Security key
85916J409
Stereotaxis, Inc. - Common Stock, par value $0.001 per share (STXS)
CUSIP: 85916J409
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 42,724,652
- Total 13F value
- $98,265,836
- Share change
- +186,879
- Put/Call ratio
- 88%
- SEC-reported price per share
- $2.30
- Number of holders
- 105
- Value change
- -$99,023
- Number of buys
- 51
- Number of sells
- 39
- Shares outstanding
- 96,675,556
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
105
Top holders
10
STXS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Stereotaxis, Inc. SEC filings
Stereotaxis, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 85916J409
Recent filing periods:
Ownership snapshot
Top reported holders of STXS - Stereotaxis, Inc. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Paul J. Isaac
Disclosed value leader
DAFNA Capital Management LLC
Comparable rows
15/15
Latest evidence
14 Nov 2025
3/4/5
13F
Lead comparable stake: 3%
Showing 1-6 of 15 holder rows.
Quick read
Paul J. Isaac leads the comparable SEC ownership view at 3%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Paul J. Isaac's linked filing trail.
Comparable ownership
Top 5
Paul J. Isaac
3%
DAFNA Capital Management LLC
14%
Lagoda Investment Management, L.P.
4.9%
BlackRock, Inc.
4.1%
VANGUARD GROUP INC
3.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Paul J. Isaac |
3/4/5
Director, Other*
|
3%
|
$6,453,998
2,883,856 shares
|
+$66,600 | 14 Nov 2025 |
| DAFNA Capital Management LLC |
13F
Company
|
14%
|
$42,546,523
13,680,554 shares
|
— | 30 Sep 2025 |
| Lagoda Investment Management, L.P. |
13F
Company
|
4.9%
|
$14,640,014
4,707,400 shares
|
— | 30 Sep 2025 |
| BlackRock, Inc. |
13F
Company
|
4.1%
|
$12,366,144
3,976,252 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.6%
|
$10,701,793
3,441,091 shares
|
— | 30 Sep 2025 |
| Arbiter Partners Capital Management LLC |
13F
Company
|
3%
|
$8,875,492
2,853,856 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
105
Shares
42,724,652
Rows available
105
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
103
Q4 2025 holders
105
Holder diff
2
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend