RHUMBLINE ADVISERS

CIK

1115418

City

BOSTON

State / Country

Stock

AMT — American Tower Corp /Ma/

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

24 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$171,742,987	995,150	-0.9%	Shares	Sole	2026-05-12
2025-12-31	$176,310,378	1,004,217	-2.7%	Shares	Sole	2026-02-13
2025-09-30	$198,451,546	1,031,882	-4.3%	Shares	Sole	2025-11-06
2025-06-30	$238,433,944	1,078,789	+0.2%	Shares	Sole	2025-08-12
2025-03-31	$234,210,060	1,076,333	-2.5%	Shares	Sole	2025-05-29
2024-12-31	$202,427,599	1,103,689	-0.7%	Shares	Sole	2025-05-29
2024-09-30	$258,398,346	1,111,104	-1.1%	Shares	Sole	2024-11-12
2024-06-30	$218,338,501	1,123,256	+2.8%	Shares	Sole	2024-08-01
2024-03-31	$215,867,667	1,092,503	-0.2%	Shares	Sole	2024-05-09
2023-12-31	$236,290,158	1,094,544	-0.3%	Shares	Sole	2024-02-08
2023-09-30	$180,496,208	1,097,575	-0.4%	Shares	Sole	2023-11-09
2023-06-30	$213,631,310	1,101,533	+10.9%	Shares	Sole	2023-08-08
2023-03-31	$203,022,415	993,552	+0.2%	Shares	Sole	2023-05-11
2022-12-31	$209,977,200	991,113	+3.5%	Shares	Sole	2023-02-14
2022-09-30	$205,589,205	957,565	+1.6%	Shares	Sole	2022-11-10
2022-06-30	$240,833,766	942,266	+5.3%	Shares	Sole	2022-08-11
2022-03-31	$224,863,002	895,084	+1.8%	Shares	Sole	2022-05-12
2021-09-30	$233,421,459	879,475	-2.3%	Shares	Sole	2021-11-12
2021-06-30	$243,081,967	899,837	-1.7%	Shares	Sole	2021-08-05
2021-03-31	$218,876,881	915,573	-1.4%	Shares	Sole	2021-05-06
2020-12-31	$208,413,579	928,511	-1.0%	Shares	Sole	2021-02-10
2020-09-30	$226,725,335	937,928	-1.9%	Shares	Sole	2020-11-12
2020-06-30	$247,269,465	956,407	+5.6%	Shares	Sole	2020-08-13
2020-03-31	$197,260,813	905,905	—	Shares	Sole	2020-05-06
No 13F history on record for this holder in this stock.