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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
+1.57%
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
$23.4B
AUM Growth
-$452M
Cap. Flow
-$478M
Cap. Flow %
-2.05%
Top 10 Hldgs %
20.73%
Holding
398
New
26
Increased
153
Reduced
172
Closed
41

Sector Composition

Rank Sector Weight
1 Technology 20.24%
2 Healthcare 13.8%
3 Consumer Discretionary 13.77%
4 Industrials 13.46%
5 Financials 13.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
PHG icon
326
Philips
PHG
$26.4B
$4.05M 0.02%
+110,519
New +$4.07M
AZN icon
327
AstraZeneca
AZN
$246B
$3.93M 0.02%
44,074
-9,177
-17% -$796K
ALC icon
328
Alcon
ALC
$36.4B
$3.68M 0.02%
63,088
-8,701
-12% -$522K
RSX
329
DELISTED
VanEck Russia ETF
RSX
$3.68M 0.02%
161,200
-18,800
-10% -$433K
NDSN icon
330
Nordson
NDSN
$17.3B
$3.65M 0.02%
24,971
+5,136
+26% +$714K
NVO
331
Novo Nordisk
NVO
$207B
$3.58M 0.02%
+138,368
New +$3.5M
NGVT icon
332
Ingevity
NGVT
$2.67B
$3.57M 0.02%
+42,063
New +$3.75M
DEI icon
333
Douglas Emmett
DEI
$1.92B
$3.42M 0.01%
79,736
-3,304
-4% -$137K
ORLY icon
334
O'Reilly Automotive
ORLY
$74.9B
$2.78M 0.01%
104,505
TTC icon
335
Toro Company
TTC
$9.41B
$2.75M 0.01%
37,446
-653,755
-95% -$46.7M
VTWO icon
336
Vanguard Russell 2000 ETF
VTWO
$17.3B
$2.64M 0.01%
43,348
ACC
337
DELISTED
American Campus Communities, Inc.
ACC
$2.47M 0.01%
51,334
-37,330
-42% -$1.76M
WB icon
338
Weibo
WB
$1.93B
$2.45M 0.01%
54,727
-66,193
-55% -$2.8M
OUT icon
339
Outfront Media
OUT
$5.27B
$2.35M 0.01%
+86,049
New +$2.29M
PRMW
340
DELISTED
Primo Water Corporation
PRMW
$2.22M 0.01%
177,838
-8,795
-5% -$112K
DCI icon
341
Donaldson
DCI
$11.2B
$2.18M 0.01%
41,919
EXP icon
342
Eagle Materials
EXP
$6.57B
$1.94M 0.01%
21,544
-9,688
-31% -$831K
MMYT icon
343
MakeMyTrip
MMYT
$5.78B
$1.92M 0.01%
84,716
+491
+0.6% +$12.1K
TCOM icon
344
Trip.com Group
TCOM
$29.1B
$1.81M 0.01%
61,951
-832,108
-93% -$29.3M
IWO icon
345
iShares Russell 2000 Growth ETF
IWO
$14.9B
$1.66M 0.01%
8,601
-839
-9% -$166K
VEDL
346
DELISTED
Vedanta Limited American Depostary Shares (Each representing four equity shares)
VEDL
$1.34M 0.01%
154,473
+718
+0.5% +$6.16K
ALGN icon
347
Align Technology
ALGN
$12.3B
$1.2M 0.01%
6,645
-106,724
-94% -$22.2M
NKE icon
348
Nike
NKE
$61.3B
$1.06M ﹤0.01%
11,332
-2,093
-16% -$179K
BRO icon
349
Brown & Brown
BRO
$23.9B
$1.01M ﹤0.01%
28,070
-21,825
-44% -$781K
ZNGA
350
DELISTED
ZYNGA INC. CL A COMMON
ZNGA
$957K ﹤0.01%
164,504
+22,138
+16% +$133K

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William Blair Investment Management's Q3 2019 Portfolio in Review

As of Q3 2019, William Blair Investment Management held 398 positions worth $23.4B, down 1.9% from $23.8B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair Investment Management's Q3 2019 filing shows 26 new, 153 increased, 172 reduced and 41 closed positions. Its largest new stake was IAA, Inc. Common Stock: 2,969,390 shares worth $124M. The largest sale was Rogers Communications, an estimated $201M.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 18% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q3 2019 buy was IAA, Inc. Common Stock: 2,969,390 shares worth $124M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q3 2019, an estimated $128M increase.
  • William Blair Investment Management's biggest Q3 2019 reduction was CoStar Group, cutting an estimated $173M.
  • William Blair Investment Management fully exited Rogers Communications in Q3 2019, selling an estimated $201M.
  • William Blair Investment Management's ten largest holdings make up 21% of its $23.4B portfolio in Q3 2019.
  • William Blair Investment Management opened 26 new positions and closed 41 in Q3 2019.
  • William Blair Investment Management's portfolio value fell 1.9% quarter-over-quarter to $23.4B.

Based on William Blair Investment Management's 13F filing for Q3 2019, filed 12 Nov 2019.