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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
+5.95%
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
$26.2B
AUM Growth
+$458M
Cap. Flow
-$585M
Cap. Flow %
-2.23%
Top 10 Hldgs %
18.81%
Holding
469
New
42
Increased
160
Reduced
224
Closed
36

Top Buys

Rank Stock Value
1
HCSG icon
Healthcare Services Group
HCSG
+$169M
2
WP
Worldpay, Inc.
WP
+$159M
3
CTLT
CATALENT, INC.
CTLT
+$146M
4
PE
PARSLEY ENERGY INC
PE
+$136M
5
P
Everpure Inc
P
+$129M

Top Sells

Rank Stock Value
1
MMS icon
Maximus
MMS
+$224M
2
CNI icon
Canadian National Railway
CNI
+$212M
3
AMG icon
Affiliated Managers Group
AMG
+$199M
4
CSRA
CSRA Inc.
CSRA
+$167M
5
TTWO icon
Take-Two Interactive
TTWO
+$162M

Sector Composition

Rank Sector Weight
1 Technology 14.91%
2 Financials 14.73%
3 Consumer Discretionary 14.13%
4 Industrials 13.07%
5 Healthcare 12.8%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
RCI icon
451
Rogers Communications
RCI
$19.2B
– –
-2,358,000
Closed -$120M
HIND
452
Vyome Holdings
HIND
$15.9M
– –
0
– -$1.97M
TGS icon
453
Transportadora de Gas del Sur
TGS
$4.17B
– –
-741,298
Closed -$15.9M
THO icon
454
Thor Industries
THO
$4.11B
– –
-8,432
Closed -$1.27M
TISI icon
455
Team
TISI
$101M
– –
-36,541
Closed -$5.45M
TRI icon
456
Thomson Reuters
TRI
$43.8B
– –
-60,831
Closed -$3.08M
TSCO icon
457
Tractor Supply
TSCO
$18.5B
– –
-10,158,080
Closed -$152M
TTWO icon
458
Take-Two Interactive
TTWO
$45.5B
– –
-1,473,896
Closed -$162M
UFPI icon
459
UFP Industries
UFPI
$4.99B
– –
-510,006
Closed -$19.2M
UGP icon
460
Ultrapar
UGP
$6.3B
– –
-71,392
Closed -$811K
USPH icon
461
US Physical Therapy
USPH
$1.21B
– –
-99,725
Closed -$7.2M
TTM
462
DELISTED
Tata Motors Limited
TTM
– –
-126,036
Closed -$4.17M
ZVO
463
DELISTED
Zovio Inc. Common Stock
ZVO
– –
-462,574
Closed -$3.84M
EXTN
464
DELISTED
Exterran Corporation
EXTN
– –
-389,462
Closed -$12.2M
SOGO
465
DELISTED
Sogou Inc. American Depositary Shares, each representing one Class A Ordinary Share
SOGO
– –
-554,899
Closed -$6.42M
GPOR
466
DELISTED
Gulfport Energy Corp.
GPOR
– –
-208,342
Closed -$2.66M
ORBK
467
DELISTED
Orbotech Ltd
ORBK
– –
-647,517
Closed -$32.5M
LHO
468
DELISTED
LaSalle Hotel Properties
LHO
– –
-496,541
Closed -$13.9M
FM
469
DELISTED
iShares Frontier and Select EM ETF
FM
– –
-815,704
Closed -$27M
15 16 17 18
19

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William Blair Investment Management's Q1 2018 Portfolio in Review

As of Q1 2018, William Blair Investment Management held 469 positions worth $26.2B, up 1.8% from $25.7B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management's Q1 2018 filing shows 42 new, 160 increased, 224 reduced and 36 closed positions. Its largest new stake was Healthcare Services Group: 3,458,904 shares worth $150M. The largest sale was Maximus, an estimated $224M.

By sector, the portfolio is most concentrated in Technology at 15% of assets, up from 14% a quarter earlier, followed by Financials and Consumer Discretionary.

  • William Blair Investment Management's largest Q1 2018 buy was Healthcare Services Group: 3,458,904 shares worth $150M.
  • William Blair Investment Management added most to PARSLEY ENERGY INC in Q1 2018, an estimated $136M increase.
  • William Blair Investment Management's biggest Q1 2018 reduction was Canadian National Railway, cutting an estimated $212M.
  • William Blair Investment Management fully exited Maximus in Q1 2018, selling an estimated $224M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $26.2B portfolio in Q1 2018.
  • William Blair Investment Management opened 42 new positions and closed 36 in Q1 2018.
  • William Blair Investment Management's portfolio value rose 1.8% quarter-over-quarter to $26.2B.

Based on William Blair Investment Management's 13F filing for Q1 2018, filed 14 May 2018.