MACKAY SHIELDS LLC
AdviserRegulatory profile
From Form ADV, the SEC filer profile, 13D/13G type codes and N-CEN, never from the name.
Portfolio style
Measured from the filed 13F common-share book for Jun 30, 2026, the newest measured quarter, never from the firm's own description.
Closest benchmark: the Nasdaq-100 as of 2026-06-30, active share 93.2%; sector active share 59.4% against the combined 13F book's sector weights.
Over time 26 measured quarters
How the bands are measured
Style bands measure the filed 13F common-share book each closed quarter, tested in this order. Unknown: under $10,000,000 of valued equity or 5 stocks. Index-like (100+ stocks): active share of 20% or less against the closest benchmark, which is the S&P 500, S&P MidCap 400, S&P SmallCap 600, Russell 1000, Russell 2000, Nasdaq-100 or Dow Jones Industrial Average (weighted by an index-tracking fund's reported holdings or the index's constituents nearest the quarter end, over the names resolved to companies, and only when those are 90%+ of its weight) or every 13F filer's combined book, or index series holding 80%+ of the registered fund assets it advises (N-CEN) and equal to 50%+ of its book. Systematic-like: 500+ stocks, 100%+ annual turnover and a top 10 weight of 25% or less. Concentrated: a top 10 weight of 60%+ or 12 or fewer effective positions. Diversified active: none of these. Turnover is the smaller of buys and sells over average equity value, summed over four quarters: low under 30%, high 100%+. Horizon is the value-weighted number of quarters each position has been held: short under 4, long 12+.
Clone Performance
Build a hypothetical price-return history from this filer's public 13F holdings.
View clone backtestPortfolio Concentration
20 tracked positions · as of Sep 30, 2026 · Δ vs Jun 30, 2026Portfolio Trend
Sector Breakdown
As of Sep 30, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Communication Services | 34.6% | $131,289,031 |
| Financial Services | 33.5% | $126,992,872 |
| Energy | 14.1% | $53,416,834 |
| Technology | 11.3% | $42,906,932 |
| Unclassified | 6.4% | $24,233,112 |
| Healthcare | 0.1% | $222,175 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increasedNew Positions
Positions the filer opened this quarter| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| GOOGM |
Alphabet Inc.
Communication Services
|
Added | 2,428,006 | $119,166,532 | 31.44% | |
| BTT |
BlackRock Municipal 2030 Target Term Trust
Financial Services
|
Held | 1,967,980 | $42,980,683 | 11.34% | |
| MCHPP |
Microchip Technology Inc
Technology
|
Added | 644,345 | $42,906,932 | 11.32% | |
| NINE |
Nine Energy Service, Inc.
Energy
|
Reduced | 2,988,165 | $22,351,471 | 5.90% | |
| MYN |
Blackrock Muniyield New York Quality Fund, Inc.
Financial Services
|
Held | 2,349,687 | $20,583,257 | 5.43% | |
| MHD |
Blackrock Muniholdings Fund, Inc.
Financial Services
|
Held | 1,982,355 | $20,338,962 | 5.37% | |
| IAU |
Ishares Gold Trust
|
Reduced | 235,500 | $18,392,550 | 4.85% | |
| TALO |
Talos Energy Inc.
Energy
|
Reduced | 1,003,782 | $16,391,759 | 4.32% | |
| MQY |
Blackrock Muniyield Quality Fund, Inc.
Financial Services
|
Held | 1,594,019 | $15,828,608 | 4.18% | |
| GPOR |
Gulfport Energy Corp
Energy
|
Held | 97,512 | $14,673,604 | 3.87% | |
| GOOGN |
Alphabet Inc.
Communication Services
|
Held | 250,000 | $12,122,499 | 3.20% | |
| MUJ |
Blackrock Muniholdings New Jersey Quality Fund, Inc.
Financial Services
|
Held | 881,952 | $9,948,418 | 2.62% | |
| GLD |
Spdr Gold Trust
|
Held | 15,336 | $5,840,562 | 1.54% | |
| MIY |
Blackrock Muniyield Michigan Quality Fund, Inc.
Financial Services
|
Held | 479,747 | $5,416,342 | 1.43% | |
| MFM |
Aberdeen Municipal Income Fund
Financial Services
|
Added | 1,087,087 | $5,272,371 | 1.39% | |
| MYI |
Blackrock Muniyield Quality Fund III, Inc.
Financial Services
|
Held | 439,004 | $4,227,608 | 1.12% | |
| MUC |
Blackrock Muniholdings California Quality Fund, Inc.
Financial Services
|
Held | 128,815 | $1,255,945 | 0.33% | |
| EIM |
Eaton Vance Municipal Bond Fund
Financial Services
|
Held | 125,764 | $1,140,678 | 0.30% | |
| WW |
Ww International, Inc.
Healthcare
|
Held | 14,371 | $222,175 | 0.06% | |
| SECR |
NYLIM ETF Trust
|
Held | 11,504 | $0 | 0.00% |
Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.