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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 | |
|---|---|---|---|---|---|---|
276
Broadcom
AVGO
$1.98T
| $12.9M | 0.05% |
277,340
+64,390
| +30% | +$2.98M |
|
277
Diageo
DEO
$52.2B
| $12.8M | 0.05% |
78,157
-2,858
| -4% | -$468K |
|
278
State Street SPDR S&P Biotech ETF
XBI
$10.5B
| $12.8M | 0.05% |
94,155
-157,590
| -63% | -$23.6M |
|
279
Vail Resorts
MTN
$5.29B
| $12.7M | 0.05% |
43,431
-3,639
| -8% | -$1.06M |
|
280
Vanguard Morningstar Mid-Cap Value ETF
VOE
$24.4B
| $12.5M | 0.05% |
92,606
+10,592
| +13% | +$1.36M |
|
281
iShares Gold Trust
IAU
$65.4B
| $12.5M | 0.05% |
383,649
+39,907
| +12% | +$1.36M |
|
282
Vulcan Materials
VMC
$36.3B
| $12.3M | 0.05% |
72,975
+4,691
| +7% | +$761K |
|
|
EVBG
283
DELISTED
Everbridge, Inc. Common Stock
EVBG
| $12.3M | 0.05% |
101,290
+3,964
| +4% | +$557K |
|
|
SGEN
284
DELISTED
Seagen Inc. Common Stock
SGEN
| $12.2M | 0.05% |
88,178
-3,361
| -4% | -$542K |
|
285
Tactile Systems Technology
TCMD
$555M
| $12.2M | 0.05% |
223,607
-9,295
| -4% | -$498K |
|
|
RP
286
DELISTED
RealPage, Inc.
RP
| $12.1M | 0.05% |
138,441
+17,917
| +15% | +$1.56M |
|
287
Mondelez International
MDLZ
$79.4B
| $12M | 0.05% |
204,368
-5,131
| -2% | -$290K |
|
288
Unifirst Corp
UNF
$5.24B
| $11.9M | 0.04% |
53,109
+401
| +0.8% | +$92.3K |
|
289
US Bancorp
USB
$101B
| $11.9M | 0.04% |
214,671
-8,082
| -4% | -$404K |
|
290
Dow Inc
DOW
$22.1B
| $11.8M | 0.04% |
184,595
+2,902
| +2% | +$174K |
|
291
Roper Technologies
ROP
$39.1B
| $11.6M | 0.04% |
28,828
+145
| +0.5% | +$58.2K |
|
292
S&P Global
SPGI
$121B
| $11.6M | 0.04% |
32,849
+19,357
| +143% | +$6.44M |
|
293
Globant
GLOB
$1.67B
| $11.6M | 0.04% |
55,801
-15,853
| -22% | -$3.37M |
|
294
Adaptive Biotechnologies
ADPT
$4.02B
| $11.6M | 0.04% |
287,183
-159,770
| -36% | -$8.65M |
|
295
Duke Energy
DUK
$96.3B
| $11.5M | 0.04% |
119,404
-2,677
| -2% | -$244K |
|
296
Sherwin-Williams
SHW
$87.4B
| $11.5M | 0.04% |
46,776
-579
| -1% | -$138K |
|
297
State Street SPDR Portfolio Intermediate Term Treasury ETF
SPTI
$10.6B
| $11.5M | 0.04% |
357,881
-79,192
| -18% | -$2.58M |
|
298
Dynatrace
DT
$14.3B
| $11.5M | 0.04% |
237,573
+24,742
| +12% | +$1.2M |
|
299
Archer Daniels Midland
ADM
$38.4B
| $11.4M | 0.04% |
200,098
+102,110
| +104% | +$5.6M |
|
300
Invesco S&P 500 Equal Weight ETF
RSP
$99.5B
| $11.4M | 0.04% |
80,451
+15,729
| +24% | +$2.12M |
|
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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.