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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 | |
|---|---|---|---|---|---|---|
751
Willis Towers Watson
WTW
$31B
| $1.59M | 0.01% |
6,959
+213
| +3% | +$46.4K |
|
752
HCA Healthcare
HCA
$89.1B
| $1.59M | 0.01% |
8,452
-395
| -4% | -$69.7K |
|
753
Invesco FTSE RAFI US 1000 ETF
PRF
$10.1B
| $1.59M | 0.01% |
52,470
+15,675
| +43% | +$450K |
|
754
Citizens Financial Group
CFG
$31.2B
| $1.59M | 0.01% |
36,035
+6,009
| +20% | +$250K |
|
755
Allstate
ALL
$65.9B
| $1.59M | 0.01% |
13,804
-3,261
| -19% | -$359K |
|
756
Quest Diagnostics
DGX
$26.1B
| $1.58M | 0.01% |
12,304
-19,037
| -61% | -$2.35M |
|
757
Grand Canyon Education
LOPE
$3.79B
| $1.58M | 0.01% |
14,717
-1,686
| -10% | -$167K |
|
758
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.73B
| $1.57M | 0.01% |
16,182
-1,290
| -7% | -$123K |
|
759
Invesco
IVZ
$14.3B
| $1.56M | 0.01% |
61,697
+80
| +0.1% | +$1.79K |
|
|
BNY
760
Bank of New York Mellon
BNY
$110B
| $1.55M | 0.01% |
32,750
-337
| -1% | -$14.8K |
|
|
DDMX
761
DELISTED
DD3 Acquisition Corp. II Class A Common Stock
DDMX
| $1.55M | 0.01% |
+158,718
| New | +$1.61M |
|
762
VanEck Junior Gold Miners ETF
GDXJ
$8.33B
| $1.54M | 0.01% |
34,188
-14,659
| -30% | -$721K |
|
763
Cheniere Energy
LNG
$55B
| $1.54M | 0.01% |
21,372
| – | – |
|
764
Teradyne
TER
$64.2B
| $1.54M | 0.01% |
12,628
-392
| -3% | -$49.3K |
|
|
AZPN
765
DELISTED
ASPEN TECHNOLOGY INC
AZPN
| $1.53M | 0.01% |
10,634
+725
| +7% | +$105K |
|
766
TriMas Corp
TRS
$1.39B
| $1.53M | 0.01% |
50,360
+43,451
| +629% | +$1.43M |
|
767
Sprott Physical Gold
PHYS
$15.7B
| $1.52M | 0.01% |
113,033
-239
| -0.2% | -$3.39K |
|
768
State Street SPDR S&P Semiconductor ETF
XSD
$2.88B
| $1.51M | 0.01% |
8,290
| – | – |
|
769
Viatris
VTRS
$18.4B
| $1.51M | 0.01% |
108,275
-19,209
| -15% | -$313K |
|
770
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.43B
| $1.5M | 0.01% |
11,716
-1,606
| -12% | -$204K |
|
771
Clover Health Investments
CLOV
$2.38B
| $1.5M | 0.01% |
+198,587
| New | +$2.24M |
|
772
DTE Energy
DTE
$29B
| $1.48M | 0.01% |
13,092
-408
| -3% | -$42.8K |
|
773
Prologis
PLD
$134B
| $1.48M | 0.01% |
13,968
+1,218
| +10% | +$124K |
|
774
Ciena
CIEN
$62.7B
| $1.46M | 0.01% |
26,747
-143
| -0.5% | -$7.7K |
|
|
FLG
775
Flagstar Bank National Association
FLG
$5.92B
| $1.46M | 0.01% |
38,651
-109
| -0.3% | -$3.77K |
|
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HF
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.