Q3 2026 13F · SEC CIK 61227
MacKay Shields LLC
Asset managerFiled 2026-10-13 for Q3 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $745.2M
- Reported positions
- 29
- Top holdings a year, 3 yrs
- +3.0%
- Assets under management
- $159.5B
MacKay Shields LLC is an asset manager that reported 29 positions worth $745.2M in its Q3 2026 13F, filed 2026-10-13. Its largest holdings were Alphabet Inc (GOOGM, 16.1%), Hewlett Packard Enterprise C (13.2%), Qxo Inc (7.0%). A portfolio copying its top holdings returned 3.0% a year over the last 3 years, against 19.9% for the S&P 500.
MacKay Shields LLC holdings all 29 positions.
Weights are shares of the filer's total reported 13F value, compared with Q2 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| GOOGMAlphabet Inc | 16.1% | +0.0% | $119.7M |
| 42824C208Hewlett Packard Enterprise C | 13.2% | +0.0% | $98.6M |
| 82846H504Qxo Inc | 7.0% | +20.3% | $52.2M |
| 097023204Boeing Co | 6.6% | +0.0% | $48.9M |
| NEE-PQNextera Energy Inc | 6.2% | +0.0% | $45.9M |
| MCHPPMicrochip Technology Inc. | 5.8% | +6.8% | $43.0M |
| BTTBlackrock Mun Target Term Tr | 5.8% | +0.0% | $43.0M |
| 68389X204Oracle Corp | 5.2% | +36.8% | $38.8M |
| ARES-PAAres Management Corporation | 3.9% | +59.8% | $29.4M |
| BAC-PLBank of Amer Corp | 3.4% | +0.1% | $25.5M |
| NINENine Energy Service Inc | 3.0% | -0.8% | $22.4M |
| MYNBlackrock Muniyield N Y Qual | 2.8% | +0.0% | $20.6M |
| MHDBlackrock Muniholdings Fd in | 2.7% | +0.0% | $20.3M |
| IAUIshares Gold Tr | 2.5% | -28.2% | $18.4M |
| TALOTalos Energy Inc | 2.2% | -13.8% | $16.4M |
| WFC-PLWells Fargo & Co | 2.1% | +0.1% | $15.9M |
| MQYBlackrock Muniyild Qult Fd I | 2.1% | +0.0% | $15.8M |
| GPORGulfport Energy Corp | 2.0% | +0.0% | $14.7M |
| GOOGNAlphabet Inc | 1.6% | +0.0% | $12.2M |
| MUJBlackrock Munihldgs Nj Qlty | 1.3% | +0.0% | $9.9M |
| 65339F655NextEra Energy 7.375 15-Feb-2029 PEPS | 1.3% | +0.4% | $9.9M |
| GLDSpdr Gold Tr | 0.8% | +0.0% | $5.8M |
| MIYBlackrock Muniyield Mich Qu | 0.7% | +0.0% | $5.4M |
| MFMAberdeen Mun Income Fd | 0.7% | +225.6% | $5.3M |
| MYIBlackrock Muniyield Quality | 0.6% | +0.0% | $4.2M |
| MUCBlackrock Munihldngs Cali Ql | 0.2% | +0.0% | $1.3M |
| EIMEaton Vance Mun Bd Fd | 0.2% | +0.0% | $1.1M |
| SECRNylim Active ETF Tr | 0.0% | +0.0% | $277K |
| WWWw Intl Inc | 0.0% | +0.0% | $222K |
What MacKay Shields LLC bought and sold in Q3 2026, against Q2 2026.
New positions
No new positions among the largest holdings.
Added to
- MFM Aberdeen Mun Income Fd+225.6% shares
- ARES-PA Ares Management Corporation+59.8% shares
- Oracle Corp+36.8% shares
- Qxo Inc+20.3% shares
- MCHPP Microchip Technology Inc.+6.8% shares
Reduced
- IAU Ishares Gold Tr-28.2% shares
- TALO Talos Energy Inc-13.8% shares
Sold out
Share counts compared with the Q2 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- —
- 3 years
- +3.0% /yr
- S&P 500 +19.9%
- 5 years
- +1.0% /yr
- S&P 500 +9.8%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q3 2026 | $745.2M | 29 |
| Q2 2026 | $813.1M | 32 |
| Q1 2026 | $617.8M | 37 |
| Q4 2025 | $662.4M | 48 |
| Q3 2025 | $740.9M | 54 |
| Q2 2025 | $866.8M | 59 |
| Q1 2025 | $824.8M | 58 |
| Q4 2024 | $796.7M | 57 |
| Q3 2024 | $805.1M | 54 |
| Q2 2024 | $759.3M | 53 |
| Q1 2024 | $753.8M | 48 |
| Q4 2023 | $675.0M | 45 |
Questions about MacKay Shields LLC's portfolio
What stocks does MacKay Shields LLC own?
MacKay Shields LLC's latest 13F, for Q3 2026 and filed Oct 13, 2026, lists 29 positions worth $745.2M. The largest are Alphabet Inc (GOOGM) at 16.1%, Hewlett Packard Enterprise C at 13.2%, Qxo Inc at 7.0%, Boeing Co at 6.6% and Nextera Energy Inc (NEE-PQ) at 6.2%.
What did MacKay Shields LLC buy last quarter?
In Q3 2026, MacKay Shields LLC added Aberdeen Mun Income Fd (MFM) (+225.6% shares), Ares Management Corporation (ARES-PA) (+59.8% shares) and Oracle Corp (+36.8% shares), compared with its Q2 2026 filing.
What did MacKay Shields LLC sell last quarter?
In Q3 2026, MacKay Shields LLC sold all of Apollo Global Mgmt Inc Ser A Mand Cnv (APO-PA), sold all of Warner Bros Discovery Inc (WBD), sold all of Abrdn Natl Mun Income Fd (VFL), Ishares Gold Tr (IAU) (-28.2% shares) and Talos Energy Inc (TALO) (-13.8% shares), compared with its Q2 2026 filing.
How has MacKay Shields LLC's portfolio performed?
A portfolio copying MacKay Shields LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +3.0% a year over the last 3 years, against +19.9% for the S&P 500. Over 5 years: +1.0% a year against +9.8%.
When is MacKay Shields LLC's next 13F filing due?
13F filings are due 45 days after each quarter ends. MacKay Shields LLC's filing for the quarter ending Dec 31, 2026 is due by Feb 14, 2027; this page updates the day after it is published.
How much money does MacKay Shields LLC manage?
MacKay Shields LLC reported $159.5B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $745.2M.