Walleye Trading LLC

Position in ATI — Ati Inc

CIK 1388391 NEW YORK, NY

Back to ATI Full portfolio

Position in ATI

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$1,905,365

+$1,905,365 QoQ

Shares Held

9,667

Ownership

0.007%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#341

of 787 holders

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in ATI Over Time

Shares Held

Position Value (USD)

Derivatives in ATI

reported options exposure · as of Jun 30, 2026

CallValue

$6,366,330

CallShares

32,300

PutValue

$1,655,640

PutShares

8,400

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 Metal Fabrication

Industrials · as of Jun 30, 2026

Walleye Trading LLC holds $2,427,853 across 3 Metal Fabrication names. ATI ranks #1 (78.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ATI	Ati Inc This page	9,667	$1,905,365
2	MLI	Mueller Industries Inc	4,956	$304,620
3	CMC	COMMERCIAL METALS Co	3,472	$217,868

All Filings in ATI

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,366,330	32,300	-28.5%	Call	Sole	2026-08-03
2026-06-30	$1,655,640	8,400	-78.1%	Put	Sole	2026-08-03
2026-06-30	$1,905,365	9,667	+3.3%	Shares	Sole	2026-08-03
2026-03-31	$6,574,792	45,200	+59.7%	Call	Sole	2026-05-11
2026-03-31	$5,571,118	38,300	+129.3%	Put	Sole	2026-05-11
2025-12-31	$3,247,708	28,300	+159.6%	Call	Sole	2026-02-13
2025-12-31	$1,074,383	9,362	+1320.6%	Shares	Sole	2026-02-13
2025-12-31	$1,916,492	16,700	-47.8%	Put	Sole	2026-02-13
2025-09-30	$2,602,880	32,000	+188.3%	Put	Sole	2025-11-14
2025-09-30	$886,606	10,900	-54.6%	Call	Sole	2025-11-14
2025-06-30	$958,374	11,100	+33.7%	Put	Sole	2025-08-13
2025-06-30	$2,072,160	24,000	+200.0%	Call	Sole	2025-08-13
2025-03-31	$431,849	8,300	+97.6%	Put	Sole	2025-05-14
2025-03-31	$416,240	8,000	-1.2%	Call	Sole	2025-05-14
2024-12-31	$445,824	8,100	+42.1%	Call	Sole	2025-02-13
2024-12-31	$231,168	4,200	+68.0%	Put	Sole	2025-02-13
2024-12-31	$36,271	659	-97.1%	Shares	Sole	2025-02-13
2024-09-30	$167,275	2,500	-81.8%	Put	Sole	2024-11-14
2024-09-30	$381,387	5,700	+23.9%	Call	Sole	2024-11-14
2024-06-30	$255,070	4,600	-54.0%	Call	Sole	2024-08-14
2024-06-30	$759,665	13,700	-31.8%	Put	Sole	2024-08-14
2024-03-31	$511,700	10,000	+132.6%	Call	Sole	2024-05-15
2024-03-31	$1,028,517	20,100	+62.1%	Put	Sole	2024-05-15
2024-03-31	$1,163,247	22,733	-7.1%	Shares	Sole	2024-05-15
2023-12-31	$1,113,196	24,482	-37.2%	Shares	Sole	2024-02-14
2023-12-31	$563,828	12,400	-63.1%	Put	Sole	2024-02-14
2023-12-31	$195,521	4,300	-61.3%	Call	Sole	2024-02-14
2023-09-30	$1,382,640	33,600	+85.6%	Put	Sole	2023-11-21
2023-09-30	$456,765	11,100	-24.5%	Call	Sole	2023-11-21
2023-06-30	$650,181	14,700	-81.2%	Call	Sole	2023-08-14
2023-06-30	$800,563	18,100	-55.0%	Put	Sole	2023-08-14
2023-03-31	$1,586,292	40,200	+128.4%	Put	Sole	2023-05-15
2023-03-31	$3,093,664	78,400	+415.8%	Call	Sole	2023-05-15
2022-12-31	$525,536	17,600	+144.4%	Put	Sole	2023-02-14
2022-12-31	$453,872	15,200	-68.9%	Call	Sole	2023-02-14
2022-09-30	$191,592	7,200	-67.9%	Put	Sole	2022-11-14
2022-09-30	$1,298,568	48,800	-24.5%	Call	Sole	2022-11-14
2022-06-30	$508,704	22,400	+1500.0%	Put	Sole	2022-08-08
2022-06-30	$1,467,066	64,600	-1.4%	Call	Sole	2022-08-08
2022-03-31	$1,045,525	38,954	—	Shares	Sole	2022-05-16
2022-03-31	$1,758,020	65,500	+84.5%	Call	Sole	2022-05-16
2022-03-31	$37,576	1,400	-91.4%	Put	Sole	2022-05-16
2021-09-30	$271,069	16,300	-64.3%	Put	Sole	2021-11-15
2021-09-30	$590,365	35,500	-7.6%	Call	Sole	2021-11-15
2021-06-30	$800,640	38,400	+58.7%	Call	Sole	2021-08-16
2021-06-30	$950,760	45,600	+6.8%	Put	Sole	2021-08-16
2021-03-31	$509,652	24,200	-80.8%	Call	Sole	2021-05-17
2021-03-31	$899,262	42,700	+427.2%	Put	Sole	2021-05-17
2020-12-31	$135,837	8,100	—	Put	Sole	2021-02-16
2020-12-31	$2,111,343	125,900	—	Call	Sole	2021-02-16
No filing history on record for this holder in this stock.