Cortina Asset Management 13F annual report

Cortina Asset Management is an investment fund managing more than $1.62 billion ran by Stacy Berg. There are currently 174 companies in Mrs. Berg’s portfolio. The largest investments include Chart Industries and Avalara, together worth $58.4 million.

$1.62 billion Assets Under Management (AUM)

As of 7th October 2020, Cortina Asset Management’s top holding is 384,897 shares of Chart Industries currently worth over $29.6 million and making up 1.8% of the portfolio value. Relative to the number of outstanding shares of Chart Industries, Cortina Asset Management owns more than approximately 0.1% of the company. In addition, the fund holds 399,665 shares of Avalara worth $28.9 million, whose value grew 99.0% in the past six months. The third-largest holding is Altair Engineering Inc - A worth $24.5 million and the next is Inter Parfums worth $24.4 million, with 366,908 shares owned.

Currently, Cortina Asset Management's portfolio is worth at least $1.62 billion. The total portfolio value may be much higher due to cash assets that are not publicly disclosed such as fixed income, real estate, or cash equivalents.

Careers at Cortina Asset Management

The Cortina Asset Management office and employees reside in Milwaukee, Wisconsin. According to the last 13-F report filed with the SEC, Stacy Berg serves as the Compliance Associate at Cortina Asset Management.

Recent trades

In the most recent 13F filing, Cortina Asset Management revealed that it had opened a new position in Willdan and bought 248,090 shares worth $9.24 million. This means they effectively own approximately 0.1% of the company. Willdan makes up 3.9% of the fund's Industrials sector allocation and has decreased its share price by 14.8% in the past year.

The investment fund also strengthened its position in Chart Industries by buying 18,641 additional shares. This makes their stake in Chart Industries total 384,897 shares worth $29.6 million. Chart Industries soared 27.1% in the past year.

On the other hand, there are companies that Cortina Asset Management is getting rid of from its portfolio. Cortina Asset Management closed its position in Sailpoint Technologies Holdi on 2nd July 2019. It sold the previously owned 613,942 shares for $17.6 million. Stacy Berg also disclosed a decreased stake in Avalara by approximately 0.1%. This leaves the value of the investment at $28.9 million and 399,665 shares.

One of the largest hedge funds

The two most similar investment funds to Cortina Asset Management are Spyglass Capital Management and Signature Estate & Investment Advisors. They manage $1.61 billion and $1.61 billion respectively.


Stacy Berg investment strategy

Cortina Asset Management’s portfolio is diversified across 10 sectors. Currently, their heaviest sector is Technology — making up 19.7% of the total portfolio value. The fund focuses on investments in the United States as 77.6% of the portfolio companies are based in the United States.

The majority of the companies in the fund’s portfolio are small-cap stocks. Stocks with a size of more than $100 million in market cap make up 4% of the total holdings value. On the other hand, large-cap stocks make up only 3.4% of the portfolio. The average market cap of the portfolio companies is close to $2.85 billion.

The complete list of Cortina Asset Management trades based on 13F SEC filings

These positions were updated on July 2nd based on the fund’s latest 13F filing. Quickly find out what the most recently closed or increased positions are.

Security Shares Owned Value Allocation
Chart Industries, Inc.
5.09%
384,897
$29,591,000 1.83%
Avalara, Inc.
0.45%
399,665
$28,856,000 1.79%
Altair Engineering Inc - A
0.92%
607,365
$24,531,000 1.52%
Inter Parfums, Inc.
0.96%
366,908
$24,396,000 1.51%
Ollie's Bargain Outlet Holding
0.93%
276,102
$24,051,000 1.49%
ProPetro Holding Corp.
2.64%
1,142,244
$23,644,000 1.46%
Sanderson Farms, Inc.
0.96%
169,359
$23,128,000 1.43%
Steven Madden Ltd.
0.95%
653,312
$22,180,000 1.37%
Kratos Defense & Security
8.88%
955,160
$21,864,000 1.35%
Appian Corp.
2.57%
603,737
$21,777,000 1.35%
Five9, Inc.
19.58%
411,241
$21,093,000 1.31%
Sotheby's
0.95%
358,672
$20,850,000 1.29%
Cardiovascular Systems, Inc.
7.80%
472,653
$20,291,000 1.26%
J2 Global, Inc.
0.95%
222,960
$19,819,000 1.23%
Brink's Co/the
0.95%
242,893
$19,718,000 1.22%
Ingevity Corp.
21.01%
186,035
$19,565,000 1.21%
RealPage, Inc.
1.33%
330,915
$19,474,000 1.21%
Argo Group International
26.11%
257,405
$19,061,000 1.18%
Calavo Growers, Inc.
0.95%
195,546
$18,917,000 1.17%
Mercury Systems, Inc.
0.95%
259,619
$18,264,000 1.13%
Wingstop, Inc.
15.62%
190,219
$18,023,000 1.12%
MasTec, Inc.
1.16%
347,033
$17,883,000 1.11%
Sailpoint Technologies Holdi
Closed
613,942
$17,632,000
Tactile Systems Technology I
16.55%
305,650
$17,398,000 1.08%
James River Group Holdings L
0.95%
356,357
$16,713,000 1.03%
ePlus, Inc.
29.98%
241,442
$16,645,000 1.03%
Novanta, Inc.
0.95%
175,509
$16,550,000 1.02%
Dycom Industries, Inc.
Closed
357,578
$16,427,000
Kinsale Capital Group, Inc.
1.15%
178,315
$16,312,000 1.01%
RadNet, Inc.
32.51%
1,167,254
$16,096,000 1.00%
The Simply Good Foods Co.
0.95%
652,097
$15,702,000 0.97%
LHC Group, Inc.
0.95%
130,195
$15,569,000 0.96%
RBC Bearings, Inc.
0.95%
89,467
$14,924,000 0.92%
Emergent BioSolutions, Inc.
4.63%
282,255
$13,636,000 0.84%
BancorpSouth Bank
0.95%
467,240
$13,569,000 0.84%
National Vision Holdings, Inc.
0.57%
436,381
$13,410,000 0.83%
Evolent Health Inc - A
15.94%
1,677,508
$13,336,000 0.83%
TriState Capital Holdings, Inc.
1.05%
621,215
$13,257,000 0.82%
Cubic Corp.
0.98%
202,550
$13,060,000 0.81%
Casella Waste Systems Inc-a
21.42%
328,286
$13,010,000 0.81%
Addus HomeCare Corp.
5.50%
171,740
$12,872,000 0.80%
Chemical Financial Corp
0.96%
312,678
$12,854,000 0.80%
ViewRay, Inc.
0.96%
1,448,946
$12,765,000 0.79%
Columbia Banking System, Inc.
0.96%
348,072
$12,593,000 0.78%
Paylocity Holding Corp.
0.95%
134,060
$12,578,000 0.78%
Korn Ferry
0.95%
311,584
$12,485,000 0.77%
Rogers Corp.
Closed
78,485
$12,470,000
PRA Group, Inc.
1.15%
438,473
$12,339,000 0.76%
World Fuel Services Corp.
30.39%
342,661
$12,322,000 0.76%
MKS Instruments, Inc.
1.37%
156,382
$12,181,000 0.75%
Home Bancshares Inc
0.95%
624,696
$12,032,000 0.74%
Oxford Industries, Inc.
1.15%
158,689
$12,029,000 0.74%
Hanger, Inc.
1.14%
614,401
$11,766,000 0.73%
NCR Corp.
51.81%
375,062
$11,664,000 0.72%
CACI International, Inc.
0.96%
56,938
$11,649,000 0.72%
PlayAGS, Inc.
6.21%
574,087
$11,166,000 0.69%
ICF International, Inc.
0.96%
150,193
$10,934,000 0.68%
Cardtronics Plc - A
111.29%
390,593
$10,671,000 0.66%
Brookdale Senior Living, Inc.
0.95%
1,463,372
$10,551,000 0.65%
CareDx, Inc.
27.51%
279,306
$10,052,000 0.62%
Amedisys, Inc.
0.96%
82,556
$10,023,000 0.62%
Webster Financial Corp.
1.34%
209,442
$10,005,000 0.62%
Meritor, Inc.
14.25%
406,333
$9,854,000 0.61%
Granite Construction, Inc.
0.95%
203,426
$9,801,000 0.61%
Lindsay Corp.
Closed
100,725
$9,749,000
AtriCure, Inc.
11.24%
320,660
$9,568,000 0.59%
South State Corp.
0.95%
129,652
$9,551,000 0.59%
Oceaneering International, Inc.
1.15%
463,779
$9,456,000 0.59%
Willdan Group, Inc.
Opened
248,090
$9,241,000 0.57%
Pacira Biosciences, Inc.
14.52%
208,471
$9,066,000 0.56%
Novocure Ltd.
13.03%
141,352
$8,938,000 0.55%
Air Transport Services Group, Inc.
11.65%
348,985
$8,515,000 0.53%
Kornit Digital Ltd.
17.60%
268,582
$8,503,000 0.53%
Meta Financial Group, Inc.
41.73%
300,969
$8,442,000 0.52%
Saia, Inc.
18.32%
126,556
$8,184,000 0.51%
Inphi Corp.
2.00%
162,957
$8,164,000 0.51%
Verra Mobility Corp
Opened
622,039
$8,142,000 0.50%
Exponent, Inc.
45.23%
138,915
$8,132,000 0.50%
AMERISAFE, Inc.
0.95%
124,695
$7,952,000 0.49%
Skyline Champion Corp.
34.86%
290,375
$7,950,000 0.49%
TPI Composites, Inc.
9.53%
320,711
$7,928,000 0.49%
STAAR Surgical Co.
47.29%
268,448
$7,887,000 0.49%
Model N, Inc.
0.74%
403,133
$7,861,000 0.49%
Materialise Nv Sponsored Ads
17.14%
395,079
$7,712,000 0.48%
Quantenna Communications Inc
Closed
313,335
$7,623,000
Burlington Stores, Inc.
1.26%
43,651
$7,427,000 0.46%
TechTarget, Inc.
5.70%
345,787
$7,348,000 0.45%
Centennial Resource Developmen
0.91%
966,102
$7,333,000 0.45%
Columbia Sportswear Co.
1.33%
72,095
$7,221,000 0.45%
Boingo Wireless, Inc.
Closed
304,347
$7,085,000
Nine Energy Service, Inc.
0.95%
406,424
$7,043,000 0.44%
MarineMax, Inc.
13.18%
427,072
$7,021,000 0.43%
BioTelemetry, Inc.
21.33%
143,816
$6,925,000 0.43%
Veracyte, Inc.
19.43%
241,956
$6,898,000 0.43%
LivePerson, Inc.
17.51%
245,215
$6,876,000 0.43%
Antares Pharma, Inc.
100.27%
2,072,605
$6,819,000 0.42%
Collegium Pharmaceutical, Inc.
80.96%
509,701
$6,703,000 0.41%
Pluralsight, Inc.
0.85%
220,702
$6,692,000 0.41%
Rudolph Technologies Inc
5.63%
241,350
$6,669,000 0.41%
Freshpet Inc.
0.83%
146,467
$6,666,000 0.41%
Tower Semiconductor Ltd.
5.21%
419,884
$6,622,000 0.41%
Floor & Decor Holdings Inc-a
1.26%
157,951
$6,618,000 0.41%
Mimecast Ltd.
11.57%
138,949
$6,490,000 0.40%
Rapid7, Inc.
25.70%
111,879
$6,471,000 0.40%
Pinnacle Financial Partners, Inc.
0.88%
112,201
$6,449,000 0.40%
Envestnet, Inc.
0.86%
93,951
$6,423,000 0.40%
Castlight Health Inc-b
0.74%
1,980,813
$6,398,000 0.40%
Chegg, Inc.
0.83%
164,551
$6,350,000 0.39%
Tabula Rasa Healthcare, Inc.
Closed
110,063
$6,210,000
Rush Enterprises, Inc.
67.52%
167,693
$6,124,000 0.38%
Oxford Immunotec Global Plc
19.29%
442,723
$6,092,000 0.38%
Axon Enterprise, Inc.
7.24%
94,426
$6,063,000 0.38%
Vocera Communications, Inc.
13.06%
189,928
$6,063,000 0.38%
Quaker Chemical Corp.
0.95%
29,742
$6,034,000 0.37%
Biodelivery Sciences Intl
0.74%
1,291,404
$6,005,000 0.37%
Noodles & Co.
0.74%
761,373
$6,000,000 0.37%
Advanced Energy Industries, Inc.
5.60%
105,417
$5,932,000 0.37%
Upland Software, Inc.
Opened
130,052
$5,921,000 0.37%
Five Below, Inc.
12.20%
48,904
$5,869,000 0.36%
Duluth Holdings, Inc.
0.96%
429,307
$5,834,000 0.36%
AAR Corp.
0.84%
158,442
$5,829,000 0.36%
Myriad Genetics, Inc.
34.47%
207,419
$5,762,000 0.36%
FormFactor, Inc.
21.23%
365,870
$5,733,000 0.35%
HealthEquity, Inc.
Closed
77,453
$5,730,000
CryoPort, Inc.
Opened
312,400
$5,723,000 0.35%
Spirit Airlines, Inc.
17.90%
119,811
$5,719,000 0.35%
Rosetta Stone, Inc.
11.45%
249,052
$5,698,000 0.35%
Coherent, Inc.
19.36%
41,310
$5,633,000 0.35%
Energy Recovery, Inc.
0.73%
538,561
$5,612,000 0.35%
Amphastar Pharmaceuticals In
0.85%
261,771
$5,526,000 0.34%
Forward Air Corp.
21.48%
92,876
$5,494,000 0.34%
Werner Enterprises, Inc.
0.85%
175,370
$5,450,000 0.34%
BlackLine, Inc.
Opened
100,736
$5,390,000 0.33%
Patterson-UTI Energy, Inc.
0.95%
465,981
$5,363,000 0.33%
Clarus Corp.
Opened
370,561
$5,351,000 0.33%
Chuy's Holdings, Inc.
18.57%
232,494
$5,329,000 0.33%
Green Dot Corp.
Closed
87,263
$5,293,000
Limoneira Co.
0.74%
263,962
$5,263,000 0.33%
Glu Mobile, Inc.
0.74%
728,449
$5,230,000 0.32%
TopBuild Corp.
Opened
62,576
$5,179,000 0.32%
Seacoast Banking Corp/fl
0.73%
203,306
$5,172,000 0.32%
Rexnord Corp.
18.09%
170,424
$5,150,000 0.32%
MaxLinear, Inc.
25.11%
219,674
$5,149,000 0.32%
Neogen Corp.
0.88%
81,873
$5,085,000 0.31%
Intricon Corp.
13.49%
216,680
$5,062,000 0.31%
Ligand Pharmaceuticals, Inc.
0.84%
43,919
$5,013,000 0.31%
Apyx Medical Corp
5.42%
742,822
$4,992,000 0.31%
AxoGen, Inc.
34.96%
251,850
$4,987,000 0.31%
Spartan Motors, Inc.
Closed
563,601
$4,977,000
Chembio Diagnostics, Inc.
0.73%
808,673
$4,925,000 0.30%
Mix Telematics Ltd Sponsored A
105.29%
326,846
$4,912,000 0.30%
Benefitfocus, Inc.
0.85%
178,986
$4,859,000 0.30%
NeoGenomics, Inc.
27.70%
220,020
$4,827,000 0.30%
eGain Corp.
78.10%
585,565
$4,766,000 0.30%
Qad Inc-a
Opened
118,444
$4,763,000 0.29%
Neuronetics, Inc.
25.75%
380,717
$4,763,000 0.29%
Glaukos Corp.
17.61%
62,928
$4,745,000 0.29%
Mellanox Technologies Ltd
1.27%
42,060
$4,655,000 0.29%
Cray Inc
64.33%
132,660
$4,619,000 0.29%
CenterState Bank Corp.
19.90%
200,279
$4,612,000 0.29%
Columbus Mckinnon Corp/ny
51.78%
108,203
$4,541,000 0.28%
Matador Resources Co.
0.83%
222,117
$4,416,000 0.27%
Independent Bank Group, Inc.
0.74%
80,236
$4,410,000 0.27%
Lattice Semiconductor Corp.
Opened
298,627
$4,357,000 0.27%
Agilysys, Inc.
74.76%
202,734
$4,353,000 0.27%
Flexion Therapeutics, Inc.
Closed
346,457
$4,324,000
Balchem Corp.
0.95%
43,133
$4,312,000 0.27%
Allegiance Bancshares Inc
14.08%
126,070
$4,203,000 0.26%
Quin Street Inc
Opened
243,441
$3,859,000 0.24%
Fox Factory Holding Corp.
Opened
46,067
$3,801,000 0.24%
Codexis, Inc.
Closed
183,830
$3,774,000
nLIGHT, Inc.
9.42%
194,607
$3,736,000 0.23%
Franklin Covey Co.
Opened
101,589
$3,454,000 0.21%
Appfolio Inc - A
21.95%
32,851
$3,360,000 0.21%
Manitex International, Inc.
0.73%
549,918
$3,360,000 0.21%
PetIQ, Inc.
Closed
105,830
$3,324,000
Photronics, Inc.
37.54%
395,493
$3,243,000 0.20%
Mammoth Energy Services, Inc.
Closed
189,666
$3,158,000
Aquantia Corp
63.49%
170,441
$2,221,000 0.14%
Sterling Bancorp Inc
0.73%
218,480
$2,178,000 0.13%
Allied Motion Technologies, Inc.
Opened
52,840
$2,003,000 0.12%
Profire Energy, Inc.
0.72%
1,287,709
$1,944,000 0.12%
Amber Road Inc
Closed
131,457
$1,140,000
RPC, Inc.
Closed
79,181
$903,000
Kadant, Inc.
Closed
7,956
$700,000
Cooper-standard Holding
Closed
13,415
$630,000
Insulet Corp.
5.43%
2,447
$292,000 0.02%
DexCom, Inc.
Opened
1,757
$263,000 0.02%
Teradyne, Inc.
4.28%
5,306
$254,000 0.02%
Under Armour, Inc.
5.08%
11,104
$247,000 0.02%
RingCentral, Inc.
Closed
2,219
$239,000
Bio-Techne Corp.
Closed
1,083
$215,000
Twilio Inc - A
25.53%
1,485
$202,000 0.01%
Trade Desk Inc/the -class A
Closed
1,016
$201,000
Pure Storage, Inc.
12.50%
10,455
$160,000 0.01%
No transactions found
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