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Asset Manager ← All Institutions

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

150 NORTH RIVERSIDE PLAZA, CHICAGO, IL 60606 • 312-236-1600

Q2 2026 · Filed 2026-08-12
Market Value
$32.8B
+9.4%
Holdings
451
New Purchases
46
Added To
116
Closed
55
Reduced
227
Top 10 Concentration
29.4%
Turnover
22.4%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
GOOGL 3.48% 2.41% +1.08% $1.1B
AMAT 1.10% 0.04% +1.06% $360M
TSM 7.20% 6.23% +0.97% $2.4B
GE 0.90% 0.00% +0.90% $296M
CRWD 0.66% 0.00% +0.66% $215M
AMD 1.35% 0.71% +0.65% $444M
STX 0.56% 0.00% +0.56% $184M
DIOD 0.56% 0.10% +0.46% $184M
CNQ 0.44% 0.00% +0.44% $144M
FPS 0.43% 0.00% +0.43% $141M
PTCT 0.43% 0.00% +0.43% $141M
WST 0.46% 0.03% +0.42% $150M
TKR 0.42% 0.00% +0.42% $139M
MIRM 0.50% 0.10% +0.40% $164M
APH 0.83% 0.45% +0.37% $271M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
MSFT 2.33% 3.58% -1.25% $764M
AAPL 2.88% 4.08% -1.20% $943M
AMZN 1.45% 2.20% -0.75% $474M
INTU 0.11% 0.77% -0.67% $35M
COHR 0.00% 0.53% -0.53% $0
DCI 0.01% 0.46% -0.45% $3M
COST 0.57% 1.01% -0.44% $186M
MELI 0.00% 0.43% -0.43% $749K
TECH 0.00% 0.43% -0.43% $287K
NXT 0.24% 0.65% -0.41% $80M
AZN 0.86% 1.26% -0.40% $283M
VEEV 0.00% 0.38% -0.38% $0
DOCS 0.00% 0.38% -0.38% $0
CAVA 0.27% 0.65% -0.37% $90M
PLNT 0.00% 0.36% -0.36% $0

Sector Allocation Over Time

Industry Breakdown

IndustryWeight
Technology 35.9%
Industrials 12.8%
Healthcare 12.8%
Financial Services 11.1%
Consumer Cyclical 9.6%

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 37 $12.1B 36.9%
Large Cap 168 $11.5B 35.0%
Mid Cap 198 $8.1B 24.6%
Small Cap 47 $1.1B 3.5%
Micro Cap 1 $0 0.0%

Portfolio Analytics

Avg Market Cap
$124.6B
Median Market Cap
$8.8B
Avg P/E
38.1
Median P/E
24.8
Avg Dividend Yield
0.01%
Avg Beta
1.03
# Stocks
443
# ETFs / Funds
8

Top Holdings (451 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 TSM 7.20% 4,936,408 $2.4B $477.55 $492M -581,852 -10.5%
2 NVDA 5.25% 8,599,021 $1.7B $200.09 $161M -342,735 -3.8%
3 GOOGL 3.48% 3,191,012 $1.1B $357.37 $420M +686,407 +27.4%
4 AAPL 2.88% 3,259,914 $943M $289.36 -$278M -1,552,519 -32.3%
5 AVGO 2.37% 2,056,135 $777M $377.75 $95M -145,423 -6.6%
6 MSFT 2.33% 2,048,642 $764M $373.02 -$308M -848,140 -29.3%
7 META 1.63% 950,115 $535M $563.29 -$44M -63,007 -6.2%
8 AMZN 1.45% 1,987,085 $474M $238.34 -$185M -1,176,544 -37.2%
9 MA 1.44% 918,005 $471M $513.60 -$58M -142,646 -13.4%
10 AMD 1.35% 763,517 $444M $580.91 $231M -279,077 -26.8%
11 AMAT 1.10% 497,946 $360M $723.00 $348M +463,006 +1325.2%
12 GE 0.90% 790,801 $296M $373.73 — +790,801 — NEW
13 AZN 0.86% 1,514,795 $283M $186.99 -$94M -427,360 -22.0%
14 PRMB 0.85% 11,426,823 $279M $24.44 $33M -1,629,369 -12.5%
15 P 0.83% 3,455,381 $272M $78.79 $102M +573,900 +19.9%
16 APH 0.83% 1,535,059 $271M $176.32 $135M +457,625 +42.5%
17 LIN 0.80% 504,953 $262M $518.94 -$53M -131,385 -20.6%
18 ONTO 0.77% 665,377 $252M $378.45 $54M -298,836 -31.0%
19 BWA 0.77% 3,784,707 $251M $66.40 $95M +900,645 +31.2%
20 CG 0.76% 5,914,905 $249M $42.11 -$56M -386,204 -6.1%
21 ARGX 0.75% 264,617 $245M $927.72 $51M -1,450 -0.5%
22 MLI 0.75% 1,986,139 $244M $122.93 $10M -123,590 -5.9%
23 MNST 0.74% 2,538,136 $244M $96.12 $31M -397,111 -13.5%
24 FFIV 0.74% 586,271 $244M $415.96 $56M -63,677 -9.8%
25 BAP 0.74% 625,144 $244M $389.58 $32M +2,454 +0.4%
26 CW 0.73% 317,306 $240M $757.76 $82M +85,237 +36.7%
27 ITUB 0.71% 28,283,482 $231M $8.17 -$35M -3,401,226 -10.7%
28 SNOW 0.70% 901,087 $229M $254.50 $59M -226,438 -20.1%
29 TWST 0.68% 2,174,594 $224M $102.88 -$27M -3,095,124 -58.7%
30 UNH 0.66% 523,387 $218M $415.63 $35M -149,876 -22.3%
31 CRWD 0.66% 281,409 $215M $763.14 — +281,409 — NEW
32 RRX 0.65% 891,139 $212M $238.19 $55M +53,646 +6.4%
33 KRYS 0.65% 570,153 $212M $371.67 $107M +162,975 +40.0%
34 CRS 0.63% 332,607 $205M $616.84 $67M -18,289 -5.2%
35 POWI 0.61% 2,382,007 $200M $83.76 $78M +1,330 +0.1%
36 NVT 0.60% 1,167,763 $198M $169.61 $52M -66,111 -5.4%
37 GH 0.60% 1,311,320 $197M $150.03 $109M +360,206 +37.9%
38 HALO 0.60% 2,511,050 $197M $78.27 $33M -14,925 -0.6%
39 TLN 0.58% 497,660 $191M $384.26 $24M -27,554 -5.2%
40 TRU 0.58% 2,648,744 $191M $72.14 -$9M -242,443 -8.4%
41 CCJ 0.58% 1,858,735 $189M $101.86 $7M +176,432 +10.5%
42 STRL 0.57% 223,697 $188M $839.36 $56M -99,724 -30.8%
43 COST 0.57% 199,355 $186M $935.47 -$115M -103,113 -34.1%
44 ALHC 0.56% 7,761,403 $185M $23.81 $93M +2,546,789 +48.8%
45 CHRW 0.56% 978,297 $184M $188.34 $11M -63,361 -6.1%
46 STX 0.56% 190,847 $184M $965.00 — +190,847 — NEW
47 DIOD 0.56% 1,682,686 $184M $109.44 $154M +1,241,124 +281.1%
48 BWXT 0.56% 941,233 $183M $194.65 -$18M -40,549 -4.1%
49 AKAM 0.55% 1,535,467 $182M $118.21 -$4M -83,593 -5.2%
50 BWIN 0.55% 6,732,965 $179M $26.58 $30M -61,527 -0.9%
51 BSY 0.54% 5,942,507 $178M $29.89 $61M +2,619,784 +78.8%
52 LSCC 0.54% 1,160,417 $177M $152.96 -$12M -883,303 -43.2%
53 MDGL 0.53% 324,123 $174M $536.95 -$4M -16,396 -4.8%
54 RE 0.52% 479,877 $171M $357.23 $6M -26,289 -5.2%
55 A 0.52% 1,287,265 $171M $132.83 -$34M -508,499 -28.3%
56 ORLY 0.52% 1,855,002 $171M $92.09 -$33M -355,032 -16.1%
57 DT 0.52% 3,857,741 $169M $43.91 $50M +628,690 +19.5%
58 MIRM 0.50% 1,404,741 $164M $117.07 $133M +1,069,072 +318.5%
59 HQY 0.49% 1,773,227 $160M $90.32 $21M +113,611 +6.8%
60 IDXX 0.48% 298,154 $157M $526.44 -$41M -53,467 -15.2%
61 NOW 0.47% 1,551,192 $154M $99.28 -$94M -820,422 -34.6%
62 SYNA 0.47% 1,239,622 $154M $124.23 $43M -346,622 -21.9%
63 TXN 0.46% 506,229 $151M $298.07 $69M +82,034 +19.3%
64 SN 0.46% 986,806 $150M $152.27 $37M -86,578 -8.1%
65 WST 0.46% 417,309 $150M $359.00 $140M +377,584 +950.5%
66 LOPE 0.45% 1,038,828 $149M $143.11 -$18M +59,094 +6.0%
67 LFUS 0.45% 321,681 $146M $455.33 $43M +17,106 +5.6%
68 CNQ 0.44% 3,635,082 $144M $39.53 — +3,635,082 — NEW
69 RS 0.44% 382,494 $143M $373.60 $20M -20,993 -5.2%
70 TOTB.DE 0.43% 1,819,275 $141M $77.70 $62M +965,524 +113.1%
71 FPS 0.43% 2,516,270 $141M $55.86 — +2,516,270 — NEW
72 PTCT 0.43% 1,722,688 $141M $81.57 — +1,722,688 — NEW
73 TKR 0.42% 954,839 $139M $145.32 $138M +949,663 +18347.4%
74 CYTK 0.42% 1,603,442 $137M $85.19 $65M +515,851 +47.4%
75 LECO 0.41% 506,862 $135M $265.51 $1M -27,989 -5.2%
76 EXP 0.40% 576,712 $130M $225.00 $10M -53,680 -8.5%
77 CLH 0.38% 419,210 $125M $298.75 -$2M -23,888 -5.4%
78 NOVT 0.38% 765,867 $124M $162.24 $32M -17,217 -2.2%
79 FHN 0.38% 4,808,223 $123M $25.64 $8M -249,869 -4.9%
80 ETSY 0.37% 1,598,520 $120M $75.33 — +1,598,520 — NEW
81 TIGO 0.36% 1,309,545 $119M $90.76 $14M -96,063 -6.8%
82 DBD 0.36% 1,379,553 $117M $85.02 $10M -46,911 -3.3%
83 GTX 0.36% 3,232,883 $117M $36.23 $12M -2,529,814 -43.9%
84 EHC 0.36% 1,151,085 $116M $101.08 $39M +347,934 +43.3%
85 APPF 0.35% 721,826 $116M $160.35 $14M +78,595 +12.2%
86 MAR 0.34% 300,872 $112M $370.59 $84M +216,241 +255.5%
87 NBHC 0.34% 2,497,817 $111M $44.43 $14M +22,956 +0.9%
88 CMG 0.34% 3,235,762 $110M $34.00 -$15M -674,911 -17.3%
89 SAIA 0.33% 259,020 $109M $421.16 $49M +88,875 +52.2%
90 RGEN 0.33% 788,571 $108M $136.44 — +788,571 — NEW
91 FRPT 0.33% 1,810,994 $107M $59.12 $161K -2,191 -0.1%
92 JAZZ 0.32% 436,893 $105M $240.97 $92M +366,010 +516.4%
93 MLM 0.32% 181,902 $105M $576.70 -$55M -90,490 -33.2%
94 KNX 0.32% 1,330,047 $104M $77.87 $49M +386,761 +41.0%
95 WFRD 0.31% 1,260,878 $103M $81.50 $48M +680,947 +117.4%
96 GMED 0.31% 1,284,896 $102M $79.01 -$72M -724,867 -36.1%
97 NU 0.31% 7,596,051 $101M $13.36 -$75M -4,671,549 -38.1%
98 HBM 0.30% 4,215,842 $100M $23.61 — +4,215,842 — NEW
99 ONB 0.30% 3,833,314 $99M $25.90 $13M -61,484 -1.6%
100 LB 0.30% 1,235,265 $98M $79.24 $37M +347,799 +39.2%

New Positions

SymbolValue% Port
GE $296M 0.90%
CRWD $215M 0.66%
STX $184M 0.56%
CNQ $144M 0.44%
FPS $141M 0.43%
PTCT $141M 0.43%
ETSY $120M 0.37%
RGEN $108M 0.33%
HBM $100M 0.30%
AAOI $75M 0.23%
LRN $71M 0.22%
SPCX $60M 0.18%
CRCL $54M 0.16%
AMX $52M 0.16%
KRMN $49M 0.15%

Sold Out Positions

SymbolValue% Port
ABT — —%
GFI — —%
BE — —%
SLGN — —%
BABA — —%
VEEV — —%
AEM — —%
ACN — —%
TNET — —%
SPOT — —%
ACVA — —%
OMF — —%
ELF — —%
LPX — —%
GEF — —%
View SEC EDGAR Filings for WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms