William Blair
asset managergrowth
Portfolio Value
$30.3B
Positions
413
Quarter
2026-03-31
New Positions
47
Exits
47
Portfolio Value History — 8 Quarters
| Ticker | Value | Shares | % of Portfolio |
|---|---|---|---|
| $1.9B | 5.5M | 6.2% | |
| $1.6B | 8.9M | 5.2% | |
| $1.2B | 4.8M | 4.0% | |
| $1.1B | 2.9M | 3.5% | |
| $720.2M | 2.5M | 2.4% | |
| $681.4M | 2.2M | 2.3% | |
| $658.9M | 3.2M | 2.2% | |
| $579.6M | 1.0M | 1.9% | |
| $530.0M | 1.1M | 1.8% | |
ASTRAZENEC | $377.3M | 1.9M | 1.2% |
LINDE PLC | $315.5M | 636.3K | 1.0% |
| $304.9M | 6.3M | 1.0% | |
| $301.4M | 302.5K | 1.0% | |
| $265.6M | 31.7M | 0.9% | |
| $250.4M | 5.3M | 0.8% | |
| $248.0M | 2.4M | 0.8% | |
PRIMO BRAN | $245.8M | 13.1M | 0.8% |
| $233.8M | 2.1M | 0.8% | |
| $230.8M | 533.7K | 0.8% | |
| $212.7M | 2.9M | 0.7% | |
| $212.1M | 1.0M | 0.7% | |
CREDICORP | $211.2M | 622.7K | 0.7% |
| $204.7M | 1.8M | 0.7% | |
| $204.0M | 2.2M | 0.7% | |
| $200.8M | 981.8K | 0.7% | |
| $200.0M | 2.9M | 0.7% | |
| $197.7M | 964.2K | 0.7% | |
| $197.6M | 351.6K | 0.7% | |
| $195.6M | 1.6M | 0.6% | |
| $194.4M | 266.1K | 0.6% | |
| $193.7M | 2.4M | 0.6% | |
| $189.6M | 2.0M | 0.6% | |
| $188.0M | 649.9K | 0.6% | |
| $185.9M | 1.6M | 0.6% | |
| $182.7M | 1.7M | 0.6% | |
| $182.2M | 673.3K | 0.6% | |
| $178.3M | 340.5K | 0.6% | |
NU HLDGS L | $176.3M | 12.3M | 0.6% |
| $173.2M | 2.0M | 0.6% | |
| $173.0M | 1.0M | 0.6% | |
| $170.1M | 2.9M | 0.6% | |
| $170.1M | 1.1M | 0.6% | |
| $167.7M | 525.2K | 0.6% | |
| $166.6M | 979.7K | 0.6% | |
EVEREST GR | $165.4M | 506.2K | 0.5% |
| $163.3M | 2.5M | 0.5% | |
| $160.4M | 272.4K | 0.5% | |
| $159.2M | 668.1K | 0.5% | |
| $158.1M | 232.1K | 0.5% | |
| $156.8M | 837.5K | 0.5% | |
| $156.5M | 2.9M | 0.5% | |
| $154.7M | 398.6K | 0.5% | |
| $149.1M | 6.8M | 0.5% | |
| $147.6M | 902.7K | 0.5% | |
NVENT ELEC | $145.9M | 1.2M | 0.5% |
| $145.9M | 4.4M | 0.5% | |
| $138.7M | 1.7M | 0.5% | |
| $138.3M | 350.9K | 0.5% | |
| $137.1M | 1.6M | 0.5% | |
| $136.1M | 1.1M | 0.4% | |
| $133.2M | 534.9K | 0.4% | |
| $131.7M | 323.4K | 0.4% | |
| $129.4M | 74.8K | 0.4% | |
| $128.7M | 2.5M | 0.4% | |
| $127.0M | 443.1K | 0.4% | |
| $125.2M | 3.9M | 0.4% | |
| $122.6M | 403.5K | 0.4% | |
| $121.9M | 2.4M | 0.4% | |
| $119.4M | 630.4K | 0.4% | |
| $119.4M | 3.2M | 0.4% | |
| $116.7M | 3.3M | 0.4% | |
| $115.6M | 1.1M | 0.4% | |
| $115.1M | 5.1M | 0.4% | |
SHARKNINJA | $113.7M | 1.1M | 0.4% |
| $113.0M | 643.3K | 0.4% | |
| $112.6M | 4.8M | 0.4% | |
| $111.1M | 1.6M | 0.4% | |
| $109.4M | 4.2M | 0.4% | |
| $108.0M | 1.5M | 0.4% | |
DIEBOLD NI | $107.6M | 1.4M | 0.4% |
| $106.9M | 1.8M | 0.4% | |
MILLICOM I | $105.3M | 1.4M | 0.3% |
| $105.2M | 407.2K | 0.3% | |
| $104.7M | 5.8M | 0.3% | |
| $103.9M | 547.5K | 0.3% | |
| $103.4M | 304.6K | 0.3% | |
| $101.5M | 643.2K | 0.3% | |
| $99.7M | 1.3M | 0.3% | |
| $98.2M | 1.1M | 0.3% | |
| $96.9M | 2.5M | 0.3% | |
| $92.5M | 783.1K | 0.3% | |
BIRKENSTOC | $92.3M | 2.6M | 0.3% |
| $91.9M | 5.2M | 0.3% | |
| $91.5M | 452.3K | 0.3% | |
| $91.4M | 1.9M | 0.3% | |
| $89.9M | 655.7K | 0.3% | |
| $89.7M | 2.5M | 0.3% | |
| $87.9M | 951.1K | 0.3% | |
| $86.1M | 3.9M | 0.3% | |
FABRINET | $86.0M | 164.8K | 0.3% |
| $86.0M | 118.1K | 0.3% | |
| $83.9M | 611.8K | 0.3% | |
| $83.8M | 629.3K | 0.3% | |
| $82.4M | 593.3K | 0.3% | |
| $82.4M | 1.0M | 0.3% | |
| $82.4M | 424.2K | 0.3% | |
| $80.6M | 1.5M | 0.3% | |
TOTALENERG | $79.8M | 853.8K | 0.3% |
| $77.7M | 803.2K | 0.3% | |
| $76.6M | 256.5K | 0.3% | |
| $74.9M | 2.2M | 0.2% | |
| $74.0M | 4.1M | 0.2% | |
| $73.9M | 215.7K | 0.2% | |
| $72.2M | 1.9M | 0.2% | |
| $71.7M | 1.1M | 0.2% | |
| $70.5M | 1.7M | 0.2% | |
MAREX GROU | $69.8M | 1.6M | 0.2% |
| $67.9M | 924.2K | 0.2% | |
| $63.3M | 368.0K | 0.2% | |
LANDBRIDGE | $61.3M | 887.5K | 0.2% |
FERRARI N | $61.2M | 180.9K | 0.2% |
| $60.2M | 931.0K | 0.2% | |
| $59.8M | 170.1K | 0.2% | |
| $59.0M | 1.8M | 0.2% | |
| $58.7M | 1.1M | 0.2% | |
| $57.7M | 776.4K | 0.2% | |
WEATHERFOR | $54.8M | 579.9K | 0.2% |
| $54.3M | 943.3K | 0.2% | |
| $53.6M | 777.5K | 0.2% | |
| $53.4M | 315.3K | 0.2% | |
| $52.7M | 243.3K | 0.2% | |
TECNOGLASS | $52.3M | 1.2M | 0.2% |
SPOTIFY TE | $51.9M | 106.9K | 0.2% |
| $51.1M | 341.5K | 0.2% | |
| $50.7M | 2.3M | 0.2% | |
| $50.4M | 853.6K | 0.2% | |
| $49.8M | 1.0M | 0.2% | |
| $49.8M | 775.3K | 0.2% | |
| $49.3M | 1.4M | 0.2% | |
| $48.8M | 3.0M | 0.2% | |
| $48.3M | 388.4K | 0.2% | |
| $46.5M | 1.0M | 0.2% | |
| $45.6M | 171.7K | 0.2% | |
| $45.1M | 1.1M | 0.1% | |
| $44.9M | 631.6K | 0.1% | |
LATAM AIRL | $43.6M | 881.5K | 0.1% |
| $43.4M | 596.1K | 0.1% | |
| $43.0M | 317.7K | 0.1% | |
| $42.9M | 1.4M | 0.1% | |
| $42.1M | 198.8K | 0.1% | |
| $42.0M | 556.3K | 0.1% | |
| $41.1M | 1.3M | 0.1% | |
| $40.2M | 1.3M | 0.1% | |
| $39.9M | 1.8M | 0.1% | |
| $39.4M | 622.9K | 0.1% | |
ESTABLISHM | $39.1M | 688.9K | 0.1% |
COCA-COLA | $38.6M | 426.1K | 0.1% |
EXPRO GROU | $38.4M | 2.2M | 0.1% |
| $38.3M | 2.0M | 0.1% | |
| $37.4M | 720.9K | 0.1% | |
| $37.4M | 286.3K | 0.1% | |
| $36.1M | 566.9K | 0.1% | |
| $36.0M | 84.4K | 0.1% | |
| $35.4M | 980.8K | 0.1% | |
| $35.4M | 435.6K | 0.1% | |
AURA MINER | $34.9M | 428.1K | 0.1% |
| $34.5M | 333.3K | 0.1% | |
| $34.3M | 556.8K | 0.1% | |
| $33.9M | 195.8K | 0.1% | |
| $33.4M | 925.6K | 0.1% | |
| $33.3M | 486.5K | 0.1% | |
BKV CORP | $32.9M | 1.2M | 0.1% |
SILA REALT | $32.9M | 1.4M | 0.1% |
| $32.7M | 1.3M | 0.1% | |
| $32.7M | 686.8K | 0.1% | |
| $32.6M | 647.5K | 0.1% | |
| $32.5M | 1.3M | 0.1% | |
| $32.5M | 1.8M | 0.1% | |
| $32.3M | 958.3K | 0.1% | |
| $31.9M | 989.7K | 0.1% | |
| $31.8M | 222.5K | 0.1% | |
| $31.7M | 350.0K | 0.1% | |
| $31.6M | 594.2K | 0.1% | |
| $31.3M | 822.0K | 0.1% | |
| $31.0M | 335.7K | 0.1% | |
| $30.6M | 789.9K | 0.1% | |
| $30.6M | 7.2M | 0.1% | |
| $30.3M | 399.6K | 0.1% | |
| $30.1M | 441.6K | 0.1% | |
JEFFERSON | $30.0M | 1.6M | 0.1% |
| $29.4M | 1.2M | 0.1% | |
| $29.2M | 374.7K | 0.1% | |
| $29.2M | 139.1K | 0.1% | |
| $29.2M | 301.9K | 0.1% | |
| $29.1M | 306.8K | 0.1% | |
LXP INDUST | $28.9M | 623.9K | 0.1% |
| $28.3M | 377.9K | 0.1% | |
| $28.1M | 217.9K | 0.1% | |
| $28.1M | 426.5K | 0.1% | |
| $27.9M | 370.4K | 0.1% | |
| $27.8M | 1.6M | 0.1% | |
| $27.8M | 2.4M | 0.1% | |
| $27.7M | 84.6K | 0.1% | |
| $27.6M | 216.3K | 0.1% | |
| $27.4M | 1.9M | 0.1% | |
| $27.4M | 167.1K | 0.1% | |
| $27.0M | 1.0M | 0.1% | |
| $26.9M | 794.1K | 0.1% | |
| $26.8M | 574.0K | 0.1% | |
| $26.7M | 29.1K | 0.1% | |
| $26.6M | 533.4K | 0.1% | |
| $26.3M | 1.2M | 0.1% | |
| $26.3M | 256.2K | 0.1% | |
| $26.2M | 502.0K | 0.1% | |
| $26.2M | 398.0K | 0.1% | |
ESSENT GRO | $26.0M | 444.9K | 0.1% |
| $25.9M | 1.5M | 0.1% | |
| $25.7M | 292.6K | 0.1% | |
| $25.7M | 545.5K | 0.1% | |
| $25.4M | 83.5K | 0.1% | |
| $25.4M | 165.3K | 0.1% | |
| $25.4M | 1.6M | 0.1% | |
| $25.2M | 327.3K | 0.1% | |
| $25.1M | 414.0K | 0.1% | |
| $25.0M | 2.0M | 0.1% | |
| $25.0M | 187.9K | 0.1% | |
| $24.8M | 314.3K | 0.1% | |
| $24.7M | 724.3K | 0.1% | |
MDA SPACE | $24.4M | 963.5K | 0.1% |
| $24.3M | 420.2K | 0.1% | |
| $24.2M | 219.8K | 0.1% | |
| $24.2M | 426.1K | 0.1% | |
CENTURI HO | $24.2M | 827.4K | 0.1% |
| $24.0M | 1.9M | 0.1% | |
| $23.9M | 744.5K | 0.1% | |
| $23.9M | 722.9K | 0.1% | |
| $23.9M | 327.3K | 0.1% | |
| $23.8M | 408.6K | 0.1% | |
| $23.6M | 647.2K | 0.1% | |
INTERCORP | $23.4M | 465.7K | 0.1% |
| $23.1M | 370.4K | 0.1% | |
| $22.9M | 86.3K | 0.1% | |
CONSTELLIU | $22.6M | 918.1K | 0.1% |
| $22.5M | 52.0K | 0.1% | |
| $22.3M | 1.3M | 0.1% | |
| $22.2M | 207.9K | 0.1% | |
| $22.1M | 392.4K | 0.1% | |
| $21.9M | 190.5K | 0.1% | |
| $21.5M | 168.1K | 0.1% | |
| $21.0M | 498.3K | 0.1% | |
| $21.0M | 38.6K | 0.1% | |
| $20.9M | 130.5K | 0.1% | |
| $20.8M | 324.2K | 0.1% | |
| $20.6M | 254.2K | 0.1% | |
UL SOLUTIO | $20.1M | 234.4K | 0.1% |
INTER & CO | $20.0M | 2.5M | 0.1% |
| $20.0M | 1.1M | 0.1% | |
AMPRIUS TE | $19.7M | 1.2M | 0.1% |
| $19.0M | 513.3K | 0.1% | |
| $19.0M | 580.8K | 0.1% | |
| $18.8M | 487.7K | 0.1% | |
| $18.7M | 26.6K | 0.1% | |
| $17.7M | 39.5K | 0.1% | |
BOYD GROUP | $17.3M | 135.2K | 0.1% |
| $17.0M | 905.9K | 0.1% | |
PENGUIN SO | $17.0M | 966.2K | 0.1% |
| $17.0M | 79.4K | 0.1% | |
| $16.9M | 1.2M | 0.1% | |
| $16.7M | 1.9M | 0.1% | |
| $16.7M | 49.3K | 0.1% | |
| $16.5M | 219.0K | 0.1% | |
| $16.3M | 384.8K | 0.1% | |
| $15.8M | 238.8K | 0.1% | |
| $15.3M | 98.5K | 0.1% | |
| $15.2M | 1.3M | 0.1% | |
| $15.1M | 133.6K | 0.0% | |
| $15.1M | 2.9M | 0.0% | |
TOWER SEMI | $14.8M | 84.1K | 0.0% |
| $14.7M | 686.8K | 0.0% | |
| $14.6M | 84.5K | 0.0% | |
| $14.5M | 271.1K | 0.0% | |
| $14.4M | 263.7K | 0.0% | |
INNOVEX IN | $14.3M | 587.1K | 0.0% |
| $14.3M | 302.1K | 0.0% | |
| $14.1M | 2.7M | 0.0% | |
| $13.8M | 115.0K | 0.0% | |
| $13.7M | 537.8K | 0.0% | |
| $13.6M | 82.6K | 0.0% | |
GRAB HOLDI | $13.6M | 3.7M | 0.0% |
| $13.4M | 367.4K | 0.0% | |
JAZZ PHARM | $13.4M | 70.9K | 0.0% |
| $13.4M | 574.8K | 0.0% | |
| $13.3M | 994.2K | 0.0% | |
| $13.2M | 101.7K | 0.0% | |
| $12.6M | 739.8K | 0.0% | |
| $12.3M | 134.4K | 0.0% | |
| $12.3M | 475.8K | 0.0% | |
| $12.3M | 737.3K | 0.0% | |
| $12.3M | 195.4K | 0.0% | |
| $12.2M | 36.4K | 0.0% | |
| $12.2M | 198.2K | 0.0% | |
| $12.2M | 375.0K | 0.0% | |
| $12.0M | 387.1K | 0.0% | |
| $12.0M | 38.2K | 0.0% | |
| $11.9M | 34.9K | 0.0% | |
| $11.9M | 479.0K | 0.0% | |
| $11.6M | 95.1K | 0.0% | |
| $11.3M | 291.7K | 0.0% | |
| $11.3M | 104.5K | 0.0% | |
ARIS MININ | $11.2M | 601.6K | 0.0% |
| $11.1M | 352.8K | 0.0% | |
| $10.9M | 38.7K | 0.0% | |
| $10.6M | 424.3K | 0.0% | |
| $10.0M | 39.7K | 0.0% | |
| $9.9M | 99.5K | 0.0% | |
| $9.8M | 1.5M | 0.0% | |
| $9.5M | 258.2K | 0.0% | |
| $9.2M | 128.2K | 0.0% | |
| $8.9M | 28.5K | 0.0% | |
| $8.2M | 55.7K | 0.0% | |
| $8.0M | 53.0K | 0.0% | |
| $7.8M | 63.0K | 0.0% | |
| $7.3M | 2.1M | 0.0% | |
| $7.1M | 243.7K | 0.0% | |
| $7.0M | 15.1K | 0.0% | |
| $6.3M | 73.9K | 0.0% | |
| $6.2M | 92.7K | 0.0% | |
| $6.1M | 30.8K | 0.0% | |
| $6.0M | 20.6K | 0.0% | |
| $6.0M | 34.6K | 0.0% | |
| $5.6M | 388.6K | 0.0% | |
| $5.4M | 29.0K | 0.0% | |
| $5.4M | 33.8K | 0.0% | |
| $5.4M | 46.9K | 0.0% | |
BBB FOODS | $5.2M | 147.4K | 0.0% |
| $5.1M | 53.3K | 0.0% | |
CRH PLC | $5.1M | 48.1K | 0.0% |
| $4.6M | 22.7K | 0.0% | |
CORPORACIO | $4.5M | 177.0K | 0.0% |
FIGURE TEC | $4.1M | 120.3K | 0.0% |
| $4.1M | 13.4K | 0.0% | |
| $4.0M | 14.0K | 0.0% | |
| $4.0M | 38.6K | 0.0% | |
| $3.2M | 51.6K | 0.0% | |
| $2.8M | 85.8K | 0.0% | |
| $2.6M | 55.4K | 0.0% | |
| $2.6M | 309.0K | 0.0% | |
| $2.5M | 39.9K | 0.0% | |
| $2.4M | 33.5K | 0.0% | |
| $2.3M | 11.5K | 0.0% | |
| $2.3M | 63.4K | 0.0% | |
ASML HLDG | $2.3M | 1.7K | 0.0% |
| $1.7M | 120.5K | 0.0% | |
| $1.5M | 76.1K | 0.0% | |
| $1.4M | 23.6K | 0.0% | |
| $1.4M | 11.1K | 0.0% | |
| $1.4M | 18.1K | 0.0% | |
STELLAR BA | $1.3M | 34.8K | 0.0% |
| $1.2M | 22.9K | 0.0% | |
| $1.2M | 14.3K | 0.0% | |
| $1.1M | 8.5K | 0.0% | |
| $952K | 44.0K | 0.0% | |
| $935K | 5.8K | 0.0% | |
| $912K | 5.8K | 0.0% | |
| $857K | 21.0K | 0.0% | |
| $854K | 40.4K | 0.0% | |
ARCH CAP G | $707K | 7.4K | 0.0% |
| $699K | 6.3K | 0.0% | |
| $679K | 6.1K | 0.0% | |
FLEXTRONIC | $555K | 8.5K | 0.0% |
| $553K | 4.7K | 0.0% | |
| $528K | 15.5K | 0.0% | |
| $521K | 5.2K | 0.0% | |
IREN LIMIT | $511K | 14.9K | 0.0% |
| $496K | 10.6K | 0.0% | |
| $476K | 12.5K | 0.0% | |
ALLEGION P | $469K | 3.2K | 0.0% |
| $464K | 6.1K | 0.0% | |
| $457K | 1.8K | 0.0% | |
| $452K | 2.1K | 0.0% | |
| $448K | 2.9K | 0.0% | |
| $447K | 2.1K | 0.0% | |
| $407K | 748 | 0.0% | |
| $391K | 20.4K | 0.0% | |
| $385K | 3.8K | 0.0% | |
| $365K | 8.8K | 0.0% | |
| $354K | 4.9K | 0.0% | |
| $354K | 1.3K | 0.0% | |
ISHARES TR | $353K | 5.9K | 0.0% |
| $350K | 1.3K | 0.0% | |
| $346K | 3.2K | 0.0% | |
SOUTHSTATE | $346K | 3.7K | 0.0% |
| $344K | 12.5K | 0.0% | |
| $339K | 20.6K | 0.0% | |
| $332K | 2.8K | 0.0% | |
| $327K | 7.6K | 0.0% | |
| $306K | 14.3K | 0.0% | |
| $294K | 1.0K | 0.0% | |
ICON PLC | $285K | 2.6K | 0.0% |
| $283K | 748 | 0.0% | |
| $275K | 2.4K | 0.0% | |
| $260K | 2.3K | 0.0% | |
| $259K | 7.2K | 0.0% | |
| $259K | 2.6K | 0.0% | |
ACCENTURE | $250K | 1.3K | 0.0% |
| $240K | 6.9K | 0.0% | |
| $231K | 1.3K | 0.0% | |
| $231K | 1.8K | 0.0% | |
| $221K | 1.6K | 0.0% | |
| $215K | 1.7K | 0.0% | |
WILLIS TOW | $207K | 712 | 0.0% |
| $178K | 11.4K | 0.0% | |
| $95K | 502 | 0.0% |
Filing History
| Quarter | Filed | Portfolio Value | Positions | SEC Filing |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-08 | $30.3B | 413 | View on EDGAR |
| 2025-12-31 | 2026-02-09 | $35.9B | 413 | View on EDGAR |
| 2025-09-30 | 2025-11-12 | $38.7B | 414 | View on EDGAR |
| 2025-06-30 | 2025-07-29 | $37.7B | 417 | View on EDGAR |
| 2025-03-31 | 2025-05-09 | $35.6B | 423 | View on EDGAR |
| 2024-12-31 | 2025-02-10 | $40.9B | 433 | View on EDGAR |
| 2024-09-30 | 2024-11-08 | $40.5B | 412 | View on EDGAR |
| 2024-06-30 | 2024-08-08 | $38.1B | 411 | View on EDGAR |