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OAM

Oberweis Asset Management Portfolio holdings

AUM $3.39B
1-Year Est. Return 105.5%
This Fund
S&P 500
This Quarter Est. Return
+17.77%
1 Year Est. Return
+105.5%
3 Year Est. Return
+311.52%
5 Year Est. Return
+632.9%
10 Year Est. Return
+11,604.3%
AUM
$489M
AUM Growth
+$109M
Cap. Flow
+$63.1M
Cap. Flow %
12.92%
Top 10 Hldgs %
61.02%
Holding
193
New
55
Increased
42
Reduced
40
Closed
23

Top Buys

Rank Stock Value
1
KRNT icon
Kornit Digital
KRNT
+$41.2M
2
SE icon
Sea Limited
SE
+$9.13M
3
ORGO icon
Organogenesis Holdings
ORGO
+$6.6M
4
COHR icon
Coherent
COHR
+$3.85M
5
SYNA icon
Synaptics
SYNA
+$3.57M

Top Sells

Rank Stock Value
1
MGNI icon
Magnite
MGNI
+$10.4M
2
UPWK icon
Upwork
UPWK
+$9.95M
3
CSTL icon
Castle Biosciences
CSTL
+$4.96M
4
BAND
Bandwidth Inc
BAND
+$4.48M
5
CDNA icon
CareDx
CDNA
+$4.46M

Sector Composition

Rank Sector Weight
1 Technology 23.59%
2 Communication Services 20.59%
3 Materials 19.88%
4 Industrials 12.7%
5 Healthcare 10.46%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HALO icon
26
Halozyme
HALO
$9.87B
$2.87M 0.59%
+68,900
New +$3.15M
CDNS icon
27
Cadence Design Systems
CDNS
$92.8B
$2.66M 0.54%
19,424
+15,468
+391% +$2.08M
DOOR
28
DELISTED
MASONITE INTERNATIONAL CORP
DOOR
$2.63M 0.54%
22,795
+8,495
+59% +$922K
BILI icon
29
Bilibili
BILI
$7.78B
$2.62M 0.54%
24,500
+2,300
+10% +$281K
GNOG
30
DELISTED
Golden Nugget Online Gaming, Inc. Class A Common Stock
GNOG
$2.37M 0.48%
175,400
+55,300
+46% +$964K
ANGO icon
31
AngioDynamics
ANGO
$622M
$2.3M 0.47%
+98,300
New +$1.99M
AMRC icon
32
Ameresco
AMRC
$1.36B
$2.09M 0.43%
43,008
+6,200
+17% +$342K
RPD icon
33
Rapid7
RPD
$726M
$1.96M 0.4%
26,280
-1,280
-5% -$106K
MX icon
34
Magnachip Semiconductor
MX
$134M
$1.8M 0.37%
72,300
-13,000
-15% -$255K
VG
35
DELISTED
Vonage Holdings Corporation
VG
$1.79M 0.37%
151,210
+139,210
+1,160% +$1.81M
BOOT icon
36
Boot Barn
BOOT
$4.88B
$1.77M 0.36%
28,400
– –
SPY icon
37
State Street SPDR S&P 500 ETF Trust
SPY
$819B
$1.74M 0.35%
4,377
-13
-0.3% -$5.01K
ZUMZ icon
38
Zumiez
ZUMZ
$330M
$1.73M 0.35%
40,300
– –
TREX icon
39
Trex
TREX
$5.05B
$1.67M 0.34%
18,240
-2,950
-14% -$277K
CDMO
40
DELISTED
Avid Bioservices, Inc. Common Stock
CDMO
$1.57M 0.32%
86,400
-9,100
-10% -$151K
SGI
41
Somnigroup International
SGI
$14.6B
$1.57M 0.32%
42,865
-1,325
-3% -$42.9K
HSII
42
DELISTED
Heidrick & Struggles
HSII
$1.55M 0.32%
43,500
+16,500
+61% +$560K
MHO icon
43
M/I Homes
MHO
$3.81B
$1.55M 0.32%
26,300
– –
VRTV
44
DELISTED
VERITIV CORPORATION
VRTV
$1.53M 0.31%
+36,000
New +$1.03M
DBD
45
DELISTED
Diebold Nixdorf Incorporated
DBD
$1.47M 0.3%
+104,300
New +$1.44M
ACHC icon
46
Acadia Healthcare
ACHC
$3B
$1.46M 0.3%
25,625
-570
-2% -$30.8K
MGNI icon
47
Magnite
MGNI
$2.96B
$1.46M 0.3%
34,967
-240,890
-87% -$10.4M
KFRC icon
48
Kforce
KFRC
$1.05B
$1.45M 0.3%
+27,000
New +$1.31M
CVGI icon
49
Commercial Vehicle Group
CVGI
$154M
$1.39M 0.28%
143,900
+45,900
+47% +$430K
CRAI icon
50
CRA International
CRAI
$1.14B
$1.38M 0.28%
18,500
– –
1
2
3 4 5

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DIA
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Oberweis Asset Management's Q1 2021 Portfolio in Review

As of Q1 2021, Oberweis Asset Management held 193 positions worth $489M, up 29% from $380M the previous quarter. Its ten largest holdings account for 61% of the portfolio.

Oberweis Asset Management deployed $63.1M of net new capital in Q1 2021, opening 55 new positions and adding to 42 existing holdings. Its largest new stake was Kornit Digital: 416,851 shares worth $41.3M.

By sector, the portfolio is most concentrated in Technology at 24% of assets, up from 22% a quarter earlier, followed by Communication Services and Materials.

On the sell side, the largest reduction was Magnite, an estimated $10.4M trimmed.

  • Oberweis Asset Management's largest Q1 2021 buy was Kornit Digital: 416,851 shares worth $41.3M.
  • Oberweis Asset Management added most to Sea Limited in Q1 2021, an estimated $9.13M increase.
  • Oberweis Asset Management's biggest Q1 2021 reduction was Magnite, cutting an estimated $10.4M.
  • Oberweis Asset Management fully exited Bandwidth Inc in Q1 2021, selling an estimated $4.48M.
  • Oberweis Asset Management's ten largest holdings make up 61% of its $489M portfolio in Q1 2021.
  • Oberweis Asset Management opened 55 new positions and closed 23 in Q1 2021.
  • Oberweis Asset Management's portfolio value rose 29% quarter-over-quarter to $489M.

Based on Oberweis Asset Management's 13F filing for Q1 2021, filed 17 May 2021.