ESSEX INVESTMENT MANAGEMENT CO LLC

Position in STXS — Stereotaxis, Inc.

CIK 201772 BOSTON, MA

Position in STXS

as of Jun 30, 2026 · filed Aug 6, 2026 Compact

Position Value

$2,617,781

-$308,004 QoQ

Shares Held

1,521,966

-4.3% QoQ

Ownership

1.52%

of shares outstanding

% of Portfolio

0.35%

of 13F equity value

Holder Rank

of 107 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 54% Shared 0% None 46%

Healthcare · as of Jun 30, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $3,160,446 across 4 Medical Instruments & Supplies names. STXS ranks #1 (82.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	STXS	Stereotaxis, Inc. This page	1,521,966	$2,617,781
2	POCI	Precision Optics Corporation, Inc.	46,630	$237,813
3	HBIO	Harvard Bioscience Inc	26,973	$165,883
4	NEPH	Nephros Inc	38,927	$138,969

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,617,781	1,521,966	-4.3%	Shares	Sole	2026-08-06
2026-03-31	$2,925,785	1,590,101	+1.8%	Shares	Sole	2026-05-11
2025-12-31	$3,592,643	1,562,019	-2.3%	Shares	Sole	2026-02-13
2025-09-30	$4,970,134	1,598,114	+3.5%	Shares	Sole	2025-11-06
2025-06-30	$3,274,882	1,544,756	-0.7%	Shares	Sole	2025-08-12
2025-03-31	$2,738,725	1,556,094	+28.3%	Shares	Sole	2025-05-07
2024-12-31	$2,765,557	1,212,964	-14.0%	Shares	Sole	2025-02-07
2024-09-30	$2,876,663	1,410,129	+0.3%	Shares	Sole	2024-10-10
2024-06-30	$2,559,669	1,406,412	+17.8%	Shares	Sole	2024-08-12
2024-03-31	$3,116,311	1,193,989	+1.6%	Shares	Sole	2024-05-03
2023-12-31	$2,057,436	1,175,678	-10.2%	Shares	Sole	2024-02-08
2023-09-30	$2,068,390	1,309,108	-1.9%	Shares	Sole	2023-11-09
2023-06-30	$2,042,449	1,334,934	+54.5%	Shares	Sole	2023-08-14
2023-03-31	$1,762,404	863,924	+24.1%	Shares	Sole	2023-05-04
2022-12-31	$1,441,127	696,197	+26.0%	Shares	Sole	2023-02-03
2022-09-30	$994,411	552,451	+92.3%	Shares	Sole	2022-11-14
2022-06-30	$528,703	287,339	+3.5%	Shares	Sole	2022-08-12
2022-03-31	$1,035,612	277,644	+4.8%	Shares	Sole	2022-05-09
2021-12-31	$1,641,791	264,805	+8.3%	Shares	Sole	2022-02-10
2021-09-30	$1,315,334	244,486	-0.6%	Shares	Sole	2021-11-09
2021-06-30	$2,371,787	246,036	+28.2%	Shares	Sole	2021-08-12
2021-03-31	$1,290,004	191,965	-9.8%	Shares	Sole	2021-05-12
2020-12-31	$1,082,744	212,720	-15.1%	Shares	Sole	2021-02-12
2020-09-30	$897,205	250,616	+3.4%	Shares	Sole	2020-11-12
2020-06-30	$1,080,617	242,291	-0.5%	Shares	Sole	2020-08-04
2020-03-31	$735,351	243,494	—	Shares	Sole	2020-05-04
No filing history on record for this holder in this stock.