Twin Tree Management, LP

Position in STLD — Steel Dynamics Inc

CIK 1535588 DALLAS, TX

Back to STLD Full portfolio

Position in STLD

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

Position Value

$892,140

+$787,740 QoQ

Shares Held

3,888

+570.3% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.16%

of 13F equity value

Holder Rank

#509

of 1,017 holders

Holding Since

Mar 2020

20 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in STLD Over Time

Shares Held

Position Value (USD)

Derivatives in STLD

reported options exposure · as of Jun 30, 2026

CallValue

$1,399,706

CallShares

6,100

PutValue

$573,650

PutShares

2,500

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. STLD ranks #2 (36.7% of the industry book) .

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

All Filings in STLD

Export CSV

29 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,399,706	6,100	-46.5%	Call	Sole	2026-08-12
2026-06-30	$892,140	3,888	+570.3%	Shares	Sole	2026-08-12
2026-06-30	$573,650	2,500	-90.2%	Put	Sole	2026-08-12
2026-03-31	$2,052,000	11,400	-86.3%	Call	Sole	2026-05-14
2026-03-31	$104,400	580	-79.8%	Shares	Sole	2026-05-14
2025-12-31	$4,304,030	25,400	-75.6%	Put	Sole	2026-02-11
2025-09-30	$401,000	2,876	-89.7%	Shares	Sole	2025-11-13
2025-09-30	$14,542,549	104,300	+130.2%	Put	Sole	2025-11-13
2025-06-30	$5,798,853	45,300	+98.7%	Put	Sole	2025-07-28
2024-12-31	$2,600,796	22,800	0.0%	Put	Sole	2025-02-10
2024-09-30	$2,874,624	22,800	+660.0%	Put	Sole	2024-11-13
2024-09-30	$3,509,058	27,832	-39.7%	Shares	Sole	2024-11-13
2024-03-31	$6,840,814	46,150	+45.8%	Shares	Sole	2024-05-09
2023-12-31	$3,737,274	31,645	+14.6%	Shares	Sole	2024-02-14
2023-09-30	$2,961,952	27,625	-69.7%	Shares	Sole	2023-11-14
2023-06-30	$9,944,219	91,290	-34.2%	Shares	Sole	2023-08-11
2023-03-31	$15,674,864	138,642	+246.3%	Shares	Sole	2023-05-10
2022-12-31	$3,912,005	40,041	-56.6%	Shares	Sole	2023-02-13
2022-03-31	$7,702,007	92,317	+207.6%	Shares	Sole	2022-05-11
2021-12-31	$1,862,596	30,008	-61.0%	Shares	Sole	2022-02-10
2021-12-31	$5,176,638	83,400	+99.5%	Call	Sole	2022-02-10
2021-09-30	$2,444,464	41,800	+488.7%	Call	Sole	2021-11-12
2021-09-30	$4,498,690	76,927	-73.8%	Shares	Sole	2021-11-12
2021-06-30	$17,527,048	294,078	+178.5%	Shares	Sole	2021-08-12
2021-03-31	$5,359,393	105,583	+240.1%	Shares	Sole	2021-05-17
2020-12-31	$1,144,702	31,047	+423.5%	Shares	Sole	2021-02-12
2020-12-31	$261,777	7,100	—	Call	Sole	2021-02-12
2020-12-31	$110,610	3,000	—	Put	Sole	2021-02-12
2020-03-31	$133,684	5,931	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.