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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
GII icon
1751
State Street SPDR S&P Global Infrastructure ETF
GII
$930M
$20K ﹤0.01%
390
– –
HYLS icon
1752
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.64B
$20K ﹤0.01%
412
– –
IGM icon
1753
iShares Expanded Tech Sector ETF
IGM
$10.9B
$20K ﹤0.01%
300
– –
ZG icon
1754
Zillow
ZG
$8.15B
$19K ﹤0.01%
153
-450
-75% -$55.6K
SCHM icon
1755
Schwab US Mid-Cap ETF
SCHM
$15.3B
$18K ﹤0.01%
675
-72
-10% -$1.86K
XTL icon
1756
State Street SPDR S&P Telecom ETF
XTL
$555M
$18K ﹤0.01%
179
– –
BUZZ icon
1757
VanEck Social Sentiment ETF
BUZZ
$103M
$17K ﹤0.01%
637
– –
EWD icon
1758
iShares MSCI Sweden ETF
EWD
$585M
$16K ﹤0.01%
350
– –
SCHC icon
1759
Schwab International Small-Cap Equity ETF
SCHC
$5.69B
$16K ﹤0.01%
383
+95
+33% +$3.96K
CUT icon
1760
Invesco MSCI Global Timber ETF
CUT
$33.5M
$15K ﹤0.01%
400
– –
EPP icon
1761
iShares MSCI Pacific ex Japan ETF
EPP
$2.24B
$15K ﹤0.01%
292
– –
FXU icon
1762
First Trust Utilities AlphaDEX Fund
FXU
$831M
$15K ﹤0.01%
517
– –
ISCV icon
1763
iShares Morningstar Small-Cap Value ETF
ISCV
$710M
$15K ﹤0.01%
261
– –
PKW icon
1764
Invesco BuyBack Achievers ETF
PKW
$1.8B
$15K ﹤0.01%
164
+56
+52% +$4.98K
RSPT icon
1765
Invesco S&P 500 Equal Weight Technology ETF
RSPT
$6.05B
$15K ﹤0.01%
500
-540
-52% -$15.1K
AAXJ icon
1766
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.85B
$14K ﹤0.01%
143
-141
-50% -$13.2K
CHIQ icon
1767
Global X MSCI China Consumer Discretionary ETF
CHIQ
$120M
$14K ﹤0.01%
396
– –
EZA icon
1768
iShares MSCI South Africa ETF
EZA
$559M
$14K ﹤0.01%
296
– –
IPAC icon
1769
iShares Core MSCI Pacific ETF
IPAC
$2.78B
$14K ﹤0.01%
210
+100
+91% +$6.73K
MDIV icon
1770
First Trust Exchange-Traded Fund VI Multi-Asset Diversified Income Index Fund
MDIV
$432M
$14K ﹤0.01%
+813
New +$13.7K
RZG icon
1771
Invesco S&P SmallCap 600 Pure Growth ETF
RZG
$138M
$14K ﹤0.01%
255
-75
-23% -$3.96K
SUPN icon
1772
Supernus Pharmaceuticals
SUPN
$2.74B
$14K ﹤0.01%
440
-150
-25% -$4.6K
TLH icon
1773
iShares 10-20 Year Treasury Bond ETF
TLH
$10.9B
$14K ﹤0.01%
93
-75
-45% -$10.8K
XMPT icon
1774
VanEck CEF Muni Income ETF
XMPT
$221M
$14K ﹤0.01%
474
– –
LQDH icon
1775
iShares Interest Rate Hedged Corporate Bond ETF
LQDH
$541M
$13K ﹤0.01%
130
– –
69 70
71
72 73

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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.