Driehaus Capital Management’s Vicor VICR Stock Holding History

Driehaus Capital Management’s Portfolio VICR Stock Details VICR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$189M	Buy	496,507 +307,044	+162%	+$83.8M	1.09%	13
2026 Q1	$30.5M	Buy	+189,463	New	+$31.3M	0.22%	148
2022 Q1	–	Sell	-738,149	Closed	-$93.7M	–	452
2021 Q4	$93.7M	Buy	738,149 +195,449	+36%	+$27.7M	0.96%	18
2021 Q3	$72.8M	Buy	542,700 +187,849	+53%	+$22.4M	0.86%	23
2021 Q2	$37.5M	Buy	354,851 +7,148	+2%	+$636K	0.5%	54
2021 Q1	$29.6M	Buy	347,703 +92,334	+36%	+$8.69M	0.44%	62
2020 Q4	$23.6M	Sell	255,369 -82,458	-24%	-$6.93M	0.38%	82
2020 Q3	$26.3M	Sell	337,827 -113,160	-25%	-$9M	0.54%	48
2020 Q2	$32.4M	Buy	450,987 +191,105	+74%	+$10.7M	0.79%	24
2020 Q1	$11.6M	Buy	259,882 +158,926	+157%	+$7.54M	0.39%	72
2019 Q4	$4.72M	Buy	+100,956	New	+$3.84M	0.13%	192
2015 Q1	–	Sell	-16,602	Closed	-$201K	–	554
2014 Q4	$201K	Buy	16,602 +6,602	+66%	+$78.2K	0.01%	465
2014 Q3	$94K	Buy	+10,000	New	+$83.2K	﹤0.01%	517

Other funds holding VICR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Driehaus Capital Management's VICR Position: Q2 2026 in Review

Driehaus Capital Management increased its Vicor (VICR) stake by 162% in Q2 2026, buying an estimated $83.8M and bringing the position to 496,507 shares worth $189M. The position accounts for 1.09% of the portfolio, ranked #13.

Driehaus Capital Management first reported a position in VICR in Q3 2014 and has held it in 13 quarters since. 514 funds tracked by Wall St. Rank hold VICR as of Q2 2026.

Driehaus Capital Management held 496,507 shares of Vicor worth $189M as of Q2 2026.
Driehaus Capital Management bought 307,044 Vicor shares in Q2 2026, an estimated $83.8M.
Vicor made up 1.09% of Driehaus Capital Management's portfolio in Q2 2026, its #13 holding.
Driehaus Capital Management first reported a position in Vicor in Q3 2014 and has held it in 13 quarters since.
514 funds tracked by Wall St. Rank held Vicor as of Q2 2026.

Based on Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.