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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 | |
|---|---|---|---|---|---|---|
1051
Upland Software
UPLD
$17.9M
| $623K | ﹤0.01% |
1,320
+494
| +60% | +$238K |
|
1052
State Street SPDR Dow Jones International Real Estate ETF
RWX
$267M
| $619K | ﹤0.01% |
17,980
| – | – |
|
1053
Inseego
INSG
$77.7M
| $615K | ﹤0.01% |
6,150
+450
| +8% | +$65.6K |
|
|
XENT
1054
DELISTED
Intersect ENT, Inc
XENT
| $615K | ﹤0.01% |
29,464
-564
| -2% | -$13K |
|
1055
New Fortress Energy
NFE
$93M
| $614K | ﹤0.01% |
13,375
+5,343
| +67% | +$262K |
|
1056
iShares Floating Rate Bond ETF
FLOT
$10.5B
| $611K | ﹤0.01% |
12,023
+5,549
| +86% | +$282K |
|
1057
Ingersoll Rand
IR
$32.7B
| $606K | ﹤0.01% |
12,313
-991
| -7% | -$45.9K |
|
1058
iShares US Real Estate ETF
IYR
$4.58B
| $606K | ﹤0.01% |
6,588
-1,599
| -20% | -$140K |
|
1059
Host Hotels & Resorts
HST
$15.6B
| $600K | ﹤0.01% |
35,632
+707
| +2% | +$11K |
|
1060
Lincoln National
LNC
$8.67B
| $598K | ﹤0.01% |
9,598
-9
| -0.1% | -$497 |
|
1061
Entegris
ENTG
$25B
| $594K | ﹤0.01% |
5,315
-269
| -5% | -$27.7K |
|
|
COHR
1062
DELISTED
Coherent Inc
COHR
| $592K | ﹤0.01% |
2,340
+240
| +11% | +$53.3K |
|
1063
NiSource
NI
$20.2B
| $589K | ﹤0.01% |
24,438
-1,062
| -4% | -$23.9K |
|
1064
MGE Energy Inc
MGEE
$3.06B
| $588K | ﹤0.01% |
8,238
| – | – |
|
|
MASI
1065
DELISTED
Masimo
MASI
| $587K | ﹤0.01% |
2,558
-133
| -5% | -$33.4K |
|
1066
Evergy
EVRG
$19.3B
| $583K | ﹤0.01% |
9,785
+975
| +11% | +$54K |
|
|
THW
1067
abrdn World Healthcare Fund
THW
$560M
| $583K | ﹤0.01% |
38,681
| – | – |
|
1068
Hewlett Packard
HPE
$79.2B
| $582K | ﹤0.01% |
36,968
-203
| -0.5% | -$2.81K |
|
1069
Gildan
GIL
$10.6B
| $577K | ﹤0.01% |
18,810
+3,855
| +26% | +$110K |
|
1070
Sony
SONY
$138B
| $577K | ﹤0.01% |
27,190
-5,370
| -16% | -$113K |
|
1071
Magna International
MGA
$18.7B
| $575K | ﹤0.01% |
6,535
+1,977
| +43% | +$160K |
|
1072
Hamilton Lane
HLNE
$5.91B
| $574K | ﹤0.01% |
6,478
+2,363
| +57% | +$200K |
|
1073
Public Service Enterprise Group
PEG
$37.8B
| $572K | ﹤0.01% |
9,503
-372
| -4% | -$21.5K |
|
1074
Vanguard Consumer Discretionary ETF
VCR
$6.11B
| $568K | ﹤0.01% |
1,925
+325
| +20% | +$94.3K |
|
1075
Goldman Sachs Access Inflation Protected USD Bond ETF
GTIP
$296M
| $567K | ﹤0.01% |
10,014
-3,993
| -29% | -$228K |
|
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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.