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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+10.7%
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
$28.9B
AUM Growth
+$2.35B
Cap. Flow
-$98.3M
Cap. Flow %
-0.34%
Top 10 Hldgs %
23.73%
Holding
1,960
New
105
Increased
655
Reduced
787
Closed
72

Top Buys

Rank Stock Value
1
BALL icon
Ball Corp
BALL
+$39.8M
2
ABNB icon
Airbnb
ABNB
+$37.1M
3
GNRC icon
Generac Holdings
GNRC
+$34.4M
4
U icon
Unity
U
+$29.3M
5
TREX icon
Trex
TREX
+$29M

Top Sells

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$87.4M
2
TDOC icon
Teladoc Health
TDOC
+$65.6M
3
VRSK icon
Verisk Analytics
VRSK
+$65M
4
AAPL icon
Apple
AAPL
+$52M
5
ACWV icon
iShares MSCI Global Min Vol Factor ETF
ACWV
+$46.5M

Sector Composition

Rank Sector Weight
1 Technology 25.7%
2 Healthcare 19.69%
3 Financials 11.7%
4 Consumer Discretionary 10.72%
5 Industrials 9.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TAN icon
251
Invesco Solar ETF
TAN
$1.38B
$15.8M 0.05%
176,639
+1,364
+0.8% +$111K
SJM icon
252
J.M. Smucker
SJM
$12.9B
$15.7M 0.05%
120,911
+7,884
+7% +$1.05M
NEO icon
253
NeoGenomics
NEO
$2.11B
$15.7M 0.05%
346,556
+12,672
+4% +$561K
IAU icon
254
iShares Gold Trust
IAU
$64.5B
$15.5M 0.05%
459,868
+76,219
+20% +$2.63M
TIG
255
DELISTED
Trean Insurance Group, Inc. Common Stock
TIG
$15.5M 0.05%
1,026,494
+130,789
+15% +$2.13M
TWOU
256
DELISTED
2U Inc
TWOU
$15.2M 0.05%
12,149
+2,334
+24% +$2.69M
IRDM icon
257
Iridium Communications
IRDM
$5.29B
$14.7M 0.05%
367,689
-3,805
-1% -$148K
COO icon
258
Cooper Companies
COO
$14.9B
$14.7M 0.05%
148,148
-31,288
-17% -$3.07M
ONT
259
Onterris Inc
ONT
$610M
$14.7M 0.05%
273,287
+75,774
+38% +$3.99M
SPGI icon
260
S&P Global
SPGI
$125B
$14.6M 0.05%
35,676
+2,827
+9% +$1.09M
EVBG
261
DELISTED
Everbridge, Inc. Common Stock
EVBG
$14.6M 0.05%
107,503
+6,213
+6% +$777K
TSCO icon
262
Tractor Supply
TSCO
$18.8B
$14.4M 0.05%
386,370
-9,245
-2% -$339K
GDYN icon
263
Grid Dynamics Holdings
GDYN
$643M
$14.3M 0.05%
953,215
+45,776
+5% +$717K
GPN icon
264
Global Payments
GPN
$25.2B
$14.2M 0.05%
75,863
-9,084
-11% -$1.83M
RSP icon
265
Invesco S&P 500 Equal Weight ETF
RSP
$100B
$14.2M 0.05%
94,375
+13,924
+17% +$2.07M
DEO icon
266
Diageo
DEO
$52.8B
$14.2M 0.05%
74,040
-4,117
-5% -$766K
CRSP icon
267
CRISPR Therapeutics
CRSP
$5.25B
$14.2M 0.05%
87,629
+7,157
+9% +$870K
AVGO icon
268
Broadcom
AVGO
$1.99T
$14M 0.05%
293,320
+15,980
+6% +$740K
BOKF icon
269
BOK Financial
BOKF
$8.83B
$14M 0.05%
161,158
– –
EFG icon
270
iShares MSCI EAFE Growth ETF
EFG
$17.4B
$13.9M 0.05%
129,793
-348
-0.3% -$37K
WORK
271
DELISTED
Slack Technologies, Inc.
WORK
$13.8M 0.05%
312,072
-274,707
-47% -$11.8M
SGEN
272
DELISTED
Seagen Inc. Common Stock
SGEN
$13.7M 0.05%
86,574
-1,604
-2% -$238K
VMC icon
273
Vulcan Materials
VMC
$36.1B
$13.6M 0.05%
78,338
+5,363
+7% +$959K
SHW icon
274
Sherwin-Williams
SHW
$87.5B
$13.6M 0.05%
50,046
+3,270
+7% +$896K
SPCE icon
275
Virgin Galactic
SPCE
$474M
$13.6M 0.05%
14,761
-55
-0.4% -$31.2K
9 10
11
12 13

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William Blair & Company's Q2 2021 Portfolio in Review

As of Q2 2021, William Blair & Company held 1,960 positions worth $28.9B, up 8.9% from $26.5B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2021 filing shows 105 new, 655 increased, 787 reduced and 72 closed positions. Its largest new stake was Luminar Technologies: 36,860 shares worth $12.1M. The largest sale was Fiserv Inc, an estimated $87.4M.

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 Q2 2021 buy was Luminar Technologies: 36,860 shares worth $12.1M.
  • William Blair & Company added most to Ball Corp in Q2 2021, an estimated $39.8M increase.
  • William Blair & Company's biggest Q2 2021 reduction was Fiserv Inc, cutting an estimated $87.4M.
  • William Blair & Company fully exited RealPage, Inc. in Q2 2021, selling an estimated $12.1M.
  • William Blair & Company's ten largest holdings make up 24% of its $28.9B portfolio in Q2 2021.
  • William Blair & Company opened 105 new positions and closed 72 in Q2 2021.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $28.9B.

Based on William Blair & Company's 13F filing for Q2 2021, filed 12 Aug 2021.