WBCIX
William Blair Small-Mid Cap Core Fund
WILLIAM BLAIR FUNDS

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
FIXED INC CLEARING CORP.REPO 0 4,642,534 4,642,534 2.05% $4.64M
AKAMAI TECHNOLOGIES INC 0 37,130 37,130 1.89% $4.26M
BORGWARNER INC 0 60,764 60,764 1.46% $3.30M
RELIANCE STEEL and ALUMINUM CO 0 9,324 9,324 1.25% $2.83M
LITTELFUSE INC 0 7,145 7,145 1.07% $2.42M
NATIONAL-CL A 0 60,656 60,656 1.05% $2.38M
POWER INTEGRATIONS INC 0 44,225 44,225 1.00% $2.26M
BIRKENSTOCK HOLDING LTD 0 62,313 62,313 0.99% $2.23M
KENNAMETAL INC 0 59,871 59,871 0.96% $2.16M
TEREX CORP 0 35,748 35,748 0.93% $2.11M
AVERY DENNISON CORP 0 11,218 11,218 0.86% $1.94M
ATLANTIC UNION B 0 52,936 52,936 0.84% $1.89M
REGAL REXNORD CORP 0 10,028 10,028 0.83% $1.88M
JAZZ PHARMA PLC 0 9,586 9,586 0.80% $1.81M
TEXAS ROADHOUSE INC 0 10,967 10,967 0.80% $1.81M
API GROUP CORP 0 42,053 42,053 0.75% $1.70M
KNIGHT-SWIFT TRANSPORTATION HOLDINGS INC 0 28,282 28,282 0.72% $1.63M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
CACI INTL-A 3,463 0 -3,463 0.00% -$1.85M
CHEMED CORP 3,877 0 -3,877 0.00% -$1.66M
WESTERN ALLIANCE BANCORP 19,083 0 -19,083 0.00% -$1.60M
WAYSTAR HOLDING CORP 48,061 0 -48,061 0.00% -$1.57M
GXO LOGISTICS INC 27,572 0 -27,572 0.00% -$1.45M
MERCURY SYSTEMS INC 17,261 0 -17,261 0.00% -$1.26M
FIXED INC CLEARING CORP.REPO 1,184,474 0 -1,184,474 0.00% -$1.18M
VERRA MOBILITY CORP 50,375 0 -50,375 0.00% -$1.13M
CADENCE BANK 25,620 0 -25,620 0.00% -$1.10M
BRINK'S CO/THE 8,722 0 -8,722 0.00% -$1.02M
AMICUS THERAPEUTICS INC 68,490 0 -68,490 0.00% -$975.30K
CLEARWATER ANALYTICS HOLDINGS INC 37,640 0 -37,640 0.00% -$907.88K
Q2 HOLDINGS INC 12,456 0 -12,456 0.00% -$898.82K
EXLSERVICE HOLDINGS INC 20,808 0 -20,808 0.00% -$883.09K
EMBECTA CORP 69,771 0 -69,771 0.00% -$828.88K
MARZETTI COMPANY/THE 4,864 0 -4,864 0.00% -$799.74K
ACV AUCTIONS INC CL A 97,253 0 -97,253 0.00% -$779.97K
LOUISIANA PACIFIC CORP 9,172 0 -9,172 0.00% -$740.73K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
DIEBOLD NIXDORF INC 40,717 65,198 24,481 2.17% $2.15M
CIENA CORP 10,244 12,412 2,168 2.13% $2.42M
F5 INC 6,197 15,577 9,380 1.99% $2.93M
IDACORP INC 15,816 29,358 13,542 1.86% $2.20M
EVEREST REINSURANCE GROUP LTD 6,870 12,753 5,883 1.84% $1.84M
OLD NATL BANCORP 93,138 172,884 79,746 1.69% $1.74M
PRIMO BRANDS CORP A 87,545 193,562 106,017 1.61% $2.21M
COHERENT CORP 8,600 15,219 6,619 1.60% $2.04M
INTEGER HOLDINGS CORP 20,900 38,795 17,895 1.51% $1.77M
JONES LANG LASALLE INC 5,974 11,089 5,115 1.49% $1.36M
CARLYLE GROUP INC (THE) 34,384 69,352 34,968 1.48% $1.32M
BANNER CORPORATI 29,619 54,979 25,360 1.48% $1.48M
GARRETT MOTION INC 80,606 179,870 99,264 1.45% $1.86M
ONTO INNOVATION INC 13,728 15,732 2,004 1.43% $1.06M
CURTISS WRIGHT CORPORATION 3,228 4,700 1,472 1.42% $1.42M
GRAND CANYON EDUCATION INC 10,005 18,572 8,567 1.40% $1.49M
EQUITY LIFESTYLE PPTYS INC 26,906 49,944 23,038 1.38% $1.49M
FLOWSERVE CORP 22,563 41,882 19,319 1.36% $1.51M
HEALTHCARE REALTY TRUST INC 97,442 180,873 83,431 1.36% $1.42M
TALEN ENERGY CORP 5,176 9,609 4,433 1.36% $1.13M
MAREX GROUP PLC 36,571 67,883 31,312 1.34% $1.62M
APPLIED INDU TEC 6,143 11,403 5,260 1.34% $1.45M
BIO-TECHNE CORP 31,098 57,725 26,627 1.33% $1.19M
BRP GROUP INC-A 71,200 132,163 60,963 1.28% $1.19M
EAST WEST BNCRP 14,570 27,045 12,475 1.28% $1.25M
JOHN BEAN TECHNOLOGIES CORP 12,029 22,328 10,299 1.26% $1.04M
CARPENTER TECHNOLOGY CORP 4,739 7,226 2,487 1.26% $1.36M
LINCOLN ELECTRIC HLDGS INC 6,102 11,326 5,224 1.25% $1.36M
CAMECO CORP 13,981 25,952 11,971 1.25% $1.54M
BWX TECHNOLOGIES INC 9,479 13,712 4,233 1.24% $1.17M
SHARKNINJA INC 14,188 26,337 12,149 1.23% $1.20M
DONALDSON CO INC 17,587 32,645 15,058 1.23% $1.21M
VERICEL CORP 45,767 84,953 39,186 1.21% $1.08M
HALOZYME THERAPEUTICS INC 16,986 41,820 24,834 1.20% $1.56M
UL SOLUTIONS INC CL A 16,770 31,128 14,358 1.18% $1.35M
HEALTHEQUITY INC 16,978 31,514 14,536 1.16% $1.08M
TRANSUNION 20,362 37,797 17,435 1.16% $869.13K
REXFORD INDUSTRIAL REALTY INC 42,203 78,338 36,135 1.13% $929.90K
MUELLER INDUSTRIES INC 12,460 23,128 10,668 1.13% $1.13M
SKYLINE CHAMPION CORP 18,113 33,622 15,509 1.11% $969.92K
TWIST BIOSCIENCE CORP 28,331 52,588 24,257 1.10% $1.60M
SYLVAMO CORP 31,381 58,249 26,868 1.09% $949.44K
ANTERO RESOURCES 28,762 53,389 24,627 1.00% $1.27M
DYNATRACE INC 32,914 61,096 28,182 1.00% $832.84K
MERIT MEDICAL SYSTEMS INC 17,647 32,757 15,110 1.00% $702.53K
WEATHERFORD INTERNATIONAL PLC 12,859 23,869 11,010 1.00% $1.25M
NVENT ELECTRIC PLC 10,155 18,850 8,695 0.99% $1.19M
AGREE REALTY CORP 15,909 29,530 13,621 0.98% $1.08M
DYCOM INDUSTRIES INC 3,512 6,518 3,006 0.98% $1.02M
POOL CORP 5,840 10,839 4,999 0.97% $857.15K
REVOLVE GROUP INC 51,284 95,194 43,910 0.95% $604.07K
QUAKER HOUGHTON 9,119 16,927 7,808 0.93% $850.71K
PURE STORAGE INC CL A 19,047 35,356 16,309 0.92% $811.08K
OSI SYSTEMS INC 4,218 7,829 3,611 0.92% $1.00M
AGILYSYS INC 10,831 27,951 17,120 0.88% $701.28K
EAGLE MATERIALS INC 5,502 10,213 4,711 0.86% $797.70K
NATIONAL VISION HOLDINGS INC 40,099 74,432 34,333 0.85% $892.43K
CASELLA WASTE SYS INC CL A 12,643 23,467 10,824 0.82% $623.62K
DOXIMITY INC-A 42,913 79,656 36,743 0.82% -$44.20K
FRESHPET INC 14,847 30,223 15,376 0.79% $877.32K
MAPLEBEAR INC 25,574 47,472 21,898 0.79% $627.98K
ENCOMPASS HEALTH CORP 9,496 17,627 8,131 0.75% $697.15K
PERELLA WEINBERG PARTNERS 45,320 84,123 38,803 0.68% $743.64K
OWENS CORNING INC 7,474 13,872 6,398 0.66% $664.81K
BRIGHT HORIZONS FAMILY SOLUTIONS INC 9,795 18,182 8,387 0.66% $500.07K
BENTLEY SYSTEM-B 21,728 40,332 18,604 0.63% $587.21K
Americold Realty Trust Inc 62,322 115,683 53,361 0.59% $524.27K
DESCARTES SYS 9,171 17,024 7,853 0.54% $414.31K
TECNOGLASS INC 11,849 21,995 10,146 0.43% $383.64K
SIMPLY GOOD FOODS CO 31,069 57,671 26,602 0.37% $203.71K
GENEDX HOLDINGS CORP-A 4,957 9,031 4,074 0.26% -$64.74K

No positions in this category.

No positions in this category.

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