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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 | |
|---|---|---|---|---|---|---|
|
ALXN
1351
DELISTED
Alexion Pharmaceuticals
ALXN
| $278K | ﹤0.01% |
1,817
+74
| +4% | +$11.4K |
|
|
LTC
1352
LTC Properties
LTC
$2.12B
| $276K | ﹤0.01% |
6,610
| – | – |
|
1353
Toro Company
TTC
$9.27B
| $276K | ﹤0.01% |
+2,678
| New | +$268K |
|
|
KDNY
1354
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
| $276K | ﹤0.01% |
+17,750
| New | +$289K |
|
|
MTTR
1355
DELISTED
Matterport, Inc. Class A Common Stock
MTTR
| $275K | ﹤0.01% |
+20,100
| New | +$320K |
|
1356
First American
FAF
$7.43B
| $273K | ﹤0.01% |
4,815
-115
| -2% | -$6.28K |
|
1357
Vanguard Total World Stock ETF
VT
$81.7B
| $273K | ﹤0.01% |
2,809
+320
| +13% | +$30.8K |
|
1358
KraneShares CSI China Internet ETF
KWEB
$5.32B
| $272K | ﹤0.01% |
3,561
-140
| -4% | -$12.3K |
|
1359
Norwegian Cruise Line
NCLH
$8.84B
| $272K | ﹤0.01% |
9,873
-1,340
| -12% | -$35.7K |
|
1360
iShares Intermediate Government/Credit Bond ETF
GVI
$3.8B
| $271K | ﹤0.01% |
2,362
-120
| -5% | -$14K |
|
1361
Celsius Holdings
CELH
$7.11B
| $270K | ﹤0.01% |
+16,830
| New | +$316K |
|
1362
iShares US Treasury Bond ETF
GOVT
$43.8B
| $270K | ﹤0.01% |
10,320
-9,247
| -47% | -$247K |
|
1363
Simply Good Foods
SMPL
$973M
| $270K | ﹤0.01% |
8,886
-658
| -7% | -$19.6K |
|
1364
AGCO
AGCO
$7B
| $269K | ﹤0.01% |
+1,872
| New | +$233K |
|
1365
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.7B
| $267K | ﹤0.01% |
5,003
-7
| -0.1% | -$377 |
|
1366
CMS Energy
CMS
$22.1B
| $266K | ﹤0.01% |
4,353
-1,049
| -19% | -$60.3K |
|
1367
Gentex
GNTX
$4.96B
| $266K | ﹤0.01% |
7,467
+385
| +5% | +$13.7K |
|
1368
Textron
TXT
$15B
| $266K | ﹤0.01% |
+4,751
| New | +$241K |
|
1369
Actinium Pharmaceuticals
ATNM
$28.2M
| $265K | ﹤0.01% |
+34,766
| New | +$295K |
|
1370
Enerpac Tool Group
EPAC
$1.89B
| $265K | ﹤0.01% |
10,160
| – | – |
|
1371
Beam Therapeutics
BEAM
$2.76B
| $264K | ﹤0.01% |
3,300
-450
| -12% | -$42.8K |
|
|
ARAV
1372
DELISTED
Aravive, Inc. Common Stock
ARAV
| $264K | ﹤0.01% |
40,000
+4,000
| +11% | +$26.3K |
|
1373
Cinemark Holdings
CNK
$4.35B
| $263K | ﹤0.01% |
12,862
+575
| +5% | +$12.1K |
|
1374
JD.com
JD
$39B
| $263K | ﹤0.01% |
3,119
+274
| +10% | +$25.1K |
|
1375
Essential Utilities
WTRG
$11.5B
| $263K | ﹤0.01% |
5,887
-774
| -12% | -$34.9K |
|
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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.