NPORT-P false 0000002110 XXXXXXXX S000009184 C000024954 C000024956 C000024957 C000122736 C000122737 C000251059 COLUMBIA ACORN TRUST 811-01829 0000002110 549300DX0CWIN8VE1908 290 Congress Street Boston 02210 1800-345-6611 Columbia Acorn Fund S000009184 549300X3KJ5X2R54O387 2026-12-31 2026-03-31 N 2249862358.60 4399447.15 2245462911.45 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 20.71000000 N Absci Corp N/A 00091E109 2566842.00000000 NS USD 7700526.00000000 0.342937127161 Long EC CORP US N 1 N N N Adaptive Biotechnologies Corp 549300ZTF7OT1FW66Q96 00650F109 1148404.00000000 NS USD 15939847.52000000 0.709869107110 Long EC CORP US N 1 N N N Advanced Energy Industries Inc 549300756XI3QLFT2U27 007973100 28789.00000000 NS USD 9290498.19000000 0.413745341445 Long EC CORP US N 1 N N N AeroVironment Inc 529900PGHVI29YLZ6221 008073108 153583.00000000 NS USD 28113368.15000000 1.252007682097 Long EC CORP US N 1 N N N Alignment Healthcare Inc N/A 01625V104 1618094.00000000 NS USD 28510816.28000000 1.269707735301 Long EC CORP US N 1 N N N Annexon Inc N/A 03589W102 975637.00000000 NS USD 5405028.98000000 0.240708895811 Long EC CORP US N 1 N N N Antero Resources Corp APVBKPOULHUX7YZLKU17 03674X106 355938.00000000 NS USD 15106008.72000000 0.672734724005 Long EC CORP US N 1 N N N Applied Digital Corp 2549004NE2B6RYXINZ02 038169207 439896.00000000 NS USD 10443131.04000000 0.465076977524 Long EC CORP US N 1 N N N Applied Industrial Technologies Inc 549300NU173IJRC6PO38 03820C105 84867.00000000 NS USD 22516912.44000000 1.002773741003 Long EC CORP US N 1 N N N Astronics Corp 549300NNXCF8H4MSMK17 046433108 340163.00000000 NS USD 22699076.99000000 1.010886302073 Long EC CORP US N 1 N N N Axon Enterprise Inc 549300QP2IEEGFE16681 05464C101 61466.00000000 NS USD 26103995.54000000 1.162521785903 Long EC CORP US N 1 N N N BJ's Wholesale Club Holdings Inc 549300UCIWH1C93V0J03 05550J101 350621.00000000 NS USD 34508118.82000000 1.536793088143 Long EC CORP US N 1 N N N Billiontoone Inc N/A 090168105 166205.00000000 NS USD 13120222.70000000 0.584299238838 Long EC CORP US N 1 N N N BioLife Solutions Inc 549300G2IVCMC2TJDW72 09062W204 696462.00000000 NS USD 13288494.96000000 0.591793117233 Long EC CORP US N 1 N N N Bloom Energy Corp 549300XB5J9BFW5JXV97 093712107 288864.00000000 NS USD 39138183.36000000 1.742989526143 Long EC CORP US N 1 N N N Blue Owl Capital Inc N/A 09581B103 1391042.00000000 NS USD 12700213.46000000 0.565594443588 Long EC CORP US N 1 N N N Bridgebio Pharma Inc 54930028YG89VTY2J114 10806X102 316495.00000000 NS USD 23502918.70000000 1.046684787361 Long EC CORP US N 1 N N N Carlyle Group Inc/The 529900NGGVF94UK6PG95 14316J108 950835.00000000 NS USD 46010905.65000000 2.049061038389 Long EC CORP US N 1 N N N Cavco Industries Inc N/A 149568107 83379.00000000 NS USD 40379615.91000000 1.798275789998 Long EC CORP US N 1 N N N Celestica Inc 549300J3CG5T6RZWLN53 15101Q207 172300.00000000 NS USD 48533464.00000000 2.161401275100 Long EC CORP CA N 1 N N N Charles River Laboratories International Inc 549300BSQ0R4UZ5KX287 159864107 70538.00000000 NS USD 12167805.00000000 0.541884033708 Long EC CORP US N 1 N N N Churchill Downs Inc 529900FODTBQC8MIS994 171484108 539022.00000000 NS USD 48420346.26000000 2.156363661724 Long EC CORP US N 1 N N N Coherent Corp 549300O5C25A0MMHHU33 19247G107 172879.00000000 NS USD 41181506.59000000 1.833987387634 Long EC CORP US N 1 N N N COLUMBIA SHORT TERM CASH FUND N/A 19766H239 19982329.07000000 NS USD 19974336.14000000 0.889542019961 Long STIV RF US N 1 N N N Crinetics Pharmaceuticals Inc 549300Q1CNFXK5P31D28 22663K107 252431.00000000 NS USD 9168293.92000000 0.408303066296 Long EC CORP US N 1 N N N Curtiss-Wright Corp TEL51ETZWP7D0ZM4X325 231561101 65825.00000000 NS USD 44834724.00000000 1.996680674233 Long EC CORP US N 1 N N N Definium Therapeutics Inc 549300QY8KN1O6RPFJ13 24477V105 512390.00000000 NS USD 9684171.00000000 0.431277263615 Long EC CORP CA N 1 N N N Devon Energy Corp 54930042348RKR3ZPN35 25179M103 421587.00000000 NS USD 21214257.84000000 0.944760999249 Long EC CORP US N 1 N N N Dorman Products Inc 2549000O0BBUX740XR59 258278100 344653.00000000 NS USD 35967987.08000000 1.601807221869 Long EC CORP US N 1 N N N Doximity Inc N/A 26622P107 432308.00000000 NS USD 10072776.40000000 0.448583512497 Long EC CORP US N 1 N N N Dynatrace Inc 6488T0Z33CE9L61EX904 268150109 695469.00000000 NS USD 25718443.62000000 1.145351521454 Long EC CORP US N 1 N N N elf Beauty Inc 549300U2K9TCON25C029 26856L103 444462.00000000 NS USD 26938841.82000000 1.199701036371 Long EC CORP US N 1 N N N EQT Corp 4NT01YGM4X7ZX86ISY52 26884L109 311439.00000000 NS USD 19819977.96000000 0.882667794642 Long EC CORP US N 1 N N N Encompass Health Corp 549300FVRPM9DRQZRG64 29261A100 230244.00000000 NS USD 22271502.12000000 0.991844577188 Long EC CORP US N 1 N N N Esab Corp 549300ZNV0SWBXEIWT04 29605J106 372810.00000000 NS USD 36035814.60000000 1.604827869400 Long EC CORP US N 1 N N N Fortrea Holdings Inc 5493000FIVFABOVCDU97 34965K107 1173131.00000000 NS USD 11050894.02000000 0.492143244212 Long EC CORP US N 1 N N N GCM Grosvenor Inc N/A 36831E108 4428750.00000000 NS USD 43401750.00000000 1.932864256126 Long EC CORP US N 1 N N N Glaukos Corp 5299004JA1LHE21M6T14 377322102 311474.00000000 NS USD 33533290.84000000 1.493379858068 Long EC CORP US N 1 N N N Guardant Health Inc 254900M8C3E5VC8BR186 40131M109 303784.00000000 NS USD 28060528.08000000 1.249654489366 Long EC CORP US N 1 N N N Hamilton Lane Inc 5493006OKN3V1NORM833 407497106 169441.00000000 NS USD 16842435.40000000 0.750065178726 Long EC CORP US N 1 N N N Healthcare Services Group Inc 529900GVZ1D2FBYMS719 421906108 784900.00000000 NS USD 14559895.00000000 0.648413960691 Long EC CORP US N 1 N N N HealthEquity Inc 529900LRJU1RAFQHM467 42226A107 422315.00000000 NS USD 35292864.55000000 1.571741148341 Long EC CORP US N 1 N N N Hut 8 Corp 98450066FEF9C1D3FC20 44812J104 240717.00000000 NS USD 11292034.47000000 0.502882252582 Long EC CORP US N 1 N N N IRhythm Holdings Inc 549300FJI72RJGDQS384 450056106 169788.00000000 NS USD 20038379.76000000 0.892394154355 Long EC CORP US N 1 N N N Insmed Inc 529900Q55QAG41CCAC11 457669307 336411.00000000 NS USD 55009926.72000000 2.449825665767 Long EC CORP US N 1 N N N InterDigital Inc N/A 45867G101 140996.00000000 NS USD 42580792.00000000 1.896303509751 Long EC CORP US N 1 N N N Ionis Pharmaceuticals Inc 549300SI4ZGLG0BLUZ92 462222100 148670.00000000 NS USD 11163630.30000000 0.497163869555 Long EC CORP US N 1 N N N Janus International Group Inc N/A 47103N106 3345300.00000000 NS USD 17228295.00000000 0.767249145472 Long EC CORP US N 1 N N N Karman Holdings Inc N/A 485924104 220172.00000000 NS USD 17624768.60000000 0.784905798716 Long EC CORP US N 1 N N N Knight-Swift Transportation Holdings Inc N/A 499049104 437705.00000000 NS USD 25203053.90000000 1.122399028346 Long EC CORP US N 1 N N N Kratos Defense & Security Solutions Inc 5493000EKBN0UY1F3F88 50077B207 233250.00000000 NS USD 16446457.50000000 0.732430601108 Long EC CORP US N 1 N N N Lakeland Financial Corp N/A 511656100 214229.00000000 NS USD 12292460.02000000 0.547435451163 Long EC CORP US N 1 N N N Lattice Semiconductor Corp 549300LRBBPZDQ2II567 518415104 184881.00000000 NS USD 17149561.56000000 0.763742811005 Long EC CORP US N 1 N N N Madrigal Pharmaceuticals Inc 549300CHIMT2EUSNJB60 558868105 26454.00000000 NS USD 13847875.38000000 0.616704703043 Long EC CORP US N 1 N N N Marvell Technology Inc 254900WVU0BM7ZCJ9E93 573874104 298398.00000000 NS USD 29556321.90000000 1.316268540855 Long EC CORP US N 1 N N N MasTec Inc 549300TMDIT8WREDOF45 576323109 131179.00000000 NS USD 42205531.46000000 1.879591564161 Long EC CORP US N 1 N N N McGrath RentCorp 254900EUH6IPWFQ83445 580589109 136694.00000000 NS USD 15074614.32000000 0.671336598040 Long EC CORP US N 1 N N N Miami International Holdings Inc 254900TREUDBWGLAP788 59356Q108 426477.00000000 NS USD 16598484.84000000 0.739201024223 Long EC CORP US N 1 N N N Modine Manufacturing Co Z35SZFYJR8GZZRSIUU09 607828100 189531.00000000 NS USD 41073263.01000000 1.829166841302 Long EC CORP US N 1 N N N Mueller Water Products Inc 549300F7ZU4P1F8V8L60 624758108 483160.00000000 NS USD 13282068.40000000 0.591506915223 Long EC CORP US N 1 N N N Neurocrine Biosciences Inc 549300FECER0XBN49756 64125C109 116190.00000000 NS USD 15306870.60000000 0.681679956589 Long EC CORP US N 1 N N N Nextpower Inc N/A 65290E101 71632.00000000 NS USD 8635237.60000000 0.384563804459 Long EC CORP US N 1 N N N Nuvalent Inc N/A 670703107 174598.00000000 NS USD 17887565.10000000 0.796609242966 Long EC CORP US N 1 N N N Parsons Corp 549300ZXH0VRBSEPX752 70202L102 486820.00000000 NS USD 26371039.40000000 1.174414383133 Long EC CORP US N 1 N N N Paylocity Holding Corp 549300VH75FTB4DIEE07 70438V106 167076.00000000 NS USD 18050891.04000000 0.803882840725 Long EC CORP US N 1 N N N Pennant Group Inc/The 5493007H2OYR6BYLDA64 70805E109 699307.00000000 NS USD 21314877.36000000 0.949242013809 Long EC CORP US N 1 N N N Repligen Corp 54930006QJ0T5AUO1E71 759916109 159623.00000000 NS USD 18806781.86000000 0.837545869232 Long EC CORP US N 1 N N N Revolution Medicines Inc 549300JU3X0LBCQ65892 76155X100 135489.00000000 NS USD 13176305.25000000 0.586796832974 Long EC CORP US N 1 N N N Rhythm Pharmaceuticals Inc 529900JPNWXQ8DPLA551 76243J105 124824.00000000 NS USD 10855943.28000000 0.483461259798 Long EC CORP US N 1 N N N Rush Street Interactive Inc N/A 782011100 631555.00000000 NS USD 13736321.25000000 0.611736723860 Long EC CORP US N 1 N N N Ryan Specialty Holdings Inc N/A 78351F107 647394.00000000 NS USD 21843073.56000000 0.972764833862 Long EC CORP US N 1 N N N State Street SPDR S&P Biotech ETF 549300Y3ODFMPD5XXL58 78464A870 278004.00000000 NS USD 35509450.92000000 1.581386659246 Long EC RF US N 1 N N N SPX Technologies Inc P761FCI0CPOG24I8JE10 78473E103 279748.00000000 NS USD 55932815.12000000 2.490925805756 Long EC CORP US N 1 N N N SailPoint Inc N/A 78781J109 944155.00000000 NS USD 12500612.20000000 0.556705351767 Long EC CORP US N 1 N N N Semtech Corp 549300J7WUY317SW6O61 816850101 421296.00000000 NS USD 32393449.44000000 1.442617879583 Long EC CORP US N 1 N N N SiTime Corp N/A 82982T106 48846.00000000 NS USD 16868966.10000000 0.751246703474 Long EC CORP US N 1 N N N Sprouts Farmers Market Inc 529900P8F4G77Q52XE24 85208M102 248151.00000000 NS USD 19139886.63000000 0.852380439347 Long EC CORP US N 1 N N N Sterling Infrastructure Inc 549300RZIK6K1215XU51 859241101 107856.00000000 NS USD 43926513.12000000 1.956234186546 Long EC CORP US N 1 N N N StoneX Group Inc 549300JUF07L8VF02M60 861896108 413430.00000000 NS USD 33343129.50000000 1.484911165977 Long EC CORP US N 1 N N N TopBuild Corp 5493007YSKHOL4RWII46 89055F103 92442.00000000 NS USD 32474874.60000000 1.446244087773 Long EC CORP US N 1 N N N VSE Corp 549300QWJYQDH4U5XI15 918284100 223919.00000000 NS USD 41290663.60000000 1.838848612882 Long EC CORP US N 1 N N N Viavi Solutions Inc 5493006K3E3N1QOBF092 925550105 1333081.00000000 NS USD 44364935.68000000 1.975759005137 Long EC CORP US N 1 N N N WD-40 Co 549300UZHTN0CNKBOB19 929236107 146352.00000000 NS USD 29847026.88000000 1.329214868248 Long EC CORP US N 1 N N N Western Alliance Bancorp 5493003VJXZ5JXT9S762 957638109 419941.00000000 NS USD 29752819.85000000 1.325019429102 Long EC CORP US N 1 N N N Willdan Group Inc 529900YQO0LF5VAEKN05 96924N100 206119.00000000 NS USD 15780470.64000000 0.702771377765 Long EC CORP US N 1 N N N Wingstop Inc 549300SSH3F8HPIM3Q47 974155103 242143.00000000 NS USD 37524900.71000000 1.671143198075 Long EC CORP US N 1 N N N Workiva Inc 529900RTOQ8GRWHY1O58 98139A105 184993.00000000 NS USD 11031132.59000000 0.491263183807 Long EC CORP US N 1 N N N Zeta Global Holdings Corp 2549008P9XSJQHGQ9S27 98956A105 895992.00000000 NS USD 14264192.64000000 0.635245078743 Long EC CORP US N 1 N N N Zscaler Inc 529900MZ0RTK1BWRNF46 98980G102 83570.00000000 NS USD 11724035.30000000 0.522121084263 Long EC CORP US N 1 N N N DNA SCRIPT SAS N/A 000000000 1139.00000000 NS 94709.96000000 0.004217836755 Long EC CORP FR Y 3 N N N Credo Technology Group Holding Ltd N/A 000000000 147591.00000000 NS USD 13854367.17000000 0.616993810022 Long EC CORP KY N 1 N N N FTAI Aviation Ltd N/A 000000000 109872.00000000 NS USD 26918640.00000000 1.198801363528 Long EC CORP KY N 1 N N N NIQ Global Intelligence Plc 529900Z0P0XAM4O3H416 000000000 1232928.00000000 NS USD 14018391.36000000 0.624298503819 Long EC CORP IE N 1 N N N SharkNinja Inc N/A 000000000 238583.00000000 NS USD 25265939.70000000 1.125199600098 Long EC CORP KY N 1 N N N Monday.com Ltd 984500MDAFVD86E3B328 000000000 106304.00000000 NS USD 7346669.44000000 0.327178391704 Long EC CORP IL N 1 N N N Newamsterdam Pharma Co NV 984500B6549TF6E14D36 000000000 363308.00000000 NS USD 11629489.08000000 0.517910539546 Long EC CORP NL N 1 N N N 2026-05-04 COLUMBIA ACORN TRUST Jennifer Borges Jennifer Borges Senior Manager XXXX