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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
+6.74%
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
$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
WAL icon
201
Western Alliance Bancorporation
WAL
$8.89B
$19.2M 0.08%
536,043
-351,342
-40% -$12.7M
AAT
202
American Assets Trust
AAT
$1.37B
$19M 0.08%
496,686
-124,880
-20% -$5.06M
HIW icon
203
Highwoods Properties
HIW
$3.4B
$18.7M 0.08%
430,026
+32,113
+8% +$1.37M
SWX icon
204
Southwest Gas
SWX
$6.63B
$18.7M 0.08%
339,192
-92,824
-21% -$5.3M
EPR icon
205
EPR Properties
EPR
$4.58B
$18.7M 0.08%
319,945
-12,981
-4% -$725K
TILE icon
206
Interface
TILE
$2.24B
$18.6M 0.08%
970,386
-44,183
-4% -$912K
MELI icon
207
Mercado Libre
MELI
$98.4B
$18.5M 0.08%
161,972
+37,546
+30% +$4.13M
EWX icon
208
State Street SPDR S&P Emerging Markets Small Cap ETF
EWX
$693M
$18.4M 0.07%
486,900
-355,700
-42% -$13.8M
FAF icon
209
First American
FAF
$7.32B
$18.3M 0.07%
508,784
-23,987
-5% -$916K
NBIS
210
Nebius Group N.V.
NBIS
$49.1B
$18M 0.07%
+1,146,883
New +$17.2M
IBKC
211
DELISTED
IBERIABANK Corp
IBKC
$17.9M 0.07%
324,704
-13,781
-4% -$823K
XLE icon
212
State Street Energy Select Sector SPDR ETF
XLE
$39.8B
$17.8M 0.07%
591,400
-596,800
-50% -$19.6M
POR icon
213
Portland General Electric
POR
$5.69B
$17.8M 0.07%
489,767
-104,700
-18% -$3.86M
YDKN
214
DELISTED
Yadkin Financial Corporation
YDKN
$17.8M 0.07%
707,000
-370,522
-34% -$9M
MRD
215
DELISTED
MEMORIAL RESOURCE DEV CORP COM STK (DE)
MRD
$17.5M 0.07%
1,083,618
+406,537
+60% +$6.79M
SXT icon
216
Sensient Technologies
SXT
$5.61B
$17.4M 0.07%
277,528
-11,816
-4% -$762K
HOMB icon
217
Home BancShares
HOMB
$6.2B
$17.3M 0.07%
854,444
-584,584
-41% -$12.5M
TAL icon
218
TAL Education Group
TAL
$6.75B
$17.2M 0.07%
2,217,174
+267,072
+14% +$1.82M
AVNT icon
219
Avient
AVNT
$4.17B
$17.1M 0.07%
539,041
-27,232
-5% -$910K
SBUX icon
220
Starbucks
SBUX
$122B
$17.1M 0.07%
284,818
-30,911
-10% -$1.88M
RDN icon
221
Radian Group
RDN
$4.86B
$17.1M 0.07%
1,274,814
-55,400
-4% -$812K
PRAA icon
222
PRA Group
PRAA
$706M
$17M 0.07%
490,319
+21,156
+5% +$946K
LFUS icon
223
Littelfuse
LFUS
$11.5B
$17M 0.07%
158,847
-24,746
-13% -$2.55M
CNMD icon
224
CONMED
CNMD
$1.48B
$17M 0.07%
385,416
-13,942
-3% -$605K
CW icon
225
Curtiss-Wright
CW
$26.1B
$16.9M 0.07%
246,222
-10,434
-4% -$711K

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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.