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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
+8.82%
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
$27.9B
AUM Growth
+$434M
Cap. Flow
-$1.39B
Cap. Flow %
-4.97%
Top 10 Hldgs %
16.81%
Holding
485
New
38
Increased
170
Reduced
217
Closed
52

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$124M
2
WEX icon
WEX
WEX
+$108M
3
DXCM icon
DexCom
DXCM
+$100M
4
TSM icon
TSMC
TSM
+$99.8M
5
YELP icon
Yelp
YELP
+$93.8M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.32%
2 Industrials 13.97%
3 Financials 13.47%
4 Technology 12.68%
5 Healthcare 12.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
EW icon
276
Edwards Lifesciences
EW
$53B
$17.4M 0.06%
478,386
-6,558
-1% -$250K
ERF
277
DELISTED
Enerplus Corporation
ERF
$17.3M 0.06%
1,753,780
+652,093
+59% +$5.8M
CRS icon
278
Carpenter Technology
CRS
$27.8B
$17.2M 0.06%
358,278
-656
-0.2% -$26.3K
SUPV
279
Grupo Supervielle
SUPV
$742M
$17.1M 0.06%
691,450
+628,357
+996% +$12.3M
CVBF icon
280
CVB Financial
CVBF
$3.97B
$17M 0.06%
703,695
-1,472
-0.2% -$31.7K
CASH icon
281
Pathward Financial
CASH
$1.81B
$16.9M 0.06%
645,819
+356,553
+123% +$9.21M
SLGN icon
282
Silgan Holdings
SLGN
$4.35B
$16.1M 0.06%
546,551
-1,166
-0.2% -$35.4K
PXD
283
DELISTED
Pioneer Natural Resource Co.
PXD
$16.1M 0.06%
108,876
-1,417
-1% -$204K
LUV icon
284
Southwest Airlines
LUV
$22B
$16M 0.06%
+286,035
New +$16.1M
GGAL icon
285
Galicia Financial Group
GGAL
$7.46B
$16M 0.06%
310,080
-142,390
-31% -$6.09M
SPTN
286
DELISTED
SpartanNash
SPTN
$15.8M 0.06%
600,499
-1,255
-0.2% -$32.3K
RRC icon
287
Range Resources
RRC
$9.41B
$15.2M 0.05%
+775,500
New +$15M
NPKI
288
NPK International
NPKI
$1.15B
$15M 0.05%
1,503,725
+821,630
+120% +$6.72M
HLF icon
289
Herbalife
HLF
$1.21B
$15M 0.05%
442,350
+13,706
+3% +$469K
PLOW icon
290
Douglas Dynamics
PLOW
$984M
$14.9M 0.05%
377,278
+29,851
+9% +$1.02M
CBB
291
DELISTED
Cincinnati Bell Inc.
CBB
$14.6M 0.05%
736,652
+98,906
+16% +$1.95M
GDEN
292
DELISTED
Golden Entertainment
GDEN
$14.6M 0.05%
597,195
+25,976
+5% +$571K
THRM icon
293
Gentherm
THRM
$1.27B
$14.3M 0.05%
385,889
+76,687
+25% +$2.62M
SHPG
294
DELISTED
Shire pic
SHPG
$14.2M 0.05%
92,554
-1,257
-1% -$197K
BLBD icon
295
Blue Bird Corp
BLBD
$2.07B
$13.8M 0.05%
667,563
+185,955
+39% +$3.34M
NWPX icon
296
NWPX Infrastructure Inc
NWPX
$1.1B
$13.7M 0.05%
721,626
-1,507
-0.2% -$25.1K
LHCG
297
DELISTED
LHC Group LLC
LHCG
$13.4M 0.05%
189,097
-15,632
-8% -$1M
VRNS icon
298
Varonis Systems
VRNS
$4.87B
$13.2M 0.05%
945,777
+40,362
+4% +$521K
ALOG
299
DELISTED
Analogic Corp
ALOG
$13.1M 0.05%
156,496
-4,501
-3% -$328K
RP
300
DELISTED
RealPage, Inc.
RP
$12.9M 0.05%
324,240
+14,714
+5% +$586K

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William Blair Investment Management's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair Investment Management held 485 positions worth $27.9B, up 1.6% from $27.5B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management withdrew a net $1.39B in Q3 2017, closing 52 positions and reducing 217 holdings. Its most notable exit was Amedisys, an estimated $91.9M position sold in full.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, down from 16% a quarter earlier, followed by Industrials and Financials.

Against the trend, William Blair Investment Management opened a new position in Rogers Communications worth $125M.

  • William Blair Investment Management's largest Q3 2017 buy was Rogers Communications: 2,429,600 shares worth $125M.
  • William Blair Investment Management added most to TSMC in Q3 2017, an estimated $99.8M increase.
  • William Blair Investment Management's biggest Q3 2017 reduction was O'Reilly Automotive, cutting an estimated $155M.
  • William Blair Investment Management fully exited Amedisys in Q3 2017, selling an estimated $91.9M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $27.9B portfolio in Q3 2017.
  • William Blair Investment Management opened 38 new positions and closed 52 in Q3 2017.
  • William Blair Investment Management's portfolio value rose 1.6% quarter-over-quarter to $27.9B.

Based on William Blair Investment Management's 13F filing for Q3 2017, filed 13 Nov 2017.