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William Blair & Company Portfolio holdings
AUM
$38.4B
1-Year Est. Return
25.71%
This Fund
S&P 500
This Quarter
Est. Return
+2.39%
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
$26.5B
AUM Growth
-$769M
(-2.8%)
Cap. Flow
-$1.09B
Cap. Flow
% of AUM
-4.11%
Top 10 Holdings %
Top 10 Hldgs %
22.54%
Holding
1,941
New
123
Increased
715
Reduced
742
Closed
84
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
CarMax
KMX
|
+$73M |
| 2 |
OSH
Oak Street Health, Inc.
OSH
|
+$60.6M |
| 3 |
iRhythm Holdings
IRTC
|
+$51.2M |
| 4 |
DexCom
DXCM
|
+$39.4M |
| 5 |
Aon
AON
|
+$30.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$449M |
| 2 |
Vanguard Morningstar Growth ETF
VUG
|
+$271M |
| 3 |
Amazon
AMZN
|
+$157M |
| 4 |
Microsoft
MSFT
|
+$83.3M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$78.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.67% |
| 2 | Healthcare | 19.26% |
| 3 | Financials | 11.68% |
| 4 | Consumer Discretionary | 10.53% |
| 5 | Industrials | 9.66% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
826
Expedia Group
EXPE
$39.4B
| $1.25M | ﹤0.01% |
7,277
+3,318
| +84% | +$511K |
|
|
LL
827
DELISTED
LL Flooring Holdings, Inc.
LL
| $1.25M | ﹤0.01% |
49,665
+1,825
| +4% | +$50.6K |
|
828
State Street SPDR S&P Software & Services ETF
XSW
$515M
| $1.25M | ﹤0.01% |
7,918
-60
| -0.8% | -$9.67K |
|
|
TVTY
829
DELISTED
Tivity Health, Inc. Common Stock
TVTY
| $1.25M | ﹤0.01% |
55,760
+15,560
| +39% | +$357K |
|
830
Acadia Healthcare
ACHC
$2.82B
| $1.24M | ﹤0.01% |
21,718
+5,563
| +34% | +$301K |
|
831
Eagle Materials
EXP
$6.41B
| $1.24M | ﹤0.01% |
9,197
+79
| +0.9% | +$9.57K |
|
832
AB InBev
BUD
$158B
| $1.23M | ﹤0.01% |
19,574
-638
| -3% | -$41.2K |
|
833
Exelon
EXC
$47B
| $1.23M | ﹤0.01% |
39,328
-5,225
| -12% | -$157K |
|
834
Cable One
CABO
$206M
| $1.22M | ﹤0.01% |
669
-16
| -2% | -$31.3K |
|
835
LyondellBasell Industries
LYB
$20.2B
| $1.22M | ﹤0.01% |
11,733
+629
| +6% | +$62.4K |
|
836
PACCAR
PCAR
$68.8B
| $1.22M | ﹤0.01% |
19,650
-692
| -3% | -$43.2K |
|
837
United Airlines
UAL
$41B
| $1.21M | ﹤0.01% |
21,104
+6,362
| +43% | +$311K |
|
838
iShares MSCI World ETF
URTH
$8.4B
| $1.2M | ﹤0.01% |
10,089
+560
| +6% | +$65K |
|
839
Boston Scientific
BSX
$74.9B
| $1.19M | ﹤0.01% |
30,754
+337
| +1% | +$12.8K |
|
840
Nice
NICE
$6.17B
| $1.18M | ﹤0.01% |
5,397
-501
| -8% | -$125K |
|
|
IBDM
841
DELISTED
iShares iBonds Dec 2021 Term Corporate ETF
IBDM
| $1.18M | ﹤0.01% |
47,275
+898
| +2% | +$22.3K |
|
842
Agnico Eagle Mines
AEM
$91.3B
| $1.17M | ﹤0.01% |
20,295
+837
| +4% | +$54.1K |
|
843
Monster Beverage
MNST
$91.4B
| $1.17M | ﹤0.01% |
51,332
-3,272
| -6% | -$73.3K |
|
844
Dentsply Sirona
XRAY
$2.31B
| $1.16M | ﹤0.01% |
18,211
-975
| -5% | -$56.6K |
|
|
RVNC
845
DELISTED
Revance Therapeutics, Inc.
RVNC
| $1.16M | ﹤0.01% |
41,514
+21,033
| +103% | +$582K |
|
|
LMNX
846
DELISTED
Luminex Corp
LMNX
| $1.16M | ﹤0.01% |
36,300
-700
| -2% | -$20.8K |
|
847
iShares Global Tech ETF
IXN
$9.47B
| $1.16M | ﹤0.01% |
22,518
+2,412
| +12% | +$123K |
|
848
The Mosaic Company
MOS
$6.92B
| $1.15M | ﹤0.01% |
36,439
+7,675
| +27% | +$226K |
|
849
Domo
DOMO
$187M
| $1.14M | ﹤0.01% |
20,303
+151
| +0.7% | +$9.81K |
|
850
Waters Corp
WAT
$40.6B
| $1.14M | ﹤0.01% |
4,020
-12
| -0.3% | -$3.28K |
|
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William Blair & Company's Q1 2021 Portfolio in Review
As of Q1 2021, William Blair & Company held 1,941 positions worth $26.5B, down 2.8% from $27.3B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
William Blair & Company withdrew a net $1.09B in Q1 2021, closing 84 positions and reducing 742 holdings. Its most notable exit was HMS Holdings Corp., an estimated $7.64M position sold in full.
By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 28% a quarter earlier, followed by Healthcare and Financials.
Against the trend, William Blair & Company opened a new position in Oak Street Health, Inc. worth $59.1M.
- William Blair & Company's largest Q1 2021 buy was Oak Street Health, Inc.: 1,089,318 shares worth $59.1M.
- William Blair & Company added most to CarMax in Q1 2021, an estimated $73M increase.
- William Blair & Company's biggest Q1 2021 reduction was Apple, cutting an estimated $449M.
- William Blair & Company fully exited HMS Holdings Corp. in Q1 2021, selling an estimated $7.64M.
- William Blair & Company's ten largest holdings make up 23% of its $26.5B portfolio in Q1 2021.
- William Blair & Company opened 123 new positions and closed 84 in Q1 2021.
- William Blair & Company's portfolio value fell 2.8% quarter-over-quarter to $26.5B.
Based on William Blair & Company's 13F filing for Q1 2021, filed 13 May 2021.