Parallax Volatility Advisers, L.P.

Position in STLD — Steel Dynamics Inc

CIK 1521001 San Francisco, CA

Back to STLD Full portfolio

Position in STLD

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$218,520

+$9,758 QoQ

Shares Held

1,214

-1.5% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

19 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in STLD Over Time

Shares Held

Position Value (USD)

Derivatives in STLD

reported options exposure · as of Mar 31, 2025

CallValue

$1,013,148

CallShares

8,100

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 Steel

Basic Materials · as of Mar 31, 2026

Parallax Volatility Advisers, L.P. holds $218,520 across 1 Steel name. STLD ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	STLD	Steel Dynamics Inc This page	1,214	$218,520

All Filings in STLD

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40 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$218,520	1,214	-1.5%	Shares	Sole	2026-05-15
2025-12-31	$208,762	1,232	-84.8%	Shares	Sole	2026-02-17
2025-03-31	$1,013,148	8,100	+809900.0%	Call	Sole	2025-05-15
2024-12-31	$114	1	-100.0%	Shares	Sole	2025-02-14
2024-12-31	$3,593,205	31,500	-44.9%	Call	Sole	2025-02-14
2024-03-31	$8,478,756	57,200	+38.5%	Put	Sole	2024-05-15
2024-03-31	$6,121,899	41,300	+3341.7%	Call	Sole	2024-05-15
2023-12-31	$141,720	1,200	-25.0%	Put	Sole	2024-02-14
2023-12-31	$188,960	1,600	-51.5%	Call	Sole	2024-02-14
2023-09-30	$353,826	3,300	-38.9%	Call	Sole	2023-11-14
2023-09-30	$578,988	5,400	-37.9%	Put	Sole	2023-11-14
2023-06-30	$947,691	8,700	-9.4%	Put	Sole	2023-08-14
2023-06-30	$1,045,728	9,600	-36.4%	Call	Sole	2023-08-14
2023-03-31	$1,707,206	15,100	-64.6%	Put	Sole	2023-05-15
2023-03-31	$4,827,662	42,700	-73.7%	Call	Sole	2023-05-15
2022-12-31	$15,886,020	162,600	+108.7%	Put	Sole	2023-02-27
2022-12-31	$7,610,830	77,900	-79.6%	Call	Sole	2023-02-27
2022-09-30	$27,060,330	381,400	+75.4%	Put	Sole	2022-11-21
2022-09-30	$15,424,530	217,400	+69.7%	Call	Sole	2022-11-21
2022-09-30	$9,090,681	128,128	+79.2%	Shares	Sole	2022-11-21
2022-06-30	$4,729,725	71,500	-41.8%	Call	Sole	2022-08-17
2022-06-30	$8,123,683	122,807	-60.4%	Shares	Sole	2022-08-17
2022-06-30	$20,506,500	310,000	-22.9%	Put	Sole	2022-08-17
2022-03-31	$33,547,203	402,100	-18.4%	Call	Sole	2022-05-16
2022-03-31	$41,130,990	493,000	+30.9%	Put	Sole	2022-05-16
2021-12-31	$23,375,562	376,600	-6.3%	Call	Sole	2022-02-14
2021-12-31	$24,952,140	402,000	+1055.8%	Put	Sole	2022-02-14
2021-12-31	$2,158,856	34,781	-32.4%	Shares	Sole	2022-02-14
2021-09-30	$3,008,035	51,437	-87.0%	Shares	Sole	2021-11-15
2021-09-30	$23,175,624	396,300	+8.5%	Put	Sole	2021-11-15
2021-09-30	$21,351,048	365,100	+1245.5%	Call	Sole	2021-11-15
2021-06-30	$1,617,246	27,135	-92.8%	Shares	Sole	2021-08-16
2021-06-30	$22,499,000	377,500	-4.5%	Call	Sole	2021-08-16
2021-06-30	$23,553,920	395,200	+3087.1%	Put	Sole	2021-08-16
2021-03-31	$629,424	12,400	+151.2%	Call	Sole	2021-05-14
2021-03-31	$250,602	4,937	-88.3%	Shares	Sole	2021-05-14
2020-12-31	$1,552,227	42,100	+1566.7%	Call	Sole	2021-02-16
2020-12-31	$93,133	2,526	+252500.0%	Shares	Sole	2021-02-16
2020-03-31	$22	1	-100.0%	Shares	Sole	2020-05-15
2020-03-31	$2,808,484	124,600	—	Call	Sole	2020-05-15
No filing history on record for this holder in this stock.