Oberweis Asset Management Inc/
Oberweis Asset Management Inc/ reported 176 stocks worth $4.8B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are CRDO (5.7%), AAOI (5.5%) and DOCN (3.0%). Compared with Q1 2026, the fund opened new positions in MXL, NOVT and BLLN, added to DOCN, SIMO and UCTT, trimmed CRDO, AAOI and SN and sold out of FLS, PRIM and G.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  CRDO Credo Technology Group Holdi | $276M | 5.7% | 1M | −8,540 (−1%) | 8 of 8 | |
| 2 |  AAOI Applied Optoelectronics Inc | $265M | 5.5% | 1.8M | −559K (−24%) | 8 of 8 | |
| 3 |  DOCN Digitalocean Hldgs Inc | $146M | 3.0% | 930K | +2,500 (+0%) | 8 of 8 | |
| 4 |  SIMO Silicon Motion Technology Co | $105M | 2.2% | 316K | +34K (+12%) | 8 of 8 | |
| 5 |  UCTT Ultra Clean Hldgs Inc | $92.3M | 1.9% | 647K | +6,800 (+1%) | 8 of 8 | |
| 6 |  SN Sharkninja Inc | $90.4M | 1.9% | 594K | −6,470 (−1%) | 8 of 8 | |
| 7 |  SITM Sitime Corp | $89.1M | 1.8% | 120K | +220 (+0%) | 5 of 8 | |
| 8 |  BTSG Brightspring Health Svcs Inc | $82.7M | 1.7% | 1.2M | +26K (+2%) | 5 of 8 | |
| 9 |  HNGE Hinge Health Inc | $71M | 1.5% | 855K | +390K (+84%) | 2 of 8 | |
| 10 |  RMBS Rambus Inc Del | $70M | 1.4% | 527K | +700 (+0%) | 7 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 FLS Flowserve Corp | $32M | 435K |
 PRIM Primoris Svcs Corp | $23.8M | 166K |
 G Genpact Limited | $22.6M | 607K |
 ATEC Alphatec Hldgs Inc | $20.8M | 1.9M |
 EYE National Vision Hldgs Inc | $20.7M | 798K |
🔒 Free account: see all 27.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 14, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Oberweis Asset Management Inc/ 13F FAQ
What does Oberweis Asset Management Inc/ own?
Oberweis Asset Management Inc/ reported 176 stocks worth $4.8B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are CRDO (5.7%), AAOI (5.5%) and DOCN (3.0%). The table above lists every position in the filing (the top 10 without an account).
What did Oberweis Asset Management Inc/ buy and sell in Q2 2026?
Compared with Q1 2026: 23 new positions, 107 added to, 27 trimmed and 27 sold out. New positions include MXL, NOVT and BLLN. It sold all of FLS, PRIM and G.
When will Oberweis Asset Management Inc/ file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Oberweis Asset Management Inc/'s portfolio worth?
The Q2 2026 filing reports $4.8B in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.