First seen by DFX
Sep 12, 2026
date not stated
Oberweis Asset Management Inc found on the SEC adviser roster (client_description)
Oberweis Asset Management Inc/ reported $3,385,664,734 across 180 13(f) positions for the quarter ended 2026-03-31
Oberweis Asset Management Inc/ exited Build A Bear (was $8,216,307, 134,100 shares)
Oberweis Asset Management Inc/ exited Backblaze, Inc. (was $2,572,427, 552,023 shares)
Oberweis Asset Management Inc/ exited LSI Industries Inc. (was $3,176,688, 173,400 shares)
Oberweis Asset Management Inc/ exited CarGurus, Inc. (was $19,880,640, 518,400 shares)
Oberweis Asset Management Inc/ exited First Merchants Corporation (was $7,346,080, 196,000 shares)
Oberweis Asset Management Inc/ exited Sensient Technologies Corp. (was $17,662,600, 188,000 shares)
Oberweis Asset Management Inc/ exited Green Dot Corp. Cl A (was $9,799,650, 765,000 shares)
Oberweis Asset Management Inc/ exited Hawkins, Inc. (was $6,648,408, 46,800 shares)
Oberweis Asset Management Inc/ reduced The Vita Coco Co., Inc. 233,400 -> 156,108 shares ($12,372,534 -> $7,479,134)
Oberweis Asset Management Inc/ exited Malibu Boats, Inc. (was $6,886,061, 244,100 shares)
Oberweis Asset Management Inc/ exited Matrix Service Co. (was $2,650,928, 226,575 shares)
Oberweis Asset Management Inc/ exited Powerfleet, Inc. (was $5,826,741, 1,095,252 shares)
Oberweis Asset Management Inc/ opened a $7,347,938 position in Babcock & Wilcox Enterprises, (500,200 shares)
Oberweis Asset Management Inc/ exited Rev Group, Inc. (was $8,379,618, 137,800 shares)
Oberweis Asset Management Inc/ exited Shopify, Inc. (was $2,108,707, 13,100 shares)
Oberweis Asset Management Inc/ exited Turning PT Brands, Inc. (was $11,219,400, 103,500 shares)
Oberweis Asset Management Inc/ exited Workiva, Inc. (was $10,996,875, 127,500 shares)
Oberweis Asset Management Inc/ exited Genius Sports Ltd. (was $17,476,618, 1,585,900 shares)
Oberweis Asset Management Inc/ exited Indivior Plc (was $15,246,883, 424,941 shares)
Oberweis Asset Management Inc/ exited Pagaya Technologies Ltd. (was $6,387,040, 305,600 shares)
Oberweis Asset Management Inc/ exited Commvault Systems, Inc. (was $13,902,424, 110,900 shares)
Oberweis Asset Management Inc/ opened a $7,796,880 position in Thermon Group Hldgs Inc. (154,700 shares)
Oberweis Asset Management Inc/ reduced Weave Communications, Inc. 999,080 -> 72,830 shares ($7,583,017 -> $336,475)
Oberweis Asset Management Inc/ opened a $11,659,416 position in A10 Networks, Inc. (504,300 shares)
Oberweis Asset Management Inc/ reduced Ambarella, Inc. 617,860 -> 295,185 shares ($43,769,202 -> $15,194,648)
Oberweis Asset Management Inc/ opened a $7,417,152 position in American Public Education, Inc (130,400 shares)
Oberweis Asset Management Inc/ opened a $9,863,100 position in Amprius Technologies, Inc. (585,000 shares)
Oberweis Asset Management Inc/ opened a $13,978,129 position in Arlo Technologies, Inc. (982,300 shares)
Oberweis Asset Management Inc/ exited Atricure, Inc. (was $8,623,764, 217,992 shares)
Oberweis Asset Management Inc/ opened a $4,723,552 position in Black Rock Coffee Bar, Inc. (365,600 shares)
Oberweis Asset Management Inc/ opened a $19,395,477 position in Chime Financial Inc. (1,035,530 shares)
Oberweis Asset Management Inc/ opened a $16,881,198 position in Envista Holdings Corp. (665,400 shares)
Oberweis Asset Management Inc/ reduced Freshworks, Inc. 2,054,470 -> 57,750 shares ($25,167,258 -> $463,733)
Oberweis Asset Management Inc/ opened a $17,959,937 position in Hinge Health, Inc. (465,766 shares)
Oberweis Asset Management Inc/ reduced IBEX Ltd. 241,800 -> 10,200 shares ($9,231,924 -> $273,564)
Oberweis Asset Management Inc/ opened a $19,916,028 position in Indivior Plc (653,413 shares)
Oberweis Asset Management Inc/ opened a $6,014,256 position in Knowles Corp. (234,200 shares)
Oberweis Asset Management Inc/ exited ACI Worldwide Inc. (was $15,810,863, 330,702 shares)