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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
NG icon
1576
NovaGold Resources
NG
$3.4B
$111K ﹤0.01%
+13,807
New +$130K
SCHD icon
1577
Schwab US Dividend Equity ETF
SCHD
$108B
$110K ﹤0.01%
4,365
+15
+0.3% +$379
OSW icon
1578
OneSpaWorld
OSW
$2.73B
$109K ﹤0.01%
11,205
– –
EWG icon
1579
iShares MSCI Germany ETF
EWG
$1.67B
$108K ﹤0.01%
3,114
– –
RPG icon
1580
Invesco S&P 500 Pure Growth ETF
RPG
$2.09B
$108K ﹤0.01%
2,935
– –
TBT icon
1581
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$306M
$108K ﹤0.01%
5,754
-2,000
-26% -$40.7K
ATHX
1582
DELISTED
Athersys, Inc. Common Stock
ATHX
$108K ﹤0.01%
2,992
– –
DDG
1583
DELISTED
Proshares Short Oil & Gas
DDG
$108K ﹤0.01%
6,520
– –
TOVX icon
1584
Theriva Biologics
TOVX
$10.6M
$103K ﹤0.01%
685
+402
+142% +$57.6K
VT icon
1585
Vanguard Total World Stock ETF
VT
$81.9B
$103K ﹤0.01%
998
-1,811
-64% -$185K
AKBA icon
1586
Akebia Therapeutics
AKBA
$241M
$102K ﹤0.01%
26,963
– –
XYLD icon
1587
Global X S&P 500 Covered Call ETF
XYLD
$3.28B
$101K ﹤0.01%
+2,064
New +$99.6K
EWZ icon
1588
iShares MSCI Brazil ETF
EWZ
$8.55B
$100K ﹤0.01%
2,462
-343
-12% -$12.9K
PFXF icon
1589
VanEck Preferred Securities ex Financials ETF
PFXF
$2.49B
$97K ﹤0.01%
4,565
– –
PXH icon
1590
Invesco FTSE RAFI Emerging Markets ETF
PXH
$1.96B
$97K ﹤0.01%
4,158
-446
-10% -$10.4K
PMD
1591
DELISTED
Psychemedics Corporation
PMD
$97K ﹤0.01%
14,000
-1,500
-10% -$10.5K
CGW icon
1592
Invesco S&P Global Water Index ETF
CGW
$1.06B
$96K ﹤0.01%
1,794
– –
IDU icon
1593
iShares US Utilities ETF
IDU
$1.38B
$95K ﹤0.01%
1,210
-280
-19% -$22.7K
LBRDA icon
1594
Liberty Broadband Class A
LBRDA
$5.29B
$94K ﹤0.01%
557
-749
-57% -$117K
MGC icon
1595
Vanguard Morningstar Mega Cap ETF
MGC
$10.4B
$94K ﹤0.01%
619
– –
FXL icon
1596
First Trust Technology AlphaDEX Fund
FXL
$2.89B
$93K ﹤0.01%
751
– –
VBIV
1597
DELISTED
VBI Vaccines, Inc. New Common Stock (Canada)
VBIV
$91K ﹤0.01%
901
– –
XOP icon
1598
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.69B
$90K ﹤0.01%
933
+857
+1,128% +$74.8K
BIL icon
1599
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.7B
$89K ﹤0.01%
974
-1,123
-54% -$103K
GBIL icon
1600
Goldman Sachs Access Treasury 0-1 Year ETF
GBIL
$7.59B
$89K ﹤0.01%
886
-49
-5% -$4.91K
62 63
64
65 66

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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.