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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
WPC icon
476
W.P. Carey
WPC
$16.3B
$4.53M 0.02%
61,935
-301
-0.5% -$22K
PRO
477
DELISTED
PROS Holdings
PRO
$4.51M 0.02%
98,888
-625
-0.6% -$27.6K
CAG icon
478
Conagra Brands
CAG
$7.39B
$4.5M 0.02%
123,793
-88,370
-42% -$3.31M
IHI icon
479
iShares US Medical Devices ETF
IHI
$3.48B
$4.5M 0.02%
74,814
+4,686
+7% +$271K
BYSI icon
480
BeyondSpring
BYSI
$41M
$4.5M 0.02%
430,580
+194,930
+83% +$2.06M
LUV icon
481
Southwest Airlines
LUV
$22B
$4.49M 0.02%
84,544
+1,064
+1% +$63.8K
FIRY
482
Firy Inc
FIRY
$158M
$4.48M 0.02%
+10,307
New +$3.68M
VTWO icon
483
Vanguard Russell 2000 ETF
VTWO
$17.5B
$4.48M 0.02%
48,358
-900
-2% -$81.7K
PLAN
484
DELISTED
Anaplan, Inc.
PLAN
$4.46M 0.02%
83,674
+14,880
+22% +$828K
LHX icon
485
L3Harris
LHX
$53.7B
$4.41M 0.02%
20,397
-292
-1% -$62.8K
RWO icon
486
State Street SPDR Dow Jones Global Real Estate ETF
RWO
$1.29B
$4.4M 0.02%
85,402
+8,129
+11% +$412K
VNQI icon
487
Vanguard Global ex-US Real Estate ETF
VNQI
$3.52B
$4.38M 0.02%
75,037
-12
-0% -$698
DRVN icon
488
Driven Brands
DRVN
$2.12B
$4.36M 0.02%
141,150
+35,000
+33% +$986K
CNNE icon
489
Cannae Holdings
CNNE
$675M
$4.34M 0.02%
127,881
-789
-0.6% -$29.4K
PCYO icon
490
Pure Cycle
PCYO
$273M
$4.3M 0.01%
311,280
+3,007
+1% +$43K
USPH icon
491
US Physical Therapy
USPH
$1.24B
$4.26M 0.01%
36,763
-1,800
-5% -$207K
OBDC icon
492
Blue Owl Capital
OBDC
$5.87B
$4.24M 0.01%
297,064
-18,573
-6% -$267K
HUBB icon
493
Hubbell
HUBB
$26.8B
$4.23M 0.01%
22,616
-50
-0.2% -$9.44K
KBWB icon
494
Invesco KBW Bank ETF
KBWB
$6.84B
$4.21M 0.01%
65,445
+8,810
+16% +$579K
DLR icon
495
Digital Realty Trust
DLR
$73.1B
$4.21M 0.01%
27,966
+1,279
+5% +$193K
BAX icon
496
Baxter International
BAX
$14B
$4.18M 0.01%
51,918
-9,374
-15% -$786K
CP icon
497
Canadian Pacific Kansas City
CP
$82.6B
$4.17M 0.01%
54,245
-72,525
-57% -$5.62M
MSP
498
DELISTED
Datto Holding Corp.
MSP
$4.17M 0.01%
149,710
+54,497
+57% +$1.4M
VIS icon
499
Vanguard Industrials ETF
VIS
$8.5B
$4.16M 0.01%
21,162
-1,013
-5% -$199K
OPCH icon
500
Option Care Health
OPCH
$3.61B
$4.15M 0.01%
189,574
-30,034
-14% -$579K
18 19
20
21 22

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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.