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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

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
PDCE
251
DELISTED
PDC Energy, Inc.
PDCE
$13.3M 0.05%
249,052
-11,960
-5% -$688K
EFA icon
252
iShares MSCI EAFE ETF
EFA
$79.9B
$13.2M 0.05%
224,894
+47,894
+27% +$2.88M
KAI icon
253
Kadant
KAI
$4B
$13.1M 0.05%
323,412
-5,936
-2% -$245K
MXL icon
254
MaxLinear
MXL
$6.26B
$13M 0.05%
883,615
-236,298
-21% -$3.56M
EGP icon
255
EastGroup Properties
EGP
$10.8B
$12.9M 0.05%
231,959
+24,945
+12% +$1.41M
LDL
256
DELISTED
Lydall, Inc.
LDL
$12.4M 0.05%
348,919
-15,484
-4% -$530K
TSLA icon
257
Tesla
TSLA
$1.31T
$12.2M 0.05%
763,680
+53,925
+8% +$807K
NXTM
258
DELISTED
NxStage Medical Inc.
NXTM
$12.1M 0.05%
553,548
-271,744
-33% -$5.06M
TTI icon
259
TETRA Technologies
TTI
$1.31B
$12.1M 0.05%
1,609,337
-83,724
-5% -$651K
IMAX icon
260
IMAX
IMAX
$2.77B
$12.1M 0.05%
340,464
+89,287
+36% +$3.35M
IL
261
DELISTED
IntraLinks Holdings Inc.
IL
$11.7M 0.05%
1,288,686
+173,207
+16% +$1.6M
CIR
262
DELISTED
CIRCOR International, Inc
CIR
$11.5M 0.05%
273,555
-15,947
-6% -$702K
ORBC
263
DELISTED
ORBCOMM, Inc.
ORBC
$11.4M 0.05%
1,578,559
+65,299
+4% +$418K
NOAH
264
Noah Holdings
NOAH
$591M
$11.4M 0.05%
408,974
+119,288
+41% +$3.47M
CAA
265
DELISTED
CalAtlantic Group, Inc.
CAA
$11.4M 0.05%
+300,999
New +$12M
AKRX
266
DELISTED
Akorn Inc
AKRX
$11.4M 0.05%
304,541
+207,742
+215% +$6.5M
MGLN
267
DELISTED
Magellan Health Services, Inc.
MGLN
$11.3M 0.05%
182,702
-8,089
-4% -$434K
CACB
268
DELISTED
Cascade Bancorp
CACB
$11M 0.04%
1,820,025
-33,323
-2% -$194K
AGG icon
269
iShares Core US Aggregate Bond ETF
AGG
$137B
$10.9M 0.04%
101,000
+1,000
+1% +$109K
SFE
270
DELISTED
Safeguard Scientifics, Inc.
SFE
$10.9M 0.04%
749,658
-13,777
-2% -$222K
GCO icon
271
Genesco
GCO
$409M
$10.7M 0.04%
188,899
-8,844
-4% -$512K
ETD icon
272
Ethan Allen Interiors
ETD
$602M
$10.6M 0.04%
382,051
-67,807
-15% -$1.89M
ICFI icon
273
ICF International
ICFI
$1.62B
$10.5M 0.04%
294,106
-1,206,683
-80% -$40.4M
BLK icon
274
Blackrock
BLK
$178B
$10.5M 0.04%
30,700
+4,800
+19% +$1.63M
ERF
275
DELISTED
Enerplus Corporation
ERF
$10.4M 0.04%
3,027,201
+1,737,553
+135% +$8.3M

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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.