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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
TECK icon
1901
Teck Resources
TECK
$31.3B
-12,281
Closed -$236K
TENX icon
1902
Tenax Therapeutics
TENX
$68.5M
-6
Closed -$19K
TM icon
1903
Toyota
TM
$223B
-1,470
Closed -$229K
TNL icon
1904
Travel + Leisure Co
TNL
$4.58B
-6,380
Closed -$390K
TQQQ icon
1905
ProShares UltraPro QQQ
TQQQ
$38.7B
-2,240
Closed -$51K
TRN icon
1906
Trinity Industries
TRN
$2.34B
-7,854
Closed -$224K
UPRO icon
1907
ProShares UltraPro S&P 500
UPRO
$5.86B
-250
Closed -$11K
VCLT icon
1908
Vanguard Long-Term Corporate Bond ETF
VCLT
$8.8B
-107
Closed -$11K
VST icon
1909
Vistra
VST
$49.1B
-12,078
Closed -$214K
VXX icon
1910
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$142M
-308
Closed -$225K
WIP icon
1911
State Street SPDR FTSE International Government Inflation-Protected Bond ETF
WIP
$474M
-200
Closed -$11K
GAP
1912
The Gap Inc
GAP
$7.34B
-13,989
Closed -$417K
QVCGA
1913
DELISTED
QVC Group Inc Series A
QVCGA
-230
Closed -$135K
SPWR
1914
DELISTED
SunPower Corporation Common Stock
SPWR
-6,623
Closed -$222K
ASTR
1915
DELISTED
Astra Space, Inc. Class A Common Stock
ASTR
-28,013
Closed -$4.95M
AWH
1916
DELISTED
Aspira Women's Health Inc. Common Stock
AWH
-2,355
Closed -$238K
HCCI
1917
DELISTED
Heritage-Crystal Clean, Inc.
HCCI
-8,233
Closed -$223K
SYNH
1918
DELISTED
Syneos Health, Inc. Class A Common Stock
SYNH
-4,266
Closed -$324K
TDW.WS.A
1919
DELISTED
Tidewater Inc. Series A Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.A
$0 ﹤0.01%
43
TDW.WS.B
1920
DELISTED
Tidewater Inc. Series B Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.B
$0 ﹤0.01%
46
FNI
1921
DELISTED
First Trust Chindia ETF
FNI
-12
Closed -$1K
ASTRW
1922
DELISTED
Astra Space, Inc. Warrant
ASTRW
-187,768
Closed -$543K
DDMXW
1923
DELISTED
DD3 Acquisition Corp. II Warrant
DDMXW
-134,168
Closed -$138K
INOV
1924
DELISTED
Inovalon Holdings, Inc. Class A Common Stock
INOV
-22,625
Closed -$651K
XLRN
1925
DELISTED
Acceleron Pharma
XLRN
-1,735
Closed -$235K

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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.