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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 | |
|---|---|---|---|---|---|---|
1151
iShare MSCI Eurozone ETF
EZU
$9.95B
| $456K | ﹤0.01% |
9,811
| – | – |
|
1152
Public Storage
PSA
$61.3B
| $454K | ﹤0.01% |
1,839
+90
| +5% | +$21K |
|
1153
Pinnacle West Capital
PNW
$12.2B
| $451K | ﹤0.01% |
5,550
+1,786
| +47% | +$138K |
|
1154
Ally Financial
ALLY
$13.6B
| $449K | ﹤0.01% |
9,939
-317
| -3% | -$13.3K |
|
1155
Brookfield Renewable
BEPC
$6.65B
| $449K | ﹤0.01% |
9,592
+1,505
| +19% | +$76.8K |
|
1156
Vanguard Short-Term Treasury ETF
VGSH
$30.2B
| $449K | ﹤0.01% |
7,300
| – | – |
|
1157
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$2.97B
| $448K | ﹤0.01% |
14,628
+3,345
| +30% | +$102K |
|
1158
KB Home
KBH
$3.45B
| $448K | ﹤0.01% |
9,628
-3,300
| -26% | -$136K |
|
1159
CNA Financial
CNA
$13.8B
| $447K | ﹤0.01% |
10,020
+975
| +11% | +$41.6K |
|
1160
Lincoln Electric
LECO
$15.5B
| $447K | ﹤0.01% |
3,636
-34
| -0.9% | -$4.06K |
|
1161
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.98B
| $446K | ﹤0.01% |
10,056
-131
| -1% | -$5.63K |
|
1162
Mohawk Industries
MHK
$9.42B
| $446K | ﹤0.01% |
2,320
+350
| +18% | +$58.3K |
|
1163
ORIX
IX
$43.9B
| $445K | ﹤0.01% |
26,220
| – | – |
|
|
XEC
1164
DELISTED
CIMAREX ENERGY CO
XEC
| $444K | ﹤0.01% |
7,476
-3,944
| -35% | -$211K |
|
1165
Idacorp
IDA
$8.15B
| $443K | ﹤0.01% |
4,428
-991
| -18% | -$90.6K |
|
1166
Wyndham Hotels & Resorts
WH
$5.5B
| $443K | ﹤0.01% |
6,342
-46
| -0.7% | -$2.94K |
|
1167
Arrow Electronics
ARW
$10.6B
| $440K | ﹤0.01% |
3,970
-2,713
| -41% | -$282K |
|
1168
Zumiez
ZUMZ
$322M
| $440K | ﹤0.01% |
10,250
-3,175
| -24% | -$141K |
|
|
AY
1169
DELISTED
Atlantica Sustainable Infrastructure plc Ordinary Shares
AY
| $440K | ﹤0.01% |
12,019
-5,616
| -32% | -$221K |
|
1170
Cadence Design Systems
CDNS
$89.5B
| $439K | ﹤0.01% |
3,208
-66
| -2% | -$8.86K |
|
1171
Hecla Mining
HL
$11.9B
| $439K | ﹤0.01% |
77,098
-736
| -0.9% | -$4.49K |
|
1172
ABM Industries
ABM
$2.82B
| $438K | ﹤0.01% |
8,586
-18
| -0.2% | -$789 |
|
1173
Las Vegas Sands
LVS
$29.6B
| $438K | ﹤0.01% |
7,202
+2,152
| +43% | +$126K |
|
1174
Bain Capital Specialty
BCSF
$821M
| $437K | ﹤0.01% |
29,570
| – | – |
|
1175
Casey's General Stores
CASY
$31.5B
| $437K | ﹤0.01% |
2,023
-45
| -2% | -$9K |
|
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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.