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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
AVNW icon
201
Aviat Networks
AVNW
$272M
– –
-199,307
Closed -$4.31M
AXTI icon
202
AXT Inc
AXTI
$4.92B
– –
-865,721
Closed -$2.1M
BLKB icon
203
Blackbaud
BLKB
$2.1B
– –
-76,300
Closed -$6.46M
BMI icon
204
Badger Meter
BMI
$3.98B
– –
-60,300
Closed -$13.2M
CECO icon
205
Ceco Environmental
CECO
$4.01B
– –
-201,400
Closed -$5.68M
CROX icon
206
Crocs
CROX
$6.43B
– –
-152,900
Closed -$22.1M
DVAX
207
DELISTED
Dynavax Technologies
DVAX
– –
-366,200
Closed -$4.08M
EPAC icon
208
Enerpac Tool Group
EPAC
$1.92B
– –
-77,300
Closed -$3.24M
ERII icon
209
Energy Recovery
ERII
$446M
– –
-363,700
Closed -$6.32M
EMBJ
210
Embraer S.A. ADS
EMBJ
$12.8B
– –
-10,300
Closed -$364K
ESAB icon
211
ESAB
ESAB
$5.88B
– –
-89,800
Closed -$9.55M
FCX icon
212
Freeport-McMoran
FCX
$95.5B
– –
-4,027
Closed -$201K
FIX icon
213
Comfort Systems
FIX
$60.3B
– –
-25,200
Closed -$9.84M
HLIT icon
214
Harmonic Inc
HLIT
$1.27B
– –
-303,000
Closed -$4.41M
IBP icon
215
Installed Building Products
IBP
$6.52B
– –
-55,700
Closed -$13.7M
INSW icon
216
International Seaways
INSW
$4.61B
– –
-186,700
Closed -$9.63M
ITGR icon
217
Integer Holdings
ITGR
$4.29B
– –
-88,100
Closed -$11.5M
KWR icon
218
Quaker Houghton
KWR
$2.88B
– –
-37,700
Closed -$6.35M
LBRT icon
219
Liberty Energy
LBRT
$3.27B
– –
-326,500
Closed -$6.23M
LNTH icon
220
Lantheus
LNTH
$6.6B
– –
-191,400
Closed -$21M
LNW
221
DELISTED
Light & Wonder
LNW
– –
-55,300
Closed -$5.02M
LPG icon
222
Dorian LPG
LPG
$1.9B
– –
-84,800
Closed -$2.92M
MMS icon
223
Maximus
MMS
$3.06B
– –
-106,800
Closed -$9.95M
MPWR icon
224
Monolithic Power Systems
MPWR
$66.8B
– –
-750
Closed -$693K
MSA icon
225
Mine Safety
MSA
$7.48B
– –
-34,900
Closed -$6.19M
6 7 8
9
10

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DFO
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VFCM
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MCM
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EFM
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DIA
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5NCM
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QCG
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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.