RHUMBLINE ADVISERS

CIK

1115418

City

BOSTON

State / Country

Stock

VICR — Vicor Corp

Top Portfolio Positions

3,469 positions · $113,790,378,372 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	42,003,171	$7,325,353,022	6.44%
AAPL	Apple Inc. Technology	25,818,857	$6,552,567,718	5.76%
MSFT	Microsoft Corp Technology	12,999,925	$4,812,182,237	4.23%
AMZN	Amazon Com Inc Consumer Cyclical	16,587,340	$3,454,645,301	3.04%
GOOGL	Alphabet Inc. Communication Services	10,138,654	$2,915,471,344	2.56%
AVGO	Broadcom Inc. Technology	8,207,022	$2,540,155,379	2.23%
META	Meta Platforms, Inc. Communication Services	3,836,760	$2,195,125,498	1.93%
TSLA	Tesla, Inc. Consumer Cyclical	4,844,884	$1,801,085,627	1.58%
BRK-B	Berkshire Hathaway Inc Financial Services	2,848,515	$1,365,008,388	1.20%
JPM	Jpmorgan Chase & Co Financial Services	4,613,123	$1,356,996,261	1.19%

25 quarters · across all stocks

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$10,919,020	67,820	+9.5%	Shares	Sole	2026-05-12
2025-12-31	$6,790,487	61,957	-7.6%	Shares	Sole	2026-02-13
2025-09-30	$3,332,333	67,022	-3.9%	Shares	Sole	2025-11-06
2025-06-30	$3,164,041	69,754	+2.8%	Shares	Sole	2025-08-12
2025-03-31	$3,175,613	67,884	-0.8%	Shares	Sole	2025-05-29
2024-12-31	$3,306,392	68,427	-0.3%	Shares	Sole	2025-05-29
2024-09-30	$2,889,786	68,641	+0.4%	Shares	Sole	2024-11-12
2024-06-30	$2,267,480	68,380	+3.9%	Shares	Sole	2024-08-01
2024-03-31	$2,517,568	65,836	+1.5%	Shares	Sole	2024-05-09
2023-12-31	$2,915,167	64,868	-11.0%	Shares	Sole	2024-02-08
2023-09-30	$4,292,786	72,895	-5.4%	Shares	Sole	2023-11-09
2023-06-30	$4,159,674	77,031	+8.3%	Shares	Sole	2023-08-08
2023-03-31	$3,338,231	71,117	-0.0%	Shares	Sole	2023-05-11
2022-12-31	$3,822,915	71,124	+5.0%	Shares	Sole	2023-02-14
2022-09-30	$4,006,202	67,741	+5.8%	Shares	Sole	2022-11-10
2022-06-30	$3,503,540	64,015	+10.3%	Shares	Sole	2022-08-11
2022-03-31	$4,095,004	58,044	+1.6%	Shares	Sole	2022-05-12
2021-12-31	$7,256,145	57,144	+14.9%	Shares	Sole	2022-02-10
2021-09-30	$6,674,325	49,749	-13.9%	Shares	Sole	2021-11-12
2021-06-30	$6,111,666	57,799	-1.7%	Shares	Sole	2021-08-05
2021-03-31	$4,998,828	58,789	+1.0%	Shares	Sole	2021-05-06
2020-12-31	$5,370,339	58,234	+5.1%	Shares	Sole	2021-02-10
2020-09-30	$4,306,786	55,407	+1.0%	Shares	Sole	2020-11-12
2020-06-30	$3,945,162	54,832	-6.0%	Shares	Sole	2020-08-13
2020-03-31	$2,599,042	58,353	—	Shares	Sole	2020-05-06
No 13F history on record for this holder in this stock.