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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
PWB icon
1526
Invesco Large Cap Growth ETF
PWB
$2.45B
$161K ﹤0.01%
2,157
SHE icon
1527
State Street SPDR MSCI USA Gender Diversity ETF
SHE
$339M
$161K ﹤0.01%
1,582
+1
+0.1% +$99
BW icon
1528
Babcock & Wilcox
BW
$1.39B
$158K ﹤0.01%
+20,001
New +$165K
SSRM icon
1529
SSR Mining
SSRM
$6.49B
$158K ﹤0.01%
10,133
HYS icon
1530
PIMCO 0-5 Year High Yield Corporate Bond Index Exchange-Traded Fund
HYS
$1.78B
$157K ﹤0.01%
1,574
+112
+8% +$11.1K
MTUM icon
1531
iShares MSCI USA Momentum Factor ETF
MTUM
$26.1B
$157K ﹤0.01%
908
-144
-14% -$24.4K
HZN
1532
DELISTED
Horizon Global Corporation
HZN
$157K ﹤0.01%
18,500
INN
1533
Summit Hotel Properties
INN
$656M
$155K ﹤0.01%
16,644
OR icon
1534
OR Royalties Inc
OR
$6.15B
$154K ﹤0.01%
11,265
HDSN
1535
Hudson Technologies
HDSN
$239M
$153K ﹤0.01%
44,900
-6,000
-12% -$14.5K
SPTS icon
1536
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.12B
$153K ﹤0.01%
5,000
FNDA icon
1537
Schwab Fundamental US Small Company Index ETF
FNDA
$9.43B
$152K ﹤0.01%
5,586
-1,488
-21% -$39.6K
GRID
1538
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
GRID
$12.3B
$152K ﹤0.01%
1,638
VONV icon
1539
Vanguard Russell 1000 Value ETF
VONV
$22B
$152K ﹤0.01%
2,177
-1
-0% -$70
KDNY
1540
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
$152K ﹤0.01%
10,750
-7,000
-39% -$112K
GOCO
1541
DELISTED
GoHealth
GOCO
$151K ﹤0.01%
901
-869
-49% -$152K
ICSH icon
1542
iShares Ultra Short Duration Bond Active ETF
ICSH
$8.4B
$151K ﹤0.01%
2,996
SRLN icon
1543
State Street Blackstone Senior Loan ETF
SRLN
$5.38B
$150K ﹤0.01%
3,247
+1,185
+57% +$54.5K
IYE icon
1544
iShares US Energy ETF
IYE
$1.8B
$149K ﹤0.01%
5,109
AFK icon
1545
VanEck Africa Index ETF
AFK
$104M
$148K ﹤0.01%
+6,775
New +$149K
SKYY icon
1546
First Trust Cloud Computing ETF
SKYY
$3.38B
$148K ﹤0.01%
1,399
-2,657
-66% -$266K
SPYM
1547
State Street SPDR Portfolio S&P 500 ETF
SPYM
$170B
$148K ﹤0.01%
+2,937
New +$144K
TDW icon
1548
Tidewater
TDW
$4.55B
$145K ﹤0.01%
12,006
AFMD
1549
DELISTED
Affimed
AFMD
$140K ﹤0.01%
1,650
ITM icon
1550
VanEck Intermediate Muni ETF
ITM
$2.14B
$138K ﹤0.01%
2,662

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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.