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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 33.75%
This Fund
S&P 500
This Quarter Est. Return
-14.81%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+788.31%
AUM
$20.1B
AUM Growth
-$8.75B
Cap. Flow
-$4.18B
Cap. Flow %
-20.77%
Top 10 Hldgs %
19.04%
Holding
450
New
31
Increased
192
Reduced
174
Closed
46

Top Buys

Rank Stock Value
1
CNI icon
Canadian National Railway
CNI
+$128M
2
WW
WW International
WW
+$107M
3
INGN icon
Inogen
INGN
+$106M
4
TREX icon
Trex
TREX
+$106M
5
SABR icon
Sabre
SABR
+$95.3M

Top Sells

Rank Stock Value
1
SU icon
Suncor Energy
SU
+$195M
2
HXL icon
Hexcel
HXL
+$187M
3
TYL icon
Tyler Technologies
TYL
+$154M
4
SIX
Six Flags Entertainment Corp.
SIX
+$134M
5
MSFT icon
Microsoft
MSFT
+$118M

Sector Composition

Rank Sector Weight
1 Technology 16.34%
2 Healthcare 14.5%
3 Financials 13.62%
4 Consumer Discretionary 13.1%
5 Industrials 12.65%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IWF icon
401
iShares Russell 1000 Growth ETF
IWF
$127B
$183K ﹤0.01%
+5,580
New +$197K
ELD icon
402
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$64K ﹤0.01%
1,900
– –
EMB icon
403
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.9B
$62K ﹤0.01%
600
– –
IWO icon
404
iShares Russell 2000 Growth ETF
IWO
$14.9B
$56K ﹤0.01%
335
-38,427
-99% -$7.17M
ADI icon
405
Analog Devices
ADI
$188B
– –
-455,452
Closed -$42.1M
AX icon
406
Axos Financial
AX
$5.68B
– –
-197,376
Closed -$6.79M
BHP icon
407
BHP
BHP
$229B
– –
-88,273
Closed -$3.92M
BXC icon
408
BlueLinx
BXC
$706M
– –
-129,488
Closed -$4.08M
BZUN
409
Baozun
BZUN
$169M
– –
-1,018,194
Closed -$49.5M
CPRI icon
410
Capri Holdings
CPRI
$1.77B
– –
-14,355
Closed -$984K
CSL icon
411
Carlisle Companies
CSL
$15.5B
– –
-8,124
Closed -$990K
CXT icon
412
Crane NXT
CXT
$2.95B
– –
-30,604
Closed -$1.04M
EQNR icon
413
Equinor
EQNR
$97.2B
– –
-93,204
Closed -$2.63M
GDEN
414
DELISTED
Golden Entertainment
GDEN
– –
-445,213
Closed -$10.7M
GNTX icon
415
Gentex
GNTX
$5.04B
– –
-47,193
Closed -$1.01M
HAL icon
416
Halliburton
HAL
$28.2B
– –
-463,509
Closed -$18.8M
HUYA
417
Huya Inc
HUYA
$556M
– –
-306,266
Closed -$7.22M
HXL icon
418
Hexcel
HXL
$7.6B
– –
-2,793,700
Closed -$187M
IWN icon
419
iShares Russell 2000 Value ETF
IWN
$14.6B
– –
-378
Closed -$50K
IWP icon
420
iShares Russell Mid-Cap Growth ETF
IWP
$20.8B
– –
-6,960
Closed -$472K
KNX icon
421
Knight Transportation
KNX
$11.2B
– –
-27,574
Closed -$951K
LCII icon
422
LCI Industries
LCII
$2.61B
– –
-147,166
Closed -$12.2M
MHK icon
423
Mohawk Industries
MHK
$9.26B
– –
-181,878
Closed -$31.9M
MOMO
424
Hello Group
MOMO
$861M
– –
-518,102
Closed -$22.7M
NWPX icon
425
NWPX Infrastructure Inc
NWPX
$1.08B
– –
-432,771
Closed -$8.55M
14 15 16
17
18

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William Blair Investment Management's Q4 2018 Portfolio in Review

As of Q4 2018, William Blair Investment Management held 450 positions worth $20.1B, down 30% from $28.9B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management withdrew a net $4.18B in Q4 2018, closing 46 positions and reducing 174 holdings. Its most notable exit was Hexcel, an estimated $187M position sold in full.

By sector, the portfolio is most concentrated in Technology at 16% of assets, down from 17% a quarter earlier, followed by Healthcare and Financials.

Against the trend, William Blair Investment Management opened a new position in Inogen worth $80.2M.

  • William Blair Investment Management's largest Q4 2018 buy was Inogen: 646,263 shares worth $80.2M.
  • William Blair Investment Management added most to Canadian National Railway in Q4 2018, an estimated $128M increase.
  • William Blair Investment Management's biggest Q4 2018 reduction was Suncor Energy, cutting an estimated $195M.
  • William Blair Investment Management fully exited Hexcel in Q4 2018, selling an estimated $187M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $20.1B portfolio in Q4 2018.
  • William Blair Investment Management opened 31 new positions and closed 46 in Q4 2018.
  • William Blair Investment Management's portfolio value fell 30% quarter-over-quarter to $20.1B.

Based on William Blair Investment Management's 13F filing for Q4 2018, filed 13 Feb 2019.