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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
-1.82%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$33.2B
AUM Growth
-$1.22B
Cap. Flow
+$11.1M
Cap. Flow %
0.03%
Top 10 Hldgs %
23.77%
Holding
1,895
New
82
Increased
626
Reduced
808
Closed
94

Top Buys

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$112M
2
AAON icon
Aaon
AAON
+$104M
3
GEV icon
GE Vernova
GEV
+$77.6M
4
QCOM icon
Qualcomm
QCOM
+$47M
5
WM icon
Waste Management
WM
+$44.3M

Top Sells

Rank Stock Value
1
INTU icon
Intuit
INTU
+$65.9M
2
POOL icon
Pool Corp
POOL
+$64.7M
3
DHR icon
Danaher
DHR
+$59.8M
4
ZTS icon
Zoetis
ZTS
+$57.9M
5
SCHW
Charles Schwab
SCHW
+$44.5M

Sector Composition

Rank Sector Weight
1 Technology 26.23%
2 Financials 14.3%
3 Healthcare 12.58%
4 Industrials 12.51%
5 Consumer Discretionary 7.94%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IJT icon
801
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.43B
$1.37M ﹤0.01%
11,003
-1,272
-10% -$170K
VGSH icon
802
Vanguard Short-Term Treasury ETF
VGSH
$30.2B
$1.37M ﹤0.01%
23,304
-3,890
-14% -$227K
CLX icon
803
Clorox
CLX
$12.9B
$1.35M ﹤0.01%
9,196
-75
-0.8% -$11.5K
TLT icon
804
iShares 20+ Year Treasury Bond ETF
TLT
$40.8B
$1.35M ﹤0.01%
14,853
-595
-4% -$53K
ORI icon
805
Old Republic International
ORI
$10.3B
$1.35M ﹤0.01%
34,329
+727
+2% +$26.7K
MTB icon
806
M&T Bank
MTB
$36.6B
$1.34M ﹤0.01%
7,471
-20
-0.3% -$3.79K
TFC icon
807
Truist Financial
TFC
$64.7B
$1.33M ﹤0.01%
32,338
-1,439
-4% -$64.1K
CIEN icon
808
Ciena
CIEN
$62.7B
$1.33M ﹤0.01%
22,020
-250
-1% -$19.8K
YUMC icon
809
Yum China
YUMC
$16.2B
$1.32M ﹤0.01%
25,406
-591
-2% -$28.4K
LZ icon
810
LegalZoom.com
LZ
$993M
$1.32M ﹤0.01%
153,552
-16,544
-10% -$148K
SPDW icon
811
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$42B
$1.31M ﹤0.01%
35,873
+2,760
+8% +$99.7K
STRL icon
812
Sterling Infrastructure
STRL
$16.9B
$1.3M ﹤0.01%
+11,500
New +$1.62M
ARIS
813
DELISTED
Aris Water Solutions
ARIS
$1.29M ﹤0.01%
40,399
+25,899
+179% +$735K
MMSI icon
814
Merit Medical Systems
MMSI
$5.4B
$1.29M ﹤0.01%
12,232
-285
-2% -$29.4K
SKWD icon
815
Skyward Specialty Insurance
SKWD
$2.39B
$1.29M ﹤0.01%
24,322
-7,900
-25% -$381K
IYF icon
816
iShares US Financials ETF
IYF
$4.44B
$1.29M ﹤0.01%
11,402
+752
+7% +$86.1K
CELH icon
817
Celsius Holdings
CELH
$7.28B
$1.27M ﹤0.01%
35,759
-6,340
-15% -$173K
GDDY icon
818
GoDaddy
GDDY
$12.7B
$1.26M ﹤0.01%
7,000
-48,059
-87% -$9.18M
UAL icon
819
United Airlines
UAL
$41B
$1.26M ﹤0.01%
18,256
+956
+6% +$90.3K
VYMI icon
820
Vanguard International High Dividend Yield ETF
VYMI
$21.3B
$1.26M ﹤0.01%
17,098
+1,259
+8% +$90.4K
QDEF icon
821
FlexShares Quality Dividend Defensive Index Fund
QDEF
$564M
$1.25M ﹤0.01%
17,919
-445
-2% -$31.7K
UFPI icon
822
UFP Industries
UFPI
$5.03B
$1.25M ﹤0.01%
11,662
+1,685
+17% +$188K
WPC icon
823
W.P. Carey
WPC
$16.3B
$1.24M ﹤0.01%
19,722
-1,916
-9% -$113K
XLB icon
824
State Street Materials Select Sector SPDR ETF
XLB
$8.57B
$1.24M ﹤0.01%
28,928
-14
-0% -$612
MORN icon
825
Morningstar
MORN
$7.76B
$1.24M ﹤0.01%
4,146
+1
+0% +$315
31 32
33
34 35

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William Blair & Company's Q1 2025 Portfolio in Review

As of Q1 2025, William Blair & Company held 1,895 positions worth $33.2B, down 3.6% from $34.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2025 filing shows 82 new, 626 increased, 808 reduced and 94 closed positions. Its largest new stake was CCC Intelligent Solutions: 320,989 shares worth $2.9M. The largest sale was Intuit, an estimated $65.9M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 28% a quarter earlier, followed by Financials and Healthcare.

  • William Blair & Company's largest Q1 2025 buy was CCC Intelligent Solutions: 320,989 shares worth $2.9M.
  • William Blair & Company added most to Meta Platforms (Facebook) in Q1 2025, an estimated $112M increase.
  • William Blair & Company's biggest Q1 2025 reduction was Intuit, cutting an estimated $65.9M.
  • William Blair & Company fully exited Smartsheet Inc. in Q1 2025, selling an estimated $3.52M.
  • William Blair & Company's ten largest holdings make up 24% of its $33.2B portfolio in Q1 2025.
  • William Blair & Company opened 82 new positions and closed 94 in Q1 2025.
  • William Blair & Company's portfolio value fell 3.6% quarter-over-quarter to $33.2B.

Based on William Blair & Company's 13F filing for Q1 2025, filed 9 May 2025.