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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 | |
|---|---|---|---|---|---|---|
1226
Synchrony
SYF
$26.1B
| $391K | ﹤0.01% |
9,607
+67
| +0.7% | +$2.58K |
|
1227
Black Hills Corp
BKH
$5.63B
| $390K | ﹤0.01% |
5,845
+9
| +0.2% | +$559 |
|
1228
Travel + Leisure Co
TNL
$4.57B
| $390K | ﹤0.01% |
6,380
| – | – |
|
1229
Lennar Class B
LEN.B
$20.6B
| $389K | ﹤0.01% |
4,971
+17
| +0.3% | +$1.13K |
|
1230
First Trust Cloud Computing ETF
SKYY
$3.34B
| $388K | ﹤0.01% |
4,056
+318
| +9% | +$31.8K |
|
1231
Albany International
AIN
$1.81B
| $387K | ﹤0.01% |
4,631
+1,601
| +53% | +$127K |
|
|
SIEN
1232
DELISTED
Sientra, Inc.
SIEN
| $387K | ﹤0.01% |
5,310
+3,590
| +209% | +$229K |
|
1233
FirstCash
FCFS
$9.27B
| $385K | ﹤0.01% |
5,864
-628
| -10% | -$39.8K |
|
1234
Liberty Media Series C
FWONK
$26B
| $385K | ﹤0.01% |
9,196
+921
| +11% | +$38.9K |
|
1235
Open Text
OTEX
$5.93B
| $385K | ﹤0.01% |
8,079
+1,034
| +15% | +$48.4K |
|
1236
Greif
GEF
$5.06B
| $381K | ﹤0.01% |
+6,685
| New | +$344K |
|
1237
Hilton Worldwide
HLT
$72.2B
| $380K | ﹤0.01% |
3,145
+221
| +8% | +$25.5K |
|
1238
Hartford Financial Services
HIG
$37.7B
| $379K | ﹤0.01% |
5,668
-909
| -14% | -$49.1K |
|
1239
ManpowerGroup
MAN
$2.7B
| $378K | ﹤0.01% |
3,821
+40
| +1% | +$3.83K |
|
1240
WisdomTree US SmallCap Dividend Fund
DES
$2.23B
| $375K | ﹤0.01% |
12,049
+1
| +0% | +$30 |
|
1241
Vanguard FTSE All-World ex-US Small-Cap Index Fund
VSS
$12B
| $375K | ﹤0.01% |
2,925
+110
| +4% | +$13.9K |
|
1242
Apollo Global Management
APO
$84.2B
| $374K | ﹤0.01% |
7,950
| – | – |
|
1243
iShares US Industrials ETF
IYJ
$1.96B
| $374K | ﹤0.01% |
3,536
-1,187
| -25% | -$119K |
|
1244
Centene
CNC
$32.7B
| $373K | ﹤0.01% |
5,838
+385
| +7% | +$23.8K |
|
1245
CarGurus
CARG
$3.38B
| $372K | ﹤0.01% |
15,605
-16,520
| -51% | -$479K |
|
1246
Lumen
LUMN
$6.59B
| $370K | ﹤0.01% |
27,714
-2,035
| -7% | -$25.3K |
|
1247
Zillow
Z
$8.01B
| $370K | ﹤0.01% |
2,853
+1,686
| +144% | +$250K |
|
1248
Cedar Fair
FUN
$1.72B
| $369K | ﹤0.01% |
7,422
| – | – |
|
1249
Myriad Genetics
MYGN
$309M
| $369K | ﹤0.01% |
12,119
| – | – |
|
|
PHAS
1250
DELISTED
PhaseBio Pharmaceuticals, Inc. Common Stock
PHAS
| $368K | ﹤0.01% |
106,500
+39,000
| +58% | +$158K |
|
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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.