FundWatcher
ACRSX
Columbia Acorn Fund
COLUMBIA ACORN 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.

Dec 31, 2025 → Mar 31, 2026

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

Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
KNIGHT-SWIFT TRANSPORTATION HOLDINGS INC 0 437,705 437,705 1.12% $25.20M
ASTRONICS CORP 0 340,163 340,163 1.01% $22.70M
DEVON ENERGY CORP 0 421,587 421,587 0.94% $21.21M
REPLIGEN CORP 0 159,623 159,623 0.84% $18.81M
HAMILTON LANE INC - A 0 169,441 169,441 0.75% $16.84M
RUSH STREET INTERACTIVE INC 0 631,555 631,555 0.61% $13.74M
ZSCALER INC 0 83,570 83,570 0.52% $11.72M
NEWAMSTERDAM PHARMA COMPANY NV 0 363,308 363,308 0.52% $11.63M
IONIS PHARMACEUTICALS INC 0 148,670 148,670 0.50% $11.16M
RHYTHM PHARMACEUTICALS INC 0 124,824 124,824 0.48% $10.86M
DEFINIUM THERAPEUTICS INC 0 512,390 512,390 0.43% $9.68M
ADV ENERGY INDS 0 28,789 28,789 0.41% $9.29M
NEXTRACKER INC CL A 0 71,632 71,632 0.38% $8.64M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
MASIMO CORP 320,808 0 -320,808 0.00% -$41.72M
COLLIERS-SUBORD 247,867 0 -247,867 0.00% -$36.44M
PENUMBRA INC 100,845 0 -100,845 0.00% -$31.35M
GEN DIGITAL INC 934,931 0 -934,931 0.00% -$25.42M
MOELIS & CO-CL A 355,675 0 -355,675 0.00% -$24.45M
TECHNIPFMC PLC 492,942 0 -492,942 0.00% -$21.97M
MATSON INC 148,213 0 -148,213 0.00% -$18.31M
INGRAM MICRO HOL 815,196 0 -815,196 0.00% -$17.40M
GLOBANT SA 261,831 0 -261,831 0.00% -$17.12M
FIVE BELOW INC 79,367 0 -79,367 0.00% -$14.95M
BETA TECHNOLOGIES INC 473,817 0 -473,817 0.00% -$13.37M
BRAZE INC-A 388,294 0 -388,294 0.00% -$13.31M
ALKAMI TECHNOLOGY INC 551,588 0 -551,588 0.00% -$12.73M
GITLAB INC-CL A 335,015 0 -335,015 0.00% -$12.57M
VARONIS SYSTEMS INC 376,989 0 -376,989 0.00% -$12.37M
MYR GROUP INC/DELAWARE 54,984 0 -54,984 0.00% -$12.01M
MOOG INC-CLASS A 44,900 0 -44,900 0.00% -$10.94M
PHREESIA INC 631,324 0 -631,324 0.00% -$10.68M
Icon Public Limited Company 58,336 0 -58,336 0.00% -$10.63M
UNITY SOFTWARE INC 235,627 0 -235,627 0.00% -$10.41M
TOWER SEMICONDCT 88,489 0 -88,489 0.00% -$10.39M
BIO-TECHNE CORP 172,270 0 -172,270 0.00% -$10.13M
SPS COMMERCE INC 109,588 0 -109,588 0.00% -$9.77M
VERTEX INC - CLASS A 381,861 0 -381,861 0.00% -$7.63M
GLOBAL X BLOCKCHAIN ETF MUTUAL FUND 117,737 0 -117,737 0.00% -$7.52M
COMMVAULT SYSTEMS INC 59,709 0 -59,709 0.00% -$7.49M
VAXCYTE INC 153,523 0 -153,523 0.00% -$7.08M
MIND MEDICINE MINDMED INC 419,255 0 -419,255 0.00% -$5.61M
TERNS PHARMACEUTICALS INC 120,565 0 -120,565 0.00% -$4.87M
CORCEPT THERAPEUTICS INC 126,858 0 -126,858 0.00% -$4.41M
ATAI LIFE SCIENCES NV 909,728 0 -909,728 0.00% -$3.72M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
SPX TECHNOLOGIES INC 206,693 279,748 73,055 2.49% $14.58M
INSMED INC 292,031 336,411 44,380 2.45% $4.18M
CHURCHILL DOWNS INC 455,619 539,022 83,403 2.15% -$3.42M
CARLYLE GROUP INC (THE) 841,679 950,835 109,156 2.05% -$3.74M
INTERDIGITAL INC 30,477 140,996 110,519 1.89% $32.88M
MASTEC INC 127,639 131,179 3,540 1.88% $14.46M
CAVCO INDUSTRIES INC 74,404 83,379 8,975 1.79% -$3.57M
WINGSTOP INC 206,819 242,143 35,324 1.67% -$11.80M
ESAB CORP 255,766 372,810 117,044 1.60% $7.46M
DORMAN PRODUCTS INC 261,776 344,653 82,877 1.60% $3.72M
ST STR SPDR S P BIOTECH E 152,324 278,004 125,680 1.58% $16.94M
GLAUKOS CORP 277,848 311,474 33,626 1.49% $2.16M
STONEX GROUP INC 210,427 413,430 203,003 1.48% $13.33M
WD-40 CO 133,886 146,352 12,466 1.33% $3.48M
WESTERN ALLIANCE BANCORP 355,644 419,941 64,297 1.32% -$146.17K
ALIGNMENT HEALTHCARE INC 1,480,873 1,618,094 137,221 1.27% -$736.43K
AEROVIRONMENT INC 120,709 153,583 32,874 1.25% -$1.08M
GUARDANT HEALTH INC 83,871 303,784 219,913 1.25% $19.49M
ELF BEAUTY INC 423,227 444,462 21,235 1.20% -$5.24M
AXON ENTERPRISE INC 56,304 61,466 5,162 1.16% -$5.87M
DYNATRACE INC 510,994 695,469 184,475 1.14% $3.57M
BRIDGEBIO PHARMA INC 283,462 316,495 33,033 1.04% $1.82M
PENNANT GROUP-WI 584,838 699,307 114,469 0.95% $4.85M
IRHYTHM TECHNOLOGIES INC 69,873 169,788 99,915 0.89% $7.64M
COLUMBIA SHORT TERM CASH FUND 15,283,690 19,982,329 4,698,639 0.89% $4.70M
EQT CORPORATION 217,207 311,439 94,232 0.88% $8.18M
KARMAN HOLDINGS INC 163,312 220,172 56,860 0.78% $5.68M
SITIME CORP 13,575 48,846 35,271 0.75% $12.07M
MIAMI INTERNATIONAL HOLDINGS INC 375,067 426,477 51,410 0.74% -$46.99K
ADAPTIVE BIOTECHNOLOGIES CORP 833,223 1,148,404 315,181 0.71% $2.41M
WILLDAN GROUP IN 137,807 206,119 68,312 0.70% $1.50M
MCGRATH RENTCORP 117,334 136,694 19,360 0.67% $2.76M
CREDO TECHNOLOGY GROUP HOLDING LTD 127,287 147,591 20,304 0.62% -$4.46M
MADRIGAL PHARMACEUTICALS INC 13,617 26,454 12,837 0.62% $5.92M
BILLIONTOONE INC 79,938 166,205 86,267 0.58% $6.58M
SAILPOINT INC 820,219 944,155 123,936 0.56% -$4.09M
CHARLES RIVER LABS INTL INC 12,672 70,538 57,866 0.54% $9.64M
HUT 8 CORP 143,439 240,717 97,278 0.50% $4.70M
FORTREA HOLDINGS INC 228,661 1,173,131 944,470 0.49% $7.11M
WORKIVA INC 110,454 184,993 74,539 0.49% $1.50M
APPLIED DIGITAL CORP 223,784 439,896 216,112 0.46% $4.96M
DOXIMITY INC-A 249,335 432,308 182,973 0.45% -$967.78K
CRINETICS PHARMACEUTICALS INC 148,722 252,431 103,709 0.41% $2.25M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
CELESTICA INC SUB VTG 183,657 172,300 -11,357 2.16% -$5.76M
CURTISS WRIGHT CORPORATION 66,729 65,825 -904 1.99% $8.05M
VIAVI SOLUTIONS INC 1,429,365 1,333,081 -96,284 1.97% $18.89M
STERLING INFRASTRUCTURE INC 136,490 107,856 -28,634 1.95% $2.13M
VSE CORP 274,746 223,919 -50,827 1.84% -$6.18M
COHERENT CORP 209,402 172,879 -36,523 1.83% $2.53M
MODINE MFG CO 278,599 189,531 -89,068 1.83% $3.88M
HEALTHEQUITY INC 445,107 422,315 -22,792 1.57% -$5.48M
BJS WHSL CLUB HLDGS INC 378,441 350,621 -27,820 1.53% $437.08K
TOPBUILD CORP 116,923 92,442 -24,481 1.44% -$16.30M
FTAI AVIATION LTD 226,826 109,872 -116,954 1.20% -$17.73M
PARSONS CORP 607,607 486,820 -120,787 1.17% -$11.18M
SHARKNINJA INC 262,983 238,583 -24,400 1.12% -$4.16M
APPLIED INDU TEC 111,988 84,867 -27,121 1.00% -$6.24M
ENCOMPASS HEALTH CORP 287,135 230,244 -56,891 0.99% -$8.21M
LATTICE SEMICONDUCTOR CORP 317,863 184,881 -132,982 0.76% -$6.24M
KRATOS DEFENSE and SEC SOLTN INC 302,224 233,250 -68,974 0.73% -$6.50M
MUELLER WATER PRODUCTS INC A 1,095,532 483,160 -612,372 0.59% -$12.81M
REVOLUTION MEDICINES INC 247,625 135,489 -112,136 0.59% -$6.55M
ANNEXON INC 1,786,958 975,637 -811,321 0.24% -$3.57M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
GCM GROSVENOR INC - CLASS A 4,428,750 4,428,750 0 1.93% -$6.73M
BLOOM ENERGY CORP CL A 288,864 288,864 0 1.74% $14.04M
SEMTECH CORP 421,296 421,296 0 1.44% $1.35M
MARVELL TECHNOLOGY INC 298,398 298,398 0 1.31% $4.20M
RYAN SPECIALTY HOLDINGS INC 647,394 647,394 0 0.97% -$11.58M
SPROUTS FMRS MKT INC 248,151 248,151 0 0.85% -$630.30K
PAYLOCITY HOLDING CORP 167,076 167,076 0 0.80% -$7.43M
NUVALENT INC-A 174,598 174,598 0 0.80% $324.75K
JANUS INTERNATIONAL GROUP INC 3,345,300 3,345,300 0 0.77% -$4.65M
NEUROCRINE BIOSCIENCES INC 116,190 116,190 0 0.68% -$1.17M
ANTERO RESOURCES 355,938 355,938 0 0.67% $2.84M
HEALTHCARE SERVS 784,900 784,900 0 0.65% -$447.39K
ZETA GLOBAL HOLDINGS CORP 895,992 895,992 0 0.63% -$3.97M
NIQ GLOBAL INTELLIGENCE PLC 1,232,928 1,232,928 0 0.62% -$6.31M
BIOLIFE SOLUTIONS INC 696,462 696,462 0 0.59% -$3.55M
BLUE OWL CAPITAL INC A 1,391,042 1,391,042 0 0.56% -$8.08M
LAKELAND FINL 214,229 214,229 0 0.55% $68.55K
ABSCI CORP 2,566,842 2,566,842 0 0.34% -$1.26M
MONDAY.COM LTD 106,304 106,304 0 0.33% -$8.34M
DNA SCRIPT SAS SER C PC PP 1,139 1,139 0 0.00% $5.03K

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