RHUMBLINE ADVISERS

CIK

1115418

City

BOSTON

State / Country

Stock

OEC — Orion S.A.

Top Portfolio Positions

3,471 positions · $113,674,413,224 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	$440,381	67,751	-5.1%	Shares	Sole	2026-05-12
2025-12-31	$376,981	71,398	-15.6%	Shares	Sole	2026-02-13
2025-09-30	$641,533	84,635	-1.4%	Shares	Sole	2025-11-06
2025-06-30	$900,618	85,855	+2.8%	Shares	Sole	2025-08-12
2025-03-31	$1,079,797	83,511	+5.5%	Shares	Sole	2025-05-29
2024-12-31	$1,250,204	79,177	+2.9%	Shares	Sole	2025-05-29
2024-09-30	$1,370,158	76,932	-5.2%	Shares	Sole	2024-11-12
2024-06-30	$1,780,847	81,169	+3.8%	Shares	Sole	2024-08-01
2024-03-31	$1,838,864	78,183	+2.1%	Shares	Sole	2024-05-09
2023-12-31	$2,122,426	76,539	-0.5%	Shares	Sole	2024-02-08
2023-09-30	$1,637,283	76,940	+3.0%	Shares	Sole	2023-11-09
2023-06-30	$1,584,667	74,678	-4.6%	Shares	Sole	2023-08-08
2023-03-31	$2,041,646	78,254	+2.7%	Shares	Sole	2023-05-11
2022-12-31	$1,357,068	76,197	+1.9%	Shares	Sole	2023-02-14
2022-09-30	$997,952	74,753	+8.2%	Shares	Sole	2022-11-10
2022-06-30	$1,072,781	69,078	+14.4%	Shares	Sole	2022-08-11
2022-03-31	$964,651	60,404	-0.2%	Shares	Sole	2022-05-12
2021-12-31	$1,111,165	60,521	-1.8%	Shares	Sole	2022-02-10
2021-09-30	$1,123,369	61,622	+3.6%	Shares	Sole	2021-11-12
2021-06-30	$1,129,658	59,487	-23.5%	Shares	Sole	2021-08-05
2021-03-31	$1,532,539	77,715	-4.9%	Shares	Sole	2021-05-06
2020-12-31	$1,401,040	81,741	+10.0%	Shares	Sole	2021-02-10
2020-09-30	$929,580	74,307	-11.6%	Shares	Sole	2020-11-12
2020-06-30	$890,015	84,043	+3.7%	Shares	Sole	2020-08-13
2020-03-31	$604,573	81,042	—	Shares	Sole	2020-05-06
No 13F history on record for this holder in this stock.