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MACKAY SHIELDS LLC
hedge fundUpdated 23 days agoManaged by Mackay Shields Llc • Latest filing Q3 2026
Portfolio value
$2.8B
Q3 2026
Filings
5
Quarterly 13F history
Top-10 concentration
100.0%
Weight of largest holdings
Annualized return
-6.2%
Implied from 13F holdings
Portfolio value history
13F-disclosed portfolio value over 5 quarters
Show data table
| Period | Portfolio value |
|---|---|
| Q3 2025 | $2.9B |
| Q4 2025 | $2.9B |
| Q1 2026 | $2.7B |
| Q2 2026 | $3B |
| Q3 2026 | $2.8B |
Top holdings
297 positions as of Q3 2026
| # | Stock | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|---|
| 1 | $95.9M | 1.94M | 3.48% | Added(+16026.1%) | |
| 2 | $80.8M | 492.7K | 2.93% | Added(+18408.6%) | |
| 3 | $71.1M | 9.62M | 2.58% | Added(+1725.8%) | |
| 4 | $63.5M | 29.39M | 2.30% | Added(+17.5%) | |
| 5 | $59M | 32.17M | 2.14% | Added(+34121.3%) | |
| 6 | $53.5M | 33.92M | 1.94% | Added(+43.5%) | |
| 7 | ? N/A REVOLUTION MEDICINES INC | $52M | 40.33M | 1.88% | Added(+39.4%) |
| 8 | ? N/A UBER TECHNOLOGIES INC | $48.4M | 42.28M | 1.76% | Added(+1829.6%) |
| 9 | $47.1M | 44.29M | 1.71% | Unchanged | |
| 10 | $43.2M | 885.4K | 1.57% | Added(+1493.9%) | |
| 11 | ? N/A QXO INC | $43.1M | 1.18M | 1.56% | Added(+2518.6%) |
| 12 | $42.1M | 36.19M | 1.53% | Unchanged | |
| 13 | $40.5M | 685.6K | 1.47% | Added(+20178.0%) | |
| 14 | ? N/A DATADOG INC | $37.8M | 26.23M | 1.37% | Unchanged |
| 15 | $37.2M | 37.88M | 1.35% | Added(+18376.6%) | |
| 16 | $34.7M | 519.4K | 1.26% | Added(+452.1%) | |
| 17 | $34M | 18.18M | 1.23% | Added(+2095.2%) | |
| 18 | ? N/A POST HLDGS INC | $33.5M | 33.96M | 1.22% | Added(+2197.7%) |
| 19 | $32.9M | 28.02M | 1.19% | Added(+18215.0%) | |
| 20 | ? N/A FRESHPET INC | $32.3M | 28.66M | 1.17% | Added(+2600.8%) |