NSYS
Nortech Systems IncCompany with tickers: NSYS
CIK
722313
CUSIP
656553104
Shares Outstanding
2,794,534
13F Activity (30d)
8 filings
8 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 8
Total Value: $1,092,074
Total Shares: 89,588
Institutional Ownership Trend
Holder Concentration
Across 8 13F filers · Δ vs Dec 31, 2025Top Holder
49.1%
−1.4 pts
Top 5
99.9%
+0.9 pts
Top 10
100.0%
0.0 pts
HHI
3,696
Highly concentrated
+375
Quarterly Activity
vs Dec 31, 2025
New
3
Increased
0
Decreased
1
Sold Out
5
Unchanged
4
Holder count:
-2
Institutional value:
+67.4%
Shares held:
+2.0%
Top Buyers
vs Dec 31, 2025No qualifying movers this quarter.
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | −400 | 43,999 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 27,888 | $339,954 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 1,528 | $18,626 | |
| Small Caitong International Asset Management Co., Ltd | 1 | $12 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 14,063 | $104,488 | |
| Mega DIMENSIONAL FUND ADVISORS LP | 11,865 | $88,156 | |
| Mid Tower Research Capital LLC (TRC) | 818 | $6,077 | |
| Micro Garton & Associates Financial Advisors LLC | 500 | $3,715 | |
| Mega BANK OF AMERICA CORP /DE/ | 8 | $59 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | $536,347 | 49.11% | 43,999 | Shares | Sole | 2026-05-14 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $339,954 | 31.13% | 27,888 | Shares | Defined | 2026-05-15 | ||||
| Large Chevy Chase Trust Holdings, LLC | $192,992 | 17.67% | 15,832 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $18,626 | 1.71% | 1,528 | Shares | Defined | 2026-05-08 | ||||
| Mid Larson Financial Group LLC | $2,937 | 0.27% | 241 | Shares | Sole | 2026-05-15 | ||||
| Mega FMR LLC | $1,158 | 0.11% | 95 | Shares | Defined | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $48 | 0.00% | 4 | Shares | Defined | 2026-05-15 | ||||
| Small Caitong International Asset Management Co., Ltd | $12 | 0.00% | 1 | Shares | Sole | 2026-05-11 | ||||
| No holders match your search. | ||||||||||