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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
GDYN icon
76
Grid Dynamics Holdings
GDYN
$615M
$11.2M 0.53%
503,000
+99,100
+25% +$1.73M
SPXC icon
77
SPX Corp
SPXC
$10.7B
$11M 0.52%
75,400
+13,600
+22% +$2.19M
ICHR icon
78
Ichor Holdings
ICHR
$2.45B
$10.9M 0.51%
+337,800
New +$10.4M
CBSH icon
79
Commerce Bancshares
CBSH
$8.51B
$10.5M 0.49%
176,180
+45,754
+35% +$2.76M
OSPN icon
80
OneSpan
OSPN
$598M
$10.1M 0.48%
545,450
+174,750
+47% +$2.97M
DUOL icon
81
Duolingo
DUOL
$5.74B
$10.1M 0.47%
31,000
– –
CPRX
82
DELISTED
Catalyst Pharmaceutical
CPRX
$9.75M 0.46%
467,100
+8,700
+2% +$187K
UAA icon
83
Under Armour
UAA
$2.73B
$9.55M 0.45%
+1,153,200
New +$10.5M
WGS icon
84
GeneDx Holdings
WGS
$2.08B
$9.49M 0.45%
123,500
+1,500
+1% +$105K
LMB icon
85
Limbach Holdings
LMB
$572M
$9.48M 0.45%
110,800
– –
LMAT icon
86
LeMaitre Vascular
LMAT
$1.85B
$9.43M 0.44%
102,305
+1,601
+2% +$154K
OSW icon
87
OneSpaWorld
OSW
$2.69B
$9.26M 0.44%
465,400
+42,600
+10% +$791K
CDNA icon
88
CareDx
CDNA
$2.32B
$9.07M 0.43%
423,471
+128,971
+44% +$3.14M
ABCB icon
89
Ameris Bancorp
ABCB
$5.92B
$9.02M 0.43%
144,100
+16,200
+13% +$1.06M
AORT icon
90
Artivion
AORT
$1.29B
$8.95M 0.42%
312,900
+30,500
+11% +$846K
FIVE icon
91
Five Below
FIVE
$12.8B
$8.92M 0.42%
+85,000
New +$8.13M
PLYA
92
DELISTED
Playa Hotels & Resorts
PLYA
$8.92M 0.42%
705,100
-67,400
-9% -$638K
HQY icon
93
HealthEquity
HQY
$8.65B
$8.78M 0.41%
91,500
+7,100
+8% +$662K
PAYO icon
94
Payoneer
PAYO
$2.41B
$8.62M 0.41%
858,691
– –
SPSC icon
95
SPS Commerce
SPSC
$2.59B
$8.57M 0.4%
46,600
+11,900
+34% +$2.23M
COCO icon
96
Vita Coco
COCO
$3.71B
$8.54M 0.4%
231,500
+65,800
+40% +$2.19M
SIMO icon
97
Silicon Motion
SIMO
$9.07B
$8.53M 0.4%
157,900
-119,400
-43% -$6.69M
WAY
98
Waystar Holding Corp
WAY
$4.48B
$8.49M 0.4%
+231,300
New +$7.11M
EXLS icon
99
EXL Service
EXLS
$5.25B
$8.47M 0.4%
190,800
+9,800
+5% +$424K
EZPW icon
100
Ezcorp Inc
EZPW
$1.79B
$8.38M 0.39%
685,500
– –
2 3
4
5 6

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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.