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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
+23.04%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$306M
Cap. Flow %
1.86%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
754
Reduced
490
Closed
65

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$65.4M
2
P
Everpure Inc
P
+$35.3M
3
PYPL icon
PayPal
PYPL
+$30.4M
4
BA icon
Boeing
BA
+$28.3M
5
TWLO icon
Twilio
TWLO
+$24.2M

Sector Composition

Rank Sector Weight
1 Technology 22.65%
2 Healthcare 17.38%
3 Financials 12.48%
4 Consumer Discretionary 9.87%
5 Industrials 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
FBIN icon
626
Fortune Brands Innovations
FBIN
$6.06B
$1.53M 0.01%
37,511
+321
+0.9% +$12.3K
IJJ icon
627
iShares S&P Mid-Cap 400 Value ETF
IJJ
$8.97B
$1.52M 0.01%
19,434
+2,064
+12% +$160K
CSX icon
628
CSX Corp
CSX
$93.1B
$1.52M 0.01%
61,107
+10,695
+21% +$248K
TEVA icon
629
Teva Pharmaceuticals
TEVA
$41.2B
$1.5M 0.01%
95,458
-21,943
-19% -$387K
PETQ
630
DELISTED
PetIQ, Inc. Class A Common Stock
PETQ
$1.49M 0.01%
47,570
+25
+0.1% +$706
SWK icon
631
Stanley Black & Decker
SWK
$15.7B
$1.49M 0.01%
10,944
+566
+5% +$73.8K
ESI icon
632
Element Solutions
ESI
$9.23B
$1.49M 0.01%
147,175
-8,065
-5% -$89.4K
OAK
633
DELISTED
OAKTREE CAPITAL GROUP, LLC
OAK
$1.49M 0.01%
29,916
-5,695
-16% -$247K
VTWO icon
634
Vanguard Russell 2000 ETF
VTWO
$17.9B
$1.47M 0.01%
23,908
-2,416
-9% -$146K
CDW icon
635
CDW
CDW
$17B
$1.46M 0.01%
15,128
+272
+2% +$24.3K
BNY
636
Bank of New York Mellon
BNY
$107B
$1.46M 0.01%
28,851
-1,137
-4% -$58.6K
HUM icon
637
Humana
HUM
$46.2B
$1.44M 0.01%
5,417
-148
-3% -$42.6K
IEF icon
638
iShares 7-10 Year Treasury Bond ETF
IEF
$47.3B
$1.44M 0.01%
13,472
-537
-4% -$56.2K
HRL icon
639
Hormel Foods
HRL
$13.8B
$1.43M 0.01%
32,029
+768
+2% +$32.9K
USIG icon
640
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.3B
$1.42M 0.01%
13,216
+2,442
+23% +$132K
WU icon
641
Western Union
WU
$2.21B
$1.42M 0.01%
76,849
-2,378
-3% -$42.8K
PODD icon
642
Insulet
PODD
$9.79B
$1.4M 0.01%
14,755
-1,981
-12% -$170K
TAN icon
643
Invesco Solar ETF
TAN
$1.49B
$1.4M 0.01%
60,600
+60,500
+60,500% +$1.38M
DTE icon
644
DTE Energy
DTE
$29.1B
$1.4M 0.01%
13,207
+309
+2% +$31.2K
PPLI
645
People Inc
PPLI
$3.1B
$1.4M 0.01%
37,277
+2,613
+8% +$96.7K
RWT
646
Redwood Trust
RWT
$594M
$1.4M 0.01%
86,593
-8,992
-9% -$142K
EQR icon
647
Equity Residential
EQR
$25.1B
$1.39M 0.01%
18,458
-1,156
-6% -$83.3K
DOC icon
648
Healthpeak Properties
DOC
$14.8B
$1.38M 0.01%
44,219
+714
+2% +$21.8K
PGX icon
649
Invesco Preferred ETF
PGX
$3.79B
$1.38M 0.01%
94,954
+7,080
+8% +$101K
THR
650
DELISTED
Thermon Group Holdings
THR
$1.38M 0.01%
56,142
-1,310
-2% -$31.2K

Similar funds

William Blair & Company's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair & Company held 1,770 positions worth $16.4B, up 20% from $13.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q1 2019 filing shows 129 new, 754 increased, 490 reduced and 65 closed positions. Its largest new stake was Western Midstream Partners: 147,267 shares worth $4.62M. The largest sale was TotalEnergies, an estimated $155M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2019 buy was Western Midstream Partners: 147,267 shares worth $4.62M.
  • William Blair & Company added most to Fiserv Inc in Q1 2019, an estimated $65.4M increase.
  • William Blair & Company's biggest Q1 2019 reduction was TotalEnergies, cutting an estimated $155M.
  • William Blair & Company fully exited MB Financial Corp in Q1 2019, selling an estimated $7.72M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.4B portfolio in Q1 2019.
  • William Blair & Company opened 129 new positions and closed 65 in Q1 2019.
  • William Blair & Company's portfolio value rose 20% quarter-over-quarter to $16.4B.

Based on William Blair & Company's 13F filing for Q1 2019, filed 14 May 2019.