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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+8.27%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$31.9B
AUM Growth
+$2.51B
Cap. Flow
+$830M
Cap. Flow %
2.6%
Top 10 Hldgs %
23.75%
Holding
2,051
New
174
Increased
889
Reduced
606
Closed
88

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$66.8M
2
PODD icon
Insulet
PODD
+$47M
3
XMTR icon
Xometry
XMTR
+$44.1M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$43.7M
5
AON icon
Aon
AON
+$36.1M

Top Sells

Rank Stock Value
1
PYPL icon
PayPal
PYPL
+$73.8M
2
ATVI
Activision Blizzard
ATVI
+$46.9M
3
OSH
Oak Street Health, Inc.
OSH
+$43.6M
4
DIS icon
Walt Disney
DIS
+$34M
5
PGR icon
Progressive
PGR
+$32.6M

Sector Composition

Rank Sector Weight
1 Technology 26.2%
2 Healthcare 19.21%
3 Financials 10.7%
4 Consumer Discretionary 10.6%
5 Industrials 10.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
VERU icon
751
Veru
VERU
$37.4M
$1.85M 0.01%
31,493
+505
+2% +$38.6K
WDC icon
752
Western Digital
WDC
$150B
$1.85M 0.01%
37,605
+9,363
+33% +$407K
CIBR icon
753
First Trust NASDAQ Cybersecurity ETF
CIBR
$15.3B
$1.85M 0.01%
35,033
+7,258
+26% +$381K
CFG icon
754
Citizens Financial Group
CFG
$30.6B
$1.8M 0.01%
38,033
+435
+1% +$21K
CDLX icon
755
Cardlytics
CDLX
$21.5M
$1.79M 0.01%
2,712
-927
-25% -$709K
SMPL icon
756
Simply Good Foods
SMPL
$982M
$1.78M 0.01%
42,914
+14,674
+52% +$560K
BROS icon
757
Dutch Bros
BROS
$9.26B
$1.78M 0.01%
+34,919
New +$1.94M
CERT icon
758
Certara
CERT
$1.25B
$1.77M 0.01%
62,374
+22,389
+56% +$753K
BAND
759
Bandwidth Inc
BAND
$1.61B
$1.77M 0.01%
24,672
+961
+4% +$74.9K
IJT icon
760
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.42B
$1.77M 0.01%
12,746
+700
+6% +$95.3K
CNC icon
761
Centene
CNC
$32.5B
$1.76M 0.01%
21,378
+15,082
+240% +$1.11M
ZEN
762
DELISTED
ZENDESK INC
ZEN
$1.75M 0.01%
16,770
-10,110
-38% -$1.08M
AVY icon
763
Avery Dennison
AVY
$13.4B
$1.74M 0.01%
8,042
+5
+0.1% +$1.07K
HDV
764
iShares Core High Dividend ETF
HDV
$14.9B
$1.74M 0.01%
86,125
+7,405
+9% +$145K
CDXS icon
765
Codexis
CDXS
$158M
$1.73M 0.01%
55,325
– –
MOAT icon
766
VanEck Morningstar Wide Moat ETF
MOAT
$12.3B
$1.73M 0.01%
22,694
+1,313
+6% +$99.5K
MOS icon
767
The Mosaic Company
MOS
$7.33B
$1.73M 0.01%
43,950
-4,581
-9% -$175K
WSM icon
768
Williams-Sonoma
WSM
$29.6B
$1.72M 0.01%
20,376
+216
+1% +$20.1K
TRS icon
769
TriMas Corp
TRS
$1.44B
$1.71M 0.01%
46,229
-3,352
-7% -$116K
ALBO
770
DELISTED
Albireo Pharma Inc
ALBO
$1.7M 0.01%
72,838
-10,775
-13% -$286K
BYND icon
771
Beyond Meat
BYND
$277M
$1.69M 0.01%
25,899
-44,995
-63% -$3.83M
SCHF icon
772
Schwab International Equity ETF
SCHF
$68.7B
$1.68M 0.01%
86,582
+15,770
+22% +$310K
BIP icon
773
Brookfield Infrastructure Partners
BIP
$18B
$1.68M 0.01%
41,418
+2,679
+7% +$103K
RYN icon
774
Rayonier
RYN
$6.55B
$1.68M 0.01%
45,799
-1,873
-4% -$65.1K
VSTO
775
DELISTED
Vista Outdoor Inc.
VSTO
$1.68M 0.01%
36,401
+245
+0.7% +$10.5K
29 30
31
32 33

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William Blair & Company's Q4 2021 Portfolio in Review

As of Q4 2021, William Blair & Company held 2,051 positions worth $31.9B, up 8.5% from $29.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q4 2021 filing shows 174 new, 889 increased, 606 reduced and 88 closed positions. Its largest new stake was Portillo's: 759,814 shares worth $28.5M. The largest sale was PayPal, an estimated $73.8M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2021 buy was Portillo's: 759,814 shares worth $28.5M.
  • William Blair & Company added most to Amazon in Q4 2021, an estimated $66.8M increase.
  • William Blair & Company's biggest Q4 2021 reduction was PayPal, cutting an estimated $73.8M.
  • William Blair & Company fully exited Asana in Q4 2021, selling an estimated $6.06M.
  • William Blair & Company's ten largest holdings make up 24% of its $31.9B portfolio in Q4 2021.
  • William Blair & Company opened 174 new positions and closed 88 in Q4 2021.
  • William Blair & Company's portfolio value rose 8.5% quarter-over-quarter to $31.9B.

Based on William Blair & Company's 13F filing for Q4 2021, filed 14 Feb 2022.