CIK: 0000061227
Total reported value
$2.7B
Reporting period: 2026-03-31 · Number of holdings: 307
MACKAY SHIELDS LLC disclosed 307 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $2.7B and a quarterly turnover rate of 30.5%.
Browse other institutions with $1B to $10B AUMBrowse other institutions starting with "M"
Add LITE 0.5 06-15-28
-10.8% $58.2M
Add WDC 3 11-15-28
-18.0% $24.2M
Add AEIS 2.5 09-15-28
-11.2% $22.1M
Trim FOUR 0.5 08-01-27
-50.5% -$19.7M
Add MKSI 1.25 06-01-30
-0.1% $13.7M
Add MQY
+345.5% $13.5M
Showing top 111 holdings (of 307 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | LITE 0.5 06-15-28 | Lumentum Holdings INC | Stock-Tech | 5.26% | +2.27% | -10.82% | |
| 2 | WDC 3 11-15-28 | Western Digital CORP | Stock-Tech | 4.06% | +1.03% | -18.04% | |
| 3 | AEIS 2.5 09-15-28 | Advanced Energy Ind | Stock-Industrials | 3.50% | +0.94% | -11.19% | |
| 4 | MIRM 4 05-01-29 | Mirum Pharmaceuticals | Stock-Other | 2.53% | — | -9.71% | |
| 5 | QXO 5.5 05-15-28 | Qxo INC | Stock-Industrials | 2.39% | — | -0.07% | |
| 6 | LNTH 2.625 12-15-27 | Lantheus Holdings INC | Stock-Healthcare | 2.24% | — | -10.26% | |
| 7 | MKSI 1.25 06-01-30 | Mks INC | Stock-Tech | 2.21% | +0.58% | -0.10% | |
| 8 | CABO 1.125 03-15-28 | Cable One INC | Stock-Comm Services | 2.14% | — | +11.47% | |
| 9 | TTEK 2.25 08-15-28 | Tetra Tech INC | Stock-Industrials | 2.10% | -0.17% | -8.56% | |
| 10 | UBER 0.875 12-01-28 2028 | Uber Technologies INC | Stock-Industrials | 2.00% | — | +6.35% | |
| 11 | BA 6 10-15-27 | Boeing Co/the | Stock-Industrials | 1.98% | — | -0.08% | |
| 12 | ON 0 05-01-27 | On Semiconductor CORP | Stock-Tech | 1.86% | — | -0.53% | |
| 13 | PCG 4.25 12-01-27 | Pg&e CORP | Stock-Utilities | 1.76% | — | -9.85% | |
| 14 | POST 2.5 08-15-27 | Post Holdings INC | Stock-Consumer Staples | 1.60% | -0.27% | -18.75% | |
| 15 | ITGR 1.875 03-15-30 | Integer Holdings CORP | Stock-Healthcare | 1.59% | +1.59% | NEW | |
| 16 | APO 6.75 07-31-26 | Apollo Global Management | Stock-Financials | 1.54% | -0.35% | -0.07% | |
| 17 | FWONK 2.25 08-15-27 | Liberty Media CORP | Stock-Comm Services | 1.44% | — | -0.19% | |
| 18 | AKAM 0.375 09-01-27 | Akamai Technologies INC | Stock-Tech | 1.44% | — | -0.12% | |
| 19 | HPE 7.625 09-01-27 | Hp Enterprise Co | Stock-Tech | 1.43% | — | +0.67% | |
| 20 | SNOW 0 10-01-27 | Snowflake INC | Stock-Tech | 1.41% | -0.14% | +9.10% | |
| 21 | NCLH 1.125 02-15-27 | Ncl Corporation LTD | Stock-Consumer Disc | 1.39% | — | — | |
| 22 | BBIO 2.25 02-01-29 | Bridgebio Pharma INC | Stock-Healthcare | 1.37% | — | +16.17% | |
| 23 | NOG 3.625 04-15-29 | Northern Oil & Gas INC | Stock-Energy | 1.34% | +0.32% | +10.90% | |
| 24 | FRPT 3 04-01-28 | Freshpet INC | Stock-Consumer Staples | 1.34% | +0.46% | +48.92% | |
| 25 | IRTC 1.5 09-01-29 | Irhythm Holdings INC | Stock-Healthcare | 1.31% | -0.29% | -0.16% | |
| 26 | BTT | Blackrock 2030 Muni Trgt Trm | Stock-Other | 1.30% | — | +14.82% | |
| 27 | CHEF 2.375 12-15-28 | Chefs' Warehouse THE | Stock-Other | 1.29% | — | -0.15% | |
| 28 | IAU | Ishares Gold Trust | ETF-Commodities | 1.26% | — | -17.86% | |
| 29 | MCHP 7.5 03-15-28 | Microchip Technology INC | Stock-Tech | 1.26% | — | -0.07% | |
| 30 | BURL 1.25 12-15-27 | Burlington Stores INC | Stock-Consumer Disc | 1.24% | — | — | |
| 31 | PATK 1.75 12-01-28 | Patrick Industries INC | Stock-Consumer Disc | 1.22% | — | -9.51% | |
| 32 | DDOG 0 12-01-29 | Datadog INC | Stock-Tech | 1.20% | — | — | |
| 33 | FLR 1.125 08-15-29 | Fluor CORP | Stock-Industrials | 1.19% | — | +0.05% | |
| 34 | LYV 2.875 01-15-30 | Live Nation Entertainmen | Stock-Comm Services | 1.18% | — | +0.18% | |
| 35 | ETSY 0.125 10-01-26 | Etsy INC | Stock-Consumer Disc | 1.17% | -0.14% | -11.63% | |
| 36 | STX 3.5 06-01-28 | Seagate Hdd Cayman | Stock-Tech | 1.16% | -0.40% | -50.06% | |
| 37 | ORCL 6.5 01-15-29 D | Oracle CORP | Stock-Tech | 1.09% | +1.09% | NEW | |
| 38 | DXCM 0.375 05-15-28 | Dexcom INC | Stock-Healthcare | 1.01% | -0.18% | -18.81% | |
| 39 | MTH 1.75 05-15-28 | Meritage Homes CORP | Stock-Consumer Disc | 1.00% | -0.26% | -22.67% | |
| 40 | U 0 03-15-30 | Unity Software INC | Stock-Tech | 0.98% | +0.98% | NEW | |
| 41 | NTNX 0.5 12-15-29 | Nutanix INC | Stock-Tech | 0.98% | — | +0.12% | |
| 42 | NEE 7.299 06-01-27 | Nextera Energy INC | Stock-Utilities | 0.98% | — | +2.07% | |
| 43 | PTON 5.5 12-01-29 | Peloton Interactive INC | Stock-Consumer Disc | 0.95% | +0.95% | NEW | |
| 44 | PSN 2.625 03-01-29 | Parsons CORP | Stock-Tech | 0.95% | — | — | |
| 45 | BMRN 1.25 05-15-27 | Biomarin Pharmaceutical | Stock-Healthcare | 0.94% | -0.22% | -23.53% | |
| 46 | PRGS 3.5 03-01-30 | Progress Software CORP | Stock-Other | 0.94% | — | +0.18% | |
| 47 | SIRI 3.75 03-15-28 | Sirius Xm Holdings | Stock-Comm Services | 0.93% | — | -17.30% | |
| 48 | AFRM 0.75 12-15-29 | Affirm Holdings INC | Stock-Financials | 0.93% | — | +11.92% | |
| 49 | NINE | Nine Energy Service INC | Stock-Other | 0.92% | +0.92% | NEW | |
| 50 | GWRE 1.25 11-01-29 | Guidewire Software INC | Stock-Tech | 0.92% | — | — |
Performance for Q3 2026
—
Performance Last 4 Quarters
—
Based on 0 months of available history
Based on 7% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 307 | $2.7B | 30 | |
| 2025-12-31 | 340 | $2.9B | 27 | |
| 2025-09-30 | 354 | $2.9B | 62 | |
| 2025-06-30 | 364 | $3.1B | 0 | |
| 2025-03-31 | 361 | $3.1B | 100 | |
| 2024-12-31 | 367 | $3.4B | 0 | |
| 2024-09-30 | 368 | $3.6B | 0 | |
| 2024-06-30 | 345 | $3.3B | 0 | |
| 2024-03-31 | 361 | $3.6B | 0 | |
| 2023-12-31 | 360 | $3.4B | 0 | |
| 2023-09-30 | 333 | $3.6B | 0 | |
| 2023-06-30 | 374 | $3.6B | 0 | |
| 2023-03-31 | 386 | $3.6B | 0 | |
| 2022-12-31 | 462 | $3.9B | 0 | |
| 2022-09-30 | 466 | $4.0B | 0 | |
| 2022-06-30 | 498 | $4.1B | 0 | |
| 2022-03-31 | 1438 | $11.4B | 0 | |
| 2021-12-31 | 1442 | $12.0B | 0 | |
| 2021-09-30 | 1395 | $10.6B | 0 | |
| 2021-06-30 | 1378 | $10.6B | 100 | |
| 2021-03-31 | 2988 | $13.7B | 31 | |
| 2020-12-31 | 3172 | $14.5B | 31 | |
| 2020-09-30 | 2990 | $14.7B | 36 | |
| 2020-06-30 | 3079 | $12.5B | 36 | |
| 2020-03-31 | 2888 | $10.8B | 45 | |
| 2019-12-31 | 2832 | $14.5B | 36 | |
| 2019-09-30 | 2897 | $16.4B | 39 | |
| 2019-06-30 | 2991 | $14.7B | 30 | |
| 2019-03-31 | 2958 | $13.8B | 25 | |
| 2018-12-31 | 2666 | $12.3B | 50 | |
| 2018-09-30 | 1146 | $13.1B | 37 | |
| 2018-06-30 | 2281 | $14.4B | 39 | |
| 2018-03-31 | 1313 | $16.0B | 100 | |
| 2017-12-31 | 199 | $2.7B | 23 | |
| 2017-09-30 | 195 | $2.7B | 30 | |
| 2017-06-30 | 166 | $2.4B | 29 | |
| 2017-03-31 | 159 | $2.2B | 21 | |
| 2016-12-31 | 162 | $2.1B | 28 | |
| 2016-09-30 | 159 | $2.2B | 31 | |
| 2016-06-30 | 156 | $2.0B | 33 | |
| 2016-03-31 | 114 | $1.8B | 26 | |
| 2015-12-31 | 119 | $1.8B | 28 | |
| 2015-09-30 | 132 | $1.9B | 27 | |
| 2015-06-30 | 133 | $2.0B | 32 | |
| 2015-03-31 | 134 | $1.9B | 41 | |
| 2014-12-31 | 135 | $1.9B | 33 | |
| 2014-09-30 | 140 | $1.9B | 37 | |
| 2014-06-30 | 121 | $1.8B | 46 | |
| 2014-03-31 | 142 | $2.0B | 54 | |
| 2013-12-31 | 688 | $2.7B | 57 | |
| 2013-09-30 | 124 | $1.9B | 33 | |
| 2013-06-30 | 142 | $1.9B | 0 |
Mackay Shields LLC's most significant position changes for 2026-03-31: New buy: Integer Holdings CORP (ITGR 1.875 03-15-30); Sold out: Ford Motor Company (F 0 03-15-26); Sold out: Tyler Technologies INC (TYL 0.25 03-15-26); New buy: Oracle CORP (ORCL 6.5 01-15-29 D); New buy: Unity Software INC (U 0 03-15-30).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | LITE 0.5 06-15-28 | Lumentum Holdings INC | +2.3% | -10.82% | Trim |
| 2 | WDC 3 11-15-28 | Western Digital CORP | +1% | -18.04% | Trim |
| 3 | AEIS 2.5 09-15-28 | Advanced Energy Ind | +0.9% | -11.19% | Trim |
| 4 | MKSI 1.25 06-01-30 | Mks INC | +0.6% | -0.10% | Trim |
| 5 | MQY | Blackrock Muniyield Quality | +0.5% | +345.46% | Add |
| 6 | FRPT 3 04-01-28 | Freshpet INC | +0.5% | +48.92% | Add |
| 7 | MYN | Blackrock Muniyield Ny Qlty | +0.4% | +100.11% | Add |
| 8 | NOG 3.625 04-15-29 | Northern Oil & Gas INC | +0.3% | +10.90% | Add |
| 9 | SNOW 0 10-01-27 | Snowflake INC | -0.1% | +9.10% | Add |
| 10 | ETSY 0.125 10-01-26 | Etsy INC | -0.1% | -11.63% | Trim |
| 11 | TTEK 2.25 08-15-28 | Tetra Tech INC | -0.2% | -8.56% | Trim |
| 12 | DXCM 0.375 05-15-28 | Dexcom INC | -0.2% | -18.81% | Trim |
| 13 | ARES 6.75 10-01-27 B | Ares Management CORP | -0.2% | +1.48% | Add |
| 14 | FIVN 1 03-15-29 | Five9 INC | -0.2% | -51.07% | Trim |
| 15 | NBH | Neuberger Municipal Fund INC | -0.2% | -49.47% | Trim |
| 16 | BMRN 1.25 05-15-27 | Biomarin Pharmaceutical | -0.2% | -23.53% | Trim |
| 17 | TDOC 1.25 06-01-27 | Teladoc Health INC | -0.3% | -50.61% | Trim |
| 18 | MTH 1.75 05-15-28 | Meritage Homes CORP | -0.3% | -22.67% | Trim |
| 19 | POST 2.5 08-15-27 | Post Holdings INC | -0.3% | -18.75% | Trim |
| 20 | IRTC 1.5 09-01-29 | Irhythm Holdings INC | -0.3% | -0.16% | Trim |
| 21 | MUC | Blackrock Munihold Ca Qlty | -0.3% | -85.04% | Trim |
| 22 | VERX 0.75 05-01-29 | Vertex INC | -0.3% | -49.32% | Trim |
| 23 | APO 6.75 07-31-26 | Apollo Global Management | -0.4% | -0.07% | Trim |
| 24 | TALO | Talos Energy INC | -0.4% | -55.82% | Trim |
| 25 | STX 3.5 06-01-28 | Seagate Hdd Cayman | -0.4% | -50.06% | Trim |
| 26 | QTWO 0.75 06-01-26 | Q2 Holdings INC | -0.4% | -47.98% | Trim |
| 27 | FOUR 0.5 08-01-27 | Shift4 Payments INC | -0.7% | -50.54% | Trim |
| 28 | ITGR 1.875 03-15-30 | Integer Holdings CORP | — | NEW | New buy |
| 29 | F 0 03-15-26 | Ford Motor Company | — | EXIT | Sold out |
| 30 | TYL 0.25 03-15-26 | Tyler Technologies INC | — | EXIT | Sold out |
| 31 | ORCL 6.5 01-15-29 D | Oracle CORP | — | NEW | New buy |
| 32 | U 0 03-15-30 | Unity Software INC | — | NEW | New buy |
| 33 | PTON 5.5 12-01-29 | Peloton Interactive INC | — | NEW | New buy |
| 34 | NINE | Nine Energy Service INC | — | NEW | New buy |
| 35 | CABO 0 03-15-26 | Cable One INC | — | EXIT | Sold out |
| 36 | PI 1.125 05-15-27 | Impinj INC | — | EXIT | Sold out |
| 37 | MUJ | BlackRock MuniHoldings New Jersey Quality Fund, Inc. | — | EXIT | Sold out |
| 38 | RPD 1.25 03-15-29 | Rapid7 INC | — | EXIT | Sold out |
| 39 | XMQTX | Blackrock Muniyield Qlty Ii | — | EXIT | Sold out |
| 40 | HAE 0 03-01-26 | Haemonetics CORP | — | EXIT | Sold out |
| 41 | MHD | BlackRock MuniHoldings Fund, Inc. | — | EXIT | Sold out |
| 42 | XMVFX | Blackrock Munivest Fund | — | EXIT | Sold out |
| 43 | AMPH 2 03-15-29 | Amphastar Pharmaceutical | — | EXIT | Sold out |
| 44 | XMYDX | Blackrock Muniyield Fund | — | EXIT | Sold out |
| 45 | EXPE 0 02-15-26 | Expedia Group INC | — | EXIT | Sold out |
| 46 | CNMD 2.25 06-15-27 | Conmed CORP | — | EXIT | Sold out |
| 47 | DBX 0 03-01-26 | Dropbox INC | — | EXIT | Sold out |
| 48 | MYI | Blackrock Muniyield Qlty Iii | — | NEW | New buy |
| 49 | MTN 0 01-01-26 | Vail Resorts INC | — | EXIT | Sold out |
| 50 | BLK | BlackRock, Inc. | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-04-27 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-01-29 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-10-27 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-07-24 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-04-29 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-04 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-10-31 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-08 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-03 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-02 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-10-25 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-07-27 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-04-27 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-01-31 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-02 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-03 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-13 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-04 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2022-01-18 | Amendment | View on EDGAR |
| 2021-09-30 | 2021-11-12 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-13 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-14 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-02-16 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-11-04 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-07-31 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-08 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-02-11 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-01 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-08-13 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-15 | Amendment | View on EDGAR |
| 2019-03-31 | 2019-05-13 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-14 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-11-14 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-08-06 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-03 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-01-24 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-10-24 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-07-13 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-04-20 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-01-10 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-10-20 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-07-25 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-04-21 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-01-19 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-10-22 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-03 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-05-05 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-01-29 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-10-24 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-07-22 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-05-08 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-01-28 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-11-01 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-08-07 | 13F-HR | View on EDGAR |
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