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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 | |
|---|---|---|---|---|---|---|
1001
BCE
BCE
$21.7B
| $728K | ﹤0.01% |
16,138
-1,934
| -11% | -$85.3K |
|
1002
Vanguard FTSE Pacific ETF
VPL
$8.65B
| $728K | ﹤0.01% |
8,912
+62
| +0.7% | +$5.09K |
|
1003
Vanguard Communication Services ETF
VOX
$5.88B
| $719K | ﹤0.01% |
5,533
+90
| +2% | +$11.5K |
|
1004
RBC Bearings
RBC
$17.5B
| $718K | ﹤0.01% |
3,649
+1,244
| +52% | +$234K |
|
1005
Western Alliance Bancorporation
WAL
$8.92B
| $715K | ﹤0.01% |
7,570
-239
| -3% | -$19.8K |
|
1006
HubSpot
HUBS
$12B
| $713K | ﹤0.01% |
1,569
-224
| -12% | -$98.4K |
|
|
MANT
1007
DELISTED
Mantech International Corp
MANT
| $713K | ﹤0.01% |
8,199
+1,072
| +15% | +$93.4K |
|
|
CGC
1008
Canopy Growth
CGC
$426M
| $712K | ﹤0.01% |
2,224
+64
| +3% | +$22.6K |
|
1009
iShares S&P Small-Cap 600 Value ETF
IJS
$8.43B
| $712K | ﹤0.01% |
7,072
-2,560
| -27% | -$242K |
|
1010
American International
AIG
$39.8B
| $707K | ﹤0.01% |
15,307
+1,430
| +10% | +$61.8K |
|
|
NUVA
1011
DELISTED
NuVasive, Inc.
NUVA
| $706K | ﹤0.01% |
10,764
-1,513
| -12% | -$90.8K |
|
1012
Virtu Financial
VIRT
$5.05B
| $704K | ﹤0.01% |
22,677
+2,425
| +12% | +$66.9K |
|
1013
Westlake Chemical Partners
WLKP
$764M
| $703K | ﹤0.01% |
29,250
-6,500
| -18% | -$153K |
|
|
XIFR
1014
XPLR Infrastructure LP
XIFR
$1.09B
| $701K | ﹤0.01% |
9,622
+1,245
| +15% | +$95.7K |
|
1015
NIO
NIO
$11.3B
| $700K | ﹤0.01% |
17,955
+2,508
| +16% | +$128K |
|
1016
Cracker Barrel
CBRL
$1.31B
| $699K | ﹤0.01% |
4,045
-7,508
| -65% | -$1.14M |
|
|
AMJ
1017
DELISTED
JP Morgan Alerian MLP Index ETN 5/24/24
AMJ
| $698K | ﹤0.01% |
42,054
+1,561
| +4% | +$24.8K |
|
|
LOTZ
1018
DELISTED
CarLotz, Inc. Class A Common Stock
LOTZ
| $698K | ﹤0.01% |
+97,831
| New | +$949K |
|
1019
Manitowoc
MTW
$753M
| $697K | ﹤0.01% |
33,782
-112,618
| -77% | -$1.86M |
|
1020
First Financial Corp
THFF
$975M
| $696K | ﹤0.01% |
15,454
| – | – |
|
1021
Mercury Insurance
MCY
$5.81B
| $695K | ﹤0.01% |
11,437
| – | – |
|
1022
Dell
DELL
$320B
| $691K | ﹤0.01% |
15,468
-308
| -2% | -$12.6K |
|
|
NUAN
1023
DELISTED
Nuance Communications, Inc.
NUAN
| $690K | ﹤0.01% |
15,814
-23,537
| -60% | -$1.08M |
|
|
HRC
1024
DELISTED
HILL-ROM HOLDINGS, INC.
HRC
| $686K | ﹤0.01% |
6,212
-8
| -0.1% | -$834 |
|
1025
Fortune Brands Innovations
FBIN
$5.78B
| $685K | ﹤0.01% |
8,363
+334
| +4% | +$25.3K |
|
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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.