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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
QQQH
1476
NEOS Nasdaq-100 Hedged Equity Income ETF
QQQH
$387M
$208K ﹤0.01%
3,700
LSXMK
1477
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
$207K ﹤0.01%
5,749
-8,823
-61% -$304K
GRFS
1478
Grifois
GRFS
$5.4B
$206K ﹤0.01%
11,874
-13
-0.1% -$233
VPU
1479
Vanguard Utilities ETF
VPU
$8.52B
$206K ﹤0.01%
1,485
+93
+7% +$13.3K
SKY icon
1480
Champion Homes
SKY
$5.23B
$205K ﹤0.01%
3,849
-1,530
-28% -$72.1K
PETQ
1481
DELISTED
PetIQ, Inc. Class A Common Stock
PETQ
$205K ﹤0.01%
+5,308
New +$212K
VG
1482
DELISTED
Vonage Holdings Corporation
VG
$205K ﹤0.01%
14,200
MDYV icon
1483
State Street SPDR S&P 400 Mid Cap Value ETF
MDYV
$2.89B
$204K ﹤0.01%
3,028
-126
-4% -$8.64K
FPE icon
1484
First Trust Preferred Securities and Income ETF
FPE
$6.34B
$203K ﹤0.01%
9,841
+232
+2% +$4.74K
SSD icon
1485
Simpson Manufacturing
SSD
$8B
$203K ﹤0.01%
+1,840
New +$203K
EMLP icon
1486
First Trust North American Energy Infrastructure Fund
EMLP
$4.16B
$202K ﹤0.01%
8,257
-2,642
-24% -$64K
ENFR icon
1487
Alerian Energy Infrastructure ETF
ENFR
$519M
$202K ﹤0.01%
10,050
-175
-2% -$3.33K
FHB icon
1488
First Hawaiian
FHB
$3.39B
$202K ﹤0.01%
+7,120
New +$199K
PCY icon
1489
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.4B
$201K ﹤0.01%
7,274
+68
+0.9% +$1.87K
IAA
1490
DELISTED
IAA, Inc. Common Stock
IAA
$201K ﹤0.01%
3,685
OGS icon
1491
ONE Gas
OGS
$5.09B
$200K ﹤0.01%
2,705
-132
-5% -$10.2K
AGZ icon
1492
iShares Agency Bond ETF
AGZ
$566M
$199K ﹤0.01%
1,677
+12
+0.7% +$1.42K
ING icon
1493
ING
ING
$102B
$199K ﹤0.01%
15,000
VRIG icon
1494
Invesco Variable Rate Investment Grade ETF
VRIG
$1.85B
$199K ﹤0.01%
7,935
CGBD icon
1495
Carlyle Secured Lending
CGBD
$782M
$198K ﹤0.01%
15,000
-10,000
-40% -$136K
MRO
1496
DELISTED
Marathon Oil Corporation
MRO
$198K ﹤0.01%
14,543
-44
-0.3% -$532
HEDJ icon
1497
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.88B
$196K ﹤0.01%
5,132
IEUS icon
1498
iShares MSCI Europe Small-Cap ETF
IEUS
$185M
$195K ﹤0.01%
+2,810
New +$198K
ARDX icon
1499
Ardelyx
ARDX
$1.01B
$190K ﹤0.01%
25,000
-100
-0.4% -$739
CTIC
1500
DELISTED
CTI BioPharma Corp. (DE) Common Stock
CTIC
$190K ﹤0.01%
76,198

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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.