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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 | |
|---|---|---|---|---|---|---|
701
Steris
STE
$23.1B
| $1.92M | 0.01% |
10,103
+1,133
| +13% | +$210K |
|
702
Match Group
MTCH
$8.53B
| $1.92M | 0.01% |
13,965
-6,451
| -32% | -$970K |
|
703
Neurocrine Biosciences
NBIX
$15.3B
| $1.91M | 0.01% |
19,667
-10,562
| -35% | -$1.11M |
|
|
TLND
704
DELISTED
Talend S.A. American Depositary Shares
TLND
| $1.91M | 0.01% |
30,004
+645
| +2% | +$33.5K |
|
|
EPAY
705
DELISTED
Bottomline Technologies Inc
EPAY
| $1.9M | 0.01% |
41,977
-10,050
| -19% | -$484K |
|
706
Whirlpool
WHR
$2.8B
| $1.89M | 0.01% |
8,568
-133
| -2% | -$26.4K |
|
|
VAPO
707
DELISTED
Vapotherm, Inc. Common Stock
VAPO
| $1.87M | 0.01% |
9,738
-283
| -3% | -$65.7K |
|
708
Neuronetics
STIM
$212M
| $1.86M | 0.01% |
150,115
+4,780
| +3% | +$73.3K |
|
709
Morningstar
MORN
$7.76B
| $1.85M | 0.01% |
8,241
-4,475
| -35% | -$1.05M |
|
710
Middleby
MIDD
$5.28B
| $1.85M | 0.01% |
11,181
-215
| -2% | -$31.7K |
|
|
GGT
711
Gabelli Multimedia Trust
GGT
$176M
| $1.84M | 0.01% |
195,946
-9,338
| -5% | -$83.6K |
|
712
Equifax
EFX
$21.9B
| $1.84M | 0.01% |
10,162
-34
| -0.3% | -$6.01K |
|
713
HEICO Corp Class A
HEI.A
$37.9B
| $1.84M | 0.01% |
16,197
+694
| +4% | +$80.8K |
|
714
Invesco Preferred ETF
PGX
$3.77B
| $1.84M | 0.01% |
122,476
-6,242
| -5% | -$92.8K |
|
715
Energy Transfer Partners
ET
$71.6B
| $1.81M | 0.01% |
236,368
-25,380
| -10% | -$185K |
|
|
TCF
716
DELISTED
TCF Financial Corporation Common Stock
TCF
| $1.8M | 0.01% |
38,769
-31,824
| -45% | -$1.41M |
|
|
MNRL
717
DELISTED
Brigham Minerals, Inc. Class A Common Stock
MNRL
| $1.79M | 0.01% |
122,583
+30,724
| +33% | +$445K |
|
718
Williams-Sonoma
WSM
$28.6B
| $1.79M | 0.01% |
19,990
+504
| +3% | +$34K |
|
719
Palantir
PLTR
$432B
| $1.78M | 0.01% |
76,604
+25,915
| +51% | +$711K |
|
|
SIX
720
DELISTED
Six Flags Entertainment Corp.
SIX
| $1.78M | 0.01% |
38,280
+14,479
| +61% | +$603K |
|
721
iShares 7-10 Year Treasury Bond ETF
IEF
$47.3B
| $1.78M | 0.01% |
15,729
+3,014
| +24% | +$351K |
|
|
FFIC
722
DELISTED
Flushing Financial
FFIC
| $1.77M | 0.01% |
83,170
-2,500
| -3% | -$51.7K |
|
|
VVNT
723
DELISTED
Vivint Smart Home, Inc. Class A Common Stock
VVNT
| $1.76M | 0.01% |
122,762
-8,983
| -7% | -$163K |
|
724
iShares ESG Aware USD Corporate Bond ETF
SUSC
$1.29B
| $1.75M | 0.01% |
65,060
+11
| +0% | +$303 |
|
725
Vanguard Materials ETF
VAW
$3.05B
| $1.75M | 0.01% |
10,111
+6,748
| +201% | +$1.11M |
|
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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.