MACKAY SHIELDS LLC Diversified Active

Location: New York, NY

CIK: 0000061227 · Show all filings

Period: Q2 2026 (← Previous) (Next →)

Filing Date: Jul 28, 2026

Total Value: $2.985B (27.2% shares, 72.8% debt)

Holdings (108)

— WESTERN DIGITAL CORP 5.1%
Value $151M Shares 8,952,000 Share Price $16.85 Est. Cost/Share $1.32 Unrealized @ Report Date —
— ALPHABET INC 4.1%
Value $123M Shares 2,427,303 Share Price $50.53 Est. Cost/Share $50.53 Unrealized @ Report Date —
— MKS INC. 3.6%
Value $107M Shares 36,470,000 Share Price $2.95 Est. Cost/Share $0.99 Unrealized @ Report Date —
— LUMENTUM HLDGS INC 2.8%
Value $84.11M Shares 12,884,000 Share Price $6.53 Est. Cost/Share $0.97 Unrealized @ Report Date —
— LANTHEUS HLDGS INC 2.5%
Value $74M Shares 50,863,000 Share Price $1.45 Est. Cost/Share $1.13 Unrealized @ Report Date —
— HEWLETT PACKARD ENTERPRISE C 2.4%
Value $70.21M Shares 601,263 Share Price $116.77 Est. Cost/Share $54.39 Unrealized @ Report Date —
— CABLE ONE INC 2.0%
Value $58.78M Shares 89,888,000 Share Price $0.65 Est. Cost/Share $0.77 Unrealized @ Report Date —
— QXO INC 1.9%
Value $57.41M Shares 1,169,488 Share Price $49.09 Est. Cost/Share $60.15 Unrealized @ Report Date —
— BOEING CO 1.9%
Value $56.17M Shares 828,674 Share Price $67.78 Est. Cost/Share $63.28 Unrealized @ Report Date —
— TETRA TECH INC NEW 1.9%
Value $55.27M Shares 52,445,000 Share Price $1.05 Est. Cost/Share $1.31 Unrealized @ Report Date —
— UBER TECHNOLOGIES INC 1.8%
Value $54.33M Shares 45,364,000 Share Price $1.20 Est. Cost/Share $1.12 Unrealized @ Report Date —
— SNOWFLAKE INC 1.8%
Value $54.16M Shares 32,541,000 Share Price $1.66 Est. Cost/Share $1.49 Unrealized @ Report Date —
— CHEFS WHSE INC 1.8%
Value $53.04M Shares 23,710,000 Share Price $2.24 Est. Cost/Share $1.01 Unrealized @ Report Date —
— ETSY INC 1.7%
Value $50.89M Shares 49,886,000 Share Price $1.02 Est. Cost/Share $1.04 Unrealized @ Report Date —
— NEXTERA ENERGY INC 1.7%
Value $50.46M Shares 940,950 Share Price $53.63 Est. Cost/Share $51.86 Unrealized @ Report Date —
— PG&E CORP 1.6%
Value $47.53M Shares 46,453,000 Share Price $1.02 Est. Cost/Share $1.09 Unrealized @ Report Date —
— MICROCHIP TECHNOLOGY INC. 1.6%
Value $46.45M Shares 603,491 Share Price $76.97 Est. Cost/Share $52.97 Unrealized @ Report Date —
— BLACKROCK MUN TARGET TERM TR 1.5%
Value $44.77M Shares 1,967,980 Share Price $22.75 Est. Cost/Share $23.75 Unrealized @ Report Date —
— INTEGER HLDGS CORP 1.5%
Value $43.94M Shares 45,243,000 Share Price $0.97 Est. Cost/Share $0.96 Unrealized @ Report Date —
— APOLLO GLOBAL MGMT INC 1.5%
Value $43.46M Shares 713,153 Share Price $60.94 Est. Cost/Share $54.97 Unrealized @ Report Date —
— LIBERTY MEDIA CORP DEL 1.4%
Value $42.05M Shares 33,894,000 Share Price $1.24 Est. Cost/Share $0.99 Unrealized @ Report Date —
— POST HLDGS INC 1.4%
Value $41.66M Shares 40,161,000 Share Price $1.04 Est. Cost/Share $1.03 Unrealized @ Report Date —
— MERIT MED SYS INC 1.4%
Value $41.08M Shares 38,073,000 Share Price $1.08 Est. Cost/Share $1.08 Unrealized @ Report Date —
— AKAMAI TECHNOLOGIES INC 1.4%
Value $40.84M Shares 34,024,000 Share Price $1.20 Est. Cost/Share $1.10 Unrealized @ Report Date —
— ON SEMICONDUCTOR CORP 1.3%
Value $39.96M Shares 21,949,000 Share Price $1.82 Est. Cost/Share $1.19 Unrealized @ Report Date —
NINE NINE ENERGY SERVICE INC 1.3%
Value $39.18M Shares 3,011,565 Share Price $13.01 Est. Cost/Share $8.20 Unrealized @ Report Date +58.7%
— DATADOG INC 1.3%
Value $39.07M Shares 27,438,000 Share Price $1.42 Est. Cost/Share $1.00 Unrealized @ Report Date —
— REVOLUTION MEDICINES INC 1.3%
Value $38.07M Shares 30,344,000 Share Price $1.25 Est. Cost/Share $1.25 Unrealized @ Report Date —
— FRESHPET INC 1.2%
Value $36.96M Shares 31,800,000 Share Price $1.16 Est. Cost/Share $1.13 Unrealized @ Report Date —
— BRIDGEBIO PHARMA INC 1.2%
Value $36.92M Shares 33,259,000 Share Price $1.11 Est. Cost/Share $0.88 Unrealized @ Report Date —
— IRHYTHM HOLDINGS INC 1.2%
Value $35.9M Shares 32,598,000 Share Price $1.10 Est. Cost/Share $1.15 Unrealized @ Report Date —
— LIVE NATION ENTERTAINMENT IN 1.2%
Value $35.57M Shares 29,737,000 Share Price $1.20 Est. Cost/Share $1.05 Unrealized @ Report Date —
— PELOTON INTERACTIVE INC 1.2%
Value $34.87M Shares 21,499,000 Share Price $1.62 Est. Cost/Share $1.37 Unrealized @ Report Date —
— FLUOR CORP 1.2%
Value $34.7M Shares 26,167,000 Share Price $1.33 Est. Cost/Share $1.31 Unrealized @ Report Date —
— JAZZ INVESTMENTS I LTD 1.2%
Value $34.66M Shares 20,318,000 Share Price $1.71 Est. Cost/Share $1.71 Unrealized @ Report Date —
— NORTHERN OIL & GAS INC 1.1%
Value $31.9M Shares 33,241,000 Share Price $0.96 Est. Cost/Share $1.16 Unrealized @ Report Date —
— AFFIRM HLDGS INC 1.1%
Value $31.7M Shares 27,113,000 Share Price $1.17 Est. Cost/Share $1.09 Unrealized @ Report Date —
— CYBERARK SOFTWARE LTD 1.1%
Value $31.62M Shares 19,004,000 Share Price $1.66 Est. Cost/Share $1.66 Unrealized @ Report Date —
— CLOUDFLARE INC 1.1%
Value $31.51M Shares 24,872,000 Share Price $1.27 Est. Cost/Share $1.27 Unrealized @ Report Date —
— UNITY SOFTWARE INC 1.0%
Value $30.46M Shares 26,904,000 Share Price $1.13 Est. Cost/Share $1.00 Unrealized @ Report Date —
— ORACLE CORP 1.0%
Value $29.12M Shares 645,801 Share Price $45.09 Est. Cost/Share $45.95 Unrealized @ Report Date —
— MERITAGE HOMES CORP 1.0%
Value $29M Shares 28,031,000 Share Price $1.03 Est. Cost/Share $0.97 Unrealized @ Report Date —
— PATRICK INDS INC 0.9%
Value $28.33M Shares 19,118,000 Share Price $1.48 Est. Cost/Share $0.91 Unrealized @ Report Date —
— LIBERTY MEDIA CORP DEL 0.9%
Value $28.08M Shares 24,458,000 Share Price $1.15 Est. Cost/Share $1.23 Unrealized @ Report Date —
— BURLINGTON STORES INC 0.9%
Value $27.99M Shares 17,529,000 Share Price $1.60 Est. Cost/Share $1.41 Unrealized @ Report Date —
— PROGRESS SOFTWARE CORP 0.9%
Value $27.47M Shares 28,590,000 Share Price $0.96 Est. Cost/Share $1.08 Unrealized @ Report Date —
— BANK OF AMER CORP 0.9%
Value $26.13M Shares 20,806 Share Price $1256.04 Est. Cost/Share $1416.89 Unrealized @ Report Date —
— PARSONS CORP DEL 0.9%
Value $25.81M Shares 26,167,000 Share Price $0.99 Est. Cost/Share $1.01 Unrealized @ Report Date —
— BIOMARIN PHARMACEUTICAL INC 0.9%
Value $25.74M Shares 26,434,000 Share Price $0.97 Est. Cost/Share $1.02 Unrealized @ Report Date —
IAU ISHARES GOLD TR ⚠ 0.8%
Value $24.77M Shares 328,020 Share Price $75.51 Est. Cost/Share $34.57 Unrealized @ Report Date +118.4%
— DROPBOX INC 0.8%
Value $24.61M Shares 24,323,000 Share Price $1.01 Est. Cost/Share $0.95 Unrealized @ Report Date —
— ARROWHEAD PHARMACEUTICALS IN 0.8%
Value $24.48M Shares 20,457,000 Share Price $1.20 Est. Cost/Share $1.17 Unrealized @ Report Date —
— DOORDASH INC 0.8%
Value $24.37M Shares 24,710,000 Share Price $0.99 Est. Cost/Share $0.99 Unrealized @ Report Date —
— SYNAPTICS INC 0.8%
Value $24.04M Shares 16,169,000 Share Price $1.49 Est. Cost/Share $1.06 Unrealized @ Report Date —
— GUIDEWIRE SOFTWARE INC 0.8%
Value $23.98M Shares 24,911,000 Share Price $0.96 Est. Cost/Share $1.10 Unrealized @ Report Date —
— BLACKROCK MUNIYIELD N Y QUAL 0.8%
Value $23.85M Shares 2,349,687 Share Price $10.15 Est. Cost/Share $10.57 Unrealized @ Report Date —
— BLACKROCK MUNIHOLDINGS FD IN 0.8%
Value $23.59M Shares 1,982,355 Share Price $11.90 Est. Cost/Share $13.19 Unrealized @ Report Date —
— RIVIAN AUTOMOTIVE INC 0.7%
Value $22.06M Shares 18,580,000 Share Price $1.19 Est. Cost/Share $0.82 Unrealized @ Report Date —
— GREENBRIER COS INC 0.7%
Value $21.77M Shares 19,032,000 Share Price $1.14 Est. Cost/Share $0.94 Unrealized @ Report Date —
— DEXCOM INC 0.7%
Value $20.92M Shares 22,415,000 Share Price $0.93 Est. Cost/Share $0.94 Unrealized @ Report Date —
— UPSTART HLDGS INC 0.7%
Value $20.63M Shares 25,168,000 Share Price $0.82 Est. Cost/Share $0.88 Unrealized @ Report Date —
— BLACKROCK MUNIYILD QULT FD I 0.6%
Value $18.49M Shares 1,594,019 Share Price $11.60 Est. Cost/Share $12.25 Unrealized @ Report Date —
— SHIFT4 PMTS INC 0.6%
Value $18.29M Shares 19,157,000 Share Price $0.95 Est. Cost/Share $1.08 Unrealized @ Report Date —
— ARES MANAGEMENT CORPORATION 0.6%
Value $18.11M Shares 479,735 Share Price $37.75 Est. Cost/Share $55.78 Unrealized @ Report Date —
— ALNYLAM PHARMACEUTICALS INC 0.6%
Value $17.87M Shares 14,834,000 Share Price $1.20 Est. Cost/Share $0.98 Unrealized @ Report Date —
— WELLS FARGO & CO 0.6%
Value $17.11M Shares 14,748 Share Price $1160.45 Est. Cost/Share $1489.39 Unrealized @ Report Date —
GPOR GULFPORT ENERGY CORP 0.6%
Value $16.55M Shares 97,512 Share Price $169.70 Est. Cost/Share $170.19 Unrealized @ Report Date -0.3%
— NUTANIX INC 0.5%
Value $16.34M Shares 16,565,000 Share Price $0.99 Est. Cost/Share $0.97 Unrealized @ Report Date —
— WORKIVA INC 0.5%
Value $15.54M Shares 16,585,000 Share Price $0.94 Est. Cost/Share $0.95 Unrealized @ Report Date —
— RUBRIK INC. 0.5%
Value $15.17M Shares 14,825,000 Share Price $1.02 Est. Cost/Share $1.02 Unrealized @ Report Date —
TALO TALOS ENERGY INC 0.5%
Value $15.03M Shares 1,163,908 Share Price $12.91 Est. Cost/Share $32.68 Unrealized @ Report Date -60.5%
— MGP INGREDIENTS INC NEW 0.5%
Value $13.86M Shares 14,243,000 Share Price $0.97 Est. Cost/Share $1.26 Unrealized @ Report Date —
— ADVANCED ENERGY INDS 0.4%
Value $13.23M Shares 4,843,000 Share Price $2.73 Est. Cost/Share $1.05 Unrealized @ Report Date —
— BILL HOLDINGS INC 0.4%
Value $13.08M Shares 15,102,000 Share Price $0.87 Est. Cost/Share $0.92 Unrealized @ Report Date —
— ALPHABET INC 0.4%
Value $12.6M Shares 250,000 Share Price $50.39 Est. Cost/Share $50.39 Unrealized @ Report Date —
— GLOBAL PMTS INC 0.4%
Value $11.59M Shares 12,879,000 Share Price $0.90 Est. Cost/Share $0.95 Unrealized @ Report Date —
— NEXTERA ENERGY INC 0.4%
Value $10.97M Shares 228,903 Share Price $47.94 Est. Cost/Share $47.94 Unrealized @ Report Date —
— BLACKROCK MUNIHLDGS NJ QLTY 0.4%
Value $10.86M Shares 881,952 Share Price $12.31 Est. Cost/Share $13.30 Unrealized @ Report Date —
WBD WARNER BROS DISCOVERY INC 0.3%
Value $9.546M Shares 358,060 Share Price $26.66 Est. Cost/Share $18.57 Unrealized @ Report Date +43.6%
— LIFE360 INC 0.3%
Value $9.169M Shares 8,870,000 Share Price $1.03 Est. Cost/Share $1.03 Unrealized @ Report Date —
— GUARDANT HEALTH INC 0.3%
Value $8.928M Shares 7,179,000 Share Price $1.24 Est. Cost/Share $1.24 Unrealized @ Report Date —
— LIVE NATION ENTERTAINMENT IN 0.3%
Value $8.33M Shares 4,676,000 Share Price $1.78 Est. Cost/Share $1.20 Unrealized @ Report Date —
— SPECTRUM BRANDS INC 0.3%
Value $8.208M Shares 7,857,000 Share Price $1.04 Est. Cost/Share $0.91 Unrealized @ Report Date —
— VERTEX INC 0.3%
Value $8.189M Shares 9,152,000 Share Price $0.89 Est. Cost/Share $1.20 Unrealized @ Report Date —
— TELADOC HEALTH INC 0.2%
Value $7.314M Shares 7,505,000 Share Price $0.97 Est. Cost/Share $1.12 Unrealized @ Report Date —
— CLOUDFLARE INC 0.2%
Value $7.243M Shares 5,637,000 Share Price $1.28 Est. Cost/Share $1.01 Unrealized @ Report Date —
— MIRUM PHARMACEUTICALS INC 0.2%
Value $7.199M Shares 1,947,000 Share Price $3.70 Est. Cost/Share $1.35 Unrealized @ Report Date —
— WEC ENERGY GROUP INC 0.2%
Value $6.396M Shares 5,162,000 Share Price $1.24 Est. Cost/Share $1.23 Unrealized @ Report Date —
— SOUTHERN CO 0.2%
Value $6.134M Shares 5,569,000 Share Price $1.10 Est. Cost/Share $1.11 Unrealized @ Report Date —
— HALOZYME THERAPEUTICS INC 0.2%
Value $6.008M Shares 5,407,000 Share Price $1.11 Est. Cost/Share $1.14 Unrealized @ Report Date —
— OSI SYSTEMS INC 0.2%
Value $5.98M Shares 4,485,000 Share Price $1.33 Est. Cost/Share $1.45 Unrealized @ Report Date —
— BLACKROCK MUNIYIELD MICH QU 0.2%
Value $5.886M Shares 479,747 Share Price $12.27 Est. Cost/Share $14.50 Unrealized @ Report Date —
GLD SPDR GOLD TR ⚠ 0.2%
Value $5.649M Shares 15,336 Share Price $368.38 Est. Cost/Share $114.62 Unrealized @ Report Date +221.4%
— FIVE9 INC 0.2%
Value $5.476M Shares 6,155,000 Share Price $0.89 Est. Cost/Share $0.86 Unrealized @ Report Date —
— NUTANIX INC 0.2%
Value $5.164M Shares 4,582,000 Share Price $1.13 Est. Cost/Share $1.21 Unrealized @ Report Date —
— BLACKROCK MUNIYIELD QUALITY 0.2%
Value $4.877M Shares 439,004 Share Price $11.11 Est. Cost/Share $10.51 Unrealized @ Report Date —
— SOUTHERN CO 0.2%
Value $4.871M Shares 4,815,000 Share Price $1.01 Est. Cost/Share $1.01 Unrealized @ Report Date —
— INTEGER HLDGS CORP 0.2%
Value $4.573M Shares 3,756,000 Share Price $1.22 Est. Cost/Share $1.44 Unrealized @ Report Date —
— ABRDN NATL MUN INCOME FD 0.1%
Value $4.166M Shares 401,695 Share Price $10.37 Est. Cost/Share $13.32 Unrealized @ Report Date —
— IONIS PHARMACEUTICALS INC 0.1%
Value $3.752M Shares 2,414,000 Share Price $1.55 Est. Cost/Share $1.04 Unrealized @ Report Date —
— ABERDEEN MUN INCOME FD 0.1%
Value $1.876M Shares 333,822 Share Price $5.62 Est. Cost/Share $6.77 Unrealized @ Report Date —
— BLACKROCK MUNIHLDNGS CALI 0.0%
Value $1.416M Shares 128,815 Share Price $10.99 Est. Cost/Share $10.75 Unrealized @ Report Date —
— EATON VANCE MUN BD FD 0.0%
Value $1.253M Shares 125,764 Share Price $9.96 Est. Cost/Share $10.17 Unrealized @ Report Date —
— PPL CAP FDG INC 0.0%
Value $568K Shares 500,000 Share Price $1.14 Est. Cost/Share $0.96 Unrealized @ Report Date —
SECR NEW YORK LIFE INVTS ACTIVE E 0.0%
Value $292K Shares 11,504 Share Price $25.38 Est. Cost/Share $26.14 Unrealized @ Report Date -2.9%
— BLACKLINE INC 0.0%
Value $272K Shares 295,000 Share Price $0.92 Est. Cost/Share $1.07 Unrealized @ Report Date —
WW WW INTL INC 0.0%
Value $230K Shares 14,371 Share Price $15.98 Est. Cost/Share $34.35 Unrealized @ Report Date -53.5%
— CHEGG INC 0.0%
Value $43,034 Shares 45,000 Share Price $0.96 Est. Cost/Share $0.99 Unrealized @ Report Date —