Needham Investment Management LLC Vicor Corp Transaction History

Needham Investment Management LLC

$1.24 Billion
Q3 2025

A detailed history of Needham Investment Management LLC transactions in Vicor Corp stock. As of the latest transaction made, Needham Investment Management LLC holds 641,450 shares of VICR stock, worth $57.1 Million. This represents 2.57% of its overall portfolio holdings.

Number of Shares

641,450

Previous 705,500 9.08%

Holding current value

$57.1 Million

Previous $32 Million 0.34%

% of portfolio

2.57%

Previous 2.92%

30 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$43.84 - $54.72 $2.81 Million - $3.5 Million	-64,050 Reduced 9.08%	641,450 $31.9 Million
Q2 2025 Aug 13, 2025	SELL	$39.41 - $51.91 $2.7 Million - $3.56 Million	-68,500 Reduced 8.85%	705,500 $32 Million
Q1 2025 May 14, 2025	SELL	$46.78 - $64.71 $4.68 Million - $6.47 Million	-100,000 Reduced 11.44%	774,000 $36.2 Million
Q4 2024 Feb 13, 2025	SELL	$40.19 - $60.94 $1.3 Million - $1.98 Million	-32,439 Reduced 3.58%	874,000 $42.2 Million
Q3 2024 Nov 13, 2024	BUY	$32.63 - $42.29 $699,554 - $906,655	21,439 Added 2.42%	906,439 $38.2 Million
Q2 2024 Aug 13, 2024	BUY	$31.82 - $38.08 $3.34 Million - $4 Million	105,000 Added 13.46%	885,000 $29.3 Million
Q1 2024 May 14, 2024	BUY	$35.51 - $47.18 $8.35 Million - $11.1 Million	235,100 Added 43.15%	780,000 $29.8 Million
Q4 2023 Feb 14, 2024	BUY	$36.3 - $58.86 $3.12 Million - $5.06 Million	86,050 Added 18.75%	544,900 $24.5 Million
Q3 2023 Nov 13, 2023	BUY	$52.95 - $95.14 $177,382 - $318,719	3,350 Added 0.74%	458,850 $27 Million
Q2 2023 Aug 11, 2023	BUY	$41.28 - $60.5 $1.94 Million - $2.84 Million	47,000 Added 11.51%	455,500 $24.6 Million
Q1 2023 May 12, 2023	BUY	$40.85 - $71.9 $2.7 Million - $4.75 Million	66,000 Added 19.27%	408,500 $19.2 Million
Q4 2022 Feb 13, 2023	BUY	$45.09 - $64.43 $1.26 Million - $1.8 Million	28,000 Added 8.9%	342,500 $18.4 Million
Q3 2022 Nov 10, 2022	SELL	$52.26 - $82.17 $52,260 - $82,170	-1,000 Reduced 0.32%	314,500 $18.6 Million
Q2 2022 Aug 12, 2022	BUY	$52.68 - $73.72 $1.3 Million - $1.82 Million	24,750 Added 8.51%	315,500 $17.3 Million
Q1 2022 May 16, 2022	BUY	$61.77 - $126.18 $4.4 Million - $8.99 Million	71,250 Added 32.46%	290,750 $20.5 Million
Q4 2021 Feb 14, 2022	SELL	$114.68 - $162.93 $498,858 - $708,745	-4,350 Reduced 1.94%	219,500 $27.9 Million
Q3 2021 Nov 15, 2021	SELL	$102.69 - $139.0 $616,140 - $834,000	-6,000 Reduced 2.61%	223,850 $30 Million
Q4 2020 Feb 16, 2021	SELL	$76.77 - $95.3 $57,577 - $71,475	-750 Reduced 0.33%	229,850 $21.2 Million
Q3 2020 Nov 16, 2020	SELL	$71.63 - $90.58 $752,115 - $951,090	-10,500 Reduced 4.36%	230,600 $17.9 Million
Q2 2020 Aug 14, 2020	SELL	$37.9 - $72.25 $2.41 Million - $4.6 Million	-63,650 Reduced 20.89%	241,100 $17.3 Million
Q1 2020 May 15, 2020	BUY	$32.84 - $56.63 $484,390 - $835,292	14,750 Added 5.09%	304,750 $13.6 Million
Q4 2019 Feb 14, 2020	SELL	$29.43 - $46.72 $367,875 - $584,000	-12,500 Reduced 4.13%	290,000 $13.5 Million
Q3 2019 Nov 14, 2019	BUY	$27.09 - $34.37 $3.9 Million - $4.95 Million	144,000 Added 90.85%	302,500 $8.93 Million
Q2 2019 Aug 14, 2019	BUY	$28.07 - $38.65 $1.34 Million - $1.85 Million	47,825 Added 43.21%	158,500 $4.92 Million
Q1 2019 May 15, 2019	BUY	$29.46 - $48.06 $734,968 - $1.2 Million	24,948 Added 29.1%	110,675 $3.43 Million
Q4 2018 Feb 14, 2019	BUY	$32.1 - $42.93 $64,200 - $85,860	2,000 Added 2.39%	85,727 $3.24 Million
Q2 2018 Aug 14, 2018	SELL	$27.25 - $50.7 $735,014 - $1.37 Million	-26,973 Reduced 24.37%	83,727 $3.65 Million
Q1 2018 May 15, 2018	SELL	$17.0 - $28.55 $25,500 - $42,825	-1,500 Reduced 1.34%	110,700 $3.16 Million
Q4 2017 Feb 14, 2018	SELL	$20.6 - $24.95 $51,500 - $62,375	-2,500 Reduced 2.18%	112,200 $2.34 Million
Q2 2017 Aug 14, 2017	BUY	N/A	114,700	114,700 $2.05 Million

Others Institutions Holding VICR

# of Institutions

235

Shares Held

19.5M

Call Options Held

39.9K

Put Options Held

156K

View Full List

About VICOR CORP

Ticker VICR
Exchange NASDAQ
Sector Technology
Industry Electronic Components
Shares Outstandng 32,225,600
Market Cap $2.87B
Description
Vicor Corporation, together with its subsidiaries, designs, develops, manufactures, and markets modular power components and power systems for converting electrical power in the United States, Europe, the Asia Pacific, and internationally. The company offers a range of brick-format DC-DC converters; complementary components; and input and output...

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Needham Investment Management LLC Vicor Corp Transaction History