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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 | |
|---|---|---|---|---|---|---|
1251
Golub Capital BDC
GBDC
$3.47B
| $367K | ﹤0.01% |
25,075
+4,444
| +22% | +$65.3K |
|
1252
Algonquin Power & Utilities
AQN
$4.44B
| $364K | ﹤0.01% |
23,007
+2,151
| +10% | +$35.5K |
|
1253
MPLX
MPLX
$60.6B
| $364K | ﹤0.01% |
14,196
+97
| +0.7% | +$2.38K |
|
1254
Stem
STEM
$55.4M
| $363K | ﹤0.01% |
683
-27
| -4% | -$17.3K |
|
|
LGTY
1255
DELISTED
Logility Supply Chain Solutions, Inc. Common Stock
LGTY
| $362K | ﹤0.01% |
17,471
+2,340
| +15% | +$46.8K |
|
|
AEF
1256
abrdn Emerging Markets Equity Income Fund
AEF
$384M
| $359K | ﹤0.01% |
41,473
+653
| +2% | +$5.67K |
|
1257
Goldman Sachs Access Investment Grade Corporate Bond ETF
GIGB
$974M
| $359K | ﹤0.01% |
+6,719
| New | +$366K |
|
|
TCS
1258
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
| $359K | ﹤0.01% |
1,440
-13
| -0.9% | -$2.9K |
|
1259
WisdomTree Japan Hedged Equity Fund
DXJ
$7.56B
| $358K | ﹤0.01% |
5,835
| – | – |
|
1260
Pegasystems
PEGA
$5.23B
| $357K | ﹤0.01% |
+6,236
| New | +$408K |
|
1261
ProShares Short S&P500
SH
$839M
| $352K | ﹤0.01% |
5,251
-2,541
| -33% | -$176K |
|
1262
Silicon Laboratories
SLAB
$7.29B
| $351K | ﹤0.01% |
2,490
-435
| -15% | -$62.4K |
|
1263
Health Catalyst
HCAT
$134M
| $350K | ﹤0.01% |
7,484
-7,500
| -50% | -$363K |
|
1264
Occidental Petroleum
OXY
$57.6B
| $350K | ﹤0.01% |
13,156
+1,919
| +17% | +$48K |
|
1265
National Beverage
FIZZ
$2.93B
| $348K | ﹤0.01% |
7,122
+854
| +14% | +$44.4K |
|
1266
PIMCO Active Bond Exchange-Traded Fund
BOND
$8.5B
| $347K | ﹤0.01% |
3,167
+388
| +14% | +$43.2K |
|
1267
Ameren
AEE
$30.3B
| $346K | ﹤0.01% |
4,247
-3
| -0.1% | -$225 |
|
1268
PVH
PVH
$3.76B
| $346K | ﹤0.01% |
3,269
| – | – |
|
1269
Insmed
INSM
$27.8B
| $345K | ﹤0.01% |
10,118
-394
| -4% | -$15.1K |
|
1270
Jefferies Financial Group
JEF
$12.7B
| $345K | ﹤0.01% |
+11,986
| New | +$327K |
|
1271
Darling Ingredients
DAR
$10.2B
| $343K | ﹤0.01% |
4,655
-104
| -2% | -$7.15K |
|
1272
Sea Limited
SE
$75B
| $343K | ﹤0.01% |
1,536
+345
| +29% | +$80.1K |
|
1273
Bloom Energy
BE
$71.5B
| $341K | ﹤0.01% |
12,616
-3,800
| -23% | -$124K |
|
1274
FMC
FMC
$1.25B
| $341K | ﹤0.01% |
3,082
+27
| +0.9% | +$2.99K |
|
1275
National Bank Holdings
NBHC
$1.94B
| $341K | ﹤0.01% |
8,592
| – | – |
|
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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.