SIMPLEX TRADING, LLC

Position in VICR — Vicor Corp

CIK 1488542 CHICAGO, IL

Position in VICR

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$1,883,378

+$831,657 QoQ

Shares Held

11,698

+21.9% QoQ

Ownership

0.026%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

15 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Technology · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $19,995,151 across 19 Electronic Components names. VICR ranks #4 (9.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GLW	Corning Inc /Ny	47,403	$6,445,385
2	PLXS	Plexus Corp	18,687	$3,784,864
3	TTMI	Ttm Technologies Inc	38,315	$3,732,647
4	VICR	Vicor Corp This page	11,698	$1,883,378
5	FN	Fabrinet	3,366	$1,755,436
6	LPTH	Lightpath Technologies Inc	90,437	$907,083
7	ROG	Rogers Corp	4,960	$532,356
8	OUST	Ouster, Inc.	19,834	$364,350

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,883,378	11,698	+21.9%	Shares	Sole	2026-05-14
2025-12-31	$1,051,721	9,596	+231.6%	Shares	Sole	2026-02-11
2025-09-30	$143,889	2,894	-54.4%	Shares	Sole	2025-11-12
2025-06-30	$288,081	6,351	+65.4%	Shares	Sole	2025-08-05
2025-03-31	$179,635	3,840	-85.7%	Shares	Sole	2025-05-12
2024-09-30	$1,133,289	26,919	+883.2%	Shares	Sole	2024-11-08
2023-12-31	$123,045	2,738	-67.3%	Shares	Sole	2024-02-02
2023-09-30	$493,792	8,385	+106.2%	Shares	Sole	2023-11-01
2023-03-31	$190,904	4,067	-64.1%	Shares	Sole	2023-04-27
2022-03-31	$800,107	11,341	+45.4%	Shares	Sole	2022-05-02
2021-12-31	$990,697	7,802	+486.2%	Shares	Sole	2022-02-23
2021-09-30	$178,566	1,331	+17.7%	Shares	Sole	2021-10-28
2021-06-30	$119,591	1,131	+60.4%	Shares	Sole	2021-08-12
2021-03-31	$59,946	705	-79.8%	Shares	Sole	2021-04-26
2020-06-30	$251,177	3,491	—	Shares	Sole	2020-07-13
No filing history on record for this holder in this stock.