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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 | |
|---|---|---|---|---|---|---|
|
PING
451
DELISTED
Ping Identity Holding Corp.
PING
| $5.01M | 0.02% |
228,637
+47,029
| +26% | +$1.33M |
|
|
ASTR
452
DELISTED
Astra Space, Inc. Class A Common Stock
ASTR
| $4.95M | 0.02% |
28,013
+26,486
| +1,735% | +$5.46M |
|
453
International Paper
IP
$21.8B
| $4.92M | 0.02% |
96,147
-2,898
| -3% | -$141K |
|
454
Burlington
BURL
$22.4B
| $4.92M | 0.02% |
16,449
-2,076
| -11% | -$564K |
|
455
Vanguard Total Bond Market
BND
$162B
| $4.91M | 0.02% |
57,989
-45,636
| -44% | -$3.94M |
|
456
MediaAlpha
MAX
$800M
| $4.89M | 0.02% |
+138,053
| New | +$6.85M |
|
457
Global X Robotics & Artificial Intelligence ETF
BOTZ
$3.59B
| $4.88M | 0.02% |
147,353
-6,284
| -4% | -$215K |
|
458
Robert Half
RHI
$4.34B
| $4.87M | 0.02% |
62,325
+3,332
| +6% | +$242K |
|
459
Vanguard International High Dividend Yield ETF
VYMI
$21.3B
| $4.83M | 0.02% |
73,856
-2,378
| -3% | -$153K |
|
460
TotalEnergies
TTE
$190B
| $4.83M | 0.02% |
103,821
-3,142
| -3% | -$143K |
|
461
iShares Russell 2000 Value ETF
IWN
$14.8B
| $4.8M | 0.02% |
30,096
-10,070
| -25% | -$1.52M |
|
462
Jacobs Solutions
J
$17B
| $4.69M | 0.02% |
43,887
+10,130
| +30% | +$967K |
|
463
LiveRamp
RAMP
$2.3B
| $4.69M | 0.02% |
90,452
+9,993
| +12% | +$681K |
|
|
SDC
464
DELISTED
SmileDirectClub, Inc. Class A Common Stock
SDC
| $4.68M | 0.02% |
454,288
+2,776
| +0.6% | +$32.9K |
|
465
Hershey
HSY
$37.5B
| $4.67M | 0.02% |
29,537
-5,170
| -15% | -$779K |
|
|
ABB
466
DELISTED
ABB Ltd
ABB
| $4.64M | 0.02% |
152,207
-2,796
| -2% | -$84K |
|
467
VF Corp
VFC
$5.78B
| $4.61M | 0.02% |
57,645
-5,688
| -9% | -$462K |
|
468
Warner Music
WMG
$13.1B
| $4.59M | 0.02% |
133,698
+8,150
| +6% | +$292K |
|
469
Vanguard Morningstar Small-Cap Value ETF
VBR
$38.3B
| $4.47M | 0.02% |
26,990
+2,237
| +9% | +$352K |
|
470
Wayfair
W
$14.1B
| $4.46M | 0.02% |
14,175
+4,135
| +41% | +$1.22M |
|
471
A.O. Smith
AOS
$8.51B
| $4.45M | 0.02% |
65,809
+17,322
| +36% | +$1.05M |
|
472
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.9B
| $4.45M | 0.02% |
34,178
-7,728
| -18% | -$1.03M |
|
473
ProShares Short 20+ Year Treasury ETF
TBF
$105M
| $4.43M | 0.02% |
244,740
+4,250
| +2% | +$72.6K |
|
474
Charles River Laboratories
CRL
$13.6B
| $4.43M | 0.02% |
15,285
+5,552
| +57% | +$1.54M |
|
475
Ligand Pharmaceuticals
LGND
$5.8B
| $4.41M | 0.02% |
46,415
-5,432
| -10% | -$513K |
|
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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.