MACKAY SHIELDS LLC
CIK: 0000061227SEC EDGAR →
Portfolio Value
$2.9B
Holdings
132
As of
Q4 2025
New Positions
132
Closed Positions
0
Portfolio Value History
Top 10 Holdings
| Rank | Stock | Shares | Value | % of Portfolio |
|---|---|---|---|---|
| 1 | WESTERN DIGITAL CORP | 18,882,000 | $86.6M | 3.03% |
| 2 | LUMENTUM HLDGS INC | 30,037,000 | $85.3M | 2.99% |
| 3 | ADVANCED ENERGY INDS | 44,638,000 | $73.3M | 2.56% |
| 4 | MIRUM PHARMACEUTICALS INC | 25,532,000 | $66.0M | 2.31% |
| 5 | LANTHEUS HLDGS INC | 56,714,000 | $65.1M | 2.28% |
| 6 | QXO INC | 1,171,159 | $65.0M | 2.28% |
| 7 | TETRA TECH INC NEW | 59,623,000 | $64.8M | 2.27% |
| 8 | BOEING CO | 830,097 | $57.7M | 2.02% |
| 9 | CABLE ONE INC | 69,399,000 | $56.6M | 1.98% |
| 10 | UBER TECHNOLOGIES INC | 42,644,000 | $55.4M | 1.94% |
Quarterly Changes
Top Buys
$86.6M
$85.3M
$73.3M
$66.0M
$65.1M
Top Sells
No sells this quarter
New Positions (132)
$86.6M · 18.9M shares
$85.3M · 30.0M shares
$73.3M · 44.6M shares
$66.0M · 25.5M shares
$65.1M · 56.7M shares
$65.0M · 1.2M shares
$64.8M · 59.6M shares
$57.7M · 830K shares
$56.6M · 69.4M shares
$55.4M · 42.6M shares
$53.9M · 714K shares
$53.4M · 49.5M shares
$53.0M · 51.5M shares
$47.0M · 39.4M shares
$46.7M · 36.5M shares
$45.7M · 32.7M shares
$44.7M · 13.3M shares
$44.4M · 29.9M shares
$43.1M · 34.0M shares
$39.6M · 598K shares
$38.9M · 38.9M shares
$38.6M · 475K shares
$38.0M · 39.5M shares
$37.5M · 37.0M shares
$36.2M · 23.8M shares
$36.0M · 21.1M shares
$35.9M · 36.4M shares
$35.1M · 601K shares
$34.0M · 33.9M shares
$34.0M · 36.9M shares
$33.8M · 33.8M shares
$33.3M · 34.7M shares
$33.2M · 3.0M shares
$32.3M · 28.7M shares
$31.3M · 30.1M shares
$31.3M · 29.7M shares
$31.1M · 1.4M shares
$30.7M · 30.3M shares
$30.3M · 20.4M shares
$30.0M · 26.3M shares
$29.8M · 29.6M shares
$29.0M · 28.6M shares
$29.0M · 30.0M shares
$28.6M · 29.6M shares
$27.7M · 25.1M shares
$26.9M · 26.1M shares
$26.9M · 24.3M shares
$26.2M · 21K shares
$25.9M · 25.5M shares
$25.4M · 2.2M shares
$25.0M · 21.3M shares
$24.7M · 25.0M shares
$24.6M · 24.3M shares
$23.9M · 463K shares
$23.9M · 473K shares
$23.4M · 18.6M shares
$22.6M · 109K shares
$22.1M · 25.2M shares
$21.8M · 14.8M shares
$20.5M · 19.0M shares
$18.0M · 15K shares
$17.8M · 4.8M shares
$17.2M · 18.1M shares
$17.1M · 16.2M shares
$16.7M · 16.9M shares
$16.6M · 10.4M shares
$16.1M · 9.9M shares
$15.8M · 17.6M shares
$15.3M · 15.5M shares
$15.2M · 13.1M shares
$14.7M · 1.2M shares
$14.5M · 15.2M shares
$13.9M · 15.1M shares
$13.8M · 14.2M shares
$12.5M · 1.2M shares
$12.2M · 1.2M shares
$11.7M · 12.8M shares
$11.6M · 1.2M shares
$11.6M · 12.8M shares
$11.1M · 10.2M shares
$10.4M · 981K shares
$10.1M · 1.0M shares
$8.4M · 8.5M shares
$8.4M · 834K shares
$8.3M · 1.2M shares
$8.1M · 8.7M shares
$7.8M · 665K shares
$7.4M · 7.9M shares
$7.3M · 697K shares
$7.0M · 4.8M shares
$6.9M · 6.1M shares
$6.7M · 5.7M shares
$6.7M · 4.5M shares
$6.7M · 7.0M shares
$6.5M · 226K shares
$6.5M · 641K shares
$6.2M · 5.3M shares
$6.1M · 15K shares
$6.0M · 5.6M shares
$5.6M · 5.2M shares
$5.6M · 5.6M shares
$5.4M · 5.4M shares
$5.2M · 480K shares
$5.1M · 4.5M shares
$4.3M · 4.3M shares
$4.2M · 3.7M shares
$4.1M · 4.1M shares
$4.1M · 402K shares
$4.1M · 325K shares
$4.0M · 358K shares
$3.8M · 364K shares
$3.8M · 2.8M shares
$3.2M · 309K shares
$3.1M · 325K shares
$3.1M · 319K shares
$2.7M · 229K shares
$2.2M · 219K shares
$2.0M · 205K shares
$1.8M · 340K shares
$1.2M · 14K shares
$1.0M · 92K shares
$964K · 106K shares
$840K · 93K shares
$737K · 7K shares
$709K · 66K shares
$671K · 635K shares
$549K · 500K shares
$515K · 500K shares
$419K · 14K shares
$286K · 11K shares
$150K · 14K shares
$40K · 45K shares
Sector Breakdown
| Sector | # Holdings | Value | % |
|---|---|---|---|
| Unknown | 95 | $2.6B | 90.4% |
| Technology | 19 | $131.7M | 4.6% |
| Financial Services | 13 | $79.2M | 2.8% |
| Energy | 2 | $55.7M | 2.0% |
| Communication Services | 1 | $6.5M | 0.2% |
| Consumer Defensive | 1 | $737K | 0.0% |
| Consumer Cyclical | 1 | $419K | 0.0% |