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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
+15.37%
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
$1.07B
AUM Growth
+$132M
Cap. Flow
+$30.6M
Cap. Flow %
2.85%
Top 10 Hldgs %
21.68%
Holding
238
New
43
Increased
106
Reduced
35
Closed
46

Top Buys

Rank Stock Value
1
AMPH icon
Amphastar Pharmaceuticals
AMPH
+$9.86M
2
ACLS icon
Axcelis
ACLS
+$7.14M
3
ITGR icon
Integer Holdings
ITGR
+$6.11M
4
SKYW icon
Skywest
SKYW
+$6.01M
5
ESAB icon
ESAB
ESAB
+$5.99M

Top Sells

Rank Stock Value
1
CSTM icon
Constellium
CSTM
+$19M
2
LNTH icon
Lantheus
LNTH
+$11.8M
3
EXTR icon
Extreme Networks
EXTR
+$9.24M
4
BDC icon
Belden
BDC
+$8.83M
5
DECK icon
Deckers Outdoor
DECK
+$8.33M

Sector Composition

Rank Sector Weight
1 Technology 25.58%
2 Industrials 21.72%
3 Healthcare 21.62%
4 Consumer Discretionary 10.62%
5 Energy 5.6%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PSN icon
26
Parsons
PSN
$5.1B
$8.34M 0.78%
133,000
+1,700
+1% +$103K
BELFB
27
Bel Fuse Inc Class B
BELFB
$4.18B
$8.3M 0.77%
124,300
+2,800
+2% +$150K
ZETA icon
28
Zeta Global
ZETA
$6.75B
$8.25M 0.77%
935,480
+260,780
+39% +$2.19M
MMSI icon
29
Merit Medical Systems
MMSI
$5.21B
$8.13M 0.76%
107,090
+11,430
+12% +$798K
POWI icon
30
Power Integrations
POWI
$3.45B
$8.06M 0.75%
98,195
+3,622
+4% +$278K
DECK icon
31
Deckers Outdoor
DECK
$13.5B
$8.05M 0.75%
72,270
-81,930
-53% -$8.33M
FCFS icon
32
FirstCash
FCFS
$9.02B
$8.04M 0.75%
74,200
+12,500
+20% +$1.35M
ALGM icon
33
Allegro MicroSystems
ALGM
$7.79B
$7.81M 0.73%
257,980
+32,050
+14% +$915K
PLAB icon
34
Photronics
PLAB
$1.89B
$7.76M 0.72%
247,500
+17,400
+8% +$387K
NVTS icon
35
Navitas Semiconductor
NVTS
$3.22B
$7.75M 0.72%
959,900
+47,400
+5% +$318K
STRL icon
36
Sterling Infrastructure
STRL
$16.4B
$7.74M 0.72%
88,000
-22,000
-20% -$1.59M
BLBD icon
37
Blue Bird Corp
BLBD
$2.43B
$7.73M 0.72%
286,700
-19,800
-6% -$408K
ACMR icon
38
ACM Research
ACMR
$5.52B
$7.69M 0.72%
393,400
+51,600
+15% +$902K
FSS icon
39
Federal Signal
FSS
$7.95B
$7.58M 0.71%
98,830
+7,430
+8% +$495K
VECO icon
40
Veeco
VECO
$3.23B
$7.45M 0.69%
240,000
+13,200
+6% +$368K
SPXC icon
41
SPX Corp
SPXC
$10.8B
$7.37M 0.69%
73,000
+5,000
+7% +$433K
EVH icon
42
Evolent Health
EVH
$346M
$7.09M 0.66%
214,540
-40,920
-16% -$1.16M
WWD icon
43
Woodward
WWD
$22B
$7.08M 0.66%
52,000
+3,200
+7% +$418K
ITGR icon
44
Integer Holdings
ITGR
$4.24B
$7.03M 0.66%
+71,000
New +$6.11M
ACHC icon
45
Acadia Healthcare
ACHC
$3B
$7.01M 0.65%
90,200
+12,400
+16% +$918K
WEAV icon
46
Weave Communications
WEAV
$541M
$6.99M 0.65%
609,400
+85,800
+16% +$761K
SKYW icon
47
Skywest
SKYW
$4.6B
$6.98M 0.65%
+133,700
New +$6.01M
PRIM icon
48
Primoris Services
PRIM
$4.52B
$6.97M 0.65%
209,900
+31,300
+18% +$976K
IPAR icon
49
Interparfums
IPAR
$3.95B
$6.97M 0.65%
48,400
+6,800
+16% +$888K
JBI icon
50
Janus International
JBI
$769M
$6.9M 0.64%
528,400
+149,800
+40% +$1.59M
1
2
3 4 5

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Oberweis Asset Management's Q4 2023 Portfolio in Review

As of Q4 2023, Oberweis Asset Management held 238 positions worth $1.07B, up 14% from $941M the previous quarter. Its ten largest holdings account for 22% of the portfolio.

Oberweis Asset Management's Q4 2023 filing shows 43 new, 106 increased, 35 reduced and 46 closed positions. Its largest new stake was Integer Holdings: 71,000 shares worth $7.03M. The largest sale was Constellium, an estimated $19M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 28% a quarter earlier, followed by Industrials and Healthcare.

  • Oberweis Asset Management's largest Q4 2023 buy was Integer Holdings: 71,000 shares worth $7.03M.
  • Oberweis Asset Management added most to Amphastar Pharmaceuticals in Q4 2023, an estimated $9.86M increase.
  • Oberweis Asset Management's biggest Q4 2023 reduction was Constellium, cutting an estimated $19M.
  • Oberweis Asset Management fully exited Lantheus in Q4 2023, selling an estimated $11.8M.
  • Oberweis Asset Management's ten largest holdings make up 22% of its $1.07B portfolio in Q4 2023.
  • Oberweis Asset Management opened 43 new positions and closed 46 in Q4 2023.
  • Oberweis Asset Management's portfolio value rose 14% quarter-over-quarter to $1.07B.

Based on Oberweis Asset Management's 13F filing for Q4 2023, filed 14 Feb 2024.