	Shares	Sole	2026-08-12
2026-03-31	$566,582	10,900	+10800.0%	Call	Sole	2026-05-14
2026-03-31	$271,387	5,221	-88.2%	Shares	Sole	2026-05-14
2025-12-31	$4,557	100	-99.9%	Call	Sole	2026-02-11
2025-12-31	$2,301,285	50,500	-90.8%	Put	Sole	2026-02-11
2025-12-31	$2,016,518	44,251	+139.6%	Shares	Sole	2026-02-11
2025-09-30	$5,704,470	157,800	-76.0%	Call	Sole	2025-11-13
2025-09-30	$667,509	18,465	-21.3%	Shares	Sole	2025-11-13
2025-06-30	$20,722,796	656,200	+244.1%	Call	Sole	2025-07-28
2025-06-30	$17,410,054	551,300	+28.0%	Put	Sole	2025-07-28
2025-03-31	$677,022	23,467	-14.1%	Shares	Sole	2025-05-15
2025-03-31	$5,501,695	190,700	-22.2%	Call	Sole	2025-05-15
2025-03-31	$12,425,695	430,700	-69.6%	Put	Sole	2025-05-15
2024-12-31	$631,703	27,311	-67.4%	Shares	Sole	2025-02-10
2024-12-31	$5,671,476	245,200	+510.0%	Call	Sole	2025-02-10
2023-03-31	$2,527,098	83,901	-26.4%	Shares	Sole	2023-05-10
2022-12-31	$2,990,626	114,059	+333.0%	Shares	Sole	2023-02-13
2022-09-30	$524,409	26,339	-96.2%	Shares	Sole	2022-11-10
2022-06-30	$15,473,248	684,657	+110.1%	Shares	Sole	2022-08-11
2022-03-31	$45,332,562	1,416,200	+341.7%	Put	Sole	2022-05-11
2022-03-31	$10,430,746	325,859	+482.9%	Shares	Sole	2022-05-11
2021-12-31	$10,204,698	320,600	+45.8%	Put	Sole	2022-02-10
2021-12-31	$1,779,487	55,906	-61.3%	Shares	Sole	2022-02-10
2021-09-30	$1,212,432	40,200	+92.3%	Call	Sole	2021-11-12
2021-09-30	$4,360,231	144,570	-60.7%	Shares	Sole	2021-11-12
2021-09-30	$6,632,184	219,900	-40.9%	Put	Sole	2021-11-12
2021-06-30	$11,422,252	367,748	-20.0%	Shares	Sole	2021-08-12
2021-03-31	$609,653	20,900	-77.9%	Call	Sole	2021-05-17
2021-03-31	$10,857,074	372,200	-72.7%	Put	Sole	2021-05-17
2021-03-31	$13,409,273	459,694	+178.5%	Shares	Sole	2021-05-17
2020-12-31	$3,780,309	165,079	-49.0%	Shares	Sole	2021-02-12
2020-12-31	$31,244,760	1,364,400	+19.2%	Put	Sole	2021-02-12
2020-12-31	$2,166,340	94,600	+116.5%	Call	Sole	2021-02-12
2020-09-30	$4,292,682	323,976	+29.6%	Shares	Sole	2020-11-13
2020-09-30	$15,167,275	1,144,700	—	Put	Sole	2020-11-13
2020-09-30	$579,025	43,700	—	Call	Sole	2020-11-13
2020-06-30	$2,681,974	249,951	—	Shares	Sole	2020-08-12
No filing history on record for this holder in this stock.