NEEDHAM INVESTMENT MANAGEMENT LLC

Position in VICR — Vicor Corp

CIK 1167212 NEW YORK, NY

Back to VICR Full portfolio

Position in VICR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$199,004,720

+$114,962,720 QoQ

Shares Held

524,000

+0.4% QoQ

Ownership

1.14%

of shares outstanding

% of Portfolio

5.98%

of 13F equity value

Holder Rank

#11

of 514 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in VICR Over Time

Shares Held

Position Value (USD)

Position in Electronic Components

Technology · as of Jun 30, 2026

NEEDHAM INVESTMENT MANAGEMENT LLC holds $252,298,095 across 6 Electronic Components names. VICR ranks #1 (78.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VICR	Vicor Corp This page	524,000	$199,004,720
2	LPTH	Lightpath Technologies Inc	1,010,000	$16,513,500
3	TTMI	Ttm Technologies Inc	72,500	$13,558,950
4	GLW	Corning Inc /Ny	42,500	$10,855,775
5	ROG	Rogers Corp	55,000	$9,005,150
6	KOPN	Kopin Corp	750,000	$3,360,000

All Filings in VICR

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$199,004,720	524,000	+0.4%	Shares	Defined	2026-08-14
2026-03-31	$84,042,000	522,000	-8.4%	Shares	Defined	2026-05-15
2025-12-31	$62,447,340	569,775	-11.2%	Shares	Defined	2026-02-17
2025-09-30	$31,892,894	641,450	-9.1%	Shares	Defined	2025-11-14
2025-06-30	$32,001,480	705,500	-8.9%	Shares	Defined	2025-08-14
2025-03-31	$36,207,720	774,000	-11.4%	Shares	Defined	2025-05-15
2024-12-31	$42,231,680	874,000	-3.6%	Shares	Defined	2025-02-14
2024-09-30	$38,161,081	906,439	+2.4%	Shares	Defined	2024-11-14
2024-06-30	$29,346,600	885,000	+13.5%	Shares	Defined	2024-08-14
2024-03-31	$29,827,200	780,000	+43.1%	Shares	Defined	2024-05-15
2023-12-31	$24,487,806	544,900	+18.8%	Shares	Defined	2024-02-14
2023-09-30	$27,021,676	458,850	+0.7%	Shares	Defined	2023-11-14
2023-06-30	$24,597,000	455,500	+11.5%	Shares	Defined	2023-08-14
2023-03-31	$19,174,990	408,500	+19.3%	Shares	Defined	2023-05-15
2022-12-31	$18,409,375	342,500	+8.9%	Shares	Defined	2023-02-14
2022-09-30	$18,599,529	314,500	-0.3%	Shares	Defined	2022-11-14
2022-06-30	$17,267,315	315,500	+8.5%	Shares	Defined	2022-08-12
2022-03-31	$20,512,412	290,750	+32.5%	Shares	Defined	2022-05-16
2021-12-31	$27,872,110	219,500	-1.9%	Shares	Defined	2022-02-14
2021-09-30	$30,031,716	223,850	-2.6%	Shares	Defined	2021-11-15
2021-06-30	$24,304,339	229,850	0.0%	Shares	Defined	2021-08-16
2021-03-31	$19,544,145	229,850	0.0%	Shares	Defined	2021-05-17
2020-12-31	$21,196,767	229,850	-0.3%	Shares	Defined	2021-02-16
2020-09-30	$17,924,538	230,600	-4.4%	Shares	Defined	2021-02-25
2020-06-30	$17,347,145	241,100	-20.9%	Shares	Defined	2021-02-25
2020-03-31	$13,573,565	304,750	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.