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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
24Q4 调仓
2024-09-30 → 2024-12-31 · 共 150 项
建仓 27
增持 75
减持 14
清仓 34
方向
标的
Δ市值
现股数(环比)
增持
—
Credo Technology Group
+$39.0M
959,594
+16%
清仓
TMDX
TransMedics Group, Inc.
-$26.5M
0
-100%
建仓
DORM
Dorman Products, Inc.
+$23.3M
179,720
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。
清仓
CROX
Crocs, Inc.
-$22.1M
0
-100%
建仓
RMBS
Rambus, Inc
+$21.6M
409,400
清仓
LNTH
Lantheus Hldgs Inc.
-$21.0M
0
-100%
建仓
ACA
Arcosa, Inc.
+$19.6M
203,000
建仓
CARG
CarGurus, Inc.
+$18.3M
500,000
建仓
GAP
The Gap,Inc.
+$17.2M
726,500
清仓
—
Tidewater Inc
-$15.2M
0
-100%
建仓
OMCL
Omnicell, Inc.
+$14.8M
333,200
增持
ZETA
Zeta Global Holdings Corp.
-$14.7M
1,840,040
+15%
建仓
DLB
Dolby Laboratories, Inc.
+$14.1M
181,000
建仓
FRPT
Freshpet, Inc.
+$14.0M
94,300
清仓
IBP
Installed Building Products, I
-$13.7M
0
-100%
建仓
PEGA
Pegasystems Inc.
+$13.6M
145,500
建仓
FRSH
Freshworks, Inc.
+$13.4M
826,600
清仓
BMI
Badger Meter
-$13.2M
0
-100%
增持
ELF
e.l.f. Beauty, Inc.
+$13.1M
137,700
+259%
建仓
—
Sportradar Group
+$12.6M
728,900
清仓
VRT
Vertiv Holdings Co.
-$12.5M
0
-100%
清仓
ACLS
Axcelis Technologies
-$12.5M
0
-100%
清仓
NXT
Nextracker, Inc.
-$12.4M
0
-100%
增持
LRN
Stride, Inc.
+$11.8M
207,300
+81%
清仓
ITGR
Integer Holdings Corporation
-$11.5M
0
-100%
减持
ICFI
ICF International, Inc.
-$11.1M
67,671
-41%
建仓
—
Ichor Holdings Ltd.
+$10.9M
337,800
清仓
—
PetlQ Inc
-$10.5M
0
-100%
清仓
OSK
Oshkosh Corp.
-$10.4M
0
-100%
增持
DOCS
Doximity, Inc.
+$10.4M
573,100
+24%
清仓
MMS
Maximus, Inc.
-$9.9M
0
-100%
清仓
MYGN
Myriad Genetics Inc.
-$9.9M
0
-100%
清仓
FIX
Comfort Systems USA Inc.
-$9.8M
0
-100%
清仓
—
International Seaways, Inc.
-$9.6M
0
-100%
建仓
UAA
Under Armour, Inc. Class A
+$9.5M
1,153,200
清仓
ESAB
ESAB Corporation
-$9.5M
0
-100%
建仓
FIVE
Five Below
+$8.9M
85,000
增持
—
Nova Ltd.
+$8.9M
111,000
+78%
减持
—
Weatherford International PLC
-$8.8M
275,888
-18%
建仓
WAY
Waystar Holding Corp.
+$8.5M
231,300
增持
DECK
Deckers Outdoor Corp.
+$8.5M
82,340
+59%
增持
PRMB
Primo Brands Corp.
+$8.4M
632,400
+44%
增持
SKYW
Skywest Inc
+$8.4M
319,150
+15%
减持
SIMO
Silicon Motion Techn ADR
-$8.3M
157,900
-43%
清仓
AEHR
Aehr Test Systems
-$6.9M
0
-100%
增持
ACIW
ACI Worldwide Inc.
+$6.8M
333,012
+62%
建仓
QLYS
Qualys, Inc.
+$6.7M
47,800
清仓
ATI
ATI, Inc.
-$6.6M
0
-100%
增持
BRBR
BellRing Brands, Inc.
+$6.6M
253,100
+23%
建仓
—
Blueprint Medicines Corp.
+$6.5M
75,000
清仓
BLKB
Blackbaud
-$6.5M
0
-100%
增持
PRIM
Primoris Services Corp.
+$6.4M
242,900
+16%
清仓
KWR
Quaker Chemical Corporation
-$6.4M
0
-100%
清仓
ERII
Energy Recovery, Inc,
-$6.3M
0
-100%
增持
OSIS
Osi Systems, Inc.
+$6.3M
100,400
+45%
减持
OLED
Universal Display Corp.
-$6.3M
97,993
-0%
建仓
MBUU
Malibu Boats, Inc.
+$6.3M
166,900
清仓
LBRT
Liberty Energy, Inc.
-$6.2M
0
-100%
增持
MTSI
Macom Technology Solutions
+$6.2M
179,070
+17%
清仓
MSA
MSA Safety Inc
-$6.2M
0
-100%
建仓
MD
Pediatrix Medical Group, Inc.
+$6.1M
466,600
建仓
DCO
Ducommun Inc.
+$6.1M
95,700
减持
AAOI
Applied Optoelectronics Inc.
+$5.9M
495,815
-43%
增持
FTDR
Frontdoor, Inc.
+$5.8M
467,500
+14%
增持
FLS
Flowserve Corporation
+$5.8M
468,590
+14%
清仓
CECO
CECO Environmental Corp.
-$5.7M
0
-100%
增持
IMAX
Imax Corp.
+$5.7M
579,600
+30%
减持
RXST
RxSight, Inc.
-$5.6M
19,040
-85%
增持
GDYN
Grid Dynamics Holdings, Inc.
+$5.5M
503,000
+25%
增持
—
LivaNova Plc
+$5.4M
440,535
+55%
减持
VECO
Veeco Instruments, Inc.
-$5.3M
205,800
-37%
增持
VCYT
Veracyte, Inc.
+$5.3M
748,720
+5%
建仓
QNST
QuinStreet, Inc.
+$5.2M
225,000
增持
—
Genpact Ltd.
+$5.1M
523,600
+18%
清仓
LNWO
Light & Wonder Inc.
-$5.0M
0
-100%
建仓
ATRC
Atricure, Inc.
+$4.6M
151,500
增持
UCTT
Ultra Clean Holdings
+$4.5M
613,300
+39%
增持
WEAV
Weave Communications, Inc.
+$4.5M
770,150
+26%
清仓
HLIT
Harmonic, Inc.
-$4.4M
0
-100%
增持
WGS
Genedx Holdings Corp.
+$4.3M
123,500
+1%
清仓
AVNW
Aviat Networks, Inc.
-$4.3M
0
-100%
增持
OSCR
Oscar Health, Inc.
-$4.3M
593,850
+3%
增持
—
Ambarella, Inc.
+$4.2M
182,800
+13%
清仓
—
Dynavax Technologies Corp.
-$4.1M
0
-100%
增持
—
Despegar Com Corp.
+$4.1M
389,300
+41%
建仓
BLND
Blend Labs, Inc.
+$4.1M
964,700
增持
ANF
Abercrombie & Fitch Co.
+$4.0M
147,300
+15%
减持
FCFS
FirstCash Holdings, Inc
-$4.0M
70,100
-28%
增持
OSPN
OneSpan, Inc.
+$3.9M
545,450
+47%
增持
TILE
Interface, Inc.
+$3.9M
480,100
+17%
减持
BOOT
Boot Barn Hldgs, Inc.
-$3.9M
50,800
-27%
清仓
SIBN
SI-BONE, Inc.
-$3.9M
0
-100%
增持
COCO
The Vita Coco Co., Inc.
+$3.9M
231,500
+40%
增持
QTWO
Q2 Holdings, Inc.
+$3.8M
116,500
+17%
增持
—
Cellebrite DI Ltd.
+$3.7M
692,910
+1%
增持
AIZ
Assurant, Inc.
+$3.7M
81,000
+18%
建仓
AIOT
Powerfleet, Inc.
+$3.6M
542,100
增持
FSS
Federal Signal Corp.
+$3.5M
229,830
+21%
增持
CBSH
Commerce Bancshares, Inc.
+$3.4M
167,790
+42%
清仓
ARLO
Arlo Technologies, Inc.
-$3.3M
0
-100%
增持
HAE
Haemonetics Corp.
+$3.3M
224,920
+27%
清仓
EPAC
Enerpac Tool Group Corp.
-$3.2M
0
-100%
建仓
LIND
Lindblad Expeditions Holdings,
+$3.2M
266,000
减持
PSN
Parsons Corp.
-$3.1M
267,470
-0%
增持
RSI
Rush Street Interactive, Inc.
+$3.1M
991,900
+2%
增持
STRA
Strategic Education, Inc.
+$3.0M
134,500
+31%
减持
HIMS
Hims & Hers Health, Inc.
+$3.0M
843,600
-11%
增持
YOU
Clear Secure, Inc.
-$3.0M
609,400
+5%
减持
—
Playa Hotels & Resorts N.V.
+$2.9M
705,100
-9%
清仓
—
Dorian LPG Ltd.
-$2.9M
0
-100%
增持
AVAV
Aerovironment, Inc.
-$2.8M
102,720
+11%
增持
DOCN
Digital Ocean Holdings, Inc.
-$2.5M
425,700
+1%
增持
—
OneSpaWorld Holdings Limited
+$2.3M
465,400
+10%
增持
WING
Wingstop, Inc.
-$2.2M
28,000
+15%
增持
—
Vital Energy, Inc.
+$2.2M
168,700
+48%
清仓
AXTI
AXT Inc
-$2.1M
0
-100%
增持
NEO
NeoGenomics, Inc.
+$2.1M
768,700
+7%
增持
LOPE
Grand Canyon Education, Inc.
+$2.0M
71,200
+4%
增持
—
Camtek, Ltd.
+$1.9M
199,980
+12%
减持
CLH
Clean Harbors, Inc.
-$1.9M
102,430
-3%
增持
HQY
HealthEquity Inc.
+$1.9M
91,500
+8%
增持
EHC
Encompass Health Corporation
+$1.8M
340,829
+11%
增持
SPSC
SPS Comm Inc.
+$1.8M
46,600
+34%
增持
CRS
Carpenter Technology Corp.
+$1.8M
83,441
+8%
增持
VSEC
VSE Corp.
+$1.8M
58,600
+30%
增持
AGX
Argan, Inc
+$1.8M
45,900
+3%
增持
AXGN
AxoGen Inc.
+$1.8M
300,500
+32%
增持
—
Verint Sys Inc.
+$1.7M
201,700
+34%
增持
ITRI
Itron Inc
+$1.7M
199,110
+7%
增持
—
Aris Water Solutions, Inc.
+$1.7M
227,635
+1%
增持
CCS
Century Communities, Inc.
-$1.7M
248,000
+29%
增持
—
SharkNinja, Inc.
-$1.6M
499,290
+8%
增持
EXLS
Exlservice Holdings
+$1.6M
190,800
+5%
增持
SKWD
Skyward Specialty Ins Group
+$1.5M
131,600
+4%
增持
AORT
Artivion, Inc
+$1.4M
312,900
+11%
增持
VRNS
Varonis Sys, Inc.
-$1.4M
145,800
+4%
增持
MTDR
Matador Resources Company
+$1.4M
144,800
+6%
增持
NIC
Nicolet Bankshares, Inc.
+$1.4M
55,200
+19%
增持
BFAM
Bright Horizons Family Solutio
+$1.3M
129,904
+39%
建仓
SHOP
Shopify, Inc.
+$1.2M
11,500
增持
MNKD
Mannkind Corp.
+$1.2M
968,400
+21%
增持
NGVC
Natural Grocers by Vitamin Cot
+$1.1M
107,100
+2%
增持
ACMR
ACM Research, Inc. Class A
-$1.1M
485,200
+16%
减持
PDD
PDD Holdings Inc. ADR
-$1.1M
12,000
-29%
增持
SPXC
SPX Technologies, Inc.
+$1.1M
75,400
+22%
增持
FRME
First Merchants Corporation
+$1.1M
145,600
+14%
增持
ADUS
Addus Homecare Corp.
+$1.1M
59,900
+24%
增持
ABCB
Ameris Bancorp
+$1.0M
144,100
+13%
增持
ANIP
ANI Pharmaceuticals, Inc.
+$1.0M
65,600
+51%
建仓
—
Spotify Technology S.A.
+$1.0M
2,300
