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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
24Q2 调仓
2024-03-31 → 2024-06-30 · 共 150 项
建仓 26
增持 80
减持 22
清仓 22
方向
标的
Δ市值
现股数(环比)
增持
—
Credo Technology Group
+$18.1M
780,330
+142%
建仓
HIMS
Hims & Hers Health, Inc.
+$15.8M
785,000
增持
ZETA
Zeta Global Holdings Corp.
+$15.1M
1,588,380
+34%
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。
增持
—
SharkNinja, Inc.
+$15.0M
394,660
+68%
建仓
—
Tidewater Inc
+$14.1M
148,095
减持
TMDX
TransMedics Group, Inc.
+$13.5M
187,090
-6%
减持
AMPH
Amphastar Pharmaceuticals, Inc
-$12.9M
135,055
-68%
清仓
ACHC
Acadia Healthcare Co., Inc.
-$12.0M
0
-100%
建仓
TNDM
Tandem Diabetes Care, Inc.
+$11.4M
282,000
清仓
—
Axonics, Inc.
-$11.3M
0
-100%
清仓
EVH
Evolent Health, Inc.
-$11.1M
0
-100%
减持
ACLS
Axcelis Technologies
-$10.3M
91,799
-56%
增持
—
Weatherford International PLC
+$10.2M
292,770
+32%
增持
ANF
Abercrombie & Fitch Co.
+$10.1M
90,700
+89%
建仓
BMI
Badger Meter
+$9.5M
51,200
建仓
STRA
Strategic Education, Inc.
+$9.3M
83,800
增持
ONTO
Onto Innovation, Inc.
+$9.1M
129,545
+21%
建仓
MYGN
Myriad Genetics Inc.
+$8.8M
360,700
清仓
GO
Grocery Outlet Hldg Corp.
-$8.5M
0
-100%
增持
EHC
Encompass Health Corporation
+$8.2M
292,187
+43%
增持
OLED
Universal Display Corp.
+$8.0M
100,048
+29%
增持
FORM
Formfactor Inc.
+$7.7M
305,780
+29%
减持
VRT
Vertiv Holdings Co.
-$7.6M
128,810
-44%
减持
STRL
Sterling Construction Co., Inc
-$7.4M
27,300
-72%
增持
CLH
Clean Harbors, Inc.
+$7.0M
103,245
+27%
增持
AMSC
American Superconductor
+$7.0M
664,400
+5%
清仓
IPAR
Inter Parfums
-$6.8M
0
-100%
建仓
—
Alpha & Omega Semiconductor
+$6.7M
180,000
清仓
MCRI
Monarch Casino & Resort, Inc.
-$6.5M
0
-100%
清仓
GIII
G-III Apparel Group Ltd.
-$6.4M
0
-100%
增持
—
LivaNova Plc
+$6.4M
322,685
+59%
建仓
BROS
Dutch Bros., Inc.
+$6.3M
152,700
增持
ELF
e.l.f. Beauty, Inc.
+$6.2M
69,920
+60%
清仓
MOD
Modine Mfg Co Com
-$6.1M
0
-100%
减持
AEHR
Aehr Test Systems
-$6.0M
534,400
-45%
建仓
SPSC
SPS Comm Inc.
+$6.0M
31,800
增持
SKYW
Skywest Inc
+$5.8M
291,050
+11%
增持
SIMO
Silicon Motion Techn ADR
+$5.7M
277,300
+28%
增持
RAMP
Liveramp Hldgs, Inc.
+$5.7M
512,630
+73%
建仓
ADUS
Addus Homecare Corp.
+$5.5M
47,500
建仓
KEX
Kirby Corp.
+$5.3M
44,350
增持
FLS
Flowserve Corporation
+$5.3M
370,134
+35%
减持
ATEC
Alphatec Hldgs Inc.
-$5.2M
1,327,360
-4%
增持
—
Constellium NV Cl A
-$5.2M
1,838,871
+2%
清仓
SSD
Simpson Manufacturing
-$5.1M
0
-100%
建仓
QTWO
Q2 Holdings, Inc.
+$5.1M
84,110
清仓
SNCY
Sun Country Airlines Holdings,
-$4.9M
0
-100%
增持
SFM
Sprouts Farmers Markets LLC
+$4.9M
108,500
+68%
增持
ACIW
ACI Worldwide Inc.
+$4.9M
412,662
+20%
增持
CROX
Crocs, Inc.
+$4.8M
127,100
+33%
建仓
—
Verint Sys Inc.
+$4.8M
150,000
增持
MMSI
Merit Medical System Inc
+$4.8M
193,840
+24%
建仓
OSPN
OneSpan, Inc.
+$4.8M
370,700
清仓
RPD
Rapid7, Inc.
-$4.6M
0
-100%
增持
AAOI
Applied Optoelectronics Inc.
-$4.6M
865,915
+2%
增持
LRN
Stride, Inc.
+$4.5M
123,300
+87%
清仓
—
H&E Equipment Services, Inc.
-$4.5M
0
-100%
减持
ADMA
ADMA Biologics, Inc.
+$4.4M
2,040,700
-27%
增持
RSI
Rush Street Interactive, Inc.
+$4.3M
971,900
+25%
清仓
AAON
AAON, Inc.
-$4.3M
0
-100%
清仓
NOV
NOV, Inc.
-$4.2M
0
-100%
增持
VECO
Veeco Instruments, Inc.
+$4.2M
291,900
+8%
清仓
DY
Dycom Industries, Inc.
-$4.2M
0
-100%
清仓
JELD
JELD-WEN Holding, Inc.
-$4.1M
0
-100%
建仓
CDNA
CareDx, Inc.
+$3.9M
250,400
增持
CBT
Cabot Corp.
+$3.9M
134,500
+46%
增持
CCS
Century Communities, Inc.
+$3.8M
190,100
+57%
增持
CRS
Carpenter Technology Corp.
+$3.8M
74,700
+21%
增持
BOOT
Boot Barn Hldgs, Inc.
+$3.8M
69,400
+28%
清仓
HNI
HNI Corp.
-$3.8M
0
-100%
增持
WWD
Woodward, Inc.
+$3.7M
81,600
+19%
增持
IBP
Installed Building Products, I
+$3.6M
55,700
+83%
增持
ITRI
Itron Inc
+$3.5M
152,400
+21%
减持
JBI
Janus International Group, Inc
-$3.4M
560,900
-19%
增持
—
Despegar Com Corp.
+$3.4M
275,600
+1125%
建仓
WGS
Genedx Holdings Corp.
+$3.2M
122,000
增持
OSK
Oshkosh Corp.
+$3.1M
182,786
+37%
减持
FCFS
FirstCash Holdings, Inc
-$3.1M
82,200
-10%
增持
WING
Wingstop, Inc.
+$3.0M
24,400
+22%
增持
LMAT
LeMaitre Vascular, Inc.
+$3.0M
100,703
+26%
增持
—
Cellebrite DI Ltd.
+$2.8M
603,600
+52%
建仓
ARDX
Ardelyx, Inc.
+$2.8M
371,800
增持
—
Fabrinet
+$2.7M
27,900
+27%
建仓
MGNI
Magnite, Inc.
+$2.7M
200,000
建仓
ULH
Universal Logistics Holdings
+$2.5M
62,200
增持
ITGR
Integer Holdings Corporation
+$2.5M
119,200
+23%
减持
RES
RPC, Inc.
-$2.5M
638,163
-24%
增持
IMAX
Imax Corp.
+$2.5M
376,000
+59%
清仓
QTRX
Quanterix Corp.
-$2.3M
0
-100%
减持
ATI
ATI, Inc.
-$2.3M
88,700
-37%
减持
NEO
NeoGenomics, Inc.
-$2.3M
668,700
-9%
清仓
AXGN
AxoGen Inc.
-$2.3M
0
-100%
清仓
—
Couchbase, Inc.
-$2.3M
0
-100%
建仓
WLDN
Willdan Group Inc.
+$2.3M
79,100
建仓
AXTI
AXT Inc
+$2.2M
659,021
建仓
—
Universal Stainless And Alloy
+$2.2M
80,900
建仓
BVS
Bioventus, Inc.
+$2.2M
380,914
增持
FSS
Federal Signal Corp.
+$2.1M
155,330
+22%
建仓
—
Semrush Holdings, Inc.
+$2.1M
159,200
增持
SPXC
SPX Technologies, Inc.
+$2.1M
74,500
+8%
减持
PSN
Parsons Corp.
-$2.1M
149,120
-13%
增持
OSCR
Oscar Health, Inc.
+$2.1M
407,500
+38%
减持
—
Dynavax Technologies Corp.
-$2.0M
331,300
-28%
增持
ICFI
ICF International, Inc.
+$2.0M
111,900
+15%
增持
MMS
Maximus, Inc.
+$2.0M
110,600
+23%
增持
MGY
Magnolia Oil & Gas Corp.
+$1.9M
263,500
+43%
增持
AIZ
Assurant, Inc.
+$1.8M
61,900
+38%
增持
ROCK
Gibraltar Inds
+$1.8M
88,100
+67%
增持
—
Azek Co., Inc.
+$1.7M
304,800
+38%
减持
AVAV
Aerovironment, Inc.
-$1.7M
76,040
-25%
增持
OSIS
Osi Systems, Inc.
+$1.6M
69,200
+25%
减持
—
International Seaways, Inc.
-$1.6M
151,600
-24%
增持
DUOL
Duolingo, Inc.
+$1.6M
27,500
+46%
减持
SIBN
SI-BONE, Inc.
-$1.5M
275,900
-11%
增持
KRYS
Krystal Biotech, Inc.
+$1.5M
42,600
+19%
增持
LNWO
Light & Wonder Inc.
+$1.5M
55,300
+30%
增持
EXLS
Exlservice Holdings
+$1.4M
181,000
+36%
增持
HAE
Haemonetics Corp.
+$1.4M
165,295
+15%
增持
FTDR
Frontdoor, Inc.
+$1.4M
295,500
+12%
增持
HQY
HealthEquity Inc.
+$1.4M
64,600
+26%
增持
LOPE
Grand Canyon Education, Inc.
+$1.3M
51,600
+19%
增持
HWKN
Hawkins, Inc.
+$1.1M
44,000
+18%
增持
MTDR
Matador Resources Company
+$1.1M
111,100
+35%
增持
FIX
Comfort Systems USA Inc.
+$1.0M
24,100
+22%
增持
MSA
MSA Safety Inc
+$1.0M
51,000
+15%
增持
LBRT
Liberty Energy, Inc.
+$976.0K
281,100
+19%
增持
AVPT
AvePoint, Inc.
+$974.4K
296,300
+11%
增持
KWR
Quaker Chemical Corporation
+$919.1K
54,400
+34%
增持
BLKB
Blackbaud
+$916.1K
67,800
+18%
增持
—
Informatica Corp.
+$913.2K
379,800
+23%
增持
SLAB
Silicon Laboratories, Inc.
+$903.8K
109,500
+40%
增持
YOU
Clear Secure, Inc.
-$856.6K
523,200
+5%
增持
—
MakeMyTrip Ltd.
+$852.3K
17,400
+102%
增持
—
Playa Hotels & Resorts N.V.
-$808.3K
772,500
+3%
增持
—
Aris Water Solutions, Inc.
+$766.8K
225,200
+15%
减持
HURN
Huron Consulting Group, Inc.
-$764.5K
40,500
-18%
减持
CECO
CECO Environmental Corp.
+$719.6K
394,700
-15%
减持
VCYT
Veracyte, Inc.
-$710.5K
654,100
-3%
清仓
LI
Li Auto, Inc. ADR
-$696.4K
0
-100%
增持
PLAB
Photronics, Inc.
-$690.5K
266,000
+4%
增持
—
Dorian LPG Ltd.
+$654.5K
84,800
+12%
增持
—
Vital Energy, Inc.
-$642.9K
113,900
+4%
增持
TREX
Trex Company, Inc.
+$638.8K
89,500
+49%
清仓
MNSO
MINISO Group Holding Limited A
-$615.0K
0
-100%
减持
—
Arcos Dorados Holdings, Inc.
-$604.0K
30,000
-62%
建仓
DIDIY
DiDi Global Inc. ADR
+$538.2K
130,000
增持
MTRX
Matrix Service Co.
-$490.5K
211,075
+6%
增持
ALGM
Allegro MicroSystems, Inc.
+$419.4K
226,100
+2%
建仓
MU
Micron Technology
+$394.6K
3,000
增持
BLZE
Backblaze, Inc.
-$341.9K
538,700
+51%
