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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 | |
|---|---|---|---|---|---|---|
576
Clarivate
CLVT
$1.22B
| $2.98M | 0.01% |
112,768
+10,452
| +10% | +$286K |
|
577
Cummins
CMI
$87.6B
| $2.94M | 0.01% |
11,359
-566
| -5% | -$141K |
|
|
ACCD
578
DELISTED
Accolade Inc
ACCD
| $2.94M | 0.01% |
64,854
+38,397
| +145% | +$1.85M |
|
579
PPG Industries
PPG
$25.5B
| $2.92M | 0.01% |
19,413
-75
| -0.4% | -$10.7K |
|
580
iShares ESG Aware MSCI USA ETF
ESGU
$18.4B
| $2.91M | 0.01% |
32,034
+1,552
| +5% | +$138K |
|
581
Equity Lifestyle Properties
ELS
$12.6B
| $2.9M | 0.01% |
45,626
+42,312
| +1,277% | +$2.63M |
|
582
Biogen
BIIB
$31.1B
| $2.89M | 0.01% |
10,316
+344
| +3% | +$92.8K |
|
583
Yum China
YUMC
$16.2B
| $2.87M | 0.01% |
48,531
+1,224
| +3% | +$73.1K |
|
584
Sempra
SRE
$56.4B
| $2.87M | 0.01% |
43,220
-2,480
| -5% | -$154K |
|
585
iShares Preferred and Income Securities ETF
PFF
$13.3B
| $2.86M | 0.01% |
74,498
-22,175
| -23% | -$841K |
|
586
Affiliated Managers Group
AMG
$9.65B
| $2.85M | 0.01% |
19,155
-38
| -0.2% | -$4.97K |
|
587
Republic Services
RSG
$66B
| $2.8M | 0.01% |
28,205
-1,371
| -5% | -$129K |
|
588
Chegg
CHGG
$87M
| $2.79M | 0.01% |
32,615
-3,192
| -9% | -$304K |
|
589
Starwood Property Trust
STWD
$6.07B
| $2.78M | 0.01% |
112,359
+6,657
| +6% | +$144K |
|
590
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.46B
| $2.78M | 0.01% |
38,077
-1,608
| -4% | -$118K |
|
591
Prudential Financial
PRU
$42.9B
| $2.77M | 0.01% |
30,462
+1,048
| +4% | +$89.7K |
|
592
C.H. Robinson
CHRW
$17.6B
| $2.76M | 0.01% |
28,950
-1,428
| -5% | -$133K |
|
593
PNC Financial Services
PNC
$102B
| $2.72M | 0.01% |
15,509
-937
| -6% | -$155K |
|
594
Guardant Health
GH
$21.6B
| $2.72M | 0.01% |
17,809
+2,869
| +19% | +$434K |
|
|
GRUB
595
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
| $2.72M | 0.01% |
22,635
-213
| -0.9% | -$29.6K |
|
596
Driven Brands
DRVN
$2.1B
| $2.7M | 0.01% |
+106,150
| New | +$3.01M |
|
597
Penumbra
PEN
$12.9B
| $2.7M | 0.01% |
9,971
-2,416
| -20% | -$624K |
|
|
TRIL
598
DELISTED
Trillium Therapeutics Inc.
TRIL
| $2.7M | 0.01% |
251,054
-40,133
| -14% | -$496K |
|
|
K
599
DELISTED
Kellanova
K
| $2.69M | 0.01% |
45,299
+8,875
| +24% | +$496K |
|
600
Vodafone
VOD
$37.4B
| $2.65M | 0.01% |
143,527
+18,072
| +14% | +$327K |
|
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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.