We are live on
!
Find out more
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 | |
|---|---|---|---|---|---|---|
526
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.5B
| $3.62M | 0.01% |
43,064
-3,300
| -7% | -$275K |
|
527
Cognex
CGNX
$10.4B
| $3.61M | 0.01% |
43,495
+17,087
| +65% | +$1.42M |
|
528
Veracyte
VCYT
$3.49B
| $3.6M | 0.01% |
66,943
+26,865
| +67% | +$1.55M |
|
529
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.75B
| $3.56M | 0.01% |
42,647
+1,913
| +5% | +$165K |
|
530
Etsy
ETSY
$7.33B
| $3.55M | 0.01% |
17,597
-7,970
| -31% | -$1.67M |
|
|
LHCG
531
DELISTED
LHC Group LLC
LHCG
| $3.55M | 0.01% |
18,544
+6,123
| +49% | +$1.23M |
|
532
Analog Devices
ADI
$188B
| $3.54M | 0.01% |
22,835
-2,340
| -9% | -$360K |
|
533
BioMarin Pharmaceuticals
BMRN
$13.4B
| $3.54M | 0.01% |
46,865
-19,669
| -30% | -$1.61M |
|
534
Invesco Dorsey Wright Momentum ETF
PDP
$1.54B
| $3.53M | 0.01% |
41,495
-2,865
| -6% | -$251K |
|
535
Pinnacle Financial Partners Inc
PNFP
$16.3B
| $3.53M | 0.01% |
+39,804
| New | +$3.15M |
|
536
iShares Biotechnology ETF
IBB
$9.82B
| $3.52M | 0.01% |
23,364
+756
| +3% | +$120K |
|
537
T-Mobile US
TMUS
$194B
| $3.51M | 0.01% |
28,045
-4,652
| -14% | -$586K |
|
538
Invesco KBW Bank ETF
KBWB
$6.84B
| $3.5M | 0.01% |
56,635
+9,365
| +20% | +$539K |
|
539
Yum! Brands
YUM
$41.4B
| $3.47M | 0.01% |
32,055
-536
| -2% | -$56.7K |
|
540
Zimmer Biomet
ZBH
$18.7B
| $3.43M | 0.01% |
22,075
-662
| -3% | -$103K |
|
541
Appian
APPN
$2.45B
| $3.43M | 0.01% |
25,791
+117
| +0.5% | +$20.7K |
|
542
American Electric Power
AEP
$68.2B
| $3.41M | 0.01% |
40,257
-1,476
| -4% | -$119K |
|
543
Vontier
VNT
$4.44B
| $3.4M | 0.01% |
112,339
-47,811
| -30% | -$1.56M |
|
544
Mercado Libre
MELI
$93B
| $3.38M | 0.01% |
2,293
-15
| -0.6% | -$25.5K |
|
545
iShares Global Clean Energy ETF
ICLN
$2.12B
| $3.32M | 0.01% |
136,500
+30,713
| +29% | +$859K |
|
546
Kraft Heinz
KHC
$29.7B
| $3.32M | 0.01% |
82,888
+4,405
| +6% | +$159K |
|
547
Campbell Soup
CPB
$6.92B
| $3.31M | 0.01% |
65,917
+14,207
| +27% | +$677K |
|
548
Veru
VERU
$45.5M
| $3.29M | 0.01% |
30,493
+500
| +2% | +$63K |
|
|
AXON
549
Axon Enterprise
AXON
$49B
| $3.27M | 0.01% |
18,525
+5,838
| +46% | +$910K |
|
550
Blue Bird Corp
BLBD
$2.07B
| $3.26M | 0.01% |
130,285
| – | – |
|
Similar funds
HF
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.