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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
+21.91%
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
$470M
AUM Growth
+$43.2M
Cap. Flow
-$9.04M
Cap. Flow %
-1.92%
Top 10 Hldgs %
34.53%
Holding
199
New
26
Increased
113
Reduced
13
Closed
31

Top Buys

Rank Stock Value
1
PI icon
Impinj
PI
+$7.9M
2
SMCI icon
Super Micro Computer
SMCI
+$4.86M
3
TMDX icon
Transmedics
TMDX
+$4.38M
4
CLFD icon
Clearfield
CLFD
+$3.75M
5
CIEN icon
Ciena
CIEN
+$3.63M

Top Sells

Rank Stock Value
1
NVMI
Nova
NVMI
+$44.1M
2
DAVA icon
Endava
DAVA
+$29.8M
3
MTRN icon
Materion
MTRN
+$6.85M
4
CSTM icon
Constellium
CSTM
+$6.61M
5
ANGO icon
AngioDynamics
ANGO
+$4.24M

Sector Composition

Rank Sector Weight
1 Technology 28.65%
2 Materials 15.05%
3 Healthcare 14.71%
4 Consumer Discretionary 13.76%
5 Industrials 11.09%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CSTM icon
1
Constellium
CSTM
$3.96B
$58.4M 12.42%
4,939,312
-565,764
-10% -$6.61M
ACLS icon
2
Axcelis
ACLS
$4.12B
$22.2M 4.72%
279,549
+26,330
+10% +$1.85M
AEHR icon
3
Aehr Test Systems
AEHR
$2.48B
$12.2M 2.6%
607,608
+99,269
+20% +$2.12M
PI icon
4
Impinj
PI
$3.89B
$12.1M 2.57%
110,665
+74,965
+210% +$7.9M
CROX icon
5
Crocs
CROX
$6.69B
$11.3M 2.4%
104,050
+5,100
+5% +$451K
DECK icon
6
Deckers Outdoor
DECK
$13.3B
$10.8M 2.3%
162,720
-240
-0.1% -$14.5K
SMCI icon
7
Super Micro Computer
SMCI
$19.5B
$9.95M 2.12%
1,212,400
+638,600
+111% +$4.86M
CLFD icon
8
Clearfield
CLFD
$421M
$8.9M 1.89%
94,540
+35,550
+60% +$3.75M
LNTH icon
9
Lantheus
LNTH
$6.82B
$8.41M 1.79%
164,940
-29,010
-15% -$1.79M
HALO icon
10
Halozyme
HALO
$9.72B
$8.16M 1.73%
143,390
+26,850
+23% +$1.37M
VRTV
11
DELISTED
VERITIV CORPORATION
VRTV
$7.56M 1.61%
62,142
+500
+0.8% +$60.6K
BDC icon
12
Belden
BDC
$4B
$6.6M 1.4%
91,769
+16,604
+22% +$1.21M
PERI icon
13
Perion Network
PERI
$367M
$6.26M 1.33%
247,400
+80,400
+48% +$1.96M
ATEC icon
14
Alphatec Holdings
ATEC
$1.27B
$6.22M 1.32%
503,290
+50,730
+11% +$511K
MODN
15
DELISTED
MODEL N, INC.
MODN
$5.89M 1.25%
145,340
+3,600
+3% +$136K
CLH icon
16
Clean Harbors
CLH
$16.1B
$5.52M 1.17%
48,335
+25,660
+113% +$3M
TMDX icon
17
Transmedics
TMDX
$2.5B
$5.09M 1.08%
+82,400
New +$4.38M
AMRC icon
18
Ameresco
AMRC
$1.15B
$4.93M 1.05%
86,208
+28,200
+49% +$1.72M
ACHC icon
19
Acadia Healthcare
ACHC
$3.17B
$4.84M 1.03%
58,780
+3,775
+7% +$311K
ICFI icon
20
ICF International
ICFI
$1.44B
$4.3M 0.91%
43,400
+13,900
+47% +$1.51M
CIEN icon
21
Ciena
CIEN
$55.3B
$4.1M 0.87%
+80,385
New +$3.63M
CDNS icon
22
Cadence Design Systems
CDNS
$90B
$4.1M 0.87%
25,500
+900
+4% +$144K
EVH icon
23
Evolent Health
EVH
$475M
$3.91M 0.83%
139,340
+40,930
+42% +$1.17M
MXL icon
24
MaxLinear
MXL
$6.49B
$3.85M 0.82%
113,460
+38,025
+50% +$1.29M
BELFB
25
Bel Fuse Inc Class B
BELFB
$3.88B
$3.78M 0.8%
114,800
+10,000
+10% +$326K
1
2 3 4 5

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Oberweis Asset Management's Q4 2022 Portfolio in Review

As of Q4 2022, Oberweis Asset Management held 199 positions worth $470M, up 10% from $427M the previous quarter. Its ten largest holdings account for 35% of the portfolio.

Oberweis Asset Management's Q4 2022 filing shows 26 new, 113 increased, 13 reduced and 31 closed positions. Its largest new stake was Transmedics: 82,400 shares worth $5.09M. The largest sale was Nova, an estimated $44.1M.

By sector, the portfolio is most concentrated in Technology at 29% of assets, down from 40% a quarter earlier, followed by Materials and Healthcare.

  • Oberweis Asset Management's largest Q4 2022 buy was Transmedics: 82,400 shares worth $5.09M.
  • Oberweis Asset Management added most to Impinj in Q4 2022, an estimated $7.9M increase.
  • Oberweis Asset Management's biggest Q4 2022 reduction was Constellium, cutting an estimated $6.61M.
  • Oberweis Asset Management fully exited Nova in Q4 2022, selling an estimated $44.1M.
  • Oberweis Asset Management's ten largest holdings make up 35% of its $470M portfolio in Q4 2022.
  • Oberweis Asset Management opened 26 new positions and closed 31 in Q4 2022.
  • Oberweis Asset Management's portfolio value rose 10% quarter-over-quarter to $470M.

Based on Oberweis Asset Management's 13F filing for Q4 2022, filed 14 Feb 2023.