NTRSP — Northern Tr Corp Institutional Holders · Q2 2026
Who owns Northern Tr Corp (NTRSP)? 3 institutions reported holding $5.27M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Group One Trading LLC ($2.0M), IMC-Chicago, LLC ($1.8M), Simplex Trading, LLC ($1.4M).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $2.0M | 11,700 | Trimmed |
| 2 | IMC-Chicago, LLC | $1.8M | 10,600 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $1.4M | 8,000 | Added |
Source: SEC Form 13F filings · as of 2026-06-30