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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 | |
|---|---|---|---|---|---|---|
676
Consolidated Edison
ED
$40.1B
| $2.07M | 0.01% |
27,661
-1,259
| -4% | -$88.6K |
|
677
State Street SPDR S&P Kensho Intelligent Structures ETF
SIMS
$8.69M
| $2.07M | 0.01% |
45,534
+23,786
| +109% | +$1.07M |
|
678
iShares Semiconductor ETF
SOXX
$46.6B
| $2.06M | 0.01% |
14,580
+10,008
| +219% | +$1.37M |
|
679
Alexandria Real Estate Equities
ARE
$8.34B
| $2.05M | 0.01% |
12,486
+504
| +4% | +$84K |
|
680
iShares MSCI Japan ETF
EWJ
$23.2B
| $2.05M | 0.01% |
29,933
+8,629
| +41% | +$598K |
|
681
Kohl's
KSS
$2.21B
| $2.05M | 0.01% |
34,415
-4,254
| -11% | -$218K |
|
682
State Street SPDR S&P Bank ETF
KBE
$1.75B
| $2.04M | 0.01% |
39,349
+39,199
| +26,133% | +$1.91M |
|
683
CF Industries
CF
$17.6B
| $2.03M | 0.01% |
44,805
-4,777
| -10% | -$216K |
|
684
Invesco S&P 500 Low Volatility ETF
SPLV
$7.22B
| $2.03M | 0.01% |
34,890
-12,938
| -27% | -$728K |
|
685
Highwoods Properties
HIW
$3.5B
| $2.03M | 0.01% |
47,230
+8,719
| +23% | +$356K |
|
686
Vanguard Health Care ETF
VHT
$19B
| $2.03M | 0.01% |
8,860
+323
| +4% | +$74.1K |
|
687
Qorvo
QRVO
$8.7B
| $2.02M | 0.01% |
11,035
-1,167
| -10% | -$205K |
|
688
Synopsys
SNPS
$79.1B
| $2.01M | 0.01% |
8,111
+190
| +2% | +$48.3K |
|
689
iShares ESG Optimized MSCI USA ETF
SUSA
$4.21B
| $2.01M | 0.01% |
22,856
+240
| +1% | +$20.5K |
|
690
Phillips 66
PSX
$92.3B
| $2M | 0.01% |
24,576
+906
| +4% | +$71.1K |
|
691
iShares MSCI ACWI ETF
ACWI
$33.6B
| $1.99M | 0.01% |
20,957
+685
| +3% | +$64.4K |
|
|
CDK
692
DELISTED
CDK Global, Inc.
CDK
| $1.99M | 0.01% |
36,790
-56
| -0.2% | -$2.9K |
|
693
Huntington Bancshares
HBAN
$36B
| $1.98M | 0.01% |
125,810
+5,045
| +4% | +$75.6K |
|
694
Manulife Financial
MFC
$72.8B
| $1.97M | 0.01% |
91,677
+15,259
| +20% | +$304K |
|
695
Genuine Parts
GPC
$18.7B
| $1.96M | 0.01% |
16,989
+241
| +1% | +$25.7K |
|
696
Leggett & Platt
LEG
$1.33B
| $1.96M | 0.01% |
42,838
-670
| -2% | -$29.8K |
|
697
eBay
EBAY
$46.5B
| $1.95M | 0.01% |
31,850
-3,632
| -10% | -$211K |
|
698
Gogo Inc
GOGO
$381M
| $1.94M | 0.01% |
201,257
+12,772
| +7% | +$152K |
|
699
Advance Auto Parts
AAP
$3.48B
| $1.93M | 0.01% |
10,497
+599
| +6% | +$100K |
|
700
iShares 20+ Year Treasury Bond ETF
TLT
$40.8B
| $1.93M | 0.01% |
14,213
-592
| -4% | -$85.8K |
|
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.