# NRX PHARMACEUTICALS INC (NRXP)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/NRXP/

- Reporting holders: 50
- Reported value: $55.8M
- Shares held by institutions: 12,435,013 of 43,295,767 outstanding
- Held through calls: 8.0%
- Held through puts: 0.9%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [B Group, Inc.](https://holderbook.com/funds/2043476-b-group-inc/) | $16.7M | 4,091,767 | 7.9% | 2 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $7.6M | 1,360,086 | 0.0% | 5 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $6.6M | 1,618,159 | 0.0% | 2 |
| [AMERIPRISE FINANCIAL INC](https://holderbook.com/funds/820027-ameriprise-financial-inc/) | $3.8M | 928,728 | 0.0% | 1 |
| [Balyasny Asset Management L.P.](https://holderbook.com/funds/1218710-balyasny-asset-management-l-p/) | $3.7M | 893,864 | 0.0% | 1 |
| [AdvisorShares Investments LLC](https://holderbook.com/funds/1425930-advisorshares-investments-llc/) | $2.7M | 659,018 | 0.3% | 9 |
| [COMMONWEALTH EQUITY SERVICES, LLC](https://holderbook.com/funds/312272-commonwealth-equity-services-llc/) | $1.9M | 454,418 | 0.0% | 3 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $1.7M | 423,115 | 0.0% | 9 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $1.4M | 0 | 0.0% | 6 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $1.3M | 314,659 | 0.0% | 9 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $1.1M | 0 | 0.0% | 4 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $949.6K | 232,168 | 0.0% | 9 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $901.7K | 220,460 | 0.0% | 8 |
| [MARSHALL WACE, LLP](https://holderbook.com/funds/1318757-marshall-wace-llp/) | $795.8K | 194,580 | 0.0% | 1 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $747.3K | 182,718 | 0.0% | 2 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $562.9K | 119,018 | 0.0% | 4 |
| [Bleakley Financial Group, LLC](https://holderbook.com/funds/1936953-bleakley-financial-group-llc/) | $479.4K | 117,216 | 0.0% | 3 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $411.0K | 100,724 | 0.0% | 1 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $356.6K | 0 | 0.0% | 7 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $257.5K | 62,951 | 0.0% | 6 |
| [Chicago Partners Investment Group LLC](https://holderbook.com/funds/1563525-chicago-partners-investment-group-llc/) | $190.7K | 46,388 | 0.0% | 4 |
| [Quadrature Capital Ltd](https://holderbook.com/funds/1651424-quadrature-capital-ltd/) | $178.3K | 43,605 | 0.0% | 1 |
| [One Wealth Management Investment & Advisory Services, LLC](https://holderbook.com/funds/2009427-one-wealth-management-investment-advisory-services-llc/) | $177.1K | 43,309 | 0.2% | 9 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $167.3K | 40,901 | 0.0% | 9 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $157.9K | 38,600 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 50 | $55.8M |
| Q1 2026 | 35 | $14.0M |
| Q4 2025 | 32 | $14.8M |
| Q3 2025 | 28 | $13.6M |
| Q2 2025 | 25 | $9.9M |
| Q1 2025 | 24 | $4.9M |
| Q4 2024 | 26 | $2.4M |
| Q3 2024 | 21 | $1.5M |
| Q2 2024 | 23 | $1.6M |
| Q1 2024 | 32 | $1.8M |
| Q4 2023 | 32 | $1.9M |
| Q3 2023 | 35 | $1.0M |