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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 | |
|---|---|---|---|---|---|---|
201
Target
TGT
$69.9B
| $23.5M | 0.09% |
118,786
-710
| -0.6% | -$133K |
|
202
Goldman Sachs
GS
$302B
| $23.4M | 0.09% |
71,698
-24,751
| -26% | -$7.71M |
|
203
iShares Russell 1000 ETF
IWB
$50.2B
| $23.4M | 0.09% |
104,675
-5,308
| -5% | -$1.16M |
|
|
RDFN
204
DELISTED
Redfin
RDFN
| $23.4M | 0.09% |
351,765
-1,462
| -0.4% | -$112K |
|
|
SMAR
205
DELISTED
Smartsheet Inc.
SMAR
| $23.4M | 0.09% |
366,072
+14,152
| +4% | +$990K |
|
206
HEICO Corp
HEI
$52.1B
| $23.2M | 0.09% |
184,699
-2,730
| -1% | -$351K |
|
207
Fidelity National Information Services
FIS
$21.6B
| $23M | 0.09% |
163,773
-8,331
| -5% | -$1.14M |
|
208
Shake Shack
SHAK
$2.94B
| $22.9M | 0.09% |
203,104
-15,577
| -7% | -$1.78M |
|
209
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.2B
| $22.8M | 0.09% |
69,061
+3,953
| +6% | +$1.25M |
|
|
DVAX
210
DELISTED
Dynavax Technologies
DVAX
| $22.2M | 0.08% |
2,263,295
+79,842
| +4% | +$658K |
|
|
THS
211
DELISTED
Treehouse Foods
THS
| $22.1M | 0.08% |
422,082
+228,917
| +119% | +$10.8M |
|
212
Ulta Beauty
ULTA
$22.9B
| $21.9M | 0.08% |
70,961
+15,153
| +27% | +$4.71M |
|
213
Encompass Health
EHC
$12.3B
| $21.8M | 0.08% |
334,765
-1,045
| -0.3% | -$68.2K |
|
214
iShares ESG Aware MSCI EAFE ETF
ESGD
$12.3B
| $21.8M | 0.08% |
287,266
+2,996
| +1% | +$226K |
|
215
Chipotle Mexican Grill
CMG
$41.3B
| $21.6M | 0.08% |
761,700
+75,250
| +11% | +$2.18M |
|
216
Planet Fitness
PLNT
$3.65B
| $21.2M | 0.08% |
274,639
+124
| +0% | +$9.84K |
|
217
Peloton Interactive
PTON
$2.38B
| $20.9M | 0.08% |
186,324
+6,175
| +3% | +$819K |
|
218
BILL Holdings
BILL
$4.85B
| $20.5M | 0.08% |
141,044
-18,305
| -11% | -$2.74M |
|
219
Air Products & Chemicals
APD
$67.7B
| $20.3M | 0.08% |
72,301
-943
| -1% | -$256K |
|
220
Amgen
AMGN
$225B
| $19.9M | 0.08% |
79,893
-30,763
| -28% | -$7.34M |
|
221
Booz Allen Hamilton
BAH
$9.43B
| $19.9M | 0.07% |
246,666
-1,716
| -0.7% | -$144K |
|
222
iShares Russell 1000 Growth ETF
IWF
$128B
| $19.8M | 0.07% |
325,568
-15,240
| -4% | -$928K |
|
223
GoDaddy
GDDY
$11.6B
| $19.6M | 0.07% |
252,224
+73,226
| +41% | +$5.89M |
|
224
RTX Corp
RTX
$300B
| $19.4M | 0.07% |
251,483
-6,509
| -3% | -$475K |
|
225
Vanguard Real Estate ETF
VNQ
$38.6B
| $18.3M | 0.07% |
199,214
-12,714
| -6% | -$1.12M |
|
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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.