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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

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
KSS icon
776
Kohl's
KSS
$2.22B
$1.54M 0.01%
27,940
-6,475
-19% -$372K
IVOG icon
777
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.73B
$1.54M 0.01%
15,324
-858
-5% -$85.4K
TXG icon
778
10x Genomics
TXG
$7.58B
$1.53M 0.01%
7,841
+1,895
+32% +$343K
ORI icon
779
Old Republic International
ORI
$10.3B
$1.53M 0.01%
61,489
BCO icon
780
Brink's
BCO
$4.72B
$1.53M 0.01%
19,925
-502
-2% -$39K
TVTY
781
DELISTED
Tivity Health, Inc. Common Stock
TVTY
$1.53M 0.01%
58,035
+2,275
+4% +$57.1K
DDMX
782
DELISTED
DD3 Acquisition Corp. II Class A Common Stock
DDMX
$1.52M 0.01%
153,768
-4,950
-3% -$49.1K
HDV
783
iShares Core High Dividend ETF
HDV
$15.1B
$1.52M 0.01%
78,950
-7,275
-8% -$141K
IJT icon
784
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.43B
$1.52M 0.01%
11,474
-242
-2% -$31.5K
SPOK icon
785
Spok Holdings
SPOK
$230M
$1.52M 0.01%
157,921
+31,328
+25% +$335K
CIEN icon
786
Ciena
CIEN
$62.7B
$1.51M 0.01%
26,625
-122
-0.5% -$6.72K
WTW icon
787
Willis Towers Watson
WTW
$31B
$1.51M 0.01%
6,583
-376
-5% -$93.5K
SAP icon
788
SAP
SAP
$242B
$1.51M 0.01%
10,773
-550
-5% -$76.6K
SNOW icon
789
Snowflake
SNOW
$117B
$1.51M 0.01%
6,244
+409
+7% +$95.1K
PLTR icon
790
Palantir
PLTR
$430B
$1.51M 0.01%
57,237
-19,367
-25% -$448K
XLP icon
791
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.9B
$1.5M 0.01%
21,496
+1,436
+7% +$101K
G icon
792
Genpact
G
$5.78B
$1.5M 0.01%
32,973
-6,476
-16% -$293K
RYN icon
793
Rayonier
RYN
$6.54B
$1.49M 0.01%
45,771
-441
-1% -$14.5K
AZPN
794
DELISTED
ASPEN TECHNOLOGY INC
AZPN
$1.49M 0.01%
10,837
+203
+2% +$27.9K
BUD icon
795
AB InBev
BUD
$158B
$1.49M 0.01%
20,644
+1,070
+5% +$78K
CIVB icon
796
Civista Bancshares
CIVB
$595M
$1.49M 0.01%
67,300
-2,590
-4% -$59.9K
BTRS
797
DELISTED
BTRS Holdings Inc. Class 1 Common Stock
BTRS
$1.49M 0.01%
117,835
+480
+0.4% +$6.93K
IJJ icon
798
iShares S&P Mid-Cap 400 Value ETF
IJJ
$9.08B
$1.48M 0.01%
14,076
-196
-1% -$20.9K
EYE icon
799
National Vision
EYE
$1.51B
$1.48M 0.01%
28,963
+11,737
+68% +$576K
BIP icon
800
Brookfield Infrastructure Partners
BIP
$18.4B
$1.48M 0.01%
39,962
+186
+0.5% +$6.72K

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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.