FundWatcher
OBSOX
Oberweis Small-Cap Opportunities 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
LEONARDO DRS INC 0 398,500 398,500 0.90% $17.74M
INDIVIOR PHARMACEUTICALS INC 0 579,641 579,641 0.89% $17.67M
CHIME FINANCIAL INC 0 918,800 918,800 0.87% $17.21M
HINGE HEALTH INC 0 412,816 412,816 0.80% $15.92M
ENVISTA HOLDINGS CORP 0 590,300 590,300 0.76% $14.98M
SHAKE SHACK INC - CLASS A 0 166,500 166,500 0.74% $14.73M
MOOG INC-CLASS A 0 39,800 39,800 0.59% $11.65M
SEACOAST BANKING CORP FLORIDA 0 336,000 336,000 0.51% $10.18M
ALPHATEC HOLDINGS INC 0 789,400 789,400 0.43% $8.59M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
FRESHWORKS INC CL A 1,929,100 0 -1,929,100 0.00% -$23.63M
AMBARELLA INC 331,400 0 -331,400 0.00% -$23.48M
CARGURUS INC CL A 518,400 0 -518,400 0.00% -$19.88M
SENSIENT TECHNOLOGIES CORP 188,000 0 -188,000 0.00% -$17.66M
Genius Sports Ltd. COM NPV 1,585,900 0 -1,585,900 0.00% -$17.48M
ACI WORLDWIDE INC 318,962 0 -318,962 0.00% -$15.25M
Indivior PLC ORD USD0.5 424,941 0 -424,941 0.00% -$15.25M
COMMVAULT SYSTEMS INC 110,900 0 -110,900 0.00% -$13.90M
WORKIVA INC 127,500 0 -127,500 0.00% -$11.00M
FIRST MERCHANTS CORP 196,000 0 -196,000 0.00% -$7.35M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
APPLIED OPTOELECTRONICS INC 942,226 1,071,126 128,900 4.58% $57.76M
CREDO TECHNOLOGY 632,648 856,748 224,100 4.06% -$10.61M
DIGITALOCEAN HOLDINGS INC 720,400 770,300 49,900 3.34% $31.41M
Nova Measuring Instruments Ltd 113,100 122,200 9,100 2.68% $15.93M
SharkNinja Inc 490,400 500,600 10,200 2.68% -$1.86M
DANA INC 796,500 1,427,000 630,500 2.43% $29.09M
BRIGHTSPRING HEALTH SERVICES INC 908,000 1,026,800 118,800 2.21% $9.75M
EVERUS CONSTRUCTION GROUP INC 259,800 289,500 29,700 1.73% $11.95M
CLEAN HARBORS INC 104,000 117,000 13,000 1.70% $9.16M
FRONTDOOR INC 607,900 633,800 25,900 1.69% -$1.57M
CARPENTER TECHNOLOGY CORP 78,600 80,100 1,500 1.60% $6.82M
LATTICE SEMICONDUCTOR CORP 314,636 331,936 17,300 1.56% $7.64M
GLOBUS MEDICAL INC 270,000 347,900 77,900 1.51% $6.40M
ARCUTIS BIOTHERAPEUTICS INC 808,400 1,211,800 403,400 1.44% $5.07M
FIRSTCASH HOLDINGS INC 131,300 146,800 15,500 1.39% $6.67M
DUTCH BROS INC-A 404,500 530,600 126,100 1.36% $2.12M
SOLARIS OIL IN-A 366,900 471,400 104,500 1.35% $9.77M
FED SIGNAL CORP 166,500 237,600 71,100 1.30% $7.61M
ARCOSA INC 221,600 237,400 15,800 1.27% $1.64M
CORE NATURAL RESOURCES INC 178,400 239,300 60,900 1.27% $9.27M
MERIT MEDICAL SYSTEMS INC 249,500 359,500 110,000 1.25% $2.79M
WAYSTAR HOLDING CORP 795,800 977,600 181,800 1.19% -$2.49M
ICU MEDICAL INC 157,600 171,500 13,900 1.12% -$335.57K
LITTELFUSE INC 62,300 63,500 1,200 1.09% $5.79M
REMITLY GLOBAL INC 1,002,800 1,289,700 286,900 1.02% $6.37M
ASSURANT INC 83,000 90,900 7,900 1.00% -$191.62K
GENPACT LTD 500,900 518,900 18,000 0.98% -$4.10M
LEVI STRAUSS and COMPANY CL A 993,900 1,032,900 39,000 0.97% -$1.52M
AMERIS BANCORP 156,400 233,500 77,100 0.92% $6.59M
GRAND CANYON EDUCATION INC 99,800 103,500 3,700 0.89% $1.00M
MATADOR RESOURCES COMPANY 253,900 277,200 23,300 0.89% $6.74M
VIAVI SOLUTIONS INC 508,100 525,700 17,600 0.88% $8.44M
IRHYTHM TECHNOLOGIES INC 119,700 138,600 18,900 0.83% -$4.88M
VERACYTE INC 452,600 486,500 33,900 0.79% -$3.38M
BOX INC- CLASS A 632,800 655,600 22,800 0.78% -$3.43M
AMERICAN EAGLE OUTFITTERS INC 814,500 926,800 112,300 0.78% -$6.00M
Q2 HOLDINGS INC 309,700 322,800 13,100 0.77% -$7.08M
ALIGNMENT HEALTHCARE INC 747,500 857,300 109,800 0.76% $342.50K
CALIX NETWORKS INC 244,600 297,000 52,400 0.74% $1.60M
SUPER GRP. SGHC LTD 1,268,500 1,342,200 73,700 0.73% -$662.82K
ADV ENERGY INDS 39,700 43,600 3,900 0.71% $5.76M
ZURN ELKAY WATER SOLUTIONS CORP 266,000 312,400 46,400 0.71% $1.64M
FABRINET 25,200 26,700 1,500 0.70% $2.45M
MAGNOLIA OIL and GAS CORPO CL A 376,300 402,900 26,600 0.64% $4.48M
MIRION TECHNOLOGIES INC-A 607,800 659,600 51,800 0.62% -$1.97M
HALOZYME THERAPEUTICS INC 107,600 186,200 78,600 0.61% $4.79M
HEALTHEQUITY INC 133,200 139,100 5,900 0.59% -$577.86K
INTERDIGITAL INC 28,300 37,900 9,600 0.58% $2.44M
ZETA GLOBAL HOLDINGS CORP 590,300 607,700 17,400 0.49% -$2.34M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
LUMENTUM HOLDINGS INC 259,500 228,700 -30,800 8.12% $65.07M
RAMBUS INC 439,700 436,600 -3,100 1.90% -$2.84M
SITIME CORP 106,396 105,796 -600 1.85% -$1.04M
SKYWEST INC 363,300 330,800 -32,500 1.54% -$6.10M
LIFE TIME GROUP HOLDINGS INC 1,059,300 1,028,600 -30,700 1.40% -$445.71K
FLOWSERVE CORP 370,100 351,000 -19,100 1.30% $124.47K
OSI SYSTEMS INC 101,400 94,500 -6,900 1.27% -$772.39K
MERCURY SYSTEMS INC 398,500 333,600 -64,900 1.23% -$4.77M
ENCOMPASS HEALTH CORP 340,700 245,900 -94,800 1.20% -$12.38M
AAR CORP 272,700 217,300 -55,400 1.20% $1.21M
URBAN OUTFITTERS 286,400 279,000 -7,400 0.89% -$3.88M
PEGASYSTEMS INC 391,800 374,400 -17,400 0.81% -$7.46M
NEW YORK TIMES CO CL A 302,700 187,700 -115,000 0.79% -$5.30M
SPX TECHNOLOGIES INC 76,900 74,000 -2,900 0.75% -$589.05K
IMPINJ INC 103,100 98,000 -5,100 0.51% -$7.88M
QUALYS INC 107,800 105,400 -2,400 0.47% -$5.07M
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC 163,800 163,800 0 1.84% $8.32M
VISTANCE NETWORKS INC 960,912 960,912 0 0.88% $67.26K
ADDUS HOMECARE CORP 78,200 78,200 0 0.37% -$1.07M

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