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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 | |
|---|---|---|---|---|---|---|
951
Teledyne Technologies
TDY
$31.2B
| $843K | ﹤0.01% |
2,039
-796
| -28% | -$307K |
|
952
Pinterest
PINS
$13.2B
| $839K | ﹤0.01% |
11,337
-956
| -8% | -$71.1K |
|
953
e.l.f. Beauty
ELF
$5.43B
| $834K | ﹤0.01% |
31,069
+1,900
| +7% | +$47.4K |
|
954
FTI Consulting
FCN
$4.24B
| $833K | ﹤0.01% |
5,944
+169
| +3% | +$20K |
|
955
3D Systems Corp
DDD
$601M
| $830K | ﹤0.01% |
30,266
-13,300
| -31% | -$440K |
|
956
Howard Hughes
HHH
$4.04B
| $829K | ﹤0.01% |
9,143
+431
| +5% | +$37.9K |
|
957
AES
AES
$10.5B
| $828K | ﹤0.01% |
30,872
-6,433
| -17% | -$171K |
|
958
Universal Display
OLED
$4.18B
| $825K | ﹤0.01% |
3,485
-25
| -0.7% | -$5.78K |
|
959
Invesco National AMT-Free Municipal Bond ETF
PZA
$4.27B
| $821K | ﹤0.01% |
30,671
+43
| +0.1% | +$1.16K |
|
960
Global X FinTech ETF
FINX
$173M
| $820K | ﹤0.01% |
18,584
-125
| -0.7% | -$5.88K |
|
961
iShares GSCI Commodity Dynamic Roll Strategy ETF
COMT
$1.22B
| $812K | ﹤0.01% |
27,130
+14,000
| +107% | +$410K |
|
962
Cardinal Health
CAH
$53.8B
| $810K | ﹤0.01% |
13,340
+921
| +7% | +$50.8K |
|
963
Hasbro
HAS
$13.6B
| $810K | ﹤0.01% |
8,422
+940
| +13% | +$89.2K |
|
|
FITB
964
Fifth Third Bancorp
FITB
$52.5B
| $808K | ﹤0.01% |
21,563
-187,721
| -90% | -$6.37M |
|
965
KKR & Co
KKR
$103B
| $808K | ﹤0.01% |
16,538
-3,999
| -19% | -$179K |
|
966
Trade Desk
TTD
$6.84B
| $808K | ﹤0.01% |
12,400
-11,370
| -48% | -$879K |
|
967
State Street DoubleLine Total Return Tactical ETF
TOTL
$4.01B
| $803K | ﹤0.01% |
16,664
+900
| +6% | +$44K |
|
968
Repligen
RGEN
$9.45B
| $802K | ﹤0.01% |
4,123
-2,705
| -40% | -$555K |
|
|
EFOR
969
Everforth Inc
EFOR
$1.37B
| $799K | ﹤0.01% |
8,369
-6,821
| -45% | -$630K |
|
970
Western Digital
WDC
$168B
| $798K | ﹤0.01% |
15,819
+787
| +5% | +$36.8K |
|
971
State Street SPDR S&P Regional Banking ETF
KRE
$4.67B
| $797K | ﹤0.01% |
12,008
-1,008
| -8% | -$62.9K |
|
|
SRCL
972
DELISTED
Stericycle Inc
SRCL
| $796K | ﹤0.01% |
11,784
-200
| -2% | -$13.6K |
|
973
State Street
STT
$52.2B
| $794K | ﹤0.01% |
9,454
-631
| -6% | -$48.9K |
|
974
Prospect Capital
PSEC
$1.18B
| $785K | ﹤0.01% |
102,400
+100
| +0.1% | +$691 |
|
975
State Street SPDR S&P International Small Cap ETF
GWX
$928M
| $784K | ﹤0.01% |
20,972
-305
| -1% | -$11.2K |
|
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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.