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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
WEX icon
226
WEX
WEX
$6.31B
$21.4M 0.07%
152,331
-15,834
-9% -$2.42M
BHVN
227
DELISTED
Biohaven Pharmaceutical Holding Company Ltd.
BHVN
$21.1M 0.07%
+153,011
New +$19.5M
AZN icon
228
AstraZeneca
AZN
$250B
$20.4M 0.06%
175,074
-12,578
-7% -$1.48M
BRK.A icon
229
Berkshire Hathaway Class A
BRK.A
$1.12T
$20.3M 0.06%
45
+3
+7% +$1.3M
TROW icon
230
T. Rowe Price
TROW
$24.3B
$19.9M 0.06%
101,106
+8,926
+10% +$1.81M
AMD icon
231
Advanced Micro Devices
AMD
$789B
$19.7M 0.06%
137,016
+1,472
+1% +$198K
VO icon
232
Vanguard Morningstar Mid-Cap ETF
VO
$109B
$19.6M 0.06%
308,140
-3,856
-1% -$242K
SPGI icon
233
S&P Global
SPGI
$120B
$19.2M 0.06%
40,685
+3,495
+9% +$1.6M
TECH icon
234
Bio-Techne
TECH
$11.3B
$19M 0.06%
146,548
-6,144
-4% -$753K
EQIX icon
235
Equinix
EQIX
$103B
$18.9M 0.06%
22,293
+906
+4% +$726K
DVY icon
236
iShares Select Dividend ETF
DVY
$23.6B
$18.5M 0.06%
151,163
+1,254
+0.8% +$149K
PFFD icon
237
Global X US Preferred ETF
PFFD
$2.17B
$18.5M 0.06%
717,350
-53,974
-7% -$1.38M
EHC icon
238
Encompass Health
EHC
$12.4B
$18.5M 0.06%
355,917
-43,561
-11% -$2.25M
SJM icon
239
J.M. Smucker
SJM
$12.8B
$18.5M 0.06%
136,051
+5,154
+4% +$657K
MS icon
240
Morgan Stanley
MS
$340B
$18.4M 0.06%
187,774
+62,866
+50% +$6.26M
GE icon
241
GE Aerospace
GE
$384B
$18.4M 0.06%
312,131
+24,590
+9% +$1.54M
ORCL icon
242
Oracle
ORCL
$423B
$18.2M 0.06%
208,178
+818
+0.4% +$76.8K
SPSB icon
243
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.7B
$18.1M 0.06%
585,842
-168,871
-22% -$5.25M
VTI icon
244
Vanguard Morningstar Total Stock Market ETF
VTI
$684B
$18.1M 0.06%
75,098
+3,035
+4% +$716K
SHW icon
245
Sherwin-Williams
SHW
$89.8B
$18.1M 0.06%
51,392
+561
+1% +$181K
RPAY icon
246
Repay Holdings
RPAY
$327M
$18M 0.06%
984,596
-141,893
-13% -$2.79M
QNST icon
247
QuinStreet
QNST
$1.21B
$17.9M 0.06%
984,984
+21,433
+2% +$355K
GLOB icon
248
Globant
GLOB
$1.61B
$17.9M 0.06%
56,953
+1,671
+3% +$494K
XLF icon
249
State Street Financial Select Sector SPDR ETF
XLF
$58.2B
$17.7M 0.06%
453,726
+19,678
+5% +$773K
SGEN
250
DELISTED
Seagen Inc. Common Stock
SGEN
$17.6M 0.06%
114,151
+1,354
+1% +$227K
8 9
10
11 12

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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.