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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
BUD icon
526
AB InBev
BUD
$165B
$1.95M 0.01%
29,614
-12,591
-30% -$963K
IAU icon
527
iShares Gold Trust
IAU
$67.5B
$1.92M 0.01%
78,152
-1,971
-2% -$46.4K
MRSH
528
Marsh
MRSH
$91.5B
$1.92M 0.01%
24,027
+1,172
+5% +$97.7K
TLT icon
529
iShares 20+ Year Treasury Bond ETF
TLT
$41.7B
$1.91M 0.01%
15,677
-21,045
-57% -$2.44M
PDP icon
530
Invesco Dorsey Wright Momentum ETF
PDP
$1.5B
$1.9M 0.01%
+33,350
New +$1.75M
OSBC icon
531
Old Second Bancorp
OSBC
$1.3B
$1.88M 0.01%
144,510
+30,619
+27% +$433K
INGR icon
532
Ingredion
INGR
$6.58B
$1.86M 0.01%
20,353
-14,949
-42% -$1.5M
MKL icon
533
Markel Group
MKL
$23.2B
$1.86M 0.01%
1,792
+1,027
+134% +$1.12M
APC
534
DELISTED
Anadarko Petroleum
APC
$1.85M 0.01%
42,190
-4,624
-10% -$261K
GD icon
535
General Dynamics
GD
$106B
$1.85M 0.01%
11,757
+234
+2% +$41.9K
DAL icon
536
Delta Air Lines
DAL
$60.1B
$1.84M 0.01%
36,953
+4,840
+15% +$264K
SPLV icon
537
Invesco S&P 500 Low Volatility ETF
SPLV
$7.21B
$1.82M 0.01%
39,016
+17,489
+81% +$848K
AMP icon
538
Ameriprise Financial
AMP
$48.8B
$1.82M 0.01%
17,429
-2,224
-11% -$279K
RGEN icon
539
Repligen
RGEN
$9.25B
$1.82M 0.01%
34,440
-2,441
-7% -$143K
TEVA icon
540
Teva Pharmaceuticals
TEVA
$41.2B
$1.81M 0.01%
117,401
+20,836
+22% +$427K
FLG
541
Flagstar Bank National Association
FLG
$5.82B
$1.81M 0.01%
64,073
-19,782
-24% -$578K
DTD icon
542
WisdomTree US Total Dividend Fund
DTD
$1.69B
$1.8M 0.01%
42,590
+4
+0% +$182
G icon
543
Genpact
G
$5.81B
$1.8M 0.01%
66,626
-5,171
-7% -$147K
ALL icon
544
Allstate
ALL
$67.5B
$1.79M 0.01%
21,724
-1,427
-6% -$128K
INXN
545
DELISTED
Interxion Holding N.V.
INXN
$1.79M 0.01%
32,671
-74,357
-69% -$4.46M
BBY icon
546
Best Buy
BBY
$17.3B
$1.79M 0.01%
33,785
+2,928
+9% +$191K
SHY icon
547
iShares 1-3 Year Treasury Bond ETF
SHY
$25.1B
$1.79M 0.01%
21,378
+10,367
+94% +$862K
SHLX
548
DELISTED
Shell Midstream Partners, L.P.
SHLX
$1.78M 0.01%
108,722
-9,090
-8% -$180K
RDFN
549
DELISTED
Redfin
RDFN
$1.78M 0.01%
123,646
-49,230
-28% -$782K
PBPB
550
DELISTED
Potbelly
PBPB
$1.77M 0.01%
219,708
-135,706
-38% -$1.45M
20 21
22
23 24

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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.