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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 | |
|---|---|---|---|---|---|---|
376
JB Hunt Transport Services
JBHT
$25.9B
| $7.36M | 0.03% |
43,760
-1,951
| -4% | -$294K |
|
377
Brookfield
BN
$110B
| $7.35M | 0.03% |
240,286
+32,818
| +16% | +$732K |
|
|
ONEM
378
DELISTED
1Life Healthcare
ONEM
| $7.26M | 0.03% |
185,834
-6,675
| -3% | -$313K |
|
379
Valmont Industries
VMI
$9.52B
| $7.22M | 0.03% |
30,368
+10,431
| +52% | +$2.31M |
|
380
Regions Financial
RF
$26.9B
| $7.2M | 0.03% |
348,646
+536
| +0.2% | +$10.5K |
|
381
State Street Communication Services Select Sector SPDR ETF
XLC
$22.3B
| $7.16M | 0.03% |
97,611
+28,907
| +42% | +$2.06M |
|
382
Waste Management
WM
$90.5B
| $7.15M | 0.03% |
55,439
+606
| +1% | +$70.8K |
|
|
AXDX
383
DELISTED
Accelerate Diagnostics
AXDX
| $7.11M | 0.03% |
85,423
+58,972
| +223% | +$5.98M |
|
384
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.8B
| $7.11M | 0.03% |
226,921
+7,184
| +3% | +$225K |
|
385
General Mills
GIS
$20.4B
| $7.08M | 0.03% |
115,496
+8,653
| +8% | +$499K |
|
386
Take-Two Interactive
TTWO
$45.4B
| $7.07M | 0.03% |
40,003
+2,343
| +6% | +$444K |
|
387
Beyond Meat
BYND
$214M
| $7.06M | 0.03% |
54,239
+2,347
| +5% | +$345K |
|
388
BWX Technologies
BWXT
$15.8B
| $7.04M | 0.03% |
106,845
-18,516
| -15% | -$1.11M |
|
389
DuPont de Nemours
DD
$19.5B
| $7.03M | 0.03% |
72,441
-2,815
| -4% | -$270K |
|
|
DFS
390
DELISTED
Discover Financial Services
DFS
| $7.01M | 0.03% |
73,826
-16,096
| -18% | -$1.52M |
|
391
Alta Equipment Group
ALTG
$254M
| $7.01M | 0.03% |
539,343
| – | – |
|
392
Healthcare Services Group
HCSG
$1.43B
| $6.99M | 0.03% |
249,233
+12,510
| +5% | +$378K |
|
393
Canadian National Railway
CNI
$76.4B
| $6.96M | 0.03% |
59,991
-1,486
| -2% | -$165K |
|
394
Broadridge
BR
$19.3B
| $6.88M | 0.03% |
44,948
+11,120
| +33% | +$1.64M |
|
395
General Motors
GM
$76.1B
| $6.81M | 0.03% |
118,566
+26,536
| +29% | +$1.41M |
|
396
Chubb
CB
$132B
| $6.81M | 0.03% |
43,101
-2,724
| -6% | -$439K |
|
397
PRA Group
PRAA
$737M
| $6.8M | 0.03% |
183,524
+2,159
| +1% | +$78.5K |
|
398
Cboe Global Markets
CBOE
$30.4B
| $6.75M | 0.03% |
68,446
-2,608
| -4% | -$255K |
|
399
Wabtec
WAB
$49.9B
| $6.71M | 0.03% |
84,784
+50,091
| +144% | +$3.89M |
|
400
iShares MSCI USA Min Vol Factor ETF
USMV
$24.4B
| $6.71M | 0.03% |
96,961
-38,302
| -28% | -$2.59M |
|
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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.