Magnetar Financial LLC

Position in ATKR — Atkore Inc.

CIK 1352851 EVANSTON, IL

Position in ATKR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$431,603

-$1,068,244 QoQ

Shares Held

5,676

-77.7% QoQ

Ownership

0.017%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#189

of 324 holders

Holding Since

Jun 2022

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Magnetar Financial LLC holds $2,866,571 across 5 Electrical Equipment & Parts names. ATKR ranks #4 (15.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AEIS	Advanced Energy Industries Inc	2,561	$954,919
2	NVT	nVent Electric plc	4,414	$748,657
3	KE	Kimball Electronics, Inc.	28,570	$731,392
4	ATKR	Atkore Inc. This page	5,676	$431,603
5	FAC	Factorial Energy Inc.	447,500	$0

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$431,603	5,676	-77.7%	Shares	Sole	2026-08-14
2026-03-31	$1,499,847	25,460	+32.3%	Shares	Sole	2026-05-13
2025-12-31	$1,216,739	19,237	+108.1%	Shares	Sole	2026-02-17
2025-06-30	$652,093	9,243	-22.0%	Shares	Sole	2025-08-12
2024-12-31	$988,714	11,848	-72.5%	Shares	Sole	2025-02-11
2024-09-30	$3,651,531	43,091	+35.9%	Shares	Sole	2024-11-13
2024-06-30	$4,278,495	31,709	+543.8%	Shares	Sole	2024-08-14
2023-09-30	$734,760	4,925	-83.7%	Shares	Sole	2023-11-14
2022-09-30	$2,344,259	30,128	+169.8%	Shares	Sole	2022-11-14
2022-06-30	$926,806	11,165	—	Shares	Sole	2022-08-15
No filing history on record for this holder in this stock.