Institutions / Mackay Shields LLC

Mackay Shields LLC

CIK 61227 · Institution · as of Dec 31, 2025

Portfolio value

$2.86B

Positions

132

As of

Dec 31, 2025

Top holdings

Dec 31, 2025View all 132 →

Company	Class	Value	Shares	% of portfolio
Western Digital Corp	—	$86.59M	18,882,000	3.0%
Lumentum Hldgs Inc	—	$85.34M	30,037,000	3.0%
Advanced Energy Inds	—	$73.28M	44,638,000	2.6%
Mirum Pharmaceuticals Inc	—	$65.98M	25,532,000	2.3%
Lantheus Hldgs Inc	—	$65.10M	56,714,000	2.3%
Qxo Inc	—	$65.02M	1,171,159	2.3%
Tetra Tech Inc New	—	$64.82M	59,623,000	2.3%
Boeing Co	—	$57.66M	830,097	2.0%
Cable One Inc	—	$56.65M	69,399,000	2.0%
Uber Technologies Inc	—	$55.40M	42,644,000	1.9%
Apollo Global Mgmt Inc	—	$53.91M	714,292	1.9%
Post Hldgs Inc	—	$53.39M	49,514,000	1.9%
PG&E Corp	—	$52.99M	51,451,000	1.9%
On Semiconductor Corp	—	$46.97M	39,380,000	1.6%
Mks Inc.	—	$46.70M	36,548,000	1.6%
Irhythm Technologies Inc	—	$45.74M	32,682,000	1.6%
Seagate Hdd Cayman	—	$44.71M	13,293,000	1.6%
Snowflake Inc	—	$44.39M	29,853,000	1.6%
Liberty Media Corp Del	—	$43.13M	34,036,000	1.5%
Hewlett Packard Enterprise C	—	$39.62M	597,863	1.4%
Ncl Corp Ltd	—	$38.89M	38,891,000	1.4%
iShares Gold Tr	—	$38.56M	475,000	1.3%
Shift4 Pmts Inc	—	$38.05M	39,492,000	1.3%
Etsy Inc	—	$37.49M	37,045,000	1.3%
Chefs Whse Inc	—	$36.16M	23,784,000	1.3%

Activity

Dec 31, 2025

InsidersInstitutions

This fund's 13F position changes — what it's buying and selling.

No quarter-over-quarter changes yet — position changes appear once we've ingested two consecutive 13F filings for this manager. We currently hold 1 quarter of holdings.