Stereotaxis (STXS)

Stereotaxis on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE, classified by the SEC as electromedical & electrotherapeutic apparatus.

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5.7M

Short interest

settlement 2026-09-30

11.6

Days to cover

+1.5 days vs prior

87.3%

Short share of volume

2026-10-12

479

Fails to deliver

settlement 2026-09-10

Wed 11 Nov

Next earnings

estimated date

Insider flow, 90 days

0 buys, 0 sells

As of 2026-10-12.

Short interest

FINRA, twice a month. The newest 24 settlements in the table, 48 in the chart. JSON

As of 30 September 2026, short interest in STXS is 5,681,816 shares, up 629,717 shares over the last month. Over the last 48 readings it ranged from 2,543,641 shares (29 November 2024) to 5,681,816 shares (30 September 2026). The latest reading sits at the top of that range. At the reported average volume of 490K shares a day that is 11.6 days to cover.

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Settlement	Shares short	Change	Avg daily volume	Days to cover
2026-09-30	5,681,816	+1.9%	490,470	11.58
2026-09-15	5,577,215	+10.4%	552,914	10.09
2026-08-31	5,052,099	-6.2%	508,210	9.94
2026-08-14	5,384,782	+20.1%	764,916	7.04
2026-07-31	4,482,351	+0.5%	1,813,070	2.47
2026-07-15	4,458,474	+4.6%	668,721	6.67
2026-06-30	4,263,016	+10.7%	695,545	6.13
2026-06-15	3,849,443	-0.8%	325,637	11.82
2026-05-29	3,880,419	+2.1%	382,629	10.14
2026-05-15	3,799,090	+4.7%	357,010	10.64
2026-04-30	3,628,158	+8.9%	412,869	8.79
2026-04-15	3,331,032	-5.8%	415,409	8.02
2026-03-31	3,534,547	+5.1%	403,729	8.75
2026-03-13	3,363,261	+11.7%	541,557	6.21
2026-02-27	3,009,806	-8.0%	395,340	7.61
2026-02-13	3,271,536	+21.2%	542,840	6.03
2026-01-30	2,699,750	-5.0%	447,339	6.04
2026-01-15	2,841,755	-2.6%	790,549	3.59
2025-12-31	2,917,712	-2.0%	459,569	6.35
2025-12-15	2,978,118	-1.3%	368,505	8.08
2025-11-28	3,017,042	+3.1%	497,018	6.07
2025-11-14	2,926,343	-0.3%	923,178	3.17
2025-10-31	2,935,324	-4.0%	397,281	7.39
2025-10-15	3,057,870	-3.2%	669,957	4.56

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 12 October 2026, the short share of STXS volume is 87.3%, up 15.4 points over the last five sessions. Over the last 30 readings it ranged from 44.0% (7 October 2026) to 87.3% (12 October 2026). The latest reading sits at the top of that range. The latest reading is 23.5 points above the 30-session average of 63.8%, on 286K shares reported.

Date	Short volume	Total volume	Short share	Exempt
2026-10-12	249K	286K	87.3%	0
2026-10-09	135K	200K	67.5%	3,639
2026-10-08	173K	277K	62.5%	284
2026-10-07	74K	168K	44.0%	5,016
2026-10-06	333K	561K	59.4%	238
2026-10-05	221K	307K	71.9%	0
2026-10-02	110K	220K	50.0%	3,300
2026-10-01	233K	404K	57.7%	0
2026-09-30	107K	170K	63.1%	18
2026-09-29	257K	373K	69.0%	500
2026-09-28	188K	269K	69.8%	0
2026-09-25	76K	151K	50.2%	133
2026-09-24	113K	158K	71.5%	0
2026-09-23	81K	126K	63.7%	5
2026-09-22	167K	296K	56.5%	16,328
2026-09-21	125K	188K	66.4%	20
2026-09-18	201K	293K	68.8%	15
2026-09-17	186K	299K	62.2%	772
2026-09-16	187K	238K	78.9%	0
2026-09-15	134K	215K	62.4%	2,526
2026-09-14	365K	508K	71.8%	816
2026-09-11	141K	223K	63.3%	588
2026-09-10	270K	341K	79.1%	145
2026-09-09	214K	329K	65.2%	0
2026-09-08	274K	439K	62.3%	5,950
2026-09-04	97K	160K	60.5%	0
2026-09-03	114K	201K	56.5%	1,000
2026-09-02	73K	124K	58.5%	3,701
2026-09-01	146K	283K	51.7%	46
2026-08-31	196K	317K	61.9%	0

Fails to deliver

SEC, the last 30 settlement dates with a fail. JSON

As of 10 September 2026, the fails-to-deliver balance in STXS is 479 shares, down 6,515 shares over the last settlement date. Over the last 30 readings it ranged from 2 shares (18 August 2026) to 260,658 shares (17 July 2026). The latest reading sits at the bottom of that range.

Settlement	Shares failed	Price	Value
2026-09-10	479	$1.32	$632
2026-09-02	6,994	$1.37	$10K
2026-08-31	4,430	$1.45	$6K
2026-08-28	103	$1.47	$151
2026-08-24	13,915	$1.42	$20K
2026-08-21	1,413	$1.44	$2K
2026-08-20	14,752	$1.38	$20K
2026-08-19	54	$1.36	$73
2026-08-18	2	$1.39	$3
2026-08-17	494	$1.38	$682
2026-08-14	893	$1.38	$1K
2026-08-13	8,581	$1.40	$12K
2026-08-12	34,228	$1.46	$50K
2026-08-11	18,621	$1.44	$27K
2026-08-10	6,525	$1.42	$9K
2026-08-07	15,008	$1.36	$20K
2026-08-05	342	$1.42	$486
2026-08-03	49	$1.26	$62
2026-07-31	173	$1.33	$230
2026-07-29	105,438	$1.28	$135K
2026-07-28	56,233	$1.30	$73K
2026-07-27	81,473	$1.29	$105K
2026-07-24	62,527	$1.41	$88K
2026-07-22	30	$1.47	$44
2026-07-20	35,534	$1.55	$55K
2026-07-17	260,658	$1.65	$430K
2026-07-16	144	$1.62	$233
2026-07-15	24	$1.60	$38
2026-07-14	22,941	$1.64	$38K
2026-07-13	3,675	$1.70	$6K

Insider trades

SEC Form 4, newest first, 50 of 100 shown. JSON

No open-market insider trades were reported for STXS in the last 90 days. The most recent filings are listed below. Latest filing: SHAMIR NACHUM (Director) on 2026-07-01.

Date	Insider	Title	Type	Shares	Price	Value	Owned after
2026-07-01	SHAMIR NACHUM	Director	Grant	43K	$0.00	$0	179K
2026-07-01	Menawat Arun Swarup	Director	Grant	43K	$0.00	$0	1.0M
2026-07-01	Levin Ross B	Director	Grant	43K	$0.00	$0	621K
2026-07-01	Fischel Nathan	Director, 10% owner	Grant	43K	$0.00	$0	721K
2026-07-01	Curet Myriam	Director	Grant	43K	$0.00	$0	435K
2026-07-01	Benfer David	Director	Grant	43K	$0.00	$0	559K
2026-01-02	SHAMIR NACHUM	Director	Grant	47K	$0.00	$0	136K
2026-01-02	Menawat Arun Swarup	Director	Grant	47K	$0.00	$0	992K
2026-01-02	Levin Ross B	Director	Grant	47K	$0.00	$0	578K
2026-01-02	Fischel Nathan	Director, 10% owner	Grant	47K	$0.00	$0	678K
2026-01-02	Curet Myriam	Director	Grant	47K	$0.00	$0	392K
2026-01-02	Benfer David	Director	Grant	47K	$0.00	$0	516K
2025-11-17	Isaac Paul J	Director, See Remarks	Buy	10K	$2.18	$22K	97K
2025-11-14	Isaac Paul J	Director, See Remarks	Buy	20K	$2.24	$45K	2.8M
2025-07-01	SHAMIR NACHUM	Director	Grant	44K	$0.00	$0	89K
2025-07-01	Menawat Arun Swarup	Director	Grant	44K	$0.00	$0	946K
2025-07-01	Levin Ross B	Director	Grant	44K	$0.00	$0	531K
2025-07-01	Fischel Nathan	Director, 10% owner	Grant	44K	$0.00	$0	631K
2025-07-01	Curet Myriam	Director	Grant	44K	$0.00	$0	345K
2025-07-01	Benfer David	Director	Grant	44K	$0.00	$0	469K
2025-03-10	Isaac Paul J	Director,Other	Buy	38K	$1.81	$69K	87K
2025-03-07	Isaac Paul J	Director,Other	Buy	1K	$1.79	$3K	2.8M
2025-03-06	Isaac Paul J	Director,Other	Buy	23K	$1.81	$42K	49K
2025-01-02	SHAMIR NACHUM	Director	Grant	46K	$0.00	$0	46K
2025-01-02	Curet Myriam	Director	Grant	56K	$0.00	$0	301K
2025-01-02	Benfer David	Director	Grant	56K	$0.00	$0	425K
2025-01-02	Fischel Nathan	Director,TenPercentOwner	Grant	56K	$0.00	$0	587K
2025-01-02	Menawat Arun Swarup	Director	Grant	56K	$0.00	$0	902K
2025-01-02	Levin Ross B	Director	Grant	56K	$0.00	$0	488K
2024-08-20	Isaac Paul J	Director,Other	Buy	442	$1.88	$831	2.8M
2024-08-19	Isaac Paul J	Director,Other	Buy	812	$1.88	$2K	2.8M
2024-08-15	Isaac Paul J	Director,Other	Buy	8K	$1.90	$15K	2.8M
2024-07-01	Levin Ross B	Director	Grant	53K	$0.00	$0	431K
2024-07-01	Menawat Arun Swarup	Director	Grant	53K	$0.00	$0	845K
2024-07-01	Fischel Nathan	Director,TenPercentOwner	Grant	53K	$0.00	$0	531K
2024-07-01	Benfer David	Director	Grant	53K	$0.00	$0	369K
2024-07-01	Curet Myriam	Director	Grant	53K	$0.00	$0	245K
2024-06-14	Isaac Paul J	Director,Other	Buy	7K	$1.86	$13K	2.8M
2024-05-31	Isaac Paul J	Director,Other	Buy	1K	$1.96	$2K	2.8M
2024-05-29	Isaac Paul J	Director,Other	Buy	3K	$1.90	$6K	2.7M
2024-05-28	Isaac Paul J	Director,Other	Buy	6K	$1.91	$11K	2.7M
2024-01-02	Curet Myriam	Director	Grant	65K	$0.00	$0	191K
2024-01-02	MESSEY ROBERT J	Director	Grant	65K	$0.00	$0	518K
2024-01-02	Menawat Arun Swarup	Director	Grant	65K	$0.00	$0	792K
2024-01-02	Levin Ross B	Director	Grant	65K	$0.00	$0	378K
2024-01-02	Fischel Nathan	Director,TenPercentOwner	Grant	65K	$0.00	$0	477K
2024-01-02	Benfer David	Director	Grant	65K	$0.00	$0	315K
2023-12-15	Isaac Paul J	Director,Other	Buy	11K	$1.72	$19K	2.7M
2023-11-30	Isaac Paul J	Director,Other	Buy	3K	$1.56	$4K	2.7M
2023-11-22	Isaac Paul J	Director,Other	Buy	18	$1.50	$27	2.7M

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.

Large holders (13D and 13G)

One row per reporting person with its latest filing, newest first. JSON

1 holder reports 5% or more of STXS in its latest filing, on Schedule 13G (passive). The holder is Daniel Louis Kaufman at 5.9% of the class (5,956,714 shares), filed 2026-08-19 for an event on 2026-08-12.

Filed	Form	Holder	Shares	Of class	Event
2026-08-19	13G	Daniel Louis Kaufmanindividual	6.0M	5.9%	2026-08-12
2026-05-15	13G/Ano. 1	Lagoda Investment Management, L.P.investment adviser	4.4M	4.5%	2026-03-31

13F holders

Tracked managers holding STXS at their latest 13F. JSON

3 of the 30 tracked managers held STXS at their latest 13F, $680K in total at quarter-end prices. AQR Capital Management is the largest at $338K (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 1 cut.

Fund	Quarter	Shares	Value	Of portfolio	Change in shares
AQR Capital Management	2026-06-30	197K	$338K	0.00%	+131K
Citadel Advisors	2026-06-30	183K	$315K	0.00%	new
Renaissance Technologies	2026-06-30	15K	$26K	0.00%	-357K

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

What this page is

Stereotaxis in the regulatory record

Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.

Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.

This page follows Stereotaxis (STXS), SEC CIK 1289340, listed on NYSE, classified by the SEC as electromedical & electrotherapeutic apparatus. The cross-market tables live on the short interest and insider transactions hubs.

Source and updates

Short interest: FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-09-30.JSON and CSV
Daily short volume: FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-12.JSON and CSV
Fails to deliver: SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-10.JSON and CSV
Large holders: SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-08-19.JSON and CSV
13F holders: SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
Earnings dates: SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-11.JSON and CSV
Insider trades: SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-07-01.JSON and CSV
Company record: EDGAR filing index for CIK 1289340Ticker, name and exchange from the SEC's company list, refreshed weekly.
Rate limits: 10 requests a minute without a key, 30 with a free key from a free account.

How to read it

Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.

Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.

Other companies the SEC classifies as electromedical & electrotherapeutic apparatus

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Datasets

Frequently Asked Questions

How much of STXS is sold short?

5,681,816 shares were held short at the 2026-09-30 settlement, 11.6 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.

What is STXS's daily short volume?

On 2026-10-12, 249,445 of the 285,672 STXS shares reported to FINRA were sold short, 87.3% of the day's reported volume. Short volume is a flow for one day, not a position.

Does STXS have fails to deliver?

The SEC's latest file shows 479 STXS shares failed to deliver at settlement 2026-09-10. Fails are reported per settlement date and published twice a month with a lag.

Are STXS insiders buying or selling?

No open-market insider trades were reported for STXS in the last 90 days. The most recent filings are listed below. Latest filing: SHAMIR NACHUM (Director) on 2026-07-01.

Who owns 5% or more of STXS?

Which tracked 13F managers own STXS?

3 of the 30 tracked 13F managers held STXS shares at their latest filing, $680K in all. The largest: Cliff Asness's AQR Capital Management (197K shares, $338K), Ken Griffin's Citadel Advisors (183K shares, $315K), Renaissance Technologies (15K shares, $26K).

Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.