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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+0.61%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$66.9B
AUM Growth
+$1.9B
Cap. Flow
+$1.98B
Cap. Flow %
2.96%
Top 10 Hldgs %
6.71%
Holding
2,412
New
252
Increased
857
Reduced
879
Closed
200

Sector Composition

Rank Sector Weight
1 Healthcare 7.37%
2 Industrials 7.1%
3 Financials 6.37%
4 Consumer Discretionary 6.33%
5 Technology 6.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
IEMG icon
426
iShares Core MSCI Emerging Markets ETF
IEMG
$152B
$10.6M 0.02%
220,208
+250
+0.1% +$12.7K
JBTM
427
JBT Marel
JBTM
$7.41B
$10.5M 0.02%
279,786
-89,733
-24% -$3.31M
LDL
428
DELISTED
Lydall, Inc.
LDL
$10.5M 0.02%
353,686
+102,580
+41% +$2.97M
TNGO
429
DELISTED
Tangoe, Inc.
TNGO
$10.3M 0.02%
815,064
-703,940
-46% -$9.46M
ETP
430
DELISTED
Energy Transfer Partners L.p.
ETP
$10.2M 0.02%
195,235
+45,025
+30% +$2.51M
CBM
431
DELISTED
Cambrex Corporation
CBM
$10.2M 0.02%
231,412
+220,897
+2,101% +$9.15M
SCOR icon
432
Comscore
SCOR
$108M
$10.1M 0.02%
9,516
+3,135
+49% +$3.38M
NVDQ
433
DELISTED
Novadaq Technologies Inc.
NVDQ
$10M 0.02%
826,570
+114,865
+16% +$1.37M
REI icon
434
Ring Energy
REI
$320M
$9.9M 0.01%
884,353
+508,919
+136% +$5.99M
BAC icon
435
Bank of America
BAC
$438B
$9.54M 0.01%
560,463
-14,149
-2% -$233K
USB icon
436
US Bancorp
USB
$99.6B
$9.51M 0.01%
219,200
-2,463
-1% -$108K
ETP
437
DELISTED
Energy Transfer Partners, L.P.
ETP
$9.5M 0.01%
249,841
+4,705
+2% +$192K
SWC
438
DELISTED
Stillwater Mining Co
SWC
$9.49M 0.01%
818,461
-1,947
-0.2% -$26.3K
IWO icon
439
iShares Russell 2000 Growth ETF
IWO
$14.6B
$9.46M 0.01%
61,219
-101,836
-62% -$15.6M
VIRT icon
440
Virtu Financial
VIRT
$5.12B
$9.42M 0.01%
+401,066
New +$9.03M
RGEN icon
441
Repligen
RGEN
$8.3B
$9.36M 0.01%
226,730
-140,663
-38% -$5.15M
NWPX icon
442
NWPX Infrastructure Inc
NWPX
$1.23B
$9.32M 0.01%
457,795
+90,110
+25% +$2.01M
BNY
443
Bank of New York Mellon
BNY
$106B
$9.3M 0.01%
221,565
-5,258
-2% -$224K
CVGW
444
DELISTED
Calavo Growers
CVGW
$9.28M 0.01%
+178,600
New +$9.3M
NBHC icon
445
National Bank Holdings
NBHC
$1.92B
$8.99M 0.01%
431,484
+37,714
+10% +$734K
TJX icon
446
TJX Companies
TJX
$174B
$8.98M 0.01%
271,610
-58,578
-18% -$1.95M
IGIB icon
447
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.5B
$8.94M 0.01%
164,200
+13,400
+9% +$736K
UNFI icon
448
United Natural Foods
UNFI
$2.87B
$8.91M 0.01%
+140,005
New +$9.48M
ETN icon
449
Eaton
ETN
$170B
$8.88M 0.01%
131,559
+100,819
+328% +$7.12M
CME icon
450
CME Group
CME
$95.7B
$8.79M 0.01%
94,501
-13,821
-13% -$1.29M

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William Blair & Company's Q2 2015 Portfolio in Review

As of Q2 2015, William Blair & Company held 2,412 positions worth $66.9B, up 2.9% from $65B the previous quarter. Its ten largest holdings account for 6.7% of the portfolio.

William Blair & Company's Q2 2015 filing shows 252 new, 857 increased, 879 reduced and 200 closed positions. Its largest new stake was FirstService: 2,731,551 shares worth $75.9M. The largest sale was Cognizant, an estimated $154M.

By sector, the portfolio is most concentrated in Healthcare at 7.4% of assets, down from 7.5% a quarter earlier, followed by Industrials and Financials.

  • William Blair & Company's largest Q2 2015 buy was FirstService: 2,731,551 shares worth $75.9M.
  • William Blair & Company added most to Brunswick in Q2 2015, an estimated $132M increase.
  • William Blair & Company's biggest Q2 2015 reduction was Cognizant, cutting an estimated $154M.
  • William Blair & Company fully exited Sprouts Farmers Market in Q2 2015, selling an estimated $84M.
  • William Blair & Company's ten largest holdings make up 6.7% of its $66.9B portfolio in Q2 2015.
  • William Blair & Company opened 252 new positions and closed 200 in Q2 2015.
  • William Blair & Company's portfolio value rose 2.9% quarter-over-quarter to $66.9B.

Based on William Blair & Company's 13F filing for Q2 2015, filed 3 Aug 2015.