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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
+1.51%
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
$50.6B
AUM Growth
Cap. Flow
+$50.4B
Cap. Flow %
99.68%
Top 10 Hldgs %
8.34%
Holding
1,990
New
1,988
Increased
Reduced
Closed

Top Sells

No sells this quarter

Sector Composition

Rank Sector Weight
1 Industrials 8.67%
2 Technology 6.78%
3 Consumer Discretionary 6.2%
4 Healthcare 5.82%
5 Financials 5.35%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ARC
1276
DELISTED
ARC Document Solutions, Inc.
ARC
$64K ﹤0.01%
+16,000
New +$55.1K
ANR
1277
DELISTED
Alpha Natural Resources Inc
ANR
$60K ﹤0.01%
+11,581
New +$78.7K
NEM icon
1278
CALL
Newmont
NEM
$98.7B
$59K ﹤0.01%
+2,000
New +$67.1K
CBI
1279
CALL
DELISTED
Chicago Bridge & Iron Nv
CBI
$59K ﹤0.01%
+1,000
New +$58.1K
CACH
1280
DELISTED
CACHE INC (DE)
CACH
$59K ﹤0.01%
+13,336
New +$52.2K
AMD icon
1281
Advanced Micro Devices
AMD
$776B
$58K ﹤0.01%
+14,375
New +$49.7K
SMED
1282
DELISTED
Sharps Compliance Corp
SMED
$57K ﹤0.01%
+22,000
New +$64K
TLAB
1283
DELISTED
TELLABS INC
TLAB
$56K ﹤0.01%
+28,197
New +$57.9K
IDIX
1284
DELISTED
IDENIX PHARMACEUTICALS INC
IDIX
$51K ﹤0.01%
+14,300
New +$58.5K
VTSS
1285
DELISTED
VITESSE SEMICONDUCTOR CORPORATION COMMON STOCK
VTSS
$47K ﹤0.01%
+18,000
New +$40.4K
ZGNX
1286
DELISTED
Zogenix, Inc.
ZGNX
$44K ﹤0.01%
+3,250
New +$41.6K
DRRX
1287
DELISTED
DURECT Corp
DRRX
$41K ﹤0.01%
+3,875
New +$43.1K
PFSW
1288
DELISTED
PFSweb, Inc.
PFSW
$41K ﹤0.01%
+10,194
New +$42.3K
VG
1289
DELISTED
Vonage Holdings Corporation
VG
$40K ﹤0.01%
+14,200
New +$40.3K
PQUE
1290
DELISTED
PETROQUEST ENERGY INC (DE)
PQUE
$39K ﹤0.01%
+10,000
New +$39K
NVAX icon
1291
Novavax
NVAX
$1.2B
$37K ﹤0.01%
+899
New +$39K
EGIO
1292
DELISTED
Edgio, Inc. Common Stock
EGIO
$36K ﹤0.01%
+399
New +$33.7K
CTLP
1293
DELISTED
Cantaloupe
CTLP
$35K ﹤0.01%
+20,000
New +$40.5K
HL icon
1294
Hecla Mining
HL
$9.47B
$35K ﹤0.01%
+12,149
New +$41.2K
IGOI
1295
DELISTED
IGO, INC NEW
IGOI
$32K ﹤0.01%
+13,553
New +$33.3K
MVIS icon
1296
Microvision
MVIS
$6.21M
$31K ﹤0.01%
+12,375
New +$30.2K
RBY
1297
DELISTED
RUBICON MENERALS CORP (F)
RBY
$28K ﹤0.01%
+22,000
New +$37.5K
YTEN
1298
DELISTED
Yield10 Bioscience, Inc. Common Stock
YTEN
0
EXC icon
1299
CALL
Exelon
EXC
$47.2B
$12K ﹤0.01%
+561
New +$13.6K
SCMR
1300
DELISTED
SYCAMORE NETWORKS INC NEW
SCMR
$10K ﹤0.01%
+20,500
New +$10K

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William Blair & Company's Q2 2013 Portfolio in Review

Q2 2013 is the first quarter with a 13F filing on record for William Blair & Company, which disclosed 1,990 positions worth $50.6B. Its ten largest holdings account for 8.3% of the portfolio.

Its largest position is Stericycle Inc: 4,074,645 shares worth $450M.

By sector, the portfolio is most concentrated in Industrials at 8.7% of assets, followed by Technology and Consumer Discretionary.

  • William Blair & Company's largest Q2 2013 buy was Stericycle Inc: 4,074,645 shares worth $450M.
  • William Blair & Company's ten largest holdings make up 8.3% of its $50.6B portfolio in Q2 2013.
  • William Blair & Company disclosed 1,990 positions in Q2 2013, its first 13F filing on record.

Based on William Blair & Company's 13F filing for Q2 2013, filed 7 Aug 2013.