38 institutions reported holding $13.7M of NRX Therapeutics Inc (NRXP) in SEC 13F filings for 2026-03-31. Largest institutional holders: B Group, Inc. ($6.4M), VANGUARD CAPITAL MANAGEMENT LLC ($2.5M), AdvisorShares Investments LLC ($895,595), COMMONWEALTH EQUITY SERVICES, LLC ($846,530), GEODE CAPITAL MANAGEMENT, LLC ($660,609). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | B Group, Inc. | $6.4M | 3.0M | New |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $2.5M | 1.2M | New |
| 3 | AdvisorShares Investments LLC | $895,595 | 420,467 | Added |
| 4 | COMMONWEALTH EQUITY SERVICES, LLC | $846,530 | 397,431 | Added |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $660,609 | 310,112 | Added |
| 6 | JANE STREET GROUP, LLC | $384,789 | 180,652 | Added |
| 7 | VANGUARD FIDUCIARY TRUST CO | $361,205 | 169,580 | New |
| 8 | Bleakley Financial Group, LLC | $249,645 | 117,204 | Hold |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $217,686 | 102,200 | Added |
| 10 | BlackRock, Inc. | $210,860 | 98,995 | Added |
| 11 | STATE STREET CORP | $185,276 | 86,984 | Hold |
| 12 | XTX Topco Ltd | $167,701 | 78,733 | New |
| 13 | Chicago Partners Investment Group LLC | $103,888 | 34,979 | Added |
| 14 | NORTHERN TRUST CORP | $92,589 | 43,469 | Added |
| 15 | Headlands Technologies LLC | $83,909 | 39,394 | New |
| 16 | AXQ CAPITAL, LP | $70,739 | 33,211 | New |
| 17 | Virtu Financial LLC | $68,000 | 31,785 | New |
| 18 | UBS Group AG | $53,734 | 25,227 | Added |
| 19 | CITADEL ADVISORS LLC | $52,611 | 24,700 | Trimmed |
| 20 | Schonfeld Strategic Advisors LLC | $42,335 | 19,876 | New |
| 21 | Ethos Financial Group, LLC | $33,867 | 15,900 | Added |
| 22 | SJBENEN ADVISORY, LLC | $31,950 | 15,000 | Hold |
| 23 | MORGAN STANLEY | $21,360 | 10,028 | Trimmed |
| 24 | SBI Securities Co., Ltd. | $5,325 | 2,500 | Hold |
| 25 | WELLS FARGO & COMPANY/MN | $5,006 | 2,350 | Added |
Source: SEC Form 13F filings · as of 2026-03-31