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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
+7.86%
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
$28.9B
AUM Growth
+$2.01B
Cap. Flow
+$420M
Cap. Flow %
1.46%
Top 10 Hldgs %
17.78%
Holding
509
New
33
Increased
212
Reduced
167
Closed
90

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$228M
2
BN icon
Brookfield
BN
+$96.9M
3
EEFT icon
Euronet Worldwide
EEFT
+$92.3M
4
TFX icon
Teleflex
TFX
+$84.9M
5
P
Everpure Inc
P
+$79.7M

Top Sells

Rank Stock Value
1
YUMC icon
Yum China
YUMC
+$188M
2
CRL icon
Charles River Laboratories
CRL
+$188M
3
FND icon
Floor & Decor
FND
+$129M
4
TWOU
2U Inc
TWOU
+$87.5M
5
MTN icon
Vail Resorts
MTN
+$71.8M

Sector Composition

Rank Sector Weight
1 Technology 16.83%
2 Healthcare 15.47%
3 Industrials 13.49%
4 Consumer Discretionary 13%
5 Financials 12.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
LCII icon
326
LCI Industries
LCII
$2.61B
$12.2M 0.04%
147,166
+28,432
+24% +$2.66M
DIN icon
327
Dine Brands
DIN
$454M
$12M 0.04%
+147,538
New +$11.4M
FET icon
328
Forum Energy Technologies
FET
$934M
$11.8M 0.04%
56,925
-3,788
-6% -$892K
WLDN icon
329
Willdan Group
WLDN
$1.28B
$11.6M 0.04%
342,964
+50,755
+17% +$1.58M
HK
330
DELISTED
Halcon Resources Corporation
HK
$11M 0.04%
2,471,445
-185,686
-7% -$779K
BANC icon
331
Banc of California
BANC
$3.09B
$11M 0.04%
+581,592
New +$11.5M
ETSY icon
332
Etsy
ETSY
$7.29B
$10.7M 0.04%
209,119
-69,904
-25% -$3.22M
GDEN
333
DELISTED
Golden Entertainment
GDEN
$10.7M 0.04%
445,213
+66,002
+17% +$1.85M
LAD icon
334
Lithia Motors
LAD
$8.32B
$10.6M 0.04%
129,420
+52,110
+67% +$4.59M
XOG
335
DELISTED
Extraction Oil & Gas, Inc. Common Stock
XOG
$10.5M 0.04%
+928,825
New +$11.8M
LFUS icon
336
Littelfuse
LFUS
$11.5B
$10.4M 0.04%
52,648
+7,717
+17% +$1.7M
SPTN
337
DELISTED
SpartanNash
SPTN
$10.4M 0.04%
517,142
-38,835
-7% -$884K
TFIN icon
338
Triumph Financial Inc
TFIN
$1.82B
$9.97M 0.03%
260,925
+38,598
+17% +$1.6M
VEDL
339
DELISTED
Vedanta Limited American Depostary Shares (Each representing four equity shares)
VEDL
$9.42M 0.03%
736,298
+202,602
+38% +$2.57M
NWPX icon
340
NWPX Infrastructure Inc
NWPX
$1.08B
$8.55M 0.03%
432,771
-102,974
-19% -$1.95M
SLP icon
341
Simulations Plus
SLP
$370M
$8.46M 0.03%
418,609
+62,733
+18% +$1.23M
IWO icon
342
iShares Russell 2000 Growth ETF
IWO
$14.9B
$8.34M 0.03%
38,762
+4,858
+14% +$1.04M
ASPU
343
DELISTED
ASPEN GROUP, INC.
ASPU
$7.8M 0.03%
+1,146,903
New +$8.33M
XENT
344
DELISTED
Intersect ENT, Inc
XENT
$7.75M 0.03%
269,614
+40,151
+17% +$1.21M
NOAH
345
Noah Holdings
NOAH
$591M
$7.72M 0.03%
183,193
-347,346
-65% -$15.8M
FMC icon
346
FMC
FMC
$1.3B
$7.35M 0.03%
97,264
+2,153
+2% +$162K
HUYA
347
Huya Inc
HUYA
$556M
$7.22M 0.03%
306,266
+202,343
+195% +$6.02M
CRZO
348
DELISTED
Carrizo Oil & Gas Inc
CRZO
$7.13M 0.02%
282,950
+42,265
+18% +$1.09M
NVR icon
349
NVR
NVR
$17.1B
$7.01M 0.02%
2,839
-11
-0.4% -$30.4K
AX icon
350
Axos Financial
AX
$5.68B
$6.79M 0.02%
197,376
+31,274
+19% +$1.2M

Similar funds

William Blair Investment Management's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair Investment Management held 509 positions worth $28.9B, up 7.5% from $26.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management's Q3 2018 filing shows 33 new, 212 increased, 167 reduced and 90 closed positions. Its largest new stake was Rogers Communications: 4,461,925 shares worth $229M. The largest sale was Yum China, an estimated $188M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 15% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q3 2018 buy was Rogers Communications: 4,461,925 shares worth $229M.
  • William Blair Investment Management added most to Brookfield in Q3 2018, an estimated $96.9M increase.
  • William Blair Investment Management's biggest Q3 2018 reduction was Vail Resorts, cutting an estimated $71.8M.
  • William Blair Investment Management fully exited Yum China in Q3 2018, selling an estimated $188M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $28.9B portfolio in Q3 2018.
  • William Blair Investment Management opened 33 new positions and closed 90 in Q3 2018.
  • William Blair Investment Management's portfolio value rose 7.5% quarter-over-quarter to $28.9B.

Based on William Blair Investment Management's 13F filing for Q3 2018, filed 13 Nov 2018.