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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
+8.67%
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
$23B
AUM Growth
+$1.22B
Cap. Flow
-$156M
Cap. Flow %
-0.68%
Top 10 Hldgs %
22.7%
Holding
1,905
New
81
Increased
568
Reduced
855
Closed
91

Top Buys

Rank Stock Value
1
POOL icon
Pool Corp
POOL
+$43.2M
2
TEAM icon
Atlassian
TEAM
+$36.6M
3
NOVT icon
Novanta
NOVT
+$28.8M
4
PANW icon
Palo Alto Networks
PANW
+$23.2M
5
MSI icon
Motorola Solutions
MSI
+$20.1M

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$103M
2
PYPL icon
PayPal
PYPL
+$28.4M
3
DIS icon
Walt Disney
DIS
+$26.7M
4
KMX icon
CarMax
KMX
+$25.2M
5
CRM icon
Salesforce
CRM
+$24.3M

Sector Composition

Rank Sector Weight
1 Technology 22.31%
2 Healthcare 19.82%
3 Financials 12.49%
4 Industrials 11.58%
5 Consumer Discretionary 8.46%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SCHE icon
1026
Schwab Emerging Markets Equity ETF
SCHE
$12.9B
$516K ﹤0.01%
21,794
+343
+2% +$7.98K
W icon
1027
Wayfair
W
$13.9B
$514K ﹤0.01%
15,633
+7,718
+98% +$269K
GRMN
1028
Garmin
GRMN
$60.2B
$514K ﹤0.01%
5,568
+43
+0.8% +$3.8K
ALLK
1029
DELISTED
Allakos
ALLK
$511K ﹤0.01%
60,717
+4,900
+9% +$34K
BBAX icon
1030
JPMorgan BetaBuilders Developed Asia Pacific-ex Japan ETF
BBAX
$6.78B
$510K ﹤0.01%
10,422
+250
+2% +$11.6K
RACE icon
1031
Ferrari
RACE
$72.5B
$508K ﹤0.01%
2,371
-263
-10% -$54.2K
SCHV
1032
Schwab US Large-Cap Value ETF
SCHV
$16.3B
$506K ﹤0.01%
22,974
-381
-2% -$8.25K
GCMG icon
1033
GCM Grosvenor
GCMG
$2.85B
$504K ﹤0.01%
66,204
+12,398
+23% +$101K
VPL icon
1034
Vanguard FTSE Pacific ETF
VPL
$8.65B
$501K ﹤0.01%
7,792
-166
-2% -$10.4K
TRGP icon
1035
Targa Resources
TRGP
$57.2B
$501K ﹤0.01%
6,820
-297
-4% -$20.7K
FHN icon
1036
First Horizon
FHN
$12.3B
$499K ﹤0.01%
20,386
-8,403
-29% -$204K
NVCR icon
1037
NovoCure
NVCR
$2.02B
$499K ﹤0.01%
6,800
– –
BIL icon
1038
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.7B
$497K ﹤0.01%
5,430
+1,968
+57% +$180K
PD icon
1039
PagerDuty
PD
$932M
$496K ﹤0.01%
18,660
+2,919
+19% +$69K
PAAS icon
1040
Pan American Silver
PAAS
$19.9B
$495K ﹤0.01%
30,307
+1
+0% +$16
NACP icon
1041
Impact Shares NAACP Minority Empowerment ETF
NACP
$77.7M
$495K ﹤0.01%
18,636
-594
-3% -$16.4K
UYG icon
1042
ProShares Ultra Financials
UYG
$863M
$485K ﹤0.01%
10,635
– –
DRS icon
1043
Leonardo DRS
DRS
$11.9B
$485K ﹤0.01%
+37,950
New +$440K
IYF icon
1044
iShares US Financials ETF
IYF
$4.44B
$485K ﹤0.01%
6,425
-33
-0.5% -$2.47K
BF.B icon
1045
Brown-Forman Class B
BF.B
$12.9B
$482K ﹤0.01%
7,335
-1,774
-19% -$120K
ITGR icon
1046
Integer Holdings
ITGR
$4.25B
$479K ﹤0.01%
7,000
-152
-2% -$9.94K
COHU icon
1047
Cohu
COHU
$2.76B
$479K ﹤0.01%
14,952
– –
CWST icon
1048
Casella Waste Systems
CWST
$5.79B
$478K ﹤0.01%
6,032
+54
+0.9% +$4.33K
ICSH icon
1049
iShares Ultra Short Duration Bond Active ETF
ICSH
$8.4B
$478K ﹤0.01%
9,559
-376
-4% -$18.8K
LII icon
1050
Lennox International
LII
$14.5B
$477K ﹤0.01%
1,995
-149
-7% -$36.5K
40 41
42
43 44

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William Blair & Company's Q4 2022 Portfolio in Review

As of Q4 2022, William Blair & Company held 1,905 positions worth $23B, up 5.6% from $21.8B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q4 2022 filing shows 81 new, 568 increased, 855 reduced and 91 closed positions. Its largest new stake was Atlassian: 230,078 shares worth $29.6M. The largest sale was Abiomed Inc, an estimated $103M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, down from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2022 buy was Atlassian: 230,078 shares worth $29.6M.
  • William Blair & Company added most to Pool Corp in Q4 2022, an estimated $43.2M increase.
  • William Blair & Company's biggest Q4 2022 reduction was PayPal, cutting an estimated $28.4M.
  • William Blair & Company fully exited Abiomed Inc in Q4 2022, selling an estimated $103M.
  • William Blair & Company's ten largest holdings make up 23% of its $23B portfolio in Q4 2022.
  • William Blair & Company opened 81 new positions and closed 91 in Q4 2022.
  • William Blair & Company's portfolio value rose 5.6% quarter-over-quarter to $23B.

Based on William Blair & Company's 13F filing for Q4 2022, filed 10 Feb 2023.