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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 | |
|---|---|---|---|---|---|---|
401
TE Connectivity
TEL
$62B
| $6.69M | 0.03% |
51,800
-3,324
| -6% | -$427K |
|
402
iShares Russell Mid-Cap Growth ETF
IWP
$21B
| $6.65M | 0.03% |
65,191
-3,553
| -5% | -$371K |
|
|
BFX
403
DELISTED
BowFlex Inc.
BFX
| $6.54M | 0.02% |
418,107
+132,215
| +46% | +$2.84M |
|
404
Best Buy
BBY
$17.5B
| $6.51M | 0.02% |
56,710
+12,180
| +27% | +$1.36M |
|
405
International Flavors & Fragrances
IFF
$21.4B
| $6.43M | 0.02% |
46,067
+37,799
| +457% | +$4.89M |
|
|
NVRO
406
DELISTED
NEVRO CORP.
NVRO
| $6.43M | 0.02% |
46,074
+1,716
| +4% | +$280K |
|
407
Eaton
ETN
$179B
| $6.28M | 0.02% |
45,402
+134
| +0.3% | +$17.3K |
|
408
Fastly Inc
FSLY
$4.54B
| $6.24M | 0.02% |
92,803
+8,206
| +10% | +$705K |
|
409
Corpay
CPAY
$26.9B
| $6.2M | 0.02% |
23,086
-2,276
| -9% | -$618K |
|
410
Inogen
INGN
$154M
| $6.19M | 0.02% |
117,843
+3,825
| +3% | +$191K |
|
411
Church & Dwight Co
CHD
$24B
| $6.15M | 0.02% |
70,393
+2,549
| +4% | +$213K |
|
412
Booking.com
BKNG
$159B
| $6.12M | 0.02% |
65,650
-37,575
| -36% | -$3.34M |
|
413
VanEck Semiconductor ETF
SMH
$72B
| $6.09M | 0.02% |
49,984
+3,596
| +8% | +$426K |
|
|
PRFT
414
DELISTED
Perficient Inc
PRFT
| $6.08M | 0.02% |
103,583
+42,741
| +70% | +$2.42M |
|
415
Cheesecake Factory
CAKE
$5.84B
| $6.04M | 0.02% |
103,236
+13,132
| +15% | +$664K |
|
416
Vanguard Morningstar Small-Cap ETF
VB
$83B
| $6M | 0.02% |
28,028
+2,369
| +9% | +$499K |
|
417
Invesco Water Resources ETF
PHO
$2.06B
| $5.96M | 0.02% |
120,564
-5,132
| -4% | -$248K |
|
418
Wheaton Precious Metals
WPM
$61.3B
| $5.89M | 0.02% |
154,280
+434
| +0.3% | +$17.2K |
|
419
BP
BP
$111B
| $5.85M | 0.02% |
240,333
+11,318
| +5% | +$273K |
|
420
Cardlytics
CDLX
$24.7M
| $5.85M | 0.02% |
5,330
-2,191
| -29% | -$2.89M |
|
421
Information Services Group
III
$249M
| $5.84M | 0.02% |
1,328,401
+4,800
| +0.4% | +$18.4K |
|
422
Nutanix
NTNX
$17.5B
| $5.82M | 0.02% |
218,999
+10,605
| +5% | +$323K |
|
423
Motorola Solutions
MSI
$77.7B
| $5.79M | 0.02% |
30,815
+20,667
| +204% | +$3.69M |
|
424
ProShares S&P 500 Dividend Aristocrats ETF
NOBL
$11.9B
| $5.79M | 0.02% |
134,300
-10,154
| -7% | -$418K |
|
425
Autodesk
ADSK
$52.7B
| $5.77M | 0.02% |
20,823
+5,387
| +35% | +$1.55M |
|
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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.