Magnetar Financial LLC

Position in ABT — Abbott Laboratories

CIK 1352851 EVANSTON, IL

Position in ABT

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$2,264,077

-$141,753 QoQ

Shares Held

22,052

+22.8% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

11 quarters on record

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

Healthcare · as of Mar 31, 2026

Magnetar Financial LLC holds $168,884,411 across 16 Medical Devices names. ABT ranks #3 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PEN	Penumbra Inc	251,433	$82,563,053
2	MASI	Masimo Corp	427,081	$75,964,897
3	ABT	Abbott Laboratories This page	22,052	$2,264,077
4	SYK	Stryker Corp	6,160	$2,024,113
5	GMED	Globus Medical Inc	19,292	$1,662,198
6	PODD	Insulet Corp	5,458	$1,145,306
7	TCMD	Tactile Systems Technology Inc	27,594	$721,030
8	AORT	Artivion, Inc.	17,444	$638,798

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,264,077	22,052	+22.8%	Shares	Sole	2026-05-13
2025-09-30	$2,405,830	17,962	+504.0%	Shares	Sole	2025-11-13
2024-09-30	$339,065	2,974	-99.6%	Shares	Sole	2024-11-13
2024-06-30	$81,340,124	782,794	+60.5%	Shares	Sole	2024-08-14
2024-03-31	$55,449,599	487,855	-40.3%	Shares	Sole	2024-05-15
2023-12-31	$89,953,056	817,235	-20.9%	Shares	Sole	2024-02-13
2023-09-30	$100,055,541	1,033,098	+8.7%	Shares	Sole	2023-11-14
2023-06-30	$103,634,739	950,603	-3.6%	Shares	Sole	2023-08-11
2023-03-31	$99,875,877	986,331	+4136.1%	Shares	Sole	2023-05-15
2021-03-31	$2,790,354	23,284	+268.0%	Shares	Sole	2021-05-14
2020-06-30	$578,569	6,328	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.