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OBERWEIS ASSET MANAGEMENT INC/ 13F 持仓明细(2026-03-31) · 小隐寺数据中心
OBERWEIS ASSET MANAGEMENT INC/
报告期 2026-03-31 · CIK 0000937886
持仓数
180
前50大市值合计
$2.09B
报告期
2026-03-31
当前持仓
调仓
组合演变
前 6 大持仓 + 其他 逐季市值($B) · 点图或下方季度看该季调仓
看某季调仓:
26Q1
25Q4
25Q3
25Q2
25Q1
24Q4
24Q3
24Q2
24Q1
23Q4
23Q3
23Q2
23Q1
22Q4
22Q3
22Q2
22Q1
21Q4
21Q3
21Q4 调仓
2021-09-30 → 2021-12-31 · 共 150 项
建仓 23
增持 67
减持 35
清仓 25
方向
标的
Δ市值
现股数(环比)
建仓
—
Nova Measuring Instruments
+$77.7M
530,200
减持
—
Constellium NV Cl A
-$23.7M
5,491,697
-15%
减持
SE
Sea Ltd
-$20.4M
39,200
-57%
调仓由相邻两季 13F 持仓相减推导(非逐笔成交);方向按股数增减,Δ市值受股价波动影响、符号可与方向相反;13F 申报滞后最长 45 天。
减持
DAVA
Endava Plc Ads
-$11.7M
409,187
-31%
清仓
—
Global-e Online Ltd.
-$7.7M
0
-100%
建仓
DDOG
Datadog, Inc. Class A
+$7.6M
42,800
清仓
ORGO
Organogenesis Hlgs, Inc.
-$7.2M
0
-100%
增持
MTRN
Materion Corp.
+$6.1M
69,657
+1686%
减持
SYNA
Synaptics, Inc.
+$4.7M
51,620
-10%
增持
ACLS
Axcelis Technologies
+$4.3M
155,000
+1%
增持
UCTT
Ultra Clean Holdings
+$4.3M
141,630
+58%
减持
SHOP
Shopify, Inc.
-$3.7M
2,600
-51%
建仓
LNTH
Lantheus Hldgs Inc.
+$3.1M
107,100
清仓
CDNA
CareDx, Inc.
-$3.0M
0
-100%
增持
—
Angiodynamics, Inc.
+$2.9M
204,210
+92%
清仓
RRGB
Red Robin Gourmet Burger
-$2.6M
0
-100%
增持
BDC
Belden, Inc.
+$2.2M
39,270
+533%
建仓
—
Perion Network, Ltd.
+$2.1M
85,600
增持
—
Vocera Communications, Inc.
+$2.0M
61,326
+42%
建仓
INVE
Identiv Inc.
+$1.8M
64,200
建仓
FORR
Forrester Research, Inc.
+$1.7M
29,700
增持
CDNS
Cadence Design System, Inc.
+$1.7M
36,900
+9%
增持
BLDR
Builders Firstsource
+$1.7M
49,880
+2%
减持
MBUU
Malibu Boats, Inc.
-$1.6M
32,500
-41%
增持
—
Veritiv Corp.
+$1.5M
42,242
+2%
清仓
CVGI
Commercial Vehicle Group
-$1.5M
0
-100%
增持
VREX
Varex Imaging Corp.
+$1.5M
97,600
+71%
增持
HALO
Halozyme Therapeutics, Inc.
+$1.4M
105,650
+51%
建仓
—
a.k.a. Brands Hldg Corp.
+$1.4M
151,000
减持
CLFD
Clearfield, Inc.
+$1.4M
40,000
-11%
建仓
FNKO
Funko, Inc.
+$1.3M
71,100
增持
EXTR
Extreme Networks, Inc.
+$1.3M
160,400
+30%
清仓
LE
Lands' End, Inc.
-$1.3M
0
-100%
清仓
TBI
TrueBlue, Inc.
-$1.1M
0
-100%
建仓
TLYS
Tilly's, Inc.
+$1.1M
69,700
建仓
IMXI
International Money Express, I
+$1.1M
68,900
清仓
—
Superior Industries Intl. Inc.
-$1.1M
0
-100%
增持
—
Houghton Mifflin Harcourt Comp
+$987.0K
124,700
+64%
增持
MXL
Maxlinear, Inc. Class A
+$943.0K
34,850
+2%
增持
—
Cyberoptics Corp.
+$939.0K
38,700
+60%
清仓
LOCO
El Pollo Loco Hldgs, Inc.
-$938.0K
0
-100%
建仓
—
Earthstone Energy Inc.
+$932.0K
85,200
增持
RPD
Rapid7, Inc.
+$919.0K
23,090
+45%
增持
—
Everi Hldgs, Inc.
+$899.0K
113,800
+80%
减持
BOOT
Boot Barn Hldgs, Inc.
+$882.0K
30,500
-6%
清仓
—
Absolute Software Corp.
-$820.0K
0
-100%
增持
—
Inmode Ltd.
-$788.0K
79,400
+98%
清仓
HP
Helmerich & Payne
-$773.0K
0
-100%
清仓
—
Tupperware Corp.
-$771.0K
0
-100%
清仓
HOFT
Hooker Furniture Corp
-$769.0K
0
-100%
增持
DZSIQ
DZS, Inc.
+$756.0K
119,800
+24%
减持
UPWK
Upwork, Inc.
-$699.0K
22,000
-32%
增持
DECK
Deckers Outdoor Corp.
+$696.0K
20,810
+8%
增持
FLL
Full House Resorts, Inc.
+$689.0K
190,543
+25%
清仓
TZOO
Travelzoo
-$661.0K
0
-100%
增持
TDC
Teradata Corp
+$660.0K
24,460
+271%
减持
AEHR
Aehr Test Systems
+$646.0K
91,800
-20%
减持
AMRC
Ameresco, Inc.
+$638.0K
34,608
-7%
增持
—
Avid Technology, Inc.
+$638.0K
37,100
+88%
增持
ATEC
Alphatec Hldgs Inc.
+$635.0K
674,170
+16%
清仓
STRT
Strattec Security Corp.
-$626.0K
0
-100%
增持
—
Camtek, Ltd.
+$567.0K
48,380
+18%
增持
—
Adtran, Inc.
+$538.0K
59,400
+36%
清仓
—
Golden Nugget Online Gaming, I
-$521.0K
0
-100%
减持
—
Guess, Inc
-$516.0K
204,781
-20%
增持
—
EnPro Industries, Inc.
+$513.0K
15,900
+12%
增持
CROX
Crocs, Inc.
-$477.0K
49,960
+4%
增持
HSTM
Healthstream Inc.
+$470.0K
67,500
+47%
增持
TITN
Titan Machinery, Inc.
+$442.0K
39,500
+15%
增持
BJ
BJs Wholesale Club Holdings, I
+$440.0K
24,690
+12%
清仓
—
II-VI Inc.
-$404.0K
0
-100%
减持
—
ChannelAdvisor Corporation
-$392.0K
382,750
-2%
增持
MHO
M/I Homes, Inc.
+$384.0K
34,900
+13%
建仓
DIOD
Diodes, Inc.
+$373.0K
3,400
减持
—
Model N, Inc.
-$372.0K
88,190
-2%
增持
—
SeaWorld Entertainment Inc.
+$341.0K
30,460
+3%
增持
—
Resources Connection, Inc.
+$313.0K
106,800
+6%
增持
STRL
Sterling Construction Co., Inc
+$306.0K
67,900
+4%
增持
MCRI
Monarch Casino & Resort, Inc.
+$297.0K
24,400
+8%
清仓
—
Select Medical Hldgs. Corp
-$293.0K
0
-100%
建仓
KN
Knowles Corp.
+$292.0K
12,500
建仓
—
Univar Solutions, Inc.
+$292.0K
10,300
清仓
—
Realogy Hldgs Corp.
-$288.0K
0
-100%
建仓
CBT
Cabot Corp.
+$287.0K
5,100
清仓
CVLT
Commvault Systems, Inc.
-$286.0K
0
-100%
减持
TREX
Trex Company, Inc.
+$286.0K
8,810
-1%
建仓
RAMP
Liveramp Hldgs, Inc.
+$283.0K
5,900
增持
IPAR
Inter Parfums
+$281.0K
5,500
+34%
增持
ICFI
ICF International, Inc.
+$279.0K
16,300
+4%
增持
OOMA
OOMA Inc.
+$275.0K
58,300
+18%
清仓
—
Beacon Roofing Supply
-$272.0K
0
-100%
减持
SSTK
Shutterstock, Inc.
-$271.0K
73,515
-1%
建仓
MMSI
Merit Medical System Inc
+$262.0K
4,200
建仓
—
Arco Platform Ltd. Com Cl A
+$261.0K
12,500
清仓
—
Heska Corp Com Restrc New
-$259.0K
0
-100%
建仓
NVDA
Nvidia Corp.
+$259.0K
880
清仓
TTEC
TTEC Hldgs, Inc.
-$253.0K
0
-100%
增持
ASYS
Amtech Systems, Inc.
+$241.0K
102,500
+52%
增持
MTSI
Macom Technology Solutions
+$238.0K
6,100
+65%
建仓
ZIP
ZipRecruiter, Inc.
+$237.0K
9,500
建仓
—
Tri Pointe Homes, Inc.
+$237.0K
8,500
清仓
CENT
Central Garden & Pet Co.
-$235.0K
0
-100%
减持
—
Masonite Intl Corp.
+$230.0K
21,675
-1%
建仓
—
Focus Finl Partners, Inc.
+$227.0K
3,800
清仓
BABA
Alibaba Group Holding Ltd ADR
-$221.0K
0
-100%
建仓
PRG
PROG Holdings, Inc.
+$203.0K
4,500
增持
SKY
Skyline Champion Corporation
+$201.0K
6,800
+21%
减持
NOTVQ
Inotiv, Inc.
-$200.0K
23,457
-42%
增持
SCSC
Scansource, Inc.
+$199.0K
40,400
+15%
增持
—
Dada Nexus Limited
+$174.0K
39,600
+129%
增持
SPY
SPDR S&P 500 ETF Trust
+$170.0K
3,599
+0%
增持
EIG
Employers Holdings, Inc.
+$170.0K
25,100
+14%
减持
III
Information Svcs Group, Inc.
-$165.0K
199,800
-15%
增持
KFY
Korn Ferry
+$145.0K
6,500
+35%
减持
—
Entravision Communications
-$131.0K
270,100
-2%
增持
HCKT
Hackett Group, Inc.
+$130.0K
57,500
+7%
增持
CARG
CarGurus, Inc.
+$124.0K
17,600
+18%
增持
MBWM
Mercantile Bank Corp.
+$119.0K
39,834
+0%
增持
AMPH
Amphastar Pharmaceuticals, Inc
+$112.0K
13,500
+27%
减持
—
Perficient Inc.
-$109.0K
8,200
-19%
增持
—
Techtarget, Inc.
+$94.0K
3,400
+21%
增持
—
Summit Materials, Inc.
+$92.0K
9,700
+4%
增持
STC
Stewart Information Services
+$89.0K
4,600
+5%
减持
MA
Mastercard, Inc.
-$89.0K
1,004
-22%
增持
LRN
Stride, Inc.
+$89.0K
11,200
+42%
增持
—
Heidrick & Struggles
+$83.0K
37,400
+7%
增持
SGI
Tempur Sealy International, In
+$80.0K
39,983
+3%
增持
—
Antares Pharma, Inc.
+$75.0K
251,200
+11%
增持
OPCH
Option Care Health Inc.
+$72.0K
10,800
+11%
增持
ACHC
Acadia Healthcare Co., Inc.
+$72.0K
47,095
+8%
增持
PATK
Patrick Industries, Inc.
+$61.0K
14,800
+9%
减持
JPM
JP Morgan Chase & Company Inc.
-$59.0K
4,047
-5%
增持
BWIN
BRP Group, Inc.
+$54.0K
7,400
+16%
增持
RVLV
Revolve Group, Inc.
+$50.0K
6,300
+29%
增持
AVNW
Aviat Networks, Inc.
-$48.0K
82,107
+1%
减持
INTC
Intel Corporation
-$44.0K
4,880
-12%
增持
FFWM
First Foundation Inc.
-$43.0K
33,700
+1%
减持
AAPL
Apple, Inc.
+$36.0K
6,146
-18%
减持
—
Alphabet, Inc. Cl C
-$36.0K
80
-20%
增持
—
SP Plus Corporation
+$27.0K
37,600
+12%
减持
NEM
Newmont Mining
+$27.0K
5,851
-6%
增持
MCD
McDonald's Corporation
+$23.0K
834
+0%
减持
KFRC
KForce, Inc.
-$21.0K
13,600
-22%
减持
VZ
Verizon Communications
-$20.0K
4,242
-5%
减持
KMT
Kennametal, Inc.
-$17.0K
8,100
-10%
减持
TRV
The Travelers Co., Inc.
-$14.0K
2,218
-7%
减持
JNJ
Johnson & Johnson
+$11.0K
2,686
-3%
减持
—
Arconic Corporation
-$11.0K
57,370
-5%
减持
WMT
Wal Mart Stores Inc.
-$10.0K
1,581
-8%
减持
AMGN
Amgen, Inc.
-$8.0K
1,378
-8%
