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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+9.1%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$19.5B
AUM Growth
+$2.1B
Cap. Flow
+$465M
Cap. Flow %
2.39%
Top 10 Hldgs %
22.3%
Holding
1,847
New
125
Increased
679
Reduced
598
Closed
120

Top Buys

Rank Stock Value
1
ANET icon
Arista Networks
ANET
+$24M
2
DIS icon
Walt Disney
DIS
+$22.5M
3
PYPL icon
PayPal
PYPL
+$21.1M
4
AXP icon
American Express
AXP
+$18.6M
5
NOW icon
ServiceNow
NOW
+$15.5M

Top Sells

Rank Stock Value
1
CELG
Celgene Corp
CELG
+$25M
2
ULTA icon
Ulta Beauty
ULTA
+$21.8M
3
EOG icon
EOG Resources
EOG
+$20.9M
4
ABMD
Abiomed Inc
ABMD
+$16.3M
5
GRUB
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
+$11.2M

Sector Composition

Rank Sector Weight
1 Technology 23.46%
2 Healthcare 17.35%
3 Financials 13.04%
4 Consumer Discretionary 9.94%
5 Industrials 9.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
NLY icon
851
Annaly Capital Management
NLY
$17.4B
$760K ﹤0.01%
20,165
+393
+2% +$14.3K
KAI icon
852
Kadant
KAI
$3.99B
$759K ﹤0.01%
7,206
+1,301
+22% +$124K
NICE icon
853
Nice
NICE
$5.97B
$759K ﹤0.01%
+4,890
New +$746K
TOTL icon
854
State Street DoubleLine Total Return Tactical ETF
TOTL
$4.03B
$758K ﹤0.01%
15,473
– –
BCSF icon
855
Bain Capital Specialty
BCSF
$850M
$755K ﹤0.01%
38,933
– –
TIVO
856
DELISTED
Tivo Inc
TIVO
$753K ﹤0.01%
88,800
-11,700
-12% -$92.5K
SR icon
857
Spire
SR
$4.85B
$751K ﹤0.01%
9,020
– –
KNX icon
858
Knight Transportation
KNX
$11.4B
$748K ﹤0.01%
20,875
+420
+2% +$15.4K
POR icon
859
Portland General Electric
POR
$5.77B
$741K ﹤0.01%
13,277
+9,440
+246% +$527K
STAG icon
860
STAG Industrial
STAG
$7.19B
$741K ﹤0.01%
+23,465
New +$719K
BLMN icon
861
Bloomin' Brands
BLMN
$937M
$740K ﹤0.01%
33,544
-198
-0.6% -$4.2K
NGG icon
862
National Grid
NGG
$81.3B
$738K ﹤0.01%
13,319
– –
IR icon
863
Ingersoll Rand
IR
$33.7B
$730K ﹤0.01%
19,900
-6,322
-24% -$207K
XLB icon
864
State Street Materials Select Sector SPDR ETF
XLB
$8.66B
$727K ﹤0.01%
23,676
+56
+0.2% +$1.65K
KIDS icon
865
OrthoPediatrics
KIDS
$595M
$721K ﹤0.01%
15,349
-2,591
-14% -$100K
VKTX icon
866
Viking Therapeutics
VKTX
$4B
$720K ﹤0.01%
89,821
-60,487
-40% -$441K
IGIB icon
867
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.6B
$719K ﹤0.01%
12,396
+2,327
+23% +$135K
NUAN
868
DELISTED
Nuance Communications, Inc.
NUAN
$719K ﹤0.01%
40,339
-10,182
-20% -$169K
DISH
869
DELISTED
DISH Network Corp.
DISH
$719K ﹤0.01%
20,272
-5,185
-20% -$180K
DELL icon
870
Dell
DELL
$293B
$713K ﹤0.01%
27,381
-592
-2% -$15.4K
CODI icon
871
Compass Diversified
CODI
$828M
$708K ﹤0.01%
28,471
+10,185
+56% +$225K
STWD icon
872
Starwood Property Trust
STWD
$6.09B
$708K ﹤0.01%
28,469
-5,570
-16% -$136K
KSU
873
DELISTED
Kansas City Southern
KSU
$706K ﹤0.01%
4,608
-4
-0.1% -$587
VV icon
874
Vanguard Morningstar Large-Cap ETF
VV
$54.3B
$705K ﹤0.01%
4,772
+464
+11% +$65.6K
SCHF icon
875
Schwab International Equity ETF
SCHF
$68.7B
$704K ﹤0.01%
41,838
-5,494
-12% -$90.4K
33 34
35
36 37

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William Blair & Company's Q4 2019 Portfolio in Review

As of Q4 2019, William Blair & Company held 1,847 positions worth $19.5B, up 12% from $17.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q4 2019 filing shows 125 new, 679 increased, 598 reduced and 120 closed positions. Its largest new stake was Dynatrace: 165,602 shares worth $4.19M. The largest sale was Celgene Corp, an estimated $25M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2019 buy was Dynatrace: 165,602 shares worth $4.19M.
  • William Blair & Company added most to Arista Networks in Q4 2019, an estimated $24M increase.
  • William Blair & Company's biggest Q4 2019 reduction was Ulta Beauty, cutting an estimated $21.8M.
  • William Blair & Company fully exited Celgene Corp in Q4 2019, selling an estimated $25M.
  • William Blair & Company's ten largest holdings make up 22% of its $19.5B portfolio in Q4 2019.
  • William Blair & Company opened 125 new positions and closed 120 in Q4 2019.
  • William Blair & Company's portfolio value rose 12% quarter-over-quarter to $19.5B.

Based on William Blair & Company's 13F filing for Q4 2019, filed 13 Feb 2020.