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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
25Q4 调仓
2025-09-30 → 2025-12-31 · 共 150 项
建仓 21
增持 91
减持 13
清仓 25
方向
标的
Δ市值
现股数(环比)
减持
LITE
Lumentum Hldgs, Inc.
+$50.1M
280,930
-15%
清仓
ADMA
ADMA Biologics, Inc.
-$39.8M
0
-100%
清仓
—
Sportradar Group
-$37.1M
0
-100%
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
ITRI
Itron Inc
-$35.4M
0
-100%
清仓
LRN
Stride, Inc.
-$27.1M
0
-100%
清仓
QRVO
Qorvo, Inc.
-$23.8M
0
-100%
建仓
GMED
Globus Medical, Inc.-A
+$23.6M
270,000
建仓
ARQT
Arcutis Biotherapeutics, Inc.
+$23.5M
808,400
清仓
PSN
Parsons Corp.
-$22.6M
0
-100%
增持
AAOI
Applied Optoelectronics Inc.
+$22.1M
2,039,641
+8%
建仓
DAN
Dana Inc.
+$18.9M
796,500
清仓
SFM
Sprouts Farmers Markets LLC
-$15.8M
0
-100%
建仓
CNR
Core Natural Resources, Inc.
+$15.8M
178,400
增持
AMSC
American Superconductor
-$15.5M
835,900
+26%
建仓
—
Indivior Plc
+$15.2M
424,941
建仓
—
Super Group SGHC Ltd.
+$15.2M
1,268,500
建仓
ALHC
Alighnment Healthcare, Inc.
+$14.8M
747,500
增持
ATEC
Alphatec Hldgs Inc.
+$14.3M
1,000,400
+117%
建仓
MIR
Mirion Technologies, Inc.
+$14.2M
607,800
增持
AEO
American Eagle Outfitters
+$13.2M
814,500
+68%
清仓
BMI
Badger Meter
-$13.0M
0
-100%
建仓
CALX
Calix, Inc.
+$12.9M
244,600
增持
DOCN
Digital Ocean Holdings, Inc.
+$11.1M
778,830
+1%
建仓
WK
Workiva, Inc.
+$11.0M
127,500
清仓
CBSH
Commerce Bancshares, Inc.
-$10.6M
0
-100%
减持
RMBS
Rambus, Inc
-$10.5M
462,100
-9%
减持
CVLT
Commvault Systems, Inc.
-$10.4M
110,900
-14%
清仓
OSPN
OneSpan, Inc.
-$10.2M
0
-100%
清仓
VRNS
Varonis Sys, Inc.
-$10.1M
0
-100%
建仓
PLUS
EPlus, Inc.
+$9.7M
110,898
清仓
FIVN
Five9, Inc.
-$9.6M
0
-100%
增持
—
SharkNinja, Inc.
+$9.1M
526,310
+9%
建仓
VIAV
Viavi Solutions, Inc.
+$9.1M
508,100
建仓
PUMP
ProPetro Holding Corp.
+$9.0M
947,900
清仓
NGVC
Natural Grocers by Vitamin Cot
-$8.8M
0
-100%
清仓
EXLS
Exlservice Holdings
-$8.6M
0
-100%
增持
MTSI
Macom Technology Solutions
+$8.5M
178,960
+1%
建仓
BHE
Benchmark Electronics Inc
+$8.5M
198,300
清仓
LMB
Limbach Hldgs, Inc.
-$8.1M
0
-100%
建仓
PAHC
Phibro Animal Health Corp
+$7.8M
209,800
清仓
—
Cellebrite DI Ltd.
-$7.7M
0
-100%
清仓
—
Alpha & Omega Semiconductor
-$7.6M
0
-100%
增持
EHC
Encompass Health Corporation
-$7.5M
358,971
+0%
增持
IRTC
Irhythm Holdings, Inc.
+$7.3M
119,700
+47%
建仓
FSLY
Fastly, Inc.
+$7.0M
689,800
增持
FLS
Flowserve Corporation
+$6.7M
409,941
+0%
增持
—
Ambarella, Inc.
-$6.7M
617,860
+1%
增持
NYT
New York Times Co. Cl A
+$6.5M
302,700
+20%
减持
PRIM
Primoris Services Corp.
-$6.2M
163,300
-15%
增持
ICUI
ICU Medical, Inc.
+$6.1M
168,040
+13%
减持
AGX
Argan, Inc
-$6.0M
32,971
-46%
增持
VCYT
Veracyte, Inc.
+$5.8M
726,740
+1%
建仓
TCMD
Tactile Sys Technology, Inc.
+$5.8M
199,100
增持
LASR
nLIGHT Inc.
+$5.5M
356,400
+34%
增持
FCFS
FirstCash Holdings, Inc
+$5.4M
131,300
+34%
减持
—
Fabrinet
-$5.3M
25,200
-45%
增持
VISN
Vistance Networks, Inc.
+$5.2M
960,912
+21%
增持
AXGN
AxoGen Inc.
+$5.2M
336,200
+2%
增持
IMAX
Imax Corp.
+$5.1M
652,300
+13%
增持
SKYW
Skywest Inc
+$5.1M
382,220
+16%
清仓
IIIN
Insteel Industries Inc.
-$5.1M
0
-100%
增持
SXT
Sensient Technologies Corp.
+$5.1M
188,000
+40%
增持
WGS
Genedx Holdings Corp.
+$5.0M
198,770
+3%
增持
—
Genius Sports Ltd.
+$4.9M
1,585,900
+56%
增持
URBN
Urban Outfitters, Inc.
+$4.8M
286,400
+22%
清仓
AVPT
AvePoint, Inc.
-$4.4M
0
-100%
增持
MMSI
Merit Medical System Inc
+$4.4M
268,760
+16%
增持
LTH
Life Time Holdings, Inc.
+$4.2M
1,059,300
+22%
增持
WAY
Waystar Holding Corp.
-$4.2M
840,600
+0%
减持
DIOD
Diodes, Inc.
-$4.1M
151,900
-31%
增持
LQDA
Liquidia Corp.
+$4.1M
329,200
+2%
增持
CECO
CECO Environmental Corp.
+$4.0M
145,508
+58%
增持
DAVE
Dave, Inc.
+$4.0M
58,922
+29%
减持
AEIS
Advanced Energy Industry, Inc.
-$3.5M
39,700
-43%
增持
BLBD
Blue Bird Corporation
-$3.5M
382,638
+2%
增持
—
Credo Technology Group
+$3.4M
675,388
+5%
增持
—
LivaNova Plc
+$3.3M
212,300
+14%
增持
CPRX
Catalyst Pharmaceuticals, Inc.
+$3.3M
586,970
+11%
减持
GDOT
Green Dot Corp. Cl A
-$3.2M
765,000
-21%
增持
ATRC
Atricure, Inc.
+$3.2M
217,992
+42%
增持
QLYS
Qualys, Inc.
+$3.2M
107,800
+28%
增持
QTWO
Q2 Holdings, Inc.
+$3.2M
336,860
+15%
增持
ETON
Eton Pharmaceuticals, Inc.
+$3.1M
431,300
+124%
清仓
SE
Sea Ltd
-$3.0M
0
-100%
增持
RSI
Rush Street Interactive, Inc.
+$3.0M
1,411,710
+18%
增持
PEGA
Pegasystems Inc.
+$3.0M
424,840
+9%
增持
LSCC
Lattice Semiconductor Corporat
+$2.9M
314,636
+14%
增持
EYE
National Vision Holdings, Inc.
+$2.9M
784,500
+32%
增持
MD
Pediatrix Medical Group, Inc.
+$2.8M
559,987
+3%
减持
IDCC
Interdigital, Inc.
-$2.8M
28,300
-17%
增持
—
Genpact Ltd.
+$2.8M
521,602
+1%
增持
COCO
The Vita Coco Co., Inc.
+$2.7M
233,400
+2%
清仓
CDNS
Cadence Design System, Inc.
-$2.6M
0
-100%
增持
BOOT
Boot Barn Hldgs, Inc.
+$2.5M
53,800
+28%
增持
BLZE
Backblaze, Inc.
-$2.4M
552,023
+2%
增持
BBW
Build A Bear
+$2.2M
134,100
+46%
增持
ANIP
ANI Pharmaceuticals, Inc.
+$2.2M
188,830
+36%
增持
FBK
FB Financial Corp.
+$2.0M
159,200
+29%
清仓
—
Spotify Technology S.A.
-$2.0M
0
-100%
增持
HWKN
Hawkins, Inc.
-$1.7M
46,800
+2%
增持
PDS
Precision Drilling Corp.
+$1.7M
99,500
+2%
减持
VSEC
VSE Corp.
-$1.6M
33,400
-25%
增持
AIR
AAR Corp.
+$1.4M
272,700
+15%
建仓
MU
Micron Technology
+$1.3M
4,500
增持
TPB
Turning PT Brands, Inc.
+$1.2M
103,500
+2%
增持
HURN
Huron Consulting Group, Inc.
+$1.2M
41,500
+2%
增持
ADPT
Adaptive Biotechnologies
+$1.2M
744,500
+2%
增持
TPC
Tutor Perini Corp.
+$1.2M
387,200
+2%
建仓
HTHT
H World Group Ltd.
+$1.1M
24,000
增持
SKWD
Skyward Specialty Ins Group
+$1.1M
237,500
+2%
增持
—
Kiniksa Pharmaceuticals, Ltd.
+$1.1M
312,800
+2%
增持
POWL
Powell Industries Inc.
+$1.0M
48,700
+3%
增持
WEAV
Weave Communications, Inc.
+$996.9K
999,080
+1%
增持
MHO
M/I Homes, Inc.
-$976.8K
75,000
+2%
增持
CLMB
Climb Global Solutions, Inc.
+$958.7K
51,960
+60%
增持
AORT
Artivion, Inc
+$932.5K
217,060
+2%
减持
FRSH
Freshworks, Inc.
+$927.3K
2,054,470
-0%
清仓
PDD
PDD Holdings Inc. ADR
-$925.2K
0
-100%
增持
MGNI
Magnite, Inc.
-$875.9K
635,800
+24%
减持
EZPW
EZCorp, Inc.
-$858.1K
627,900
-8%
增持
MBUU
Malibu Boats, Inc.
-$843.5K
244,100
+2%
增持
—
Camtek, Ltd.
+$840.2K
218,880
+2%
增持
LYTS
LSI Industries Inc.
-$818.1K
173,400
+2%
增持
UCTT
Ultra Clean Holdings
-$792.5K
628,500
+2%
清仓
HSAI
Hesai Group
-$786.8K
0
-100%
增持
—
Expro Group Holdings N.V.
+$784.4K
446,300
+2%
增持
—
Rev Group, Inc.
+$757.5K
137,800
+2%
增持
—
Pagaya Technologies Ltd.
+$745.9K
305,600
+61%
增持
COUR
Coursera, Inc.
-$631.3K
806,800
+44%
增持
SHOP
Shopify, Inc.
+$622.6K
13,100
+31%
增持
MRCY
Mercury Systems, Inc.
-$614.8K
414,040
+4%
增持
RDVT
Red Violet, Inc.
+$613.8K
102,800
+2%
增持
NIC
Nicolet Bankshares, Inc.
-$612.7K
61,700
+2%
增持
LIND
Lindblad Expeditions Holdings,
+$591.7K
306,800
+2%
增持
BVS
Bioventus, Inc.
+$562.1K
616,614
+2%
增持
EVLV
Evolv Technologies Holdings
+$557.3K
1,077,900
+14%
清仓
—
Aris Water Solutions, Inc.
-$547.5K
0
-100%
增持
LMAT
LeMaitre Vascular, Inc.
-$523.7K
116,301
+2%
增持
—
Radware, Ltd.
-$495.5K
281,500
+2%
增持
ZETA
Zeta Global Holdings Corp.
+$483.8K
767,020
+1%
增持
NPKI
NPK International, Inc.
+$448.9K
508,750
+2%
增持
LEVI
Levi Strauss & Co.
-$438.1K
993,900
+10%
增持
LINC
Lincoln EDL Svcs
+$377.2K
309,100
+2%
增持
—
IBEX Ltd.
-$330.8K
241,800
+2%
增持
HQY
HealthEquity Inc.
-$305.2K
141,580
+1%
增持
CLH
Clean Harbors, Inc.
+$287.3K
116,870
+0%
建仓
—
Wells Fargo Co New Perp Pfd
+$272.7K
225
建仓
GLD
SPDR Gold Shares ETF
+$267.5K
675
增持
MTRX
Matrix Service Co.
-$240.7K
226,575
+2%
增持
GRC
The Gorman-Rupp Co.
+$231.6K
93,200
+3%
