Marshall Wace’s Vicor VICR Stock Holding History

Marshall Wace’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 Q1	$338K	Sell	2,100 -101,536	-98%	-$16.8M	﹤0.01%	2611
2025 Q4	$11.4M	Buy	103,636 +47,101	+83%	+$4M	0.01%	825
2025 Q3	$2.81M	Buy	+56,535	New	+$2.75M	﹤0.01%	1452
2024 Q3	–	Sell	-26,150	Closed	-$867K	–	2985
2024 Q2	$867K	Buy	26,150 +9,878	+61%	+$341K	﹤0.01%	1752
2024 Q1	$622K	Buy	+16,272	New	+$633K	﹤0.01%	1848
2023 Q4	–	Sell	-5,332	Closed	-$314K	–	2639
2023 Q3	$314K	Sell	5,332 -70,757	-93%	-$4.69M	﹤0.01%	1870
2023 Q2	$4.11M	Buy	76,089 +58,210	+326%	+$2.87M	0.01%	1109
2023 Q1	$839K	Sell	17,879 -5,941	-25%	-$330K	﹤0.01%	1896
2022 Q4	$1.28M	Buy	+23,820	New	+$1.25M	﹤0.01%	1971
2019 Q4	–	Sell	-123	Closed	-$4K	–	2088
2019 Q3	$4K	Sell	123 -9,719	-99%	-$300K	﹤0.01%	1624
2019 Q2	$306K	Buy	+9,842	New	+$316K	﹤0.01%	1180

Other funds holding VICR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

NIM

Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return

Marshall Wace's VICR Position: Q1 2026 in Review

Marshall Wace reduced its Vicor (VICR) stake by 98% in Q1 2026, selling an estimated $16.8M and leaving 2,100 shares worth $338K. The position accounts for ﹤0.01% of the portfolio, ranked #2611.

Marshall Wace first reported a position in VICR in Q2 2019 and has held it in 11 quarters since. The position peaked at $11.4M in Q4 2025. 369 funds tracked by Wall St. Rank hold VICR as of Q1 2026.

Marshall Wace held 2,100 shares of Vicor worth $338K as of Q1 2026.
Marshall Wace sold 101,536 Vicor shares in Q1 2026, an estimated $16.8M.
Vicor made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2611 holding.
Marshall Wace first reported a position in Vicor in Q2 2019 and has held it in 11 quarters since.
Marshall Wace's Vicor position peaked at $11.4M in Q4 2025.
369 funds tracked by Wall St. Rank held Vicor as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.