1 institutions reported holding $22,966 of BELDEN INC (BDC-PB) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($22,966). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $22,966 | 200 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31