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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+19.2%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$23.8B
AUM Growth
+$3.63B
Cap. Flow
+$288M
Cap. Flow %
1.21%
Top 10 Hldgs %
20.04%
Holding
441
New
37
Increased
142
Reduced
223
Closed
35

Sector Composition

Rank Sector Weight
1 Technology 17.21%
2 Consumer Discretionary 14.5%
3 Healthcare 14.2%
4 Industrials 13.82%
5 Financials 13.22%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
WW
326
DELISTED
WW International
WW
$8.04M 0.03%
398,959
-2,136,865
-84% -$59M
DEO icon
327
Diageo
DEO
$52.8B
$8M 0.03%
48,880
-1,245
-2% -$190K
SPTN
328
DELISTED
SpartanNash
SPTN
$8M 0.03%
503,833
-20,808
-4% -$399K
ETSY icon
329
Etsy
ETSY
$7.29B
$7.93M 0.03%
117,970
-104,772
-47% -$6.25M
TILE icon
330
Interface
TILE
$2.24B
$7.86M 0.03%
513,122
-221,700
-30% -$3.63M
NVR icon
331
NVR
NVR
$17.1B
$7.84M 0.03%
2,832
-7
-0.2% -$18.4K
ASPU
332
DELISTED
ASPEN GROUP, INC.
ASPU
$7.07M 0.03%
1,326,961
+106,463
+9% +$532K
SAP icon
333
SAP
SAP
$242B
$6.68M 0.03%
57,866
+11,614
+25% +$1.24M
HALO icon
334
Halozyme
HALO
$11.6B
$6.52M 0.03%
+404,924
New +$6.56M
AZN icon
335
AstraZeneca
AZN
$246B
$6.24M 0.03%
77,193
-20,419
-21% -$1.61M
BVN icon
336
Compañía de Minas Buenaventura
BVN
$8.84B
$6.08M 0.03%
+352,050
New +$5.75M
RDS.A
337
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
$6.02M 0.03%
96,233
+18,075
+23% +$1.12M
VRRM icon
338
Verra Mobility
VRRM
$726M
$5.91M 0.02%
+496,626
New +$5.14M
MGA icon
339
Magna International
MGA
$18.8B
$5.8M 0.02%
119,078
+16,205
+16% +$817K
FET icon
340
Forum Energy Technologies
FET
$934M
$5.34M 0.02%
52,213
-6,080
-10% -$669K
ACC
341
DELISTED
American Campus Communities, Inc.
ACC
$5.29M 0.02%
111,174
-44,478
-29% -$2M
NXPI icon
342
NXP Semiconductors
NXPI
$59.6B
$5.23M 0.02%
59,166
+27,139
+85% +$2.38M
NVS icon
343
Novartis
NVS
$294B
$4.72M 0.02%
54,835
+12,756
+30% +$1.02M
MMYT icon
344
MakeMyTrip
MMYT
$5.78B
$4.54M 0.02%
164,537
-121
-0.1% -$3.3K
PUK icon
345
Prudential
PUK
$34B
$4.39M 0.02%
112,492
-14,622
-12% -$565K
SBNY
346
DELISTED
Signature Bank
SBNY
$4.38M 0.02%
34,224
+360
+1% +$45.8K
DEI icon
347
Douglas Emmett
DEI
$1.92B
$4.34M 0.02%
107,407
-15,612
-13% -$594K
DCI icon
348
Donaldson
DCI
$11.2B
$4.08M 0.02%
81,478
-6,232
-7% -$301K
FMC icon
349
FMC
FMC
$1.3B
$3.98M 0.02%
51,782
-16,822
-25% -$1.23M
GSK icon
350
GSK
GSK
$102B
$3.88M 0.02%
74,378
+17,912
+32% +$895K

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William Blair Investment Management's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair Investment Management held 441 positions worth $23.8B, up 18% from $20.1B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair Investment Management's Q1 2019 filing shows 37 new, 142 increased, 223 reduced and 35 closed positions. Its largest new stake was Steris: 803,400 shares worth $103M. The largest sale was Six Flags Entertainment Corp., an estimated $151M.

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

  • William Blair Investment Management's largest Q1 2019 buy was Steris: 803,400 shares worth $103M.
  • William Blair Investment Management added most to Check Point Software Technologies in Q1 2019, an estimated $181M increase.
  • William Blair Investment Management's biggest Q1 2019 reduction was WW International, cutting an estimated $59M.
  • William Blair Investment Management fully exited Six Flags Entertainment Corp. in Q1 2019, selling an estimated $151M.
  • William Blair Investment Management's ten largest holdings make up 20% of its $23.8B portfolio in Q1 2019.
  • William Blair Investment Management opened 37 new positions and closed 35 in Q1 2019.
  • William Blair Investment Management's portfolio value rose 18% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q1 2019, filed 10 May 2019.