Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

MACKAY SHIELDS LLC 13F Holdings -- Portfolio & Top Positions (2026-06-30)

MACKAY SHIELDS LLC (CIK 61227) reported $2.99B across 99 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: WDC ($150.8M, 5.05%), GOOGM ($122.6M, 4.11%), MKSI ($107.5M, 3.60%), LITE ($84.1M, 2.82%), LNTH ($74.0M, 2.48%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1WDCWESTERN DIGITAL CORP$150.8M5.05%0Trimmed
2GOOGMALPHABET INC$122.6M4.11%2.4MNew
3MKSIMKS INC.$107.5M3.60%0Trimmed
4LITELUMENTUM HLDGS INC$84.1M2.82%0Trimmed
5LNTHLANTHEUS HLDGS INC$74.0M2.48%0Trimmed
6HPE-PCHEWLETT PACKARD ENTERPRISE C$70.2M2.35%601,263Trimmed
7CABOCABLE ONE INC$58.8M1.97%0Added
8QXOBVQXO INC$57.4M1.92%1.2MTrimmed
9BA-PABOEING CO$56.2M1.88%828,674Trimmed
10TTEKTETRA TECH INC NEW$55.3M1.85%0Trimmed
11UBERUBER TECHNOLOGIES INC$54.3M1.82%0Added
12SNOWSNOWFLAKE INC$54.2M1.81%0Trimmed
13CHEFCHEFS WHSE INC$53.0M1.78%0Trimmed
14ETSYETSY INC$50.9M1.70%0Added
15NEE/PRSNEXTERA ENERGY INC$50.5M1.69%940,950Added
16PCG-PXPG&E CORP$47.5M1.59%0Added
17MCHPPMICROCHIP TECHNOLOGY INC.$46.5M1.56%603,491Added
18BTTBLACKROCK MUN TARGET TERM TR$44.8M1.50%2.0MAdded
19ITGRINTEGER HLDGS CORP$43.9M1.47%0Added
20APO/PRAAPOLLO GLOBAL MGMT INC$43.5M1.46%713,153Trimmed
21BATRA1LIBERTY MEDIA CORP DEL$42.1M1.41%0Trimmed
22PSTUBPOST HLDGS INC$41.7M1.40%0Trimmed
23MMSIMERIT MED SYS INC$41.1M1.38%0New
24AKAMAKAMAI TECHNOLOGIES INC$40.8M1.37%0Added
25ONON SEMICONDUCTOR CORP$40.0M1.34%0Trimmed

Source: SEC Form 13F filings · as of 2026-06-30