RHUMBLINE ADVISERS

CIK

1115418

City

BOSTON

State / Country

Stock

BFC — Bank First Corp

Top Portfolio Positions

3,465 positions · $113,756,740,880 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	$1,647,461	12,198	-1.4%	Shares	Sole	2026-05-12
2025-12-31	$1,506,547	12,367	-15.1%	Shares	Sole	2026-02-13
2025-09-30	$1,767,729	14,572	-1.6%	Shares	Sole	2025-11-06
2025-06-30	$1,741,572	14,803	+5.8%	Shares	Sole	2025-08-12
2025-03-31	$1,409,251	13,989	-2.6%	Shares	Sole	2025-05-29
2024-12-31	$1,422,536	14,356	+0.1%	Shares	Sole	2025-05-29
2024-09-30	$1,301,182	14,346	+0.7%	Shares	Sole	2024-11-12
2024-06-30	$1,176,577	14,246	+5.5%	Shares	Sole	2024-08-01
2024-03-31	$1,170,045	13,500	+2.7%	Shares	Sole	2024-05-09
2023-12-31	$1,138,972	13,143	+1.0%	Shares	Sole	2024-02-08
2023-09-30	$1,004,184	13,016	+1.9%	Shares	Sole	2023-11-09
2023-06-30	$1,062,880	12,775	+16.1%	Shares	Sole	2023-08-08
2023-03-31	$809,600	11,003	+0.3%	Shares	Sole	2023-05-11
2022-12-31	$1,017,956	10,967	+13.1%	Shares	Sole	2023-02-14
2022-09-30	$741,320	9,693	+5.9%	Shares	Sole	2022-11-10
2022-06-30	$693,661	9,150	+20.4%	Shares	Sole	2022-08-11
2022-03-31	$546,980	7,598	-9.2%	Shares	Sole	2022-05-12
2021-12-31	$604,287	8,365	-1.3%	Shares	Sole	2022-02-10
2021-09-30	$600,906	8,479	+2.7%	Shares	Sole	2021-11-12
2021-06-30	$575,881	8,254	+33.7%	Shares	Sole	2021-08-05
2021-03-31	$462,913	6,173	-6.8%	Shares	Sole	2021-05-06
2020-12-31	$429,302	6,623	+8.9%	Shares	Sole	2021-02-10
2020-09-30	$357,130	6,084	-15.5%	Shares	Sole	2020-11-12
2020-06-30	$461,455	7,199	+17.6%	Shares	Sole	2020-08-13
2020-03-31	$342,944	6,124	—	Shares	Sole	2020-05-06
No 13F history on record for this holder in this stock.