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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
-13.3%
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
$13.7B
AUM Growth
-$2.6B
Cap. Flow
-$222M
Cap. Flow %
-1.61%
Top 10 Hldgs %
20.6%
Holding
1,859
New
191
Increased
555
Reduced
650
Closed
205

Top Buys

Rank Stock Value
1
LIN icon
Linde
LIN
+$55.6M
2
EFA icon
iShares MSCI EAFE ETF
EFA
+$22.8M
3
ULTA icon
Ulta Beauty
ULTA
+$22.1M
4
INTU icon
Intuit
INTU
+$22M
5
DIS icon
Walt Disney
DIS
+$21.1M

Top Sells

Rank Stock Value
1
PX
Praxair Inc
PX
+$73.7M
2
RHT
Red Hat Inc
RHT
+$46M
3
ESRX
Express Scripts Holding Company
ESRX
+$45.8M
4
META icon
Meta Platforms (Facebook)
META
+$32.9M
5
P
Everpure Inc
P
+$31.5M

Sector Composition

Rank Sector Weight
1 Technology 20.75%
2 Healthcare 18.42%
3 Financials 12.76%
4 Consumer Discretionary 9.45%
5 Industrials 9.06%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
XLNX
276
DELISTED
Xilinx Inc
XLNX
$7.1M 0.05%
83,391
-5,773
-6% -$483K
IRDM icon
277
Iridium Communications
IRDM
$5.29B
$7.03M 0.05%
381,126
-106,889
-22% -$2.19M
RAMP icon
278
LiveRamp
RAMP
$2.3B
$7.02M 0.05%
181,708
+1,843
+1% +$83.5K
TECH icon
279
Bio-Techne
TECH
$11.3B
$7M 0.05%
193,540
+5,668
+3% +$237K
NKTR icon
280
Nektar Therapeutics
NKTR
$2.58B
$6.96M 0.05%
14,113
+657
+5% +$397K
USMV icon
281
iShares MSCI USA Min Vol Factor ETF
USMV
$24.2B
$6.9M 0.05%
131,710
+4,678
+4% +$257K
FDX icon
282
FedEx
FDX
$75.4B
$6.9M 0.05%
42,757
-3,203
-7% -$677K
TEL icon
283
TE Connectivity
TEL
$62.6B
$6.89M 0.05%
91,170
-4,664
-5% -$359K
BND icon
284
Vanguard Total Bond Market
BND
$158B
$6.82M 0.05%
86,096
+26,322
+44% +$2.06M
BMRN icon
285
BioMarin Pharmaceuticals
BMRN
$12.4B
$6.77M 0.05%
79,469
+141
+0.2% +$13.4K
ITA icon
286
iShares US Aerospace & Defense ETF
ITA
$14.7B
$6.77M 0.05%
78,278
+296
+0.4% +$28.5K
ROP icon
287
Roper Technologies
ROP
$39.8B
$6.71M 0.05%
25,184
+757
+3% +$214K
AKAM icon
288
Akamai
AKAM
$15.9B
$6.7M 0.05%
109,710
-34,688
-24% -$2.31M
MRCC
289
DELISTED
Monroe Capital Corp
MRCC
$6.69M 0.05%
696,425
-169,619
-20% -$1.98M
KSS icon
290
Kohl's
KSS
$2.19B
$6.68M 0.05%
100,746
+508
+0.5% +$35.7K
SHW icon
291
Sherwin-Williams
SHW
$89.8B
$6.45M 0.05%
49,161
-4,011
-8% -$541K
XLF icon
292
State Street Financial Select Sector SPDR ETF
XLF
$58.2B
$6.38M 0.05%
267,790
-24,595
-8% -$639K
CLX icon
293
Clorox
CLX
$12.7B
$6.32M 0.05%
40,999
+2,701
+7% +$421K
IWB icon
294
iShares Russell 1000 ETF
IWB
$50.1B
$6.32M 0.05%
45,548
-689
-1% -$103K
ROK icon
295
Rockwell Automation
ROK
$49B
$6.26M 0.05%
41,596
-4,077
-9% -$680K
III icon
296
Information Services Group
III
$251M
$6.23M 0.05%
1,470,284
+30,400
+2% +$128K
SPAB icon
297
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.77B
$6.23M 0.05%
106,144
+26,406
+33% +$726K
GLD icon
298
SPDR Gold Trust
GLD
$141B
$6.2M 0.05%
51,167
-1,513
-3% -$176K
NVDA icon
299
NVIDIA
NVDA
$5.42T
$6.2M 0.05%
1,856,600
-4,384,240
-70% -$21M
AIRG icon
300
Airgain
AIRG
$72.4M
$6.09M 0.04%
614,212
+829
+0.1% +$10.1K
10 11
12
13 14

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William Blair & Company's Q4 2018 Portfolio in Review

As of Q4 2018, William Blair & Company held 1,859 positions worth $13.7B, down 16% from $16.3B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q4 2018 filing shows 191 new, 555 increased, 650 reduced and 205 closed positions. Its largest new stake was Linde: 352,000 shares worth $54.9M. The largest sale was Praxair Inc, an estimated $73.7M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2018 buy was Linde: 352,000 shares worth $54.9M.
  • William Blair & Company added most to iShares MSCI EAFE ETF in Q4 2018, an estimated $22.8M increase.
  • William Blair & Company's biggest Q4 2018 reduction was Red Hat Inc, cutting an estimated $46M.
  • William Blair & Company fully exited Praxair Inc in Q4 2018, selling an estimated $73.7M.
  • William Blair & Company's ten largest holdings make up 21% of its $13.7B portfolio in Q4 2018.
  • William Blair & Company opened 191 new positions and closed 205 in Q4 2018.
  • William Blair & Company's portfolio value fell 16% quarter-over-quarter to $13.7B.

Based on William Blair & Company's 13F filing for Q4 2018, filed 14 Feb 2019.