Cortina Asset Management, LLC

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CIK 1325312

13F portfolio (2019-Q2)

$1.6B

Positions

174

Implied 1Y CAGR

modeled · as filed

Long positions in SEC Section 13(f) securities (US-listed stocks, ADRs and ETFs), largest first · Δ vs 2019-Q1. A lagged quarterly snapshot (filed ≤45 days after quarter-end); excludes shorts, options, cash, and shares listed only on non-US exchanges — foreign companies held via a US listing or ADR (e.g. Alibaba, TSMC) ARE included.

Implied return what this book implies · modeled, not advice methodology →

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As filed = each book applied at its quarter-end (what the reported book did) · As copyable = applied at its statutory 45-day filing deadline (what a 13F follower could have earned).

Computing…

Hypothetical modeled performance constructed with hindsight — not actual results, and not indicative of future results. See the Disclaimer.

Exposures · what this manager owns, by sector & size (2019-Q2)

Holdings

174

Top 5

8.1%

Top 10

15.1%

Effective N

122.6

HHI

0.008

This quarter

14 new · 0 exit →

By sector

Unclassified32.7%

Industrials15.6%

Information Technology12.9%

Health Care11.8%

Consumer Discretionary10.5%

Financials6.3%

Materials3.5%

Energy3.5%

Other3.4%

By market cap

Mid ($2–10B)33.6%

Unknown33.6%

Small ($300M–2B)20.1%

Large ($10–200B)8.4%

Micro (<$300M)4.4%

By region

North America66.9%

Other32.7%

Middle East0.4%

By industry group GICS — finer than sector

Industry group	Weight	Names
Unclassified	32.70%	57
Health Care Equipment & Supplies	4.78%	11
Software	4.28%	9
Specialty Retail	3.90%	7
Machinery	3.76%	5
Banks	3.75%	6
Pharmaceuticals & Biotechnology	3.50%	8
Health Care Providers & Services	3.50%	5
Oil, Gas & Consumable Fuels	3.46%	6
Semiconductors & Semiconductor Equipment	3.28%	8
Professional Services	3.09%	6
Technology Hardware & Equipment	3.00%	7
Chemicals	2.99%	3
Textiles, Apparel & Luxury Goods	2.58%	4
Insurance	2.54%	3
Software & IT Services	2.30%	3
Transportation Infrastructure	2.06%	3
Construction & Engineering	2.03%	3
Aerospace & Defense	1.95%	3
Commercial Services & Supplies	1.82%	3
Distributors	1.79%	2
Diversified Telecommunication Services	1.68%	2
Hotels, Restaurants & Leisure	1.49%	2
Food Products	1.38%	2
Road & Rail	0.84%	2
Paper & Forest Products	0.49%	1
Diversified Consumer Services	0.39%	1
Leisure Products	0.33%	1
Agricultural Products	0.33%	1

Top holdings

#	Ticker	Name	Sector	Weight
1	GTLS	CHART INDUSTRIES INC	Industrials	1.83%
2		AVALARA INC	Unclassified	1.79%
3		ALTAIR ENGINEERING INC	Unclassified	1.52%
4	IPAR	INTERPARFUMS INC	Materials	1.51%
5	OLLI	Ollie's Bargain Outlet Holdings, Inc.	Consumer Discretionary	1.49%
6	PUMP	ProPetro Holding Corp.	Energy	1.46%
7		SANDERSON FARMS INC	Unclassified	1.43%
8	SHOO	STEVEN MADDEN, LTD.	Consumer Discretionary	1.37%
9	KTOS	KRATOS DEFENSE & SECURITY SOLUTIONS, INC.	Industrials	1.35%
10	APPN	APPIAN CORP	Information Technology	1.35%

117/174 names classified · sector 67.3% of weight · industry 67.3% · mkt cap 66.4%; unclassified names shown, never dropped.

Sector allocation over time · how the GICS mix & top names shifted quarter by quarter

top 5/sector, rest → “Other” · 25 quarters

Information TechnologyCVLT, BLKB, MRCY, GNRC, MTSI · other

IndustrialsGVA, DY, GTLS, SAIA, EVH · other

Consumer DiscretionaryBURL, OLLI, FIVE, JACK, GIII · other

Health CareINGN, NEOG, GMED, TCMD, MD · other

FinancialsHOMB, COLB, AMSF, MSTR, JRVR · other

MaterialsNGVT, APOG, IPAR, ROG, ROCK · other

EnergyMTDR, PTEN, PUMP, CHRD, KWR · other

Communication ServicesZD, CCOI, TTGT, SSP, PRKS · other

UtilitiesCPK, ORA, BKH, POR, HTO · other

Consumer StaplesBGS, SMPL, LMNR, FRPT, SFM · other

Real EstateFCPT, COLD, BRX, EPRT, NXRT · other

UnclassifiedNXSTAGE MEDICAL INC, HMS HLDGS CORP, ABIOMED INC, WEB.COM GROUP INC, SHUTTERFLY INC · other

Sector is classified on each name's CURRENT fundamentals, not point-in-time — apparent sector drift can reflect the market re-rating a holding, not a manager trade. 13F is a lagged quarterly snapshot of long positions in US-listed securities only — foreign companies held via a US listing or ADR ARE included, but shares listed only on non-US exchanges (plus shorts, options and cash) are not. Latest quarter: 67.3% of the book is sector-classified (unclassified names shown, never dropped).

Style box · size × value-growth placement of the reported book (2019-Q2), classified on current fundamentals (not point-in-time) — load it into PORT to overlay your own portfolio

holdings, colored by sector (84 classified)Cortina Asset Management, LLC centroid (Small Core)

IndustrialsInformation TechnologyConsumer DiscretionaryHealth CareFinancialsEnergyMaterialsConsumer StaplesCommunication Services

Style box summary for Cortina Asset Management, LLC: centroid Small Core. Heaviest cells: Small Growth 20.8%, Small Core 17.6%, Small Value 9.4%.

Classified: 51.8% of book weight (84/122 names) · unclassified 48.2%: , NGVT, MRCY, RDNT, EVH, VRAYQ, PRAA, BKD, CDNA, ATRC +28 more. Size: cap 70/20/10 bands; style: value/growth composite on our own metrics — not Morningstar's model.

Contribution holdings-based, any period

No contribution data for this period.

Holdings· 174 positions (2019-Q2) · largest first · Δ vs 2019-Q1

#	Security	Shares	Value	Weight	Δ QoQ
1	GTLSCHART INDS INC	384,897	$30M	1.8%	ADD 5%
2	AVALARA INC	399,665	$29M	1.8%	HOLD
3	ALTAIR ENGINEERING INC	607,365	$25M	1.5%	HOLD
4	IPARINTERPARFUMS INC	366,908	$24M	1.5%	HOLD
5	OLLIOLLIES BARGAIN OUTLET HLDGS	276,102	$24M	1.5%	HOLD
6	PUMPPROPETRO HLDG CORP	1,142,244	$24M	1.5%	TRIM −3%
7	SANDERSON FARMS INC	169,359	$23M	1.4%	HOLD
8	SHOOMADDEN STEVEN LTD	653,312	$22M	1.4%	HOLD
9	KTOSKRATOS DEFENSE & SEC SOLUTIO	955,160	$22M	1.4%	ADD 9%
10	APPNAPPIAN CORP	603,737	$22M	1.3%	ADD 3%
11	FIVNFIVE9 INC	411,241	$21M	1.3%	ADD 20%
12	SOTHEBYS	358,672	$21M	1.3%	HOLD
13	CARDIOVASCULAR SYSTEMS INC	472,653	$20M	1.3%	TRIM −8%
14	ZDZIFF DAVIS INC	222,960	$20M	1.2%	HOLD
15	BCOBRINKS CO	242,893	$20M	1.2%	HOLD
16	NGVTINGEVITY CORP	186,035	$20M	1.2%	TRIM −21%
17	REALPAGE INC	330,915	$19M	1.2%	HOLD
18	ARGO GROUP INTL HLDGS LTD	257,405	$19M	1.2%	ADD 26%
19	CALAVO GROWERS INC	195,546	$19M	1.2%	HOLD
20	MRCYMERCURY SYS INC	259,619	$18M	1.1%	HOLD
21	WINGWINGSTOP INC	190,219	$18M	1.1%	TRIM −16%
22	MTZMASTEC INC	347,033	$18M	1.1%	HOLD
23	TCMDTACTILE SYS TECHNOLOGY INC	305,650	$17M	1.1%	ADD 17%
24	JRVRJAMES RIV GROUP LTD	356,357	$17M	1.0%	HOLD
25	PLUSEPLUS INC	241,442	$17M	1.0%	ADD 30%
26	NOVTNOVANTA INC	175,509	$17M	1.0%	HOLD
27	KNSLKINSALE CAP GROUP INC	178,315	$16M	1.0%	HOLD
28	RDNTRADNET INC	1,167,254	$16M	1.0%	ADD 33%
29	SMPLSIMPLY GOOD FOODS CO	652,097	$16M	1.0%	HOLD
30	LHC GROUP INC	130,195	$16M	1.0%	HOLD
31	RBCRBC BEARINGS INC	89,467	$15M	0.9%	HOLD
32	EBSEMERGENT BIOSOLUTIONS INC	282,255	$14M	0.8%	ADD 5%
33	BANCORPSOUTH BK TUPELO MISS	467,240	$14M	0.8%	HOLD
34	EYENATIONAL VISION HLDGS INC	436,381	$13M	0.8%	HOLD
35	EVHEVOLENT HEALTH INC	1,677,508	$13M	0.8%	ADD 16%
36	TRISTATE CAP HLDGS INC	621,215	$13M	0.8%	HOLD
37	CUBIC CORP	202,550	$13M	0.8%	HOLD
38	CWSTCASELLA WASTE SYS INC	328,286	$13M	0.8%	ADD 21%
39	ADUSADDUS HOMECARE CORP	171,740	$13M	0.8%	ADD 5%
40	CHEMICAL FINL CORP	312,678	$13M	0.8%	HOLD
41	VRAYQViewra, Inc	1,448,946	$13M	0.8%	HOLD
42	COLBCOLUMBIA BKG SYS INC	348,072	$13M	0.8%	HOLD
43	PCTYPAYLOCITY HLDG CORP	134,060	$13M	0.8%	HOLD
44	KFYKORN FERRY INTL	311,584	$12M	0.8%	HOLD
45	PRAAPRA GROUP INC	438,473	$12M	0.8%	HOLD
46	WKCWORLD KINECT CORPORATION	342,661	$12M	0.8%	ADD 30%
47	MKSIMKS INSTRUMENT INC	156,382	$12M	0.8%	HOLD
48	HOMBHOME BANCSHARES INC	624,696	$12M	0.7%	HOLD
49	OXMOXFORD INDS INC	158,689	$12M	0.7%	HOLD
50	HANGER INC	614,401	$12M	0.7%	HOLD
51	VYXNCR VOYIX CORPORATION	375,062	$12M	0.7%	TRIM −52%
52	CACICACI INTL INC	56,938	$12M	0.7%	HOLD
53	PLAYAGS INC	574,087	$11M	0.7%	TRIM −6%
54	ICFIICF INTL INC	150,193	$11M	0.7%	HOLD
55	CARDTRONICS PLC	390,593	$11M	0.7%	ADD 111%
56	BKDBROOKDALE SR LIVING INC	1,463,372	$11M	0.7%	HOLD
57	CDNACAREDX INC	279,306	$10M	0.6%	ADD 28%
58	AMEDISYS INC COM	82,556	$10M	0.6%	HOLD
59	WBSWEBSTER FINL CORP CONN	209,442	$10M	0.6%	HOLD
60	MERITOR INC	406,333	$10M	0.6%	ADD 14%
61	GVAGRANITE CONSTR INC	203,426	$10M	0.6%	HOLD
62	ATRCATRICURE INC	320,660	$10M	0.6%	ADD 11%
63	SOUTHSTATE CORPORATION	129,652	$10M	0.6%	HOLD
64	OIIOCEANEERING INTL INC	463,779	$9M	0.6%	HOLD
65	WLDNWILLDAN GROUP INC	248,090	$9M	0.6%	NEW
66	PCRXPACIRA BIOSCIENCES INC	208,471	$9M	0.6%	ADD 15%
67	NVCRNOVOCURE LTD	141,352	$9M	0.6%	ADD 13%
68	AIR TRANSPORT SERVICES GRP I	348,985	$9M	0.5%	TRIM −12%
69	KRNTKORNIT DIGITAL LTD	268,582	$9M	0.5%	TRIM −18%
70	CASHPATHWARD FINANCIAL INC	300,969	$8M	0.5%	ADD 42%
71	SAIASAIA INC	126,556	$8M	0.5%	ADD 18%
72	INPHI CORP	162,957	$8M	0.5%	HOLD
73	VRRMVERRA MOBILITY CORP	622,039	$8M	0.5%	NEW
74	EXPOEXPONENT INC	138,915	$8M	0.5%	ADD 45%
75	AMSFAMERISAFE INC	124,695	$8M	0.5%	HOLD
76	SKYCHAMPION HOMES INC	290,375	$8M	0.5%	TRIM −35%
77	TPICQTPI COMPOSITES INC	320,711	$8M	0.5%	ADD 10%
78	STAASTAAR SURGICAL CO	268,448	$8M	0.5%	ADD 47%
79	MODEL N INC	403,133	$8M	0.5%	HOLD
80	MTLSMATERIALISE NV	395,079	$8M	0.5%	ADD 17%
81	BURLBURLINGTON STORES INC	43,651	$7M	0.5%	HOLD
82	TTGTTECHTARGET	345,787	$7M	0.5%	ADD 6%
83	CENTENNIAL RESOURCE DEV INC	966,102	$7M	0.5%	HOLD
84	COLMCOLUMBIA SPORTSWEAR CO	72,095	$7M	0.4%	HOLD
85	NINENINE ENERGY SERVICE INC	406,424	$7M	0.4%	HOLD
86	HZOMARINEMAX INC	427,072	$7M	0.4%	ADD 13%
87	BIOTELEMETRY INC	143,816	$7M	0.4%	ADD 21%
88	VCYTVERACYTE INC	241,956	$7M	0.4%	TRIM −19%
89	LPSNLIVEPERSON INC	245,215	$7M	0.4%	TRIM −18%
90	ANTARES PHARMA INC	2,072,605	$7M	0.4%	ADD 100%
91	COLLCOLLEGIUM PHARMACEUTICAL INC	509,701	$7M	0.4%	ADD 81%
92	PLURALSIGHT INC	220,702	$7M	0.4%	HOLD
93	RUDOLPH TECHNOLOGIES INC	241,350	$7M	0.4%	ADD 6%
94	FRPTFRESHPET INC	146,467	$7M	0.4%	HOLD
95	TSEMTOWER SEMICONDUCTOR LTD	419,884	$7M	0.4%	ADD 5%
96	FNDFLOOR & DECOR HLDGS INC	157,951	$7M	0.4%	HOLD
97	MIMECAST LTD	138,949	$6M	0.4%	ADD 12%
98	RPDRAPID7 INC	111,879	$6M	0.4%	TRIM −26%
99	PINNACLE FINL PARTNERS INC	112,201	$6M	0.4%	HOLD
100	ENVESTNET INC	93,951	$6M	0.4%	HOLD
101	CASTLIGHT HEALTH INC CL B	1,980,813	$6M	0.4%	HOLD
102	CHGGCHEGG INC	164,551	$6M	0.4%	HOLD
103	RUSHARUSH ENTERPRISES INC	167,693	$6M	0.4%	ADD 68%
104	OXFORD IMMUNOTEC GLOBAL PLC	442,723	$6M	0.4%	TRIM −19%
105	AXONAXON ENTERPRISE INC	94,426	$6M	0.4%	TRIM −7%
106	VOCERA COMMUNICATIONS INC	189,928	$6M	0.4%	ADD 13%
107	KWRQUAKER HOUGHTON	29,742	$6M	0.4%	HOLD
108	BIODELIVERY SCIENCES INTL IN	1,291,404	$6M	0.4%	HOLD
109	NDLSNOODLES & CO	761,373	$6M	0.4%	HOLD
110	AEISADVANCED ENERGY INDS	105,417	$6M	0.4%	TRIM −6%
111	UPLDUPLAND SOFTWARE INC	130,052	$6M	0.4%	NEW
112	FIVEFIVE BELOW INC	48,904	$6M	0.4%	TRIM −12%
113	DLTHDULUTH HLDGS INC	429,307	$6M	0.4%	HOLD
114	AIRAAR CORP	158,442	$6M	0.4%	HOLD
115	MYGNMYRIAD GENETICS INC	207,419	$6M	0.4%	ADD 34%
116	FORMFORMFACTOR INC	365,870	$6M	0.4%	TRIM −21%
117	CYRXCRYOPORT INC	312,400	$6M	0.4%	NEW
118	SPIRIT AIRLS INC	119,811	$6M	0.4%	TRIM −18%
119	ROSETTA STONE INC	249,052	$6M	0.4%	ADD 11%
120	COHRCoherent Inc	41,310	$6M	0.3%	ADD 19%
121	ERIIENERGY RECOVERY INC	538,561	$6M	0.3%	HOLD
122	AMPHAMPHASTAR PHARMACEUTICALS IN	261,771	$6M	0.3%	HOLD
123	FWRDFORWARD AIR CORP	92,876	$5M	0.3%	ADD 21%
124	WERNWERNER ENTERPRISES INC	175,370	$5M	0.3%	HOLD
125	BLBLACKLINE INC	100,736	$5M	0.3%	NEW
126	PTENPATTERSON-UTI ENERGY INC	465,981	$5M	0.3%	HOLD
127	CLARCLARUS CORP NEW	370,561	$5M	0.3%	NEW
128	CHUYS HLDGS INC	232,494	$5M	0.3%	ADD 19%
129	LMNRLIMONEIRA CO	263,962	$5M	0.3%	HOLD
130	GLU MOBILE INC	728,449	$5M	0.3%	HOLD
131	BLDTOPBUILD COR	62,576	$5M	0.3%	NEW
132	SBCFSEACOAST BKG CORP FLA	203,306	$5M	0.3%	HOLD
133	REXNORD CORP	170,424	$5M	0.3%	TRIM −18%
134	MXLMAXLINEAR INC	219,674	$5M	0.3%	ADD 25%
135	NEOGNEOGEN CORP	81,873	$5M	0.3%	HOLD
136	INTRICON CORP	216,680	$5M	0.3%	ADD 13%
137	LGNDLIGAND PHARMACEUTICALS INC	43,919	$5M	0.3%	HOLD
138	APYXAPYX MEDICAL CORPORATION	742,822	$5M	0.3%	ADD 5%
139	AXGNAXOGEN INC	251,850	$5M	0.3%	ADD 35%
140	CHEMBIO DIAGNOSTICS INC	808,673	$5M	0.3%	HOLD
141	MIX TELEMATICS LTD	326,846	$5M	0.3%	ADD 105%
142	BENEFITFOCUS INC	178,986	$5M	0.3%	HOLD
143	NEONEOGENOMICS INC	220,020	$5M	0.3%	TRIM −28%
144	EGANEGAIN CORP	585,565	$5M	0.3%	ADD 78%
145	STIMNEURONETICS INC	380,717	$5M	0.3%	ADD 26%
146	QAD INC	118,444	$5M	0.3%	NEW
147	GKOSGLAUKOS CORP	62,928	$5M	0.3%	TRIM −18%
148	MELLANOX TECHNOLOGIES LTD	42,060	$5M	0.3%	HOLD
149	CRAY INC	132,660	$5M	0.3%	TRIM −64%
150	CENTERSTATE BK CORP	200,279	$5M	0.3%	ADD 20%
151	CMCOCOLUMBUS MCKINNON CORP N Y	108,203	$5M	0.3%	TRIM −52%
152	MTDRMATADOR RES CO	222,117	$4M	0.3%	HOLD
153	INDEPENDENT BANK GROUP INC	80,236	$4M	0.3%	HOLD
154	LSCCLATTICE SEMICONDUCTOR CORP	298,627	$4M	0.3%	NEW
155	AGYSAGILYSYS INC	202,734	$4M	0.3%	ADD 75%
156	BCPCBALCHEM CORP	43,133	$4M	0.3%	HOLD
157	ALLEGIANCE BANCSHARES INC	126,070	$4M	0.3%	ADD 14%
158	QNSTQUINSTREET INC	243,441	$4M	0.2%	NEW
159	FOXFFOX FACTORY HLDG CORP	46,067	$4M	0.2%	NEW
160	LASRNLIGHT INC	194,607	$4M	0.2%	ADD 9%
161	FCFRANKLIN COVEY CO	101,589	$3M	0.2%	NEW
162	APPFAPPFOLIO INC	32,851	$3M	0.2%	TRIM −22%
163	MANITEX INTL INC	549,918	$3M	0.2%	HOLD
164	PLABPHOTRONICS INC	395,493	$3M	0.2%	TRIM −38%
165	AQUANTIA CORP	170,441	$2M	0.1%	TRIM −63%
166	STERLING BANCORP INC	218,480	$2M	0.1%	HOLD
167	ALNTALLIENT INC	52,840	$2M	0.1%	NEW
168	PROFIRE ENERGY INC	1,287,709	$2M	0.1%	HOLD
169	PODDINSULET CORP	2,447	$292,000	0.0%	ADD 5%
170	DXCMDEXCOM	1,757	$263,000	0.0%	NEW
171	TERTERADYNE INC	5,306	$254,000	0.0%	ADD 4%
172	UAUNDER ARMOUR INC	11,104	$247,000	0.0%	TRIM −5%
173	TWLOTWILIO INC	1,485	$202,000	0.0%	TRIM −26%
174	PEVERPURE INC	10,455	$160,000	0.0%	ADD 13%

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