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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
25Q1 调仓
2024-12-31 → 2025-03-31 · 共 138 项
建仓 24
增持 67
减持 19
清仓 28
方向
标的
Δ市值
现股数(环比)
建仓
LTH
Life Time Holdings, Inc.
+$24.1M
797,000
清仓
ANF
Abercrombie & Fitch Co.
-$22.0M
0
-100%
清仓
HIMS
Hims & Hers Health, Inc.
-$20.4M
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。
减持
—
LivaNova Plc
-$20.0M
10,835
-98%
清仓
—
Weatherford International PLC
-$19.8M
0
-100%
清仓
TNDM
Tandem Diabetes Care, Inc.
-$18.2M
0
-100%
增持
WAY
Waystar Holding Corp.
+$18.2M
713,040
+208%
建仓
MRCY
Mercury Systems, Inc.
+$17.8M
412,300
清仓
HAE
Haemonetics Corp.
-$17.6M
0
-100%
清仓
ELF
e.l.f. Beauty, Inc.
-$17.3M
0
-100%
建仓
CVLT
Commvault Systems, Inc.
+$16.9M
107,000
清仓
AVAV
Aerovironment, Inc.
-$15.8M
0
-100%
增持
—
Ambarella, Inc.
+$15.3M
568,825
+211%
清仓
FORM
Formfactor Inc.
-$14.8M
0
-100%
清仓
OLED
Universal Display Corp.
-$14.3M
0
-100%
清仓
FRPT
Freshpet, Inc.
-$14.0M
0
-100%
增持
—
Credo Technology Group
-$13.9M
1,259,915
+31%
清仓
NEO
NeoGenomics, Inc.
-$12.7M
0
-100%
清仓
STRA
Strategic Education, Inc.
-$12.6M
0
-100%
建仓
AIR
AAR Corp.
+$12.3M
220,000
增持
—
Sportradar Group
+$12.1M
1,144,700
+57%
增持
FRSH
Freshworks, Inc.
+$11.0M
1,728,520
+109%
建仓
NOV
NOV, Inc.
+$10.9M
716,400
增持
ADMA
ADMA Biologics, Inc.
+$10.7M
3,426,260
+3%
建仓
FIVN
Five9, Inc.
+$10.0M
366,600
清仓
PAYO
Payoneer Global, Inc.
-$8.6M
0
-100%
增持
ZETA
Zeta Global Holdings Corp.
-$8.1M
1,843,240
+0%
清仓
ICFI
ICF International, Inc.
-$8.1M
0
-100%
清仓
WING
Wingstop, Inc.
-$8.0M
0
-100%
建仓
SEI
Solaris Energy Infrastructur
+$7.8M
360,000
建仓
TPC
Tutor Perini Corp.
+$7.8M
336,200
增持
QTWO
Q2 Holdings, Inc.
+$7.7M
242,990
+109%
增持
PSN
Parsons Corp.
-$7.4M
291,460
+9%
增持
ITRI
Itron Inc
+$6.9M
272,510
+37%
增持
—
SharkNinja, Inc.
-$6.9M
500,160
+0%
清仓
AMPH
Amphastar Pharmaceuticals, Inc
-$6.9M
0
-100%
增持
VCYT
Veracyte, Inc.
-$6.8M
769,350
+3%
建仓
IDCC
Interdigital, Inc.
+$6.8M
33,000
增持
EHC
Encompass Health Corporation
+$6.1M
370,720
+9%
清仓
PRG
PROG Holdings, Inc.
-$6.1M
0
-100%
减持
ONTO
Onto Innovation, Inc.
-$5.9M
129,175
-0%
清仓
VECO
Veeco Instruments, Inc.
-$5.5M
0
-100%
建仓
CRAI
CRA Int'l Inc.
+$5.2M
30,000
增持
DOCN
Digital Ocean Holdings, Inc.
+$5.1M
586,500
+38%
增持
RMBS
Rambus, Inc
+$4.6M
507,350
+24%
建仓
DCTH
Delcath Systems, Inc.
+$4.6M
362,200
建仓
—
Faro Technologies, Inc.
+$4.4M
163,000
清仓
PLAB
Photronics, Inc.
-$4.4M
0
-100%
减持
AORT
Artivion, Inc
-$4.3M
190,400
-39%
增持
AMSC
American Superconductor
-$4.2M
668,200
+1%
清仓
BLND
Blend Labs, Inc.
-$4.1M
0
-100%
增持
ACIW
ACI Worldwide Inc.
+$3.8M
386,202
+16%
增持
LOPE
Grand Canyon Education, Inc.
+$3.7M
88,700
+25%
清仓
THRM
Gentherm, Inc.
-$3.7M
0
-100%
建仓
—
IBEX Ltd.
+$3.6M
148,700
增持
WEAV
Weave Communications, Inc.
-$3.6M
779,200
+1%
清仓
—
Universal Stainless And Alloy
-$3.6M
0
-100%
增持
DOCS
Doximity, Inc.
+$3.3M
584,060
+2%
减持
TILE
Interface, Inc.
-$3.3M
425,300
-11%
清仓
ULH
Universal Logistics Holdings
-$3.2M
0
-100%
建仓
RDVT
Red Violet, Inc.
+$3.2M
85,300
增持
SG
Sweetgreen, Inc.
+$3.2M
250,101
+160%
建仓
LINC
Lincoln EDL Svcs
+$3.0M
189,600
建仓
CRMD
CorMedix, Inc.
+$3.0M
485,000
增持
AAOI
Applied Optoelectronics Inc.
+$3.0M
1,384,841
+179%
建仓
LYTS
LSI Industries Inc.
+$2.9M
169,200
清仓
—
Semrush Holdings, Inc.
-$2.8M
0
-100%
减持
ICUI
ICU Medical, Inc.
-$2.7M
155,690
-1%
增持
—
Fabrinet
+$2.7M
84,600
+33%
建仓
CLMB
Climb Global Solutions, Inc.
+$2.7M
24,000
增持
FTDR
Frontdoor, Inc.
-$2.5M
599,460
+28%
增持
QLYS
Qualys, Inc.
+$2.4M
72,100
+51%
增持
AGX
Argan, Inc
+$2.3M
65,790
+43%
增持
DECK
Deckers Outdoor Corp.
+$2.3M
169,870
+106%
增持
AIOT
Powerfleet, Inc.
+$2.3M
1,068,800
+97%
增持
MGY
Magnolia Oil & Gas Corp.
+$2.2M
369,200
+21%
清仓
TSM
Taiwan Semiconductor ADR
-$2.1M
0
-100%
增持
FLS
Flowserve Corporation
-$1.9M
513,184
+10%
减持
MMSI
Merit Medical System Inc
+$1.9M
208,560
-0%
增持
DORM
Dorman Products, Inc.
+$1.9M
208,520
+16%
增持
CLH
Clean Harbors, Inc.
-$1.8M
110,320
+8%
增持
MD
Pediatrix Medical Group, Inc.
+$1.8M
545,600
+17%
增持
OSPN
OneSpan, Inc.
-$1.8M
546,350
+0%
增持
—
Spotify Technology S.A.
+$1.7M
5,000
+117%
增持
CPRX
Catalyst Pharmaceuticals, Inc.
+$1.6M
467,600
+0%
减持
—
Aris Water Solutions, Inc.
+$1.6M
219,189
-4%
减持
CDNA
CareDx, Inc.
-$1.6M
423,271
-0%
建仓
SE
Sea Ltd
+$1.5M
11,500
减持
COCO
The Vita Coco Co., Inc.
-$1.5M
230,000
-1%
增持
WLDN
Willdan Group Inc.
+$1.4M
110,100
+37%
增持
FRME
First Merchants Corporation
+$1.4M
178,400
+23%
增持
SPSC
SPS Comm Inc.
-$1.3M
54,800
+18%
增持
BRBR
BellRing Brands, Inc.
+$1.3M
273,300
+8%
增持
ARDX
Ardelyx, Inc.
+$1.2M
851,900
+47%
清仓
SHOP
Shopify, Inc.
-$1.2M
0
-100%
增持
NGVC
Natural Grocers by Vitamin Cot
+$1.1M
132,702
+24%
增持
—
Rev Group, Inc.
+$1.0M
172,600
+24%
减持
LMAT
LeMaitre Vascular, Inc.
-$863.1K
102,065
-0%
减持
SPY
SPDR S&P 500 ETF Trust
-$834.0K
2,163
-38%
增持
MTDR
Matador Resources Company
+$809.6K
175,300
+21%
增持
BOX
Box, Inc.
+$777.9K
597,100
+7%
增持
SIMO
Silicon Motion Techn ADR
+$723.0K
183,100
+16%
建仓
GDS
GDS Holdings Ltd. ADR
+$696.6K
27,500
清仓
RXST
RxSight, Inc.
-$654.6K
0
-100%
增持
FUTU
Futu Holdings Ltd.
+$646.9K
11,400
+75%
增持
—
Verint Sys Inc.
-$644.0K
274,100
+36%
减持
CDNS
Cadence Design System, Inc.
-$607.2K
7,300
-11%
减持
CRS
Carpenter Technology Corp.
+$589.3K
81,411
-2%
增持
HQY
HealthEquity Inc.
+$579.0K
105,900
+16%
增持
VRNS
Varonis Sys, Inc.
+$532.1K
173,300
+19%
减持
OSCR
Oscar Health, Inc.
-$530.5K
568,330
-4%
增持
QNST
QuinStreet, Inc.
-$502.4K
262,800
+17%
清仓
IWO
iShares TR Russell 2000 Growth
-$460.5K
0
-100%
增持
MBUU
Malibu Boats, Inc.
-$417.0K
190,900
+14%
增持
UAA
Under Armour, Inc. Class A
+$409.0K
1,593,200
+38%
减持
ACMR
ACM Research, Inc. Class A
-$395.8K
296,948
-39%
增持
YMM
Full Truck Alliance Co. Ltd.
+$336.6K
45,000
+105%
增持
GAP
The Gap,Inc.
-$316.5K
817,600
+13%
建仓
—
Alphabet, Inc. Cl A
+$293.8K
1,900
增持
RES
RPC, Inc.
-$276.8K
629,169
+0%
建仓
—
Alphabet, Inc. Cl C
+$253.1K
1,620
建仓
TUYA
Tuya, Inc. ADS
+$100.0K
33,000
减持
PDD
PDD Holdings Inc. ADR
-$98.7K
9,000
-25%
增持
BOOT
Boot Barn Hldgs, Inc.
+$97.7K
72,700
+43%
建仓
VNET
VNET Group, Inc. - ADR
+$82.0K
10,000
增持
AAPL
Apple, Inc.
+$78.9K
4,011
+24%
增持
MTSI
Macom Technology Solutions
+$77.4K
232,520
+30%
减持
TAL
Tal Education Group ADR
-$72.8K
40,000
-33%
增持
AMGN
Amgen, Inc.
+$52.8K
1,033
+0%
增持
JNJ
Johnson & Johnson
+$45.4K
2,119
+0%
减持
TRV
The Travelers Co., Inc.
+$40.7K
1,915
-1%
增持
GRC
The Gorman-Rupp Co.
+$28.1K
90,900
+9%
增持
PEGA
Pegasystems Inc.
+$23.6K
195,400
+34%
增持
BNY
Bank of New York Mellon Corp.
+$20.8K
2,946
+0%
增持
JPM
JP Morgan Chase & Company Inc.
+$20.0K
3,518
+0%
增持
MCD
McDonald's Corporation
+$19.5K
849
+0%
减持
MA
Mastercard, Inc.
+$12.8K
711
-1%
增持
WMT
Wal Mart Stores Inc.
-$6.5K
2,606
+0%
