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Holdings (Monthly) Guide ↗

Columbia Convertible Securities Fund

· Columbia Funds Series Trust
Monthly Holdings $1.8B AUM 169 positions Period May 2026 Filed Jul 29, 2026 EDGAR ↗ ← All Funds
All 54 New 28 Added 25 Reduced 49 Exited · May 2026 vs Feb 2026
# Name Ticker Since Shares Shares Δ Value Val Δ% % Port Cat
1 WESTERN DIGITAL CORP 958102AT2 Feb 2026 7,000,000 +500,000 $98.3M +103.7% 5.39% DBT
2 LUMENTUM HOLDINGS INC 55024UAJ8 Feb 2026 11,000,000 -8,000,000 $50.8M -30.1% 2.79% DBT
3 Bank of America Corp 060505682 Feb 2026 37,648 +8,000 $45.5M +23.5% 2.50% EP
4 LIVE NATION ENTERTAINMEN 538034BC2 Feb 2026 38,000,000 +5,000,000 $43.5M +17.6% 2.39% DBT
5 BOEING CO/THE 097023204 Feb 2026 550,000 $39.9M -0.2% 2.19% EP
6 COLUMBIA SHORT TERM CASH FUND 19766H239 Feb 2026 38,957,837 -15,372,862 $38.9M -28.3% 2.14% STIV
7 ORACLE CORP 68389X204 Feb 2026 560,000 +110,000 $36.1M +74.9% 1.98% EP
8 NEXTERA ENERGY INC 65339F119 Feb 2026 700,000 +250,000 $34.7M +48.0% 1.91% EP
9 AKAMAI TECHNOLOGIES INC 00971TAQ4 May 2026 14,500,000 NEW $25.4M 1.39% DBT
10 COREWEAVE INC 21873SAH1 May 2026 21,000,000 NEW $25.0M 1.37% DBT
11 AKAMAI TECHNOLOGIES INC 00971TAT8 May 2026 22,800,000 NEW $23.6M 1.30% DBT
12 CYBERARK SOFTWARE LTD 23248VAC9 Feb 2026 16,000,000 +5,000,000 $22.9M +103.9% 1.26% DBT
13 BARCLAYS BANK PLC 06744EDH7 Feb 2026 21,500,000 +9,500,000 $22.8M +85.2% 1.25% DBT
14 BLOOM ENERGY CORP 093712AN7 Feb 2026 13,000,000 -22,000,000 $22.6M -45.0% 1.24% DBT
15 GUARDANT HEALTH INC 40131MAE9 Feb 2026 16,000,000 $21.8M +27.5% 1.19% DBT
16 RIVIAN AUTO INC 76954AAD5 Feb 2026 20,000,000 +3,750,000 $20.7M +29.9% 1.14% DBT
17 MICROCHIP TECHNOLOGY INC 595017BM5 May 2026 17,500,000 NEW $20.3M 1.11% DBT
18 CLOUDFLARE INC 18915MAE7 Feb 2026 16,000,000 +1,000,000 $20.1M +27.6% 1.10% DBT
19 WELLTOWER OP LLC 95041AAD0 Feb 2026 12,000,000 +2,000,000 $19.7M +18.8% 1.08% DBT
20 COINBASE GLOBAL INC 19260QAJ6 May 2026 23,000,000 NEW $19.5M 1.07% DBT
21 SNOWFLAKE INC 833445AD1 Feb 2026 11,000,000 +2,500,000 $19.5M +75.2% 1.07% DBT
22 TERAWULF INC 88080TAE4 May 2026 12,500,000 NEW $19.1M 1.05% DBT
23 GALAXY DIGITAL HOLDIN LP 36317GAC0 May 2026 21,500,000 NEW $18.9M 1.04% DBT
24 NEBIUS GROUP NV 63954QAL0 May 2026 12,000,000 NEW $18.7M 1.03% DBT
25 BWX TECHNOLOGIES INC 05605HAD2 Feb 2026 18,000,000 +2,000,000 $18.5M +10.8% 1.02% DBT
26 ON SEMICONDUCTOR CORP 682189AV7 May 2026 16,500,000 NEW $17.9M 0.98% DBT
27 STRATEGY INC 594972AL5 Feb 2026 16,000,000 +4,000,000 $17.9M +54.6% 0.98% DBT
28 HALOZYME THERAPEUTICS IN 40637HAJ8 Feb 2026 17,800,000 +2,950,000 $17.8M +15.5% 0.98% DBT
29 IONIS PHARMACEUTICALS IN 462222AG5 Feb 2026 17,000,000 -2,000,000 $17.8M -15.0% 0.98% DBT
30 SEMTECH CORP 816850AJ0 Feb 2026 10,000,000 -6,000,000 $17.5M -9.3% 0.96% DBT
31 BRUKER CORP 116794207 Feb 2026 40,000 $17.5M +38.7% 0.96% EP
32 JAZZ INVESTMENTS I LTD 472145AH4 Feb 2026 10,000,000 -2,000,000 $16.7M -2.2% 0.92% DBT
33 HP ENTERPRISE CO 42824C208 Feb 2026 150,000 $16.7M +87.4% 0.92% EP
34 SOUTHERN CO 842587842 Feb 2026 330,000 +55,000 $16.6M +12.8% 0.91% EP
35 KKR & CO INC 48251W500 Feb 2026 400,000 +265,000 $16.5M +211.0% 0.91% EP
36 SYNAPTICS INC 87157DAJ8 Feb 2026 10,000,000 -1,500,000 $16.0M +21.1% 0.88% DBT
37 REALTY INCOME CORP 756109CY8 Feb 2026 15,500,000 +7,650,000 $15.9M +90.7% 0.87% DBT
38 FIRSTENERGY CORP 337932AU1 Feb 2026 14,500,000 +3,500,000 $15.9M +24.4% 0.87% DBT
39 PPL CAPITAL FUNDING INC 69352PAS2 May 2026 14,000,000 NEW $15.6M 0.86% DBT
40 BRIDGEBIO PHARMA INC 10806XAJ1 May 2026 10,000,000 NEW $15.5M 0.85% DBT
41 DIGITAL REALTY TRUST LP 25389JAX4 May 2026 14,000,000 NEW $15.3M 0.84% DBT
42 VISHAY INTERTECHNOLOGY 928298AR9 May 2026 8,050,000 NEW $15.2M 0.83% DBT
43 TEMPUS AI INC 88023BAG8 May 2026 14,500,000 NEW $15.2M 0.83% DBT
44 NOVANTA INC 67000B203 Feb 2026 220,000 $14.8M +13.8% 0.81% EP
45 ONTO INNOVATION INC 683344AA3 May 2026 13,850,000 NEW $14.5M 0.80% DBT
46 VOYAGER SPACE HOLDINGS I 92892BAA1 May 2026 8,000,000 NEW $14.3M 0.79% DBT
47 SWIFT HOLDINGS CORP 499049AA2 May 2026 12,500,000 NEW $14.3M 0.78% DBT
48 CMS ENERGY CORP 125896BX7 Feb 2026 13,000,000 +1,500,000 $14.1M +7.9% 0.77% DBT
49 MIRUM PHARMACEUTICALS 604749AC5 May 2026 14,000,000 NEW $14.0M 0.77% DBT
50 JBT MAREL CORP 477839AD6 Feb 2026 14,000,000 +3,000,000 $13.9M +19.2% 0.76% DBT
51 WISDOMTREE INC 97717PAJ3 Feb 2026 11,000,000 -1,000,000 $13.8M -3.1% 0.76% DBT
52 AVNET INC 053807AY9 May 2026 10,000,000 NEW $13.6M 0.75% DBT
53 LANTHEUS HOLDINGS INC 516544AB9 Feb 2026 10,000,000 $13.6M +13.4% 0.75% DBT
54 IREN LTD 46270CAE9 May 2026 13,000,000 NEW $13.5M 0.74% DBT
55 FLUOR CORP 343412AJ1 Feb 2026 11,000,000 +3,000,000 $13.4M +25.7% 0.73% DBT
56 ITRON INC 465741AR7 May 2026 14,500,000 NEW $13.4M 0.73% DBT
57 MKS INC 55306NAB0 Feb 2026 6,000,000 -3,000,000 $13.2M -15.6% 0.73% DBT
58 ULTRA CLEAN HOLDINGS INC 90385VAA5 May 2026 10,000,000 NEW $13.1M 0.72% DBT
59 BLACKSKY TECHNOLOGY INC 09263BAA6 Feb 2026 7,500,000 +500,000 $13.0M +68.5% 0.71% DBT
60 COREWEAVE INC 21873SAD0 Feb 2026 10,000,000 -8,000,000 $12.8M -30.9% 0.70% DBT
61 ADVANCED ENERGY IND 007973AF7 May 2026 13,000,000 NEW $12.8M 0.70% DBT
62 ALLIANT ENERGY CORP 018802AE8 May 2026 12,000,000 NEW $12.7M 0.70% DBT
63 CENTERPOINT ENERGY INC 15189TBQ9 May 2026 12,000,000 NEW $12.5M 0.69% DBT
64 AST SPACEMOBILE INC 00217DAE0 Feb 2026 9,000,000 -2,000,000 $12.4M +8.2% 0.68% DBT
65 MP MATERIALS CORP 553368AC5 Feb 2026 4,000,000 $12.3M +7.9% 0.68% DBT
66 MACOM TECH SOLUTIONS 55405YAD2 Feb 2026 5,500,000 -6,000,000 $12.1M -33.4% 0.67% DBT
67 WEC ENERGY GROUP INC 92939UAR7 Feb 2026 10,000,000 $12.0M -4.1% 0.66% DBT
68 MERIT MEDICAL SYSTEMS IN 589889AB0 May 2026 11,500,000 NEW $12.0M 0.66% DBT
69 CENTRUS ENERGY CORP 15643UAF1 Feb 2026 11,000,000 +1,000,000 $11.8M +2.7% 0.65% DBT
70 INTEGER HOLDINGS CORP 45826HAB5 Feb 2026 9,900,000 +1,700,000 $11.8M +22.2% 0.65% DBT
71 MARA HOLDINGS INC 565788AJ5 May 2026 11,000,000 NEW $11.3M 0.62% DBT
72 Western Digital Corp 958102105 May 2026 20,000 NEW $10.6M 0.58% EC
73 CRESCENT ENERGY CO 44952JAA2 May 2026 10,000,000 NEW $10.6M 0.58% DBT
74 COHU INC 192576AA4 Feb 2026 5,000,000 -2,500,000 $10.4M +4.0% 0.57% DBT
75 VSE CORP 918284209 Feb 2026 210,000 -67,500 $10.3M -36.0% 0.57% EP
76 PG&E CORP 69331C306 Feb 2026 250,000 +50,000 $10.2M +10.3% 0.56% EP
77 EOS ENERGY ENTERPRISES I 29415CAC5 May 2026 12,000,000 NEW $10.2M 0.56% DBT
78 LIBERTY ENERGY INC 53115LAC8 May 2026 9,880,000 NEW $10.2M 0.56% DBT
79 SUPER MICRO COMPUTER INC 86800UAD6 May 2026 9,000,000 NEW $10.1M 0.55% DBT
80 OSCAR HEALTH INC 687793AD1 Feb 2026 8,000,000 -4,000,000 $10.0M -14.8% 0.55% DBT
81 MARA HOLDINGS INC 565788AH9 Feb 2026 10,000,000 -900,000 $9.8M +2.8% 0.54% DBT
82 IREN LTD 46270CAL3 May 2026 8,900,000 NEW $9.7M 0.53% DBT
83 IRHYTHM HOLDINGS INC 450056AB2 May 2026 8,900,000 NEW $9.6M 0.53% DBT
84 QXO INC 82846H504 Feb 2026 195,000 +45,000 $9.5M -4.4% 0.52% EP
85 ORMAT TECHNOLOGIES INC 686688AD4 May 2026 7,900,000 NEW $9.4M 0.51% DBT
86 REVOLUTION MEDICINES INC 76155XAA8 May 2026 8,000,000 NEW $9.3M 0.51% DBT
87 TYLER TECHNOLOGIES INC 902252AE5 May 2026 9,000,000 NEW $9.2M 0.51% DBT
88 HEALTHCARE RLTY HLDGS LP 42225UAS3 May 2026 9,000,000 NEW $9.2M 0.50% DBT
89 CYTOKINETICS INC 23282WAD2 Feb 2026 6,500,000 -3,500,000 $9.1M -26.4% 0.50% DBT
90 IMAX CORP 45245EAK5 Feb 2026 8,000,000 $9.1M -5.2% 0.50% DBT
91 LCI INDUSTRIES 501812AD3 May 2026 8,000,000 NEW $9.1M 0.50% DBT
92 LIVANOVA PLC 53802LAB8 Feb 2026 7,000,000 -1,000,000 $8.9M -10.7% 0.49% DBT
93 DAVE INC 23834JAA0 May 2026 6,940,000 NEW $8.8M 0.48% DBT
94 LIGAND PHARMACEUTICALS I 53220KAG3 Feb 2026 6,500,000 -3,500,000 $8.7M -28.1% 0.48% DBT
95 SOLARIS ENERGY INFRASTRU 83419XAB4 Feb 2026 6,000,000 -2,900,000 $8.7M -17.0% 0.48% DBT
96 ATLAS ENERGY SOLUTIONS 642045AA6 May 2026 6,420,000 NEW $8.6M 0.47% DBT
97 Hewlett Packard Enterprise Co 42824C109 May 2026 200,000 NEW $8.6M 0.47% EC
98 ALBEMARLE CORP 012653200 Feb 2026 120,000 -30,000 $8.4M -21.6% 0.46% EP
99 UBER TECHNOLOGIES INC 90353TAS9 May 2026 7,000,000 NEW $8.4M 0.46% DBT
100 TRAVERE THERAPEUTICS INC 89422GAB3 May 2026 7,900,000 NEW $8.3M 0.46% DBT
101 CALEDONIA MINING CO 129286AA8 Feb 2026 8,500,000 +1,580,000 $8.3M +1.8% 0.45% DBT
102 TETRA TECH INC 88162GAB9 May 2026 7,900,000 NEW $8.2M 0.45% DBT
103 UGI CORP 902681AB1 Feb 2026 6,000,000 $8.0M -6.2% 0.44% DBT
104 MIRION TECHNOLOGIES INC 60471AAA9 Feb 2026 7,500,000 $8.0M -10.0% 0.44% DBT
105 RAMACO RESOURCES INC 75134PAB1 Feb 2026 10,000,000 $8.0M +1.6% 0.44% DBT
106 GOLAR LNG LTD 38046YAC5 May 2026 6,920,000 NEW $7.9M 0.43% DBT
107 WILLIS LEASE FINANCE COR 970646AA3 May 2026 7,900,000 NEW $7.7M 0.42% DBT
108 PLUG POWER INC 72919PAG8 Feb 2026 4,500,000 -1,450,000 $7.6M +25.7% 0.42% DBT
109 COGENT BIOSCIENCES INC 19240QAA0 Feb 2026 6,000,000 -1,500,000 $7.0M -24.4% 0.39% DBT
110 Amkor Technology Inc 031652100 May 2026 100,000 NEW $7.0M 0.38% EC
111 HERTZ CORP/THE 428040DG1 Feb 2026 9,000,000 +2,000,000 $6.9M +43.1% 0.38% DBT
112 VIAVI SOLUTIONS INC 925550AJ4 May 2026 1,800,000 NEW $6.5M 0.36% DBT
113 MICROCHIP TECHNOLOGY INC 595017302 Feb 2026 80,000 -120,000 $6.4M -50.3% 0.35% EP
114 SCORPIO TANKERS INC 80918TAF6 May 2026 5,920,000 NEW $6.2M 0.34% DBT
115 INDIE SEMICONDUCTOR INC 45569UAE1 May 2026 4,000,000 NEW $5.9M 0.33% DBT
116 BRIGHTSPRING HEALTH SERV 10950A205 Feb 2026 28,000 -22,000 $5.7M -18.0% 0.31% EP
117 SHIFT4 PAYMENTS INC 82452J307 May 2026 100,000 NEW $5.7M 0.31% EP
118 HIMS & HERS HEALTH 433000AA4 May 2026 5,950,000 NEW $4.9M 0.27% DBT
119 EVOLENT HEALTH INC 30050BAH4 Feb 2026 7,000,000 $4.8M +23.7% 0.27% DBT
120 AMKOR TECHNOLOGY INC 000000000 May 2026 1,890,000 NEW $2.0M 0.11% DBT
AKAMAI TECHNOLOGIES INC 00971TAP6 16,500,000 SOLD $20.7M
SEAGATE HDD CAYMAN 81180WBL4 4,000,000 SOLD $19.7M
SUPER MICRO COMPUTER INC 86800UAB0 20,000,000 SOLD $18.6M
NEXTERA ENERGY INC 65339F663 300,000 SOLD $17.1M
ZOETIS INC 98978VAY9 16,000,000 SOLD $16.8M
CHECK POINT SOFTWARE 162775AA8 17,000,000 SOLD $16.2M
TERAWULF INC 88080TAC8 10,400,000 SOLD $15.9M
ALLIANT ENERGY CORP 018802AD0 12,000,000 SOLD $12.8M
TRIP.COM GROUP LTD 89677QAB3 12,000,000 SOLD $12.7M
AEROVIRONMENT INC 008073AA6 11,000,000 SOLD $12.6M
OSI SYSTEMS INC 671044AG0 11,880,000 SOLD $12.6M
PPL CAPITAL FUNDING INC 69352PAU7 12,000,000 SOLD $12.6M
NOVA LTD 66982MAA2 8,000,000 SOLD $12.5M
NCL CORPORATION LTD 62886HBW0 12,000,000 SOLD $12.4M
NEBIUS GROUP NV 63954QAE6 12,000,000 SOLD $12.3M
ENERGY FUELS INC 292671AC8 9,000,000 SOLD $11.8M
PARSONS CORP 70202LAD4 11,000,000 SOLD $11.5M
TEMPUS AI INC 88023BAD5 11,000,000 SOLD $11.3M
MERIT MEDICAL SYSTEMS IN 589889AA2 10,000,000 SOLD $11.3M
Vishay Intertechnology Inc 928298108 600,000 SOLD $11.2M
ADVANCED ENERGY IND 007973AE0 4,500,000 SOLD $11.2M
UBER TECHNOLOGIES INC 90353TAM2 9,000,000 SOLD $11.1M
REPLIGEN CORP 759916AD1 10,900,000 SOLD $10.9M
ASTRONICS CORP 046433AE8 6,500,000 SOLD $10.4M
GALAXY DIGITAL HOLDIN LP 36317GAB2 8,500,000 SOLD $10.4M
DOORDASH INC 25809KAA3 10,000,000 SOLD $9.7M
HERCULES CAPITAL INC 427096AL6 10,000,000 SOLD $9.6M
BRIDGEBIO PHARMA INC 10806XAK8 10,000,000 SOLD $9.6M
COMPASS INCORP 20464UAA8 10,000,000 SOLD $9.5M
BRIDGEBIO PHARMA INC 10806XAH5 6,000,000 SOLD $9.4M
NUTANIX INC 67059NAH1 8,900,000 SOLD $9.2M
IREN LTD 46270CAJ8 9,000,000 SOLD $9.0M
Digital Realty Trust Inc 253868103 50,000 SOLD $8.9M
CenterPoint Energy Inc 15189T107 200,000 SOLD $8.7M
PPL CORPORATION 69351T866 162,000 SOLD $8.4M
ENDEAVOUR SILVER CORP 29258YAA1 5,900,000 SOLD $8.2M
UBER TECHNOLOGIES INC 90353TAR1 8,020,000 SOLD $8.2M
SOFI TECHNOLOGIES INC 83406FAC6 4,000,000 SOLD $8.0M
WHIRLPOOL CORP 963320205 160,000 SOLD $7.9M
KALVISTA PHARMA INC 483497AA1 6,000,000 SOLD $7.8M
ALIBABA GROUP HOLDING 01609WBG6 5,000,000 SOLD $7.7M
NEBIUS GROUP NV 63954QAF3 7,700,000 SOLD $7.6M
LCI INDUSTRIES 501812AC5 6,000,000 SOLD $7.6M
ASCENDIS PHARMA A/S 04351PAD3 5,000,000 SOLD $7.5M
INTUITIVE MACHINES INC 46125AAA8 4,500,000 SOLD $7.3M
CELCUITY INC 15102KAA8 3,000,000 SOLD $7.2M
CANADIAN SOLAR INC 136635AK5 7,400,000 SOLD $7.1M
ROCKET LAB USA 773122AA4 500,000 SOLD $6.7M
ARROWHEAD RESEARCH CORP 04280AAC4 4,958,000 SOLD $5.2M