AMERICAN CAPITAL MANAGEMENT INC Q1 2018 Filing

Filed April 23, 2018

Portfolio Value

$1.8T

Holdings

74

Report Date

Q1 2018

Filing Type

13F-HR

All Holdings (74 positions)

#StockSharesValue% PortfolioType
1
ICLRICON PLC
828,632$97.9B5.58%
2
IDXXIDEXX Laboratories
504,986$96.6B5.51%
3
CGNXCognex
1,601,594$83.3B4.74%
4
JPXAeroVironment
1,641,266$74.7B4.26%
5
SEICSEI Investments
854,313$64.0B3.65%
6
RMEResMed
642,103$63.2B3.60%
7
Verint Systems
1,444,139$61.5B3.50%
8
ILMNIllumina
254,435$60.2B3.43%
9
MANHManhattan Associates
1,350,984$56.6B3.22%
10
FTNTFortinet
1,044,841$56.0B3.19%
11
GNTXGentex
2,410,649$55.5B3.16%
12
FDSFactSet Research System
274,362$54.7B3.12%
13
NSYNICE
572,837$53.8B3.07%
14
CYBRCyberArk Software
1,028,913$52.5B2.99%
15
JKHYJack Henry & Associates
388,778$47.0B2.68%
16
HOLXHologic
1,186,901$44.3B2.53%
17
Tivity Health
1,096,133$43.5B2.48%
18
Medidata Solutions
644,168$40.5B2.30%
19
HMS Holdings
2,371,554$39.9B2.28%
20
AKXANSYS
242,592$38.0B2.17%
21
RPReal Page
710,196$36.6B2.08%
22
Cambrex
675,164$35.3B2.01%
23
KRNTKornit Digital Ltd.
2,642,917$34.1B1.94%
24
BLKBBlackbaud
306,137$31.2B1.78%
25
IPGPIPG Photonic
129,750$30.3B1.73%
26
TRMBTrimble
838,427$30.1B1.71%
27
Acxiom
1,104,505$25.1B1.43%
28
VEEVVeeva Systems
321,410$23.5B1.34%
29
HCSGHealthcare Services Grp
526,533$22.9B1.30%
30
ZBRAZebra Technologies
158,230$22.0B1.25%
31
DORMDorman Products
316,135$20.9B1.19%
32
MORNMorningstar
212,330$20.3B1.16%
33
FELEFranklin Electric
473,653$19.3B1.10%
34
CRLCharles River Labs
175,950$18.8B1.07%
35
HAEHaemonetics
242,400$17.7B1.01%
36
CSGPCostar Group
48,771$17.7B1.01%
37
PRLBProto Labs
134,289$15.8B0.90%
38
QLYSQualys
213,163$15.5B0.88%
39
MMSIMerit Medical Systems
278,995$12.7B0.72%
40
CVLTCommVault Systems
170,000$9.7B0.55%
41
TSAACI Worldwide
398,000$9.4B0.54%
42
National Instruments
185,145$9.4B0.53%
43
BCPCBalchem
102,445$8.4B0.48%
44
Mednax
144,460$8.0B0.46%
45
NUVAGBPNuVasive
135,746$7.1B0.40%
46
FORRForrester Research
163,950$6.8B0.39%
47
ALRMAlarm.Com Holdings
153,330$5.8B0.33%
48
FUODolby Laboratories
80,779$5.1B0.29%
49
GHMGraham
217,713$4.7B0.27%
50
Financial Engines
126,425$4.4B0.25%
51
Capella Education
49,215$4.3B0.24%
52
Envestnet Conv Sr Unsecd Note
3,760,000$4.1B0.23%
53
FWRDUSDForward Air
77,035$4.1B0.23%
54
FASTFastenal
73,759$4.0B0.23%
55
TECHBio Techne
21,543$3.3B0.19%
56
FFIVF5 Networks
21,645$3.1B0.18%
57
LNNLindsay Manufacturing
30,205$2.8B0.16%
58
Wright Medical Group N.V.
136,623$2.7B0.15%
59
HDHome Depot
13,037$2.3B0.13%
60
AZPNUSDAspen Technology
28,130$2.2B0.13%
61
SCOR1EURComScore
89,400$2.2B0.12%
62
PAYXPaychex
32,032$2.0B0.11%
63
MPWRMonolithic Power Systems
15,110$1.7B0.10%
64
KWRQuaker Chemical
7,000$1.0B0.06%
65
GLOBGlobant S.A.
10,755$554.0M0.03%
66
WageWorks
11,685$528.0M0.03%
67
Bottomline Technologies
10,215$396.0M0.02%
68
Ellie Mae
3,815$351.0M0.02%
69
NIC
24,355$324.0M0.02%
70
Natus Medical
8,965$302.0M0.02%
71
ORLYO'Reilly Automotive
1,200$297.0M0.02%
72
LOGMEURLOGMEIN
1,990$230.0M0.01%
73
PS1Computer Programs & Systems
7,770$227.0M0.01%
74
ID Systems
20,570$128.0M0.01%