12 institutions reported holding $1.1M of NORTECH SYS INC (NSYS) in SEC 13F filings for 2026-03-31. Largest institutional holders: RENAISSANCE TECHNOLOGIES LLC ($536,348), VANGUARD CAPITAL MANAGEMENT LLC ($339,955), Chevy Chase Trust Holdings, LLC ($192,992), VANGUARD FIDUCIARY TRUST CO ($18,626), Larson Financial Group LLC ($2,938). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | $536,348 | 43,999 | Trimmed |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $339,955 | 27,888 | New |
| 3 | Chevy Chase Trust Holdings, LLC | $192,992 | 15,832 | Hold |
| 4 | VANGUARD FIDUCIARY TRUST CO | $18,626 | 1,528 | New |
| 5 | Larson Financial Group LLC | $2,938 | 241 | Hold |
| 6 | FMR LLC | $1,158 | 95 | Hold |
| 7 | Caitong International Asset Management Co., Ltd | $12 | 1 | New |
| 8 | DIMENSIONAL FUND ADVISORS LP | $0 | 0 | Exited |
| 9 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
| 10 | Garton & Associates Financial Advisors LLC | $0 | 0 | Exited |
| 11 | Royal Bank of Canada | $0 | 4 | Hold |
| 12 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31