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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
+6.74%
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
$24.7B
AUM Growth
-$24.3B
Cap. Flow
-$25.2B
Cap. Flow %
-102.22%
Top 10 Hldgs %
14.96%
Holding
1,115
New
48
Increased
227
Reduced
160
Closed
671

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$273M
2
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$225M
3
BIDU icon
Baidu
BIDU
+$204M
4
TSM icon
TSMC
TSM
+$193M
5
NWL icon
Newell Brands
NWL
+$182M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$210M
2
GMCR
KEURIG GREEN MTN INC
GMCR
+$118M
3
ANSS
Ansys
ANSS
+$97.7M
4
CNQ icon
Canadian Natural Resources
CNQ
+$96M
5
RHI icon
Robert Half
RHI
+$94.5M

Sector Composition

Rank Sector Weight
1 Healthcare 13.37%
2 Financials 12.97%
3 Consumer Discretionary 12.77%
4 Industrials 11.86%
5 Technology 11.78%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ULTI
276
DELISTED
Ultimate Software Group Inc
ULTI
$10.3M 0.04%
52,612
+1,875
+4% +$367K
FCN icon
277
FTI Consulting
FCN
$4.22B
$10.2M 0.04%
293,784
+158,941
+118% +$6.11M
DAN icon
278
Dana Inc
DAN
$3.27B
$10.1M 0.04%
734,189
-28,977
-4% -$457K
NBHC icon
279
National Bank Holdings
NBHC
$1.92B
$9.97M 0.04%
466,705
-8,538
-2% -$185K
OSIS icon
280
OSI Systems
OSIS
$3.84B
$9.9M 0.04%
111,660
-39,935
-26% -$3.49M
RPXC
281
DELISTED
RPX Corporation
RPXC
$9.89M 0.04%
899,322
-1,060,089
-54% -$14.4M
CPK icon
282
Chesapeake Utilities
CPK
$3.22B
$9.82M 0.04%
+173,090
New +$9.28M
WWW icon
283
Wolverine World Wide
WWW
$1.49B
$9.68M 0.04%
579,065
-25,284
-4% -$475K
EWZ icon
284
iShares MSCI Brazil ETF
EWZ
$8.6B
$9.61M 0.04%
464,879
-4,900
-1% -$114K
HDP
285
DELISTED
Hortonworks, Inc.
HDP
$9.51M 0.04%
434,277
+283,949
+189% +$5.57M
DAR icon
286
Darling Ingredients
DAR
$9.84B
$9.51M 0.04%
903,916
-33,940
-4% -$354K
IEF icon
287
iShares 7-10 Year Treasury Bond ETF
IEF
$47.1B
$9.45M 0.04%
89,500
+7,600
+9% +$810K
HDSN
288
Hudson Technologies
HDSN
$233M
$9.03M 0.04%
3,041,164
+40,966
+1% +$127K
BPFH
289
DELISTED
Boston Private Financial Holdings, Inc.
BPFH
$9M 0.04%
793,384
-31,786
-4% -$370K
TRIB
290
Trinity Biotech
TRIB
$9.03M
$8.86M 0.04%
5,024
+212
+4% +$375K
EWT icon
291
iShares MSCI Taiwan ETF
EWT
$11.2B
$8.75M 0.04%
342,533
+80,000
+30% +$2.19M
FC icon
292
Franklin Covey
FC
$235M
$8.71M 0.04%
520,410
+22,827
+5% +$364K
GPX
293
DELISTED
GP Strategies Corp.
GPX
$8.57M 0.03%
341,473
+85,959
+34% +$2.21M
ATRC icon
294
AtriCure
ATRC
$2.18B
$8.54M 0.03%
+380,408
New +$7.84M
EQC
295
DELISTED
Equity Commonwealth
EQC
$8.4M 0.03%
+303,080
New +$8.49M
PRTS icon
296
CarParts.com
PRTS
$51.3M
$8.33M 0.03%
282,399
+3,582
+1% +$84.8K
EXTN
297
DELISTED
Exterran Corporation
EXTN
$8.06M 0.03%
+502,437
New +$7.92M
ZLTQ
298
DELISTED
ZELTIQ Aesthetics, Inc.
ZLTQ
$8.01M 0.03%
280,756
+60,427
+27% +$1.91M
RELX icon
299
RELX
RELX
$61.7B
$7.78M 0.03%
436,543
+212,053
+94% +$3.78M
CAI
300
DELISTED
CAI International, Inc.
CAI
$7.76M 0.03%
769,616
+33,540
+5% +$358K
10 11
12
13 14

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William Blair Investment Management's Q4 2015 Portfolio in Review

As of Q4 2015, William Blair Investment Management held 1,115 positions worth $24.7B, down 50% from $49B the previous quarter. Its ten largest holdings account for 15% of the portfolio.

William Blair Investment Management withdrew a net $25.2B in Q4 2015, closing 671 positions and reducing 160 holdings. Its most notable exit was KEURIG GREEN MTN INC, an estimated $118M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 13% of assets, up from 5.3% a quarter earlier, followed by Financials and Consumer Discretionary.

Against the trend, William Blair Investment Management opened a new position in Alphabet (Google) Class A worth $287M.

  • William Blair Investment Management's largest Q4 2015 buy was Alphabet (Google) Class A: 7,377,340 shares worth $287M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q4 2015, an estimated $225M increase.
  • William Blair Investment Management's biggest Q4 2015 reduction was Alphabet (Google) Class C, cutting an estimated $210M.
  • William Blair Investment Management fully exited KEURIG GREEN MTN INC in Q4 2015, selling an estimated $118M.
  • William Blair Investment Management's ten largest holdings make up 15% of its $24.7B portfolio in Q4 2015.
  • William Blair Investment Management opened 48 new positions and closed 671 in Q4 2015.
  • William Blair Investment Management's portfolio value fell 50% quarter-over-quarter to $24.7B.

Based on William Blair Investment Management's 13F filing for Q4 2015, filed 16 Feb 2016.