FundWatcher
OMCIX
Oberweis Micro-Cap Fund
OBERWEIS FUNDS

Portfolio moves

Net position changes between two of this fund's N-PORT snapshots. These are differences between point-in-time reports — not a trade log — and share counts can be affected by splits and other corporate actions.

Dec 31, 2025 → Mar 31, 2026

Expand a category to see the positions behind it, ranked by weight.

Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
ARLO TECHNOLOGIES INC 0 942,800 942,800 1.31% $13.42M
A10 NETWORKS INC 0 484,100 484,100 1.09% $11.19M
AMPRIUS TECHNOLOGIES INC 0 561,500 561,500 0.92% $9.47M
THERMON GROUP HOLDINGS INC 0 148,300 148,300 0.73% $7.47M
AMERICAN PUBLIC EDUCATION INC 0 125,200 125,200 0.69% $7.12M
BABCOCK & WILCOX 0 480,100 480,100 0.69% $7.05M
KNOWLES CORP 0 224,600 224,600 0.56% $5.77M
PC CONNECTION INC 0 92,300 92,300 0.53% $5.40M
BLACK ROCK COFFEE BAR INC 0 350,900 350,900 0.44% $4.53M
ROCKY BRANDS INC 0 113,200 113,200 0.43% $4.38M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
TURNING POINT BRANDS INC 101,000 0 -101,000 0.00% -$10.95M
GREEN DOT CORP CLASS-A 746,500 0 -746,500 0.00% -$9.56M
ATRICURE INC 212,692 0 -212,692 0.00% -$8.41M
REV GROUP INC 134,500 0 -134,500 0.00% -$8.18M
BUILD A BEAR WORKSHOP INC 129,900 0 -129,900 0.00% -$7.96M
WEAVE COMMUNICATIONS INC 896,300 0 -896,300 0.00% -$6.80M
MALIBU BOATS INC CL A 238,200 0 -238,200 0.00% -$6.72M
HAWKINS INC 45,700 0 -45,700 0.00% -$6.49M
PAGAYA TECHS. LTD 298,300 0 -298,300 0.00% -$6.23M
POWERFLEET INC 1,068,800 0 -1,068,800 0.00% -$5.69M
LSI INDUSTRIES INC 169,200 0 -169,200 0.00% -$3.10M
MATRIX SERVICE CO 221,075 0 -221,075 0.00% -$2.59M
BACKBLAZE INC-A 538,700 0 -538,700 0.00% -$2.51M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
Silicon Motion Technology Corp. SPONSORED ADR 230,600 271,200 40,600 2.97% $9.08M
FASTLY INC CL A 673,300 1,028,000 354,700 2.91% $23.02M
LivaNova PLC ORD GBP1.00 (DI) 207,200 308,900 101,700 1.91% $6.88M
CATALYST PHARMACEUTICALS INC 560,200 690,300 130,100 1.66% $4.02M
ANI PHARMACEUTICALS INC 184,300 212,500 28,200 1.59% $1.79M
GENEDX HOLDINGS CORP-A 187,900 241,800 53,900 1.51% -$8.91M
PHIBRO ANIMAL HEALTH CORP CL A 204,800 265,800 61,000 1.43% $7.05M
DIODES INC 148,200 215,300 67,100 1.43% $7.38M
LEMAITRE VASCULAR INC 103,400 132,700 29,300 1.41% $6.10M
PEDIATRIX MEDICAL GROUP INC 545,600 672,600 127,000 1.40% $2.72M
SKYWARD SPECIALTY INSURANCE GROUP INC 231,800 314,000 82,200 1.34% $1.87M
LIQUIDIA TECHNOLOGIES INC 321,200 357,200 36,000 1.31% $2.40M
AMBARELLA INC 250,300 255,300 5,000 1.28% -$4.59M
DAVE INC 57,522 64,022 6,500 1.09% -$1.59M
ADAPTIVE BIOTECHNOLOGIES CORP 726,500 774,600 48,100 1.05% -$1.05M
Nicolet Bankshares Inc 60,200 71,600 11,400 1.04% $3.34M
Precision Drilling Corporation 97,100 108,100 11,000 1.04% $3.66M
EPLUS INC 108,298 131,798 23,500 0.97% $420.06K
NEWHOLD INVESTMENT CORP 1,052,100 1,604,700 552,600 0.95% $2.18M
BOOT BARN HOLDINGS INC 52,500 65,500 13,000 0.93% $321.90K
CORMEDIX INC 785,700 1,162,400 376,700 0.77% -$1.24M
LINDBLAD EXPEDITIONS HOLDINGS 299,400 363,200 63,800 0.61% $1.97M
CLIMB GLOBAL SOLUTIONS INC 50,700 202,800 152,100 0.39% -$1.19M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
IMAX Corporation COM NPV 636,600 553,700 -82,900 2.05% -$2.48M
POWELL INDUSTRIES INC 47,500 32,800 -14,700 1.73% $2.61M
CECO ENVIRONMNTL 142,008 129,708 -12,300 0.75% -$771.18K
LINCOLN EDUCATIONAL SERVICES 301,600 180,500 -121,100 0.71% $59.10K
VITA COCO CO INC/THE 207,400 129,500 -77,900 0.60% -$4.79M
Ibex Ltd. SHS NEW 236,000 9,700 -226,300 0.03% -$8.75M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
APPLIED OPTOELECTRONICS INC 1,074,015 1,074,015 0 8.85% $53.41M
ULTRA CLEAN HOLDINGS INC 613,300 613,300 0 3.71% $22.60M
Camtek, Ltd./Israel 213,580 213,580 0 3.15% $9.67M
TUTOR PERINI CORP 377,800 377,800 0 2.84% $3.84M
RUSH STREET INTERACTIVE INC 1,257,200 1,257,200 0 2.66% $2.92M
AMER SUPERCONDTR 785,200 785,200 0 2.59% $3.98M
PRIMORIS SVCS CORP 159,400 159,400 0 2.22% $3.01M
BLUE BIRD CORP 373,400 373,400 0 2.06% $3.66M
NLIGHT INC 347,800 347,800 0 1.93% $6.79M
NATIONAL VISION HOLDINGS INC 765,600 765,600 0 1.93% $61.25K
ARGAN INC 31,700 31,700 0 1.68% $7.33M
EZCORP INC CL A NON VTG 612,900 612,900 0 1.51% $3.65M
KINIKSA PHARMACE 305,200 305,200 0 1.43% $2.11M
PROPETRO HOLDING CORP 925,000 925,000 0 1.30% $4.53M
DUCOMMUN INC 95,700 95,700 0 1.14% $2.57M
AXOGEN INC 328,100 328,100 0 1.06% $131.24K
BENCHMARK ELECTRONICS INC 193,600 193,600 0 1.06% $2.57M
OneSpaWorld Holdings Ltd. COM USD0.0001 465,400 465,400 0 1.04% $1.03M
INTERFACE INC 425,300 425,300 0 1.03% -$1.28M
ETON PHARMACEUTICALS INC 420,900 420,900 0 1.01% $3.27M
ALPHATEC HOLDINGS INC 929,322 929,322 0 0.98% -$9.44M
M/I HOMES INC 73,200 73,200 0 0.87% -$402.60K
FB FINANCIAL CORP 155,400 155,400 0 0.79% -$599.84K
ARTIVION INC 211,800 211,800 0 0.76% -$1.90M
VERACYTE INC 238,500 238,500 0 0.75% -$2.36M
EXPRO GROUP HOLD 435,500 435,500 0 0.74% $1.77M
MAGNITE INC 620,400 620,400 0 0.72% -$2.70M
Radware Ltd. ORD 274,700 274,700 0 0.70% $612.58K
NPK INTERNATIONAL INC 496,500 496,500 0 0.70% $1.28M
VSE CORP 32,600 32,600 0 0.59% $379.14K
FIRST SOURCE CORP 82,700 82,700 0 0.56% $555.74K
CRA INTERNATIONAL INC 34,900 34,900 0 0.55% -$1.35M
GORMAN-RUPP CO 90,900 90,900 0 0.55% $1.31M
BIOVENTUS INC 601,714 601,714 0 0.53% $1.02M
HURON CONSULTING GROUP INC 40,500 40,500 0 0.50% -$1.84M
TACTILE SYSTEMS TECHNOLOGY INC 194,300 194,300 0 0.49% -$557.64K
COURSERA INC 787,300 787,300 0 0.45% -$1.21M
RED VIOLET INC 100,300 100,300 0 0.34% -$2.24M

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.