GW&K Investment Management, LLC

Position in ABT — Abbott Laboratories

CIK 1082917 BOSTON, MA

Position in ABT

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

Position Value

$30,438,472

-$11,461,636 QoQ

Shares Held

296,469

-11.3% QoQ

Ownership

0.017%

of shares outstanding

% of Portfolio

0.27%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2022

14 quarters on record

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

Healthcare · as of Mar 31, 2026

GW&K Investment Management, LLC holds $400,658,650 across 19 Medical Devices names. ABT ranks #6 (7.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GMED	Globus Medical Inc	1,494,723	$128,785,333
2	TNDM	Tandem Diabetes Care Inc	2,689,106	$51,550,161
3	BIO	Bio-Rad Laboratories, Inc.	174,708	$48,699,855
4	ITGR	Integer Holdings Corp	527,943	$46,458,984
5	STE	STERIS plc	154,999	$34,274,928
6	ABT	Abbott Laboratories This page	296,469	$30,438,472
7	AORT	Artivion, Inc.	738,703	$27,051,303
8	MASI	Masimo Corp	122,781	$21,839,056

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$30,438,472	296,469	-11.3%	Shares	Sole	2026-05-13
2025-12-31	$41,900,108	334,425	-0.7%	Shares	Sole	2026-02-11
2025-09-30	$45,129,877	336,941	-1.3%	Shares	Sole	2025-11-12
2025-06-30	$46,414,908	341,261	-1.9%	Shares	Sole	2025-08-11
2025-03-31	$46,141,904	347,847	+5.3%	Shares	Sole	2025-05-05
2024-12-31	$37,367,245	330,362	+7.2%	Shares	Sole	2025-02-05
2024-09-30	$35,124,542	308,083	+15.4%	Shares	Sole	2024-11-07
2024-06-30	$27,752,178	267,079	+110.3%	Shares	Sole	2024-08-12
2024-03-31	$14,432,774	126,982	+5901.0%	Shares	Sole	2024-05-08
2023-12-31	$232,908	2,116	+2.7%	Shares	Sole	2024-02-09
2023-09-30	$199,607	2,061	+254.1%	Shares	Sole	2023-11-09
2023-06-30	$63,449	582	+227.0%	Shares	Sole	2023-08-09
2022-06-30	$19,339	178	+58.9%	Shares	Sole	2022-08-09
2022-03-31	$13,256	112	—	Shares	Sole	2022-05-09
No filing history on record for this holder in this stock.