NRX PHARMACEUTICALS INC (NRXP) Top Institutional Shareholders
NRX PHARMACEUTICALS INC (NRXP) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $13.09M in NRXP holdings during the latest filing period.
B Group, Inc. is currently the largest disclosed institutional shareholder of NRXP tracked by InsiderSet, reporting ownership valued at approximately $6.39M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $11.94M, representing an estimated gain of +86.85% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 95% of the total disclosed NRXP value among the investors covered in this analysis. Major shareholders include B Group, Inc., Vanguard Capital Management Llc, Advisorshares Investments Llc, and several other long-term asset managers with concentrated positions in NRX PHARMACEUTICALS INC (NRXP).
This page ranks the largest institutional NRXP shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
30
Total Reported Value
$13.09M
Largest Holder
B Group, Inc.
Largest Position
$6.39M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
38
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| B Group, Inc. | 4.74% | 3,000,000 | $6,390,000 | $11,940,000 | +$5,550,000 | +86.85% | |
| Vanguard Capital Management Llc | 0.00% | 1,160,184 | $2,471,192 | $4,617,532 | +$2,146,340 | +86.85% | |
| Advisorshares Investments Llc | 0.16% | 420,467 | $895,595 | $1,673,459 | +$777,864 | +86.85% | |
| Commonwealth Equity Services, Llc | 0.00% | 397,431 | $846,530 | $1,581,775 | +$735,245 | +86.85% | |
| Geode Capital Management, Llc | 0.00% | 310,112 | $660,609 | $1,234,246 | +$573,637 | +86.83% | |
| Vanguard Fiduciary Trust Co | 0.00% | 169,580 | $361,205 | $674,928 | +$313,723 | +86.85% | |
| Bleakley Financial Group, Llc | 0.00% | 117,204 | $249,645 | $466,472 | +$216,827 | +86.85% | |
| Blackrock, Inc. | 0.00% | 98,995 | $210,860 | $394,000 | +$183,140 | +86.85% | |
| State Street Corp | 0.00% | 86,984 | $185,276 | $346,196 | +$160,920 | +86.85% | |
| Xtx Topco Ltd | 0.00% | 78,733 | $167,701 | $313,357 | +$145,656 | +86.85% | |
| Chicago Partners Investment Group Llc | 0.00% | 34,479 | $102,403 | $137,226 | +$34,823 | +34.01% | |
| Jane Street Group, Llc | 0.00% | 44,152 | $94,044 | $175,725 | +$81,681 | +86.85% | |
| Northern Trust Corp | 0.00% | 43,469 | $92,589 | $173,007 | +$80,418 | +86.85% | |
| Headlands Technologies Llc | 0.01% | 39,394 | $83,909 | $156,788 | +$72,879 | +86.85% | |
| Axq Capital, Lp | 0.01% | 33,211 | $70,739 | $132,180 | +$61,441 | +86.86% | |
| Ubs Group Ag | 0.00% | 25,227 | $53,734 | $100,403 | +$46,669 | +86.85% | |
| Schonfeld Strategic Advisors Llc | 0.00% | 19,876 | $42,335 | $79,106 | +$36,771 | +86.86% | |
| Ethos Financial Group, Llc | 0.00% | 15,900 | $33,867 | $63,282 | +$29,415 | +86.85% | |
| Sjbenen Advisory, Llc | 0.03% | 15,000 | $31,950 | $59,700 | +$27,750 | +86.85% | |
| Morgan Stanley | 0.00% | 10,028 | $21,360 | $39,911 | +$18,551 | +86.85% | |
| Sbi Securities Co., Ltd. | 0.00% | 2,500 | $5,325 | $9,950 | +$4,625 | +86.85% | |
| Wells Fargo & Company/Mn | 0.00% | 2,350 | $5,006 | $9,353 | +$4,347 | +86.84% | |
| Royal Bank Of Canada | 0.00% | 2,509 | $5,000 | $9,986 | +$4,986 | +99.72% | |
| Summit Securities Group Llc | 0.00% | 1,135 | $2,418 | $4,517 | +$2,099 | +86.82% | |
| Group One Trading Llc | 0.00% | 737 | $1,570 | $2,933 | +$1,363 | +86.83% | |
| Osaic Holdings, Inc. | 0.00% | 90 | $191 | $358 | +$167 | +87.54% | |
| Tower Research Capital Llc (Trc) | 0.00% | 81 | $173 | $322 | +$149 | +86.35% | |
| Virtu Financial Llc | 0.00% | 31,785 | $68 | $126,504 | +$126,436 | +185935.74% | |
| Larson Financial Group Llc | 0.00% | 22 | $47 | $88 | +$41 | +86.30% | |
| Steward Partners Investment Advisory, Llc | 0.00% | 1 | $2 | $4 | +$2 | +99.00% |
Frequently asked questions about NRXP
Who owns the most NRXP stock?
The largest holders of NRXP are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NRX PHARMACEUTICALS INC (NRXP).
Is NRXP widely held by superinvestors?
Many widely followed stocks like NRXP appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NRXP is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.