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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
+9.41%
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
$2.12B
AUM Growth
+$170M
Cap. Flow
+$137M
Cap. Flow %
6.46%
Top 10 Hldgs %
17.9%
Holding
237
New
31
Increased
114
Reduced
26
Closed
41

Top Buys

Rank Stock Value
1
DORM icon
Dorman Products
DORM
+$23M
2
RMBS icon
Rambus
RMBS
+$20.9M
3
ACA icon
Arcosa
ACA
+$20.4M
4
PRMB
Primo Brands
PRMB
+$18.7M
5
CARG icon
CarGurus
CARG
+$17.2M

Top Sells

Rank Stock Value
1
TMDX icon
Transmedics
TMDX
+$26.5M
2
CROX icon
Crocs
CROX
+$22.1M
3
LNTH icon
Lantheus
LNTH
+$21M
4
TDW icon
Tidewater
TDW
+$15.2M
5
IBP icon
Installed Building Products
IBP
+$13.7M

Sector Composition

Rank Sector Weight
1 Technology 31.51%
2 Healthcare 21.76%
3 Consumer Discretionary 14.57%
4 Industrials 14.36%
5 Consumer Staples 6.74%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HIMS icon
26
Hims & Hers Health
HIMS
$7.25B
$20.4M 0.96%
843,600
-100,000
-11% -$2.48M
MMSI icon
27
Merit Medical Systems
MMSI
$5.21B
$20.2M 0.95%
208,760
+6,620
+3% +$660K
WFRD icon
28
Weatherford International
WFRD
$6.3B
$19.8M 0.93%
275,888
-60,826
-18% -$4.99M
ACA icon
29
Arcosa
ACA
$7.14B
$19.6M 0.93%
+203,000
New +$20.4M
PRMB
30
Primo Brands
PRMB
$9.12B
$19.5M 0.92%
+632,400
New +$18.7M
BRBR icon
31
BellRing Brands
BRBR
$1.46B
$19.1M 0.9%
253,100
+47,100
+23% +$3.35M
PRIM icon
32
Primoris Services
PRIM
$4.6B
$18.6M 0.87%
242,900
+33,000
+16% +$2.41M
AAOI icon
33
Applied Optoelectronics
AAOI
$10.6B
$18.3M 0.86%
495,815
-370,100
-43% -$9.96M
CARG icon
34
CarGurus
CARG
$3.28B
$18.3M 0.86%
+500,000
New +$17.2M
TNDM icon
35
Tandem Diabetes Care
TNDM
$1.34B
$18.2M 0.86%
506,600
+58,550
+13% +$1.98M
CCS icon
36
Century Communities
CCS
$2.04B
$18.2M 0.86%
248,000
+55,300
+29% +$4.93M
BOX icon
37
Box
BOX
$4.44B
$17.6M 0.83%
558,500
+36,500
+7% +$1.2M
HAE icon
38
Haemonetics
HAE
$3.85B
$17.6M 0.83%
224,920
+47,125
+27% +$3.79M
ELF icon
39
e.l.f. Beauty
ELF
$5.16B
$17.3M 0.82%
137,700
+99,300
+259% +$11.9M
ACIW icon
40
ACI Worldwide
ACIW
$5.85B
$17.3M 0.81%
333,012
+127,300
+62% +$6.77M
AIZ icon
41
Assurant
AIZ
$14.8B
$17.3M 0.81%
81,000
+12,600
+18% +$2.62M
GAP
42
The Gap Inc
GAP
$7.4B
$17.2M 0.81%
+726,500
New +$16.6M
OSIS icon
43
OSI Systems
OSIS
$3.91B
$16.8M 0.79%
100,400
+31,200
+45% +$4.95M
DECK icon
44
Deckers Outdoor
DECK
$13.5B
$16.7M 0.79%
82,340
+30,500
+59% +$5.51M
AMSC icon
45
American Superconductor
AMSC
$1.61B
$16.4M 0.77%
664,400
– –
YOU icon
46
Clear Secure
YOU
$5.86B
$16.2M 0.77%
609,400
+30,000
+5% +$906K
CAMT icon
47
Camtek
CAMT
$6.99B
$16.2M 0.76%
199,980
+21,800
+12% +$1.71M
AVAV icon
48
AeroVironment
AVAV
$8.57B
$15.8M 0.75%
102,720
+9,980
+11% +$1.95M
CLBT icon
49
Cellebrite
CLBT
$3.9B
$15.3M 0.72%
692,910
+8,100
+1% +$156K
FORM icon
50
FormFactor
FORM
$9.02B
$14.8M 0.7%
337,480
+6,700
+2% +$288K
1
2
3 4 5

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Oberweis Asset Management's Q4 2024 Portfolio in Review

As of Q4 2024, Oberweis Asset Management held 237 positions worth $2.12B, up 8.7% from $1.95B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

Oberweis Asset Management deployed $137M of net new capital in Q4 2024, opening 31 new positions and adding to 114 existing holdings. Its largest new stake was Dorman Products: 179,720 shares worth $23.3M.

By sector, the portfolio is most concentrated in Technology at 32% of assets, up from 30% a quarter earlier, followed by Healthcare and Consumer Discretionary.

On the sell side, the largest reduction was Applied Optoelectronics, an estimated $9.96M trimmed.

  • Oberweis Asset Management's largest Q4 2024 buy was Dorman Products: 179,720 shares worth $23.3M.
  • Oberweis Asset Management added most to e.l.f. Beauty in Q4 2024, an estimated $11.9M increase.
  • Oberweis Asset Management's biggest Q4 2024 reduction was Applied Optoelectronics, cutting an estimated $9.96M.
  • Oberweis Asset Management fully exited Transmedics in Q4 2024, selling an estimated $26.5M.
  • Oberweis Asset Management's ten largest holdings make up 18% of its $2.12B portfolio in Q4 2024.
  • Oberweis Asset Management opened 31 new positions and closed 41 in Q4 2024.
  • Oberweis Asset Management's portfolio value rose 8.7% quarter-over-quarter to $2.12B.

Based on Oberweis Asset Management's 13F filing for Q4 2024, filed 14 Feb 2025.