STEREOTAXIS INC (STXS) Institutional Shareholders
STEREOTAXIS INC (STXS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $74.20M in STXS holdings during the latest filing period.
Dafna Capital Management Llc is currently the largest disclosed institutional shareholder of STXS tracked by InsiderSet, reporting ownership valued at approximately $23.53M in its June 30, 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 $18.20M, representing an estimated loss of -22.67% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 81% of the total disclosed STXS value among the investors covered in this analysis. Major shareholders include Dafna Capital Management Llc, Blackrock, Inc., Lagoda Investment Management, L.P., and several other long-term asset managers with concentrated positions in STEREOTAXIS INC (STXS).
This page ranks the largest institutional STXS 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
109
Total Reported Value
$74.20M
Largest Holder
Dafna Capital Management Llc
Largest Position
$23.53M
Insider Transactions (90d)
6
Latest Filing Quarter
Q2 2026
New Institutional Positions
135
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Dafna Capital Management Llc | 4.49% | 13,680,554 | $23,530,553 | $18,195,137 | -$5,335,416 | -22.67% | |
| Blackrock, Inc. | 0.00% | 4,396,835 | $7,562,556 | $5,847,791 | -$1,714,765 | -22.67% | |
| Lagoda Investment Management, L.P. | 3.90% | 4,122,600 | $7,090,872 | $5,483,058 | -$1,607,814 | -22.67% | |
| Vanguard Capital Management Llc | 0.00% | 3,044,820 | $5,237,090 | $4,049,611 | -$1,187,479 | -22.67% | |
| Arbiter Partners Capital Management | Paul Isaac | 2.65% | 2,883,856 | $4,960,232 | $3,835,528 | -$1,124,704 | -22.67% |
| Geode Capital Management, Llc | 0.00% | 1,895,243 | $3,260,662 | $2,520,673 | -$739,989 | -22.69% | |
| Essex Investment Management Co Llc | 0.34% | 1,521,966 | $2,617,782 | $2,024,215 | -$593,567 | -22.67% | |
| Archon Capital Management Llc | 0.86% | 1,226,044 | $2,108,796 | $1,630,639 | -$478,157 | -22.67% | |
| Warberg Asset Management Llc | 0.57% | 1,108,889 | $1,907,289 | $1,474,822 | -$432,467 | -22.67% | |
| State Street Corp | 0.00% | 916,780 | $1,576,862 | $1,219,317 | -$357,545 | -22.67% | |
| Alphacentric Advisors Llc | 0.87% | 600,000 | $1,032,000 | $798,000 | -$234,000 | -22.67% | |
| Vanguard Fiduciary Trust Co | 0.00% | 589,110 | $1,013,269 | $783,516 | -$229,753 | -22.67% | |
| Bank Julius Baer & Co. Ltd, Zurich | 0.00% | 540,530 | $929,710 | $718,905 | -$210,805 | -22.67% | |
| Northern Trust Corp | 0.00% | 529,695 | $911,076 | $704,494 | -$206,582 | -22.67% | |
| Legato Capital Management Llc | 0.07% | 512,907 | $882,200 | $682,166 | -$200,034 | -22.67% | |
| Vanguard Portfolio Management Llc | 0.00% | 463,580 | $797,358 | $616,561 | -$180,797 | -22.67% | |
| Sequoia Financial Advisors | 0.00% | 381,355 | $655,931 | $507,202 | -$148,729 | -22.67% | |
| Morgan Stanley | 0.00% | 332,107 | $571,226 | $441,702 | -$129,524 | -22.67% | |
| Ubs Group Ag | 0.00% | 251,333 | $432,293 | $334,273 | -$98,020 | -22.67% | |
| Prescott Group Capital Management, L.L.C. | 0.04% | 237,495 | $408,491 | $315,868 | -$92,623 | -22.67% | |
| Goldman Sachs Group Inc | 0.00% | 234,971 | $404,151 | $312,511 | -$91,640 | -22.67% | |
| Sei Investments Co | 0.00% | 234,612 | $403,533 | $312,034 | -$91,499 | -22.67% | |
| Bank Of New York Mellon Corp | 0.00% | 211,641 | $364,022 | $281,483 | -$82,539 | -22.67% | |
| Independent Advisor Alliance | 0.01% | 208,485 | $358,593 | $277,285 | -$81,308 | -22.67% | |
| Aqr Capital Management Llc | 0.00% | 196,622 | $338,190 | $261,507 | -$76,683 | -22.67% | |
| Citadel Advisors Llc | 0.00% | 183,087 | $314,910 | $243,506 | -$71,404 | -22.67% | |
| Bridgeway Capital Management, Llc | 0.01% | 173,775 | $298,893 | $231,121 | -$67,772 | -22.67% | |
| Royal Bank Of Canada | 0.00% | 165,363 | $284,000 | $219,933 | -$64,067 | -22.56% | |
| Charles Schwab Investment Management Inc | 0.00% | 144,166 | $247,966 | $191,741 | -$56,225 | -22.67% | |
| Price T Rowe Associates Inc | 0.00% | 140,702 | $243,000 | $187,134 | -$55,866 | -22.99% | |
| Rhumbline Advisers | 0.00% | 130,042 | $223,665 | $172,956 | -$50,709 | -22.67% | |
| Gmt Capital Corp | 0.01% | 126,581 | $217,719 | $168,353 | -$49,366 | -22.67% | |
| Bank Of America Corp | 0.00% | 117,318 | $201,787 | $156,033 | -$45,754 | -22.67% | |
| Kovack Advisors, Inc. | 0.01% | 101,113 | $178,970 | $134,480 | -$44,490 | -24.86% | |
| Envestnet Asset Management Inc | 0.00% | 91,578 | $157,514 | $121,799 | -$35,715 | -22.67% | |
| Leonteq Securities Ag | 0.01% | 74,994 | $128,990 | $99,742 | -$29,248 | -22.67% | |
| Nuveen, Llc | 0.00% | 73,990 | $127,263 | $98,407 | -$28,856 | -22.67% | |
| Tcfg Investment Advisors, Llc | 0.04% | 69,015 | $118,706 | $91,790 | -$26,916 | -22.67% | |
| Wealth Effects Llc | 0.03% | 68,500 | $117,820 | $91,105 | -$26,715 | -22.67% | |
| Tcfg Wealth Management, Llc | 0.04% | 64,015 | $117,788 | $85,140 | -$32,648 | -27.72% | |
| Hsbc Holdings Plc | 0.00% | 68,605 | $116,629 | $91,245 | -$25,384 | -21.77% | |
| Deutsche Bank Ag\ | 0.00% | 67,537 | $116,164 | $89,824 | -$26,340 | -22.67% | |
| Barclays Plc | 0.00% | 66,940 | $115,137 | $89,030 | -$26,107 | -22.67% | |
| Wells Fargo & Company/Mn | 0.00% | 62,191 | $106,968 | $82,714 | -$24,254 | -22.67% | |
| Susquehanna International Group, Llp | 0.00% | 50,559 | $86,962 | $67,243 | -$19,719 | -22.67% | |
| Cherry Creek Investment Advisors, Inc. | 0.03% | 42,602 | $73,275 | $56,661 | -$16,614 | -22.67% | |
| Wellington Shields & Co., Llc | 0.02% | 40,079 | $68,936 | $53,305 | -$15,631 | -22.67% | |
| Invesco Ltd. | 0.00% | 38,570 | $66,340 | $51,298 | -$15,042 | -22.67% | |
| Verition Fund Management Llc | 0.00% | 35,000 | $60,200 | $46,550 | -$13,650 | -22.67% | |
| Vanguard Global Advisers, Llc | 0.00% | 34,392 | $59,154 | $45,741 | -$13,413 | -22.67% |
Frequently asked questions about STXS
Who owns the most STXS stock?
The largest holders of STXS 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 STEREOTAXIS INC (STXS).
Is STXS widely held by superinvestors?
Many widely followed stocks like STXS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly STXS 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.