We are live on ! Find out more
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
LMND icon
926
Lemonade
LMND
$4B
$977K ﹤0.01%
8,934
+873
+11% +$79.3K
ARES icon
927
Ares Management
ARES
$32.1B
$972K ﹤0.01%
15,282
-1,737
-10% -$97.1K
THR
928
DELISTED
Thermon Group Holdings
THR
$970K ﹤0.01%
+56,947
New +$1.06M
FRC
929
DELISTED
First Republic Bank
FRC
$965K ﹤0.01%
5,155
-457
-8% -$84K
KEYS icon
930
Keysight
KEYS
$60.6B
$964K ﹤0.01%
6,240
-1,058
-14% -$154K
MPC icon
931
Marathon Petroleum
MPC
$97.8B
$955K ﹤0.01%
15,811
-3,373
-18% -$198K
TOTL icon
932
State Street DoubleLine Total Return Tactical ETF
TOTL
$4.01B
$951K ﹤0.01%
19,642
+2,978
+18% +$144K
BPOP icon
933
Popular Inc
BPOP
$11.2B
$949K ﹤0.01%
12,650
DCOM icon
934
Dime Commercial Bancshares
DCOM
$1.81B
$949K ﹤0.01%
28,224
PAAS icon
935
Pan American Silver
PAAS
$19.9B
$944K ﹤0.01%
33,051
+2,462
+8% +$79.3K
VKTX icon
936
Viking Therapeutics
VKTX
$3.97B
$939K ﹤0.01%
156,736
+3,000
+2% +$17.8K
PINS icon
937
Pinterest
PINS
$13B
$937K ﹤0.01%
11,869
+532
+5% +$37.1K
VTRS icon
938
Viatris
VTRS
$18.5B
$936K ﹤0.01%
65,468
-42,807
-40% -$619K
NTR icon
939
Nutrien
NTR
$32.1B
$935K ﹤0.01%
15,421
-532
-3% -$31.5K
ZROZ icon
940
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.31B
$935K ﹤0.01%
6,441
-360
-5% -$49.5K
WDC icon
941
Western Digital
WDC
$168B
$934K ﹤0.01%
17,362
+1,543
+10% +$83.4K
GME icon
942
GameStop
GME
$8.33B
$932K ﹤0.01%
17,412
-3,512
-17% -$170K
SSNC icon
943
SS&C Technologies
SSNC
$18.8B
$927K ﹤0.01%
12,865
-790
-6% -$57.8K
SHM icon
944
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.48B
$919K ﹤0.01%
18,550
TDY icon
945
Teledyne Technologies
TDY
$31.8B
$907K ﹤0.01%
2,166
+127
+6% +$53.9K
XPO icon
946
XPO
XPO
$24.7B
$907K ﹤0.01%
18,751
-1,755
-9% -$85.7K
CTXS
947
DELISTED
Citrix Systems Inc
CTXS
$906K ﹤0.01%
7,725
-1,681
-18% -$209K
ECPG icon
948
Encore Capital Group
ECPG
$2.07B
$905K ﹤0.01%
19,092
-3,150
-14% -$137K
GDXJ icon
949
VanEck Junior Gold Miners ETF
GDXJ
$8.33B
$897K ﹤0.01%
19,191
-14,997
-44% -$757K
KKR icon
950
KKR & Co
KKR
$99.5B
$894K ﹤0.01%
15,090
-1,448
-9% -$80.4K

Similar funds

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.