CSFYX
Columbia Convertible Securities Fund
COLUMBIA FUNDS SERIES TRUST

Portfolio moves

Net position changes between two of this fund's N-PORT snapshots. These are differences between point-in-time reports — not a trade log — and share counts can be affected by splits and other corporate actions.

Nov 30, 2025 → Feb 28, 2026

Expand a category to see the positions behind it, ranked by weight.

Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
LYV 2.875 01/15/30 0 33,000,000 33,000,000 2.33% $36.96M
NEXTERA ENERGY INC PREFERRED STOCK 11/27 7.234 0 450,000 450,000 1.48% $23.47M
Akamai Technologies, Inc., Convertible 0 16,500,000 16,500,000 1.30% $20.66M
Oracle Corp., Series D 0 450,000 450,000 1.30% $20.64M
SUPER MICRO COMPUTER INC CONV 3.5% 03/01/2029 0 20,000,000 20,000,000 1.17% $18.57M
CRWV 1.75 12/01/31 0 18,000,000 18,000,000 1.17% $18.56M
MTSI 0 12/15/29 0 11,500,000 11,500,000 1.15% $18.24M
ZTS 0.25 06/15/29 0 16,000,000 16,000,000 1.06% $16.76M
CHKP 0 12/15/30 0 17,000,000 17,000,000 1.02% $16.18M
VSE CORP 5.75% PC 02/01/2029 0 277,500 277,500 1.02% $16.08M
WULF 1 09/01/31 0 10,400,000 10,400,000 1.00% $15.87M
The Southern Company 0 275,000 275,000 0.93% $14.74M
Synaptics, Inc., Convertible 0 11,500,000 11,500,000 0.83% $13.18M
CMS Energy Corporation, Convertible 0 11,500,000 11,500,000 0.83% $13.07M
FIRSTENERGY CORP SR UNSECURED 144A 01/31 3.875 0 11,000,000 11,000,000 0.81% $12.80M
WEC ENERGY GROUP INC SR UNSECURED 06/29 4.375 0 10,000,000 10,000,000 0.79% $12.50M
LNTH 2.625 12/15/27 0 10,000,000 10,000,000 0.76% $11.96M
STRATEGY INC CONV 0.875% 03/15/2031 0 12,000,000 12,000,000 0.73% $11.56M
RGEN 1 12/15/28 0 10,900,000 10,900,000 0.69% $10.92M
GALAXY DIGITAL HOLDINGS LP CONV 2.5% 12/01/2029 144A 0 8,500,000 8,500,000 0.65% $10.35M
Integer Holdings Corporation, Convertible 0 8,200,000 8,200,000 0.61% $9.63M
Bridgebio Pharma, Inc. 0 10,000,000 10,000,000 0.61% $9.58M
COMPASS INC CONV 0.25% 04/15/2031 144A 0 10,000,000 10,000,000 0.60% $9.54M
MARA Holdings, Inc. 0 10,900,000 10,900,000 0.60% $9.49M
PG&E Corp., Series A, Conv. Pfd. 0 200,000 200,000 0.58% $9.24M
NUTANIX INC CONV 0.25% 10/01/2027 0 8,900,000 8,900,000 0.58% $9.16M
IREN Ltd., Series 33, Conv. 0 9,000,000 9,000,000 0.57% $9.03M
DIGITAL REALTY TRUST INC 0 50,000 50,000 0.56% $8.86M
CENTERPOINT ENERGY INC 0 200,000 200,000 0.55% $8.70M
PPL Corp. 0 162,000 162,000 0.53% $8.36M
Realty Income Corporation, Convertible 0 7,850,000 7,850,000 0.53% $8.35M
Endeavour Silver Corp. 0 5,900,000 5,900,000 0.52% $8.20M
Caledonia Mining Corp PLC 0 6,920,000 6,920,000 0.51% $8.11M
Whirlpool Corp 0 160,000 160,000 0.50% $7.86M
NEBIUS GROUP NV CONV 2.75% 09/15/2032 144A 0 7,700,000 7,700,000 0.48% $7.62M
CSIQ 3.25 01/15/31 0 7,400,000 7,400,000 0.45% $7.13M
ARWR 0 01/15/32 0 4,958,000 4,958,000 0.33% $5.22M
EVOLENT HEALTH INC SR UNSECURED 12/29 3.5 0 7,000,000 7,000,000 0.25% $3.92M
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
STRATEGY INC SR UNSECURED 144A 03/30 0.0000 38,000,000 0 -38,000,000 0.00% -$33.99M
LIVE NATION ENTERTAINMENT INC SR UNSECURED 144A 01/30 2.875 30,000,000 0 -30,000,000 0.00% -$30.30M
Coinbase Global, Inc., Convertible 27,000,000 0 -27,000,000 0.00% -$26.50M
WULF 0 05/01/32 23,000,000 0 -23,000,000 0.00% -$23.36M
SOUTHERN CO/THE SR UNSECURED 06/27 4.5 20,500,000 0 -20,500,000 0.00% -$22.37M
SUPER MICRO COMPUTER INC SR UNSECURED 144A 06/30 0.0000 18,000,000 0 -18,000,000 0.00% -$16.83M
BXP 2 10/01/30 17,000,000 0 -17,000,000 0.00% -$16.82M
MTSI 0 12/15/29 13,500,000 0 -13,500,000 0.00% -$16.42M
DLR 1.875 11/15/29 15,500,000 0 -15,500,000 0.00% -$15.90M
PG&E Corporation, Convertible 15,000,000 0 -15,000,000 0.00% -$15.38M
ZSCALER INC SR UNSECURED 144A 07/28 0.0000 16,000,000 0 -16,000,000 0.00% -$15.28M
GLXYLP 0.5 05/01/31 18,000,000 0 -18,000,000 0.00% -$15.00M
CLSK 0 02/15/32 15,000,000 0 -15,000,000 0.00% -$14.80M
WEC ENERGY GROUP INC SR UNSECURED 144A 06/28 3.375 13,000,000 0 -13,000,000 0.00% -$13.39M
DROPBOX INC SR UNSECURED 03/28 0.00000 12,500,000 0 -12,500,000 0.00% -$12.91M
SYNAPTICS INC CONV 0.75% 12/01/2031 144A 12,500,000 0 -12,500,000 0.00% -$12.50M
CNP 4.25 08/15/26 11,000,000 0 -11,000,000 0.00% -$12.42M
DATADOG INC SR UNSECURED 144A 12/29 0.0000 11,500,000 0 -11,500,000 0.00% -$12.17M
Duke Energy Corporation, Convertible 11,000,000 0 -11,000,000 0.00% -$11.79M
Starwood Property Trust, Inc., Convertible 11,000,000 0 -11,000,000 0.00% -$11.37M
LYFT INC CONV 0% 09/15/2030 144A 9,500,000 0 -9,500,000 0.00% -$11.24M
MMYT 0 07/01/30 12,000,000 0 -12,000,000 0.00% -$11.15M
EOS ENERGY ENTERPRISES INC CONV 1.75% 12/01/2031 144A 9,900,000 0 -9,900,000 0.00% -$11.05M
ARES MANAGEMENT CORP CL A 70,000 0 -70,000 0.00% -$10.98M
MARA HOLDINGS INC SR UNSECURED 144A 08/32 0.0000 13,500,000 0 -13,500,000 0.00% -$10.89M
NUTANIX INC SR UNSECURED 144A 12/29 0.5 11,500,000 0 -11,500,000 0.00% -$10.75M
CMS ENERGY CORP SR UNSECURED 144A 05/31 3.125 10,000,000 0 -10,000,000 0.00% -$10.13M
GWRE 1.25 11/01/29 8,500,000 0 -8,500,000 0.00% -$9.73M
BILL HOLDINGS INC SR UNSECURED 144A 04/30 0.0000 10,000,000 0 -10,000,000 0.00% -$9.05M
SHIFT4 PMTS INC 6% MANDAT 100,000 0 -100,000 0.00% -$8.99M
CVLT 0 09/15/30 10,000,000 0 -10,000,000 0.00% -$8.74M
IRHYTHM TECHNOLOGIES INC CONV 1.5% 09/01/2029 6,000,000 0 -6,000,000 0.00% -$8.67M
GOLAR LNG LTD CONV 2.75% 12/15/2030 144A 9,000,000 0 -9,000,000 0.00% -$8.66M
DOCN 0 08/15/30 6,000,000 0 -6,000,000 0.00% -$7.95M
EVOLENT HEALTH INC CONV 4.5% 08/15/2031 144A 10,000,000 0 -10,000,000 0.00% -$7.58M
Vizsla Silver Corp. 5,950,000 0 -5,950,000 0.00% -$7.15M
APOLLO GLOBAL MANAGEMENT PFD 100,000 0 -100,000 0.00% -$6.92M
PLANET LABS PBC CONV 0.5% 10/15/2030 144A 4,000,000 0 -4,000,000 0.00% -$5.04M
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
Lumentum Holdings Inc., Conv. 18,000,000 19,000,000 1,000,000 4.59% $38.42M
COLUMBIA SHORT TERM CASH FUND 31,201,807 54,330,699 23,128,892 3.43% $23.13M
JAZZ INVTS I LTD CONV 3.125% 09/15/2030 8,500,000 12,000,000 3,500,000 1.08% $5.52M
GUARDANT HEALTH INC CONV 0% 05/15/2033 144A 14,000,000 16,000,000 2,000,000 1.08% $1.28M
BWX Technologies, Inc., Convertible 12,000,000 16,000,000 4,000,000 1.05% $5.12M
Novanta Inc PREFERRED STOCK 200,000 220,000 20,000 0.82% $2.55M
TRIP.COM GROUP LTD SR UNSECURED 06/29 0.75 7,000,000 12,000,000 5,000,000 0.80% $4.19M
BRUKER CORP SER A PC 28,000 40,000 12,000 0.80% $2.15M
AVAV 0 07/15/30 10,000,000 11,000,000 1,000,000 0.80% $892.24K
CYTOKINETICS INC SR UNSECURED 144A 10/31 1.75 9,000,000 10,000,000 1,000,000 0.78% $980.58K
OSCR 2.25 09/01/30 11,000,000 12,000,000 1,000,000 0.74% -$76.50K
LEU 0 08/15/32 6,000,000 10,000,000 4,000,000 0.73% $3.52M
TEMPUS AI INC CONV 0.75% 07/15/2030 144A 9,500,000 11,000,000 1,500,000 0.71% -$433.14K
UBER TECHNOLOGIES INC SR UNSECURED 12/28 0.875 7,500,000 9,000,000 1,500,000 0.70% $950.53K
UBER TECHNOLOGIES INC CV 144A LIFE 0.0% 05-15-28 6,930,000 8,020,000 1,090,000 0.52% $1.27M
SOFI TECHNOLOGIES INC CONV 1.25% 03/15/2029 144A 2,500,000 4,000,000 1,500,000 0.50% -$750
RAMACO RESOURCES INC CONV 0% 11/01/2031 9,000,000 10,000,000 1,000,000 0.49% $787.40K
Plug Power, Inc. 4,950,000 5,950,000 1,000,000 0.38% $1.21M
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
BLOOM ENERGY CORP CONV 0% 11/15/2030 144A 40,000,000 35,000,000 -5,000,000 2.60% $3.56M
Boeing Co. (The), Conv. Pfd. 650,000 550,000 -100,000 2.52% -$703.51K
STX 3.5 06/01/28 5,000,000 4,000,000 -1,000,000 1.25% $2.91M
NEXTERA ENERGY INC PREFFERD STOCK 475,000 300,000 -175,000 1.08% -$9.07M
Welltower OP, LLC, Convertible 11,000,000 10,000,000 -1,000,000 1.05% -$1.68M
RIVN 3.625 10/15/30 20,000,000 16,250,000 -3,750,000 1.01% -$3.89M
NET 0 06/15/30 17,000,000 15,000,000 -2,000,000 0.99% -$2.95M
MKS INC SR UNSECURED 06/30 1.25 10,000,000 9,000,000 -1,000,000 0.99% $3.07M
MICROCHIP TECHNOLOGY INC SER A 7.5% PC 03/15/2028 240,000 200,000 -40,000 0.82% $600.40K
NVMI 0 09/15/30 8,500,000 8,000,000 -500,000 0.79% $2.16M
NCLH 0.75 09/15/30 18,000,000 12,000,000 -6,000,000 0.79% -$3.66M
BARCLAYS BANK PLC SR UNSECURED 02/29 1 13,500,000 12,000,000 -1,500,000 0.78% -$2.54M
Nebius Group NV 1.0%, Due 09/15/2030 16,000,000 12,000,000 -4,000,000 0.77% -$4.56M
Energy Fuels Inc., Conv. 11,000,000 9,000,000 -2,000,000 0.75% $642.98K
JBT MAREL CORP SR UNSECURED 144A 09/30 0.375 12,000,000 11,000,000 -1,000,000 0.74% -$163.34K
AST SPACEMOBILE INC SR UNSECURED 144A 01/36 2 19,000,000 11,000,000 -8,000,000 0.72% -$4.44M
CYBR 0 06/15/30 15,000,000 11,000,000 -4,000,000 0.71% -$5.04M
AEIS 2.5 09/15/28 5,000,000 4,500,000 -500,000 0.70% $2.93M
SNOWFLAKE INC SR UNSECURED 10/29 0.00000 10,000,000 8,500,000 -1,500,000 0.70% -$6.05M
ALBEMARLE CORP PFD 200,000 150,000 -50,000 0.68% -$232.65K
FLUOR CORP SR UNSECURED 08/29 1.125 10,000,000 8,000,000 -2,000,000 0.67% -$1.21M
Astronics Corporation 10,000,000 6,500,000 -3,500,000 0.66% -$1.15M
SOLARIS ENERGY INFRASTRUCTURE SR UNSECURED 10/31 0.25 11,000,000 8,900,000 -2,100,000 0.66% -$1.65M
COHU INC CONV 1.5% 01/15/2031 144A 8,000,000 7,500,000 -500,000 0.63% $933.51K
QXO INC PREFERRED STOCK 05/28 5.5 220,000 150,000 -70,000 0.63% -$1.91M
LIVN 2.5 03/15/29 11,000,000 8,000,000 -3,000,000 0.63% -$3.03M
DOORDASH INC SR UNSECURED 144A 05/30 0.0000 15,000,000 10,000,000 -5,000,000 0.61% -$5.15M
HTGC 4.75 09/01/28 16,500,000 10,000,000 -6,500,000 0.61% -$6.67M
BRIDGEBIO PHARMA INC SR UNSECURED 144A 03/31 1.75 7,000,000 6,000,000 -1,000,000 0.59% -$2.25M
COGT 1.625 11/15/31 8,500,000 7,500,000 -1,000,000 0.59% -$1.04M
Mirion Technologies (US), Inc. 8,000,000 7,500,000 -500,000 0.56% -$1.70M
HPE 7 5/8 180,000 150,000 -30,000 0.56% -$2.06M
KalVista Pharmaceuticals Inc 8,000,000 6,000,000 -2,000,000 0.49% -$1.60M
BLACKSKY TECHNOLOGY INC CONV 8.25% 08/01/2033 144A 8,000,000 7,000,000 -1,000,000 0.49% -$536.52K
BABA 0.5 06/01/31 6,500,000 5,000,000 -1,500,000 0.49% -$3.00M
LCI Industries, Convertible 8,000,000 6,000,000 -2,000,000 0.48% -$1.33M
ASND 2.25 04/01/28 7,000,000 5,000,000 -2,000,000 0.47% -$2.39M
Intuitive Machines Inc 8,000,000 4,500,000 -3,500,000 0.46% -$1.05M
CELCUITY INC CONV 2.75% 08/01/2031 3,500,000 3,000,000 -500,000 0.45% -$453.80K
ROCKET LAB USA INC CONV 4.25% 02/01/2029 144A 1,000,000 500,000 -500,000 0.42% -$1.47M
KKR & Company, Inc., Convertible, 6.250% 175,000 135,000 -40,000 0.34% -$3.39M
Hertz Corp/The 11,000,000 7,000,000 -4,000,000 0.30% -$3.84M
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
WESTERN DIGITAL CORPORATION SR UNSEC CV 3.0% 11-15-28 6,500,000 6,500,000 0 3.05% $19.99M
Bank of America Corp., Series L, Conv. Pfd. 29,648 29,648 0 2.33% -$266.54K
IONS 0 12/01/30 19,000,000 19,000,000 0 1.32% $227.00K
SMTC 0 10/15/30 16,000,000 16,000,000 0 1.22% $2.37M
HALOZYME THERAPEUTICS INC CONV 0.875% 11/15/2032 144A 14,850,000 14,850,000 0 0.97% -$153.34K
WT 4.625 08/15/30 12,000,000 12,000,000 0 0.90% $2.22M
LNT 3 1/4 05/30/28 12,000,000 12,000,000 0 0.81% $264.62K
OSI SYSTEMS INC SR UNSECURED 144A 02/31 0.5 11,880,000 11,880,000 0 0.80% $641.77K
PPL Capital Funding, Inc., Convertible 12,000,000 12,000,000 0 0.79% $336.66K
LIGAND PHARMACEUTICALS INC CONV 0.75% 10/01/2030 144A 10,000,000 10,000,000 0 0.77% $72.00K
PSN 2.625 03/01/29 11,000,000 11,000,000 0 0.73% -$1.00M
MPUS 3 03/01/30 4,000,000 4,000,000 0 0.72% -$562.00K
MMSI 3 02/01/29 10,000,000 10,000,000 0 0.71% -$660.58K
VISHAY INTERTECHNOLOGY INC 600,000 600,000 0 0.71% $3.03M
IMAX CORP SR UNSECURED 144A 11/30 0.75 8,000,000 8,000,000 0 0.61% $940.00K
UGI Corporation, Convertible 6,000,000 6,000,000 0 0.54% -$180.95K
BTSG 6.75 02/01/27 50,000 50,000 0 0.44% $831.68K

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.