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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 | |
|---|---|---|---|---|---|---|
926
Delta Air Lines
DAL
$60B
| $909K | ﹤0.01% |
18,831
-7,382
| -28% | -$327K |
|
927
BorgWarner
BWA
$13.8B
| $908K | ﹤0.01% |
22,260
-5,577
| -20% | -$217K |
|
|
SUMO
928
DELISTED
Sumo Logic, Inc. Common Stock
SUMO
| $901K | ﹤0.01% |
47,774
-11,787
| -20% | -$344K |
|
929
Wynn Resorts
WYNN
$10.5B
| $897K | ﹤0.01% |
+7,155
| New | +$862K |
|
930
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.31B
| $897K | ﹤0.01% |
6,801
+1,063
| +19% | +$154K |
|
931
HealthEquity
HQY
$8.83B
| $896K | ﹤0.01% |
13,182
+33
| +0.3% | +$2.59K |
|
932
Encore Capital Group
ECPG
$2.15B
| $895K | ﹤0.01% |
22,242
| – | – |
|
933
Sun Communities
SUI
$14.6B
| $895K | ﹤0.01% |
5,964
+106
| +2% | +$15.7K |
|
934
Western Union
WU
$2.34B
| $894K | ﹤0.01% |
36,242
+4,609
| +15% | +$109K |
|
935
Popular Inc
BPOP
$11.3B
| $890K | ﹤0.01% |
12,650
-6,100
| -33% | -$395K |
|
936
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.92B
| $890K | ﹤0.01% |
6,170
+184
| +3% | +$26.5K |
|
937
Halozyme
HALO
$11.4B
| $884K | ﹤0.01% |
21,203
-3,025
| -12% | -$138K |
|
|
PSXP
938
DELISTED
PHILLIPS 66 PARTNERS LP
PSXP
| $878K | ﹤0.01% |
27,720
-6,845
| -20% | -$194K |
|
939
XPO
XPO
$24.7B
| $874K | ﹤0.01% |
20,506
-428
| -2% | -$17.8K |
|
940
First Trust NASDAQ Cybersecurity ETF
CIBR
$16B
| $871K | ﹤0.01% |
20,834
+109
| +0.5% | +$4.77K |
|
941
Helen of Troy
HELE
$699M
| $861K | ﹤0.01% |
4,087
-316
| -7% | -$71.3K |
|
942
Nutrien
NTR
$32.2B
| $860K | ﹤0.01% |
15,953
+514
| +3% | +$28K |
|
943
Boston Beer
SAM
$1.9B
| $859K | ﹤0.01% |
712
-26
| -4% | -$27.3K |
|
944
Schwab US Broad Market ETF
SCHB
$45.2B
| $856K | ﹤0.01% |
53,124
+13,626
| +34% | +$215K |
|
945
IDEX
IEX
$17.6B
| $855K | ﹤0.01% |
4,087
+919
| +29% | +$182K |
|
946
iShares Europe ETF
IEV
$1.7B
| $854K | ﹤0.01% |
16,998
-795
| -4% | -$39.3K |
|
947
Dime Commercial Bancshares
DCOM
$1.82B
| $851K | ﹤0.01% |
+28,224
| New | +$808K |
|
948
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
| $850K | ﹤0.01% |
6,541
-114
| -2% | -$15K |
|
949
Euronet Worldwide
EEFT
$2.78B
| $848K | ﹤0.01% |
6,132
+76
| +1% | +$11K |
|
950
Regeneron Pharmaceuticals
REGN
$83B
| $844K | ﹤0.01% |
1,783
+532
| +43% | +$259K |
|
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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.