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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+7.16%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$34.1B
AUM Growth
+$1.63B
Cap. Flow
-$169M
Cap. Flow %
-0.5%
Top 10 Hldgs %
23.77%
Holding
1,892
New
86
Increased
671
Reduced
778
Closed
71

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$92.1M
2
AAON icon
Aaon
AAON
+$55.5M
3
P
Everpure Inc
P
+$43.5M
4
BAH icon
Booz Allen Hamilton
BAH
+$29M
5
RBC icon
RBC Bearings
RBC
+$26.8M

Top Sells

Rank Stock Value
1
DXCM icon
DexCom
DXCM
+$128M
2
CRWD icon
CrowdStrike
CRWD
+$42.9M
3
BLK icon
Blackrock
BLK
+$42M
4
CSGP icon
CoStar Group
CSGP
+$41.5M
5
SBUX icon
Starbucks
SBUX
+$38.8M

Sector Composition

Rank Sector Weight
1 Technology 27.11%
2 Healthcare 14.76%
3 Financials 12.67%
4 Industrials 11.93%
5 Consumer Discretionary 7.9%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SMIN icon
1076
iShares MSCI India Small-Cap ETF
SMIN
$776M
$576K ﹤0.01%
6,701
-972
-13% -$81.1K
MFC icon
1077
Manulife Financial
MFC
$73.5B
$574K ﹤0.01%
19,437
-5,834
-23% -$157K
PFEB icon
1078
Innovator US Equity Power Buffer ETF February
PFEB
$924M
$573K ﹤0.01%
15,888
– –
FWONK icon
1079
Liberty Media Series C
FWONK
$25.8B
$570K ﹤0.01%
7,362
-20
-0.3% -$1.54K
TWI icon
1080
Titan International
TWI
$475M
$570K ﹤0.01%
70,100
– –
NU icon
1081
Nu Holdings
NU
$66.9B
$563K ﹤0.01%
41,258
+14,984
+57% +$202K
SSO icon
1082
ProShares Ultra S&P500
SSO
$8.41B
$562K ﹤0.01%
12,472
-520
-4% -$21.9K
MPLX icon
1083
MPLX
MPLX
$59.7B
$558K ﹤0.01%
12,555
-439
-3% -$18.8K
FXO icon
1084
First Trust Financials AlphaDEX Fund
FXO
$1.14B
$557K ﹤0.01%
10,895
– –
JNPR
1085
DELISTED
Juniper Networks
JNPR
$556K ﹤0.01%
14,275
-769
-5% -$29.3K
IYJ icon
1086
iShares US Industrials ETF
IYJ
$1.95B
$556K ﹤0.01%
4,160
-140
-3% -$17.6K
MTTR
1087
DELISTED
Matterport, Inc. Class A Common Stock
MTTR
$555K ﹤0.01%
123,373
-45,100
-27% -$197K
LPX icon
1088
Louisiana-Pacific
LPX
$5.49B
$552K ﹤0.01%
5,135
– –
MGTX icon
1089
MeiraGTx Holdings
MGTX
$1.21B
$551K ﹤0.01%
132,133
– –
CNC icon
1090
Centene
CNC
$32.5B
$551K ﹤0.01%
7,318
-25,251
-78% -$1.85M
CASY icon
1091
Casey's General Stores
CASY
$30.9B
$549K ﹤0.01%
1,461
+37
+3% +$13.8K
HSBC icon
1092
HSBC
HSBC
$356B
$545K ﹤0.01%
12,056
– –
FNDX icon
1093
Schwab Fundamental US Large Company Index ETF
FNDX
$27.3B
$543K ﹤0.01%
22,689
-123
-0.5% -$2.83K
JMST icon
1094
JPMorgan Ultra-Short Municipal Income ETF
JMST
$7.15B
$541K ﹤0.01%
10,619
+1,588
+18% +$80.7K
HEEM icon
1095
iShares Currency Hedged MSCI Emerging Markets
HEEM
$288M
$540K ﹤0.01%
19,009
-2,156
-10% -$58.4K
WRB icon
1096
W.R. Berkley
WRB
$26.6B
$538K ﹤0.01%
9,492
+9
+0.1% +$505
PAL
1097
Proficient Auto Logistics
PAL
$204M
$533K ﹤0.01%
37,585
-3,532
-9% -$63.8K
VCYT icon
1098
Veracyte
VCYT
$3.8B
$529K ﹤0.01%
15,542
-162
-1% -$4.56K
OLED icon
1099
Universal Display
OLED
$4.19B
$526K ﹤0.01%
2,504
-8
-0.3% -$1.62K
MP icon
1100
MP Materials
MP
$9.1B
$524K ﹤0.01%
29,682
– –
42 43
44
45 46

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William Blair & Company's Q3 2024 Portfolio in Review

As of Q3 2024, William Blair & Company held 1,892 positions worth $34.1B, up 5% from $32.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2024 filing shows 86 new, 671 increased, 778 reduced and 71 closed positions. Its largest new stake was PAR Technology: 73,733 shares worth $3.84M. The largest sale was DexCom, an estimated $128M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 27% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2024 buy was PAR Technology: 73,733 shares worth $3.84M.
  • William Blair & Company added most to NVIDIA in Q3 2024, an estimated $92.1M increase.
  • William Blair & Company's biggest Q3 2024 reduction was DexCom, cutting an estimated $128M.
  • William Blair & Company fully exited Blackrock in Q3 2024, selling an estimated $42M.
  • William Blair & Company's ten largest holdings make up 24% of its $34.1B portfolio in Q3 2024.
  • William Blair & Company opened 86 new positions and closed 71 in Q3 2024.
  • William Blair & Company's portfolio value rose 5% quarter-over-quarter to $34.1B.

Based on William Blair & Company's 13F filing for Q3 2024, filed 12 Nov 2024.