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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 | |
|---|---|---|---|---|---|---|
901
Cameco
CCJ
$42.6B
| $979K | ﹤0.01% |
58,950
-5,740
| -9% | -$88.2K |
|
902
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.18B
| $978K | ﹤0.01% |
18,940
+14,550
| +331% | +$757K |
|
|
TWO
903
Two Harbors Investment
TWO
$1.26B
| $977K | ﹤0.01% |
33,306
-1,886
| -5% | -$51.7K |
|
904
Brown-Forman Class B
BF.B
$12.9B
| $974K | ﹤0.01% |
14,125
-897
| -6% | -$65.7K |
|
905
Viking Therapeutics
VKTX
$3.84B
| $972K | ﹤0.01% |
153,736
+6,910
| +5% | +$48.6K |
|
906
Revvity
RVTY
$13.1B
| $964K | ﹤0.01% |
7,513
+313
| +4% | +$43.4K |
|
907
Viasat
VSAT
$11.4B
| $963K | ﹤0.01% |
20,029
+4,350
| +28% | +$211K |
|
908
Q2 Holdings
QTWO
$4.13B
| $959K | ﹤0.01% |
9,572
+3,067
| +47% | +$381K |
|
909
Bloomin' Brands
BLMN
$924M
| $955K | ﹤0.01% |
35,319
-1,499
| -4% | -$36.3K |
|
910
Ares Management
ARES
$33.7B
| $954K | ﹤0.01% |
17,019
-1,017
| -6% | -$51.2K |
|
911
SS&C Technologies
SSNC
$19.3B
| $954K | ﹤0.01% |
13,655
-560
| -4% | -$37.8K |
|
912
State Street Materials Select Sector SPDR ETF
XLB
$8.57B
| $954K | ﹤0.01% |
24,222
+630
| +3% | +$23.8K |
|
913
iShares MSCI EAFE Value ETF
EFV
$30.1B
| $953K | ﹤0.01% |
18,699
-423
| -2% | -$21K |
|
914
iShares Russell Top 200 Growth ETF
IWY
$16.7B
| $953K | ﹤0.01% |
7,082
| – | – |
|
915
Skyworks Solutions
SWKS
$10.5B
| $953K | ﹤0.01% |
5,192
-128
| -2% | -$22.2K |
|
916
Vanguard ESG US Stock ETF
ESGV
$13.7B
| $952K | ﹤0.01% |
12,905
+1,291
| +11% | +$93.5K |
|
917
Oshkosh
OSK
$9.41B
| $943K | ﹤0.01% |
7,951
-155
| -2% | -$16.1K |
|
|
FRC
918
DELISTED
First Republic Bank
FRC
| $936K | ﹤0.01% |
5,612
+305
| +6% | +$49.4K |
|
919
Factset
FDS
$10.2B
| $926K | ﹤0.01% |
3,002
+360
| +14% | +$114K |
|
920
Pan American Silver
PAAS
$19.9B
| $919K | ﹤0.01% |
30,589
-10,142
| -25% | -$329K |
|
921
Schwab US Large-Cap Growth ETF
SCHG
$63.2B
| $919K | ﹤0.01% |
56,656
-440
| -0.8% | -$7.16K |
|
922
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.48B
| $919K | ﹤0.01% |
18,550
-60
| -0.3% | -$2.98K |
|
|
SUNS
923
DELISTED
SLR Senior Investment Corp. Common Stock
SUNS
| $917K | ﹤0.01% |
62,364
+4,000
| +7% | +$60K |
|
924
iShares Core MSCI Total International Stock ETF
IXUS
$60.8B
| $916K | ﹤0.01% |
13,030
-3,261
| -20% | -$229K |
|
925
Realty Income
O
$59.6B
| $911K | ﹤0.01% |
14,803
-1,332
| -8% | -$78.9K |
|
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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.