RHUMBLINE ADVISERS

CIK

1115418

City

BOSTON

State / Country

Stock

CGNX — Cognex Corp

Top Portfolio Positions

3,468 positions · $113,789,901,610 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	$22,160,381	452,345	+1.2%	Shares	Sole	2026-05-12
2025-12-31	$16,085,614	447,071	-3.3%	Shares	Sole	2026-02-13
2025-09-30	$20,951,974	462,516	-1.6%	Shares	Sole	2025-11-06
2025-06-30	$14,914,109	470,180	+0.0%	Shares	Sole	2025-08-12
2025-03-31	$14,022,396	470,077	-0.7%	Shares	Sole	2025-05-29
2024-12-31	$16,984,120	473,623	+0.0%	Shares	Sole	2025-05-29
2024-09-30	$19,174,117	473,435	-0.9%	Shares	Sole	2024-11-12
2024-06-30	$22,331,734	477,582	-1.7%	Shares	Sole	2024-08-01
2024-03-31	$20,602,588	485,681	-3.9%	Shares	Sole	2024-05-09
2023-12-31	$21,105,121	505,633	-2.9%	Shares	Sole	2024-02-08
2023-09-30	$22,100,120	520,738	-1.9%	Shares	Sole	2023-11-09
2023-06-30	$29,748,300	531,030	-1.3%	Shares	Sole	2023-08-08
2023-03-31	$26,670,089	538,246	+2.8%	Shares	Sole	2023-05-11
2022-12-31	$24,671,930	523,709	+2.7%	Shares	Sole	2023-02-14
2022-09-30	$21,145,551	510,146	+1.5%	Shares	Sole	2022-11-10
2022-06-30	$21,363,833	502,442	+6.8%	Shares	Sole	2022-08-11
2022-03-31	$36,306,172	470,592	-0.4%	Shares	Sole	2022-05-12
2021-12-31	$36,727,680	472,321	+3.4%	Shares	Sole	2022-02-10
2021-09-30	$36,651,635	456,889	-0.5%	Shares	Sole	2021-11-12
2021-06-30	$38,585,758	459,081	-1.6%	Shares	Sole	2021-08-05
2021-03-31	$38,721,806	466,584	-0.7%	Shares	Sole	2021-05-06
2020-12-31	$37,741,920	470,070	-2.3%	Shares	Sole	2021-02-10
2020-09-30	$31,321,758	481,133	-2.7%	Shares	Sole	2020-11-12
2020-06-30	$29,545,275	494,730	+6.6%	Shares	Sole	2020-08-13
2020-03-31	$19,601,479	464,270	—	Shares	Sole	2020-05-06
No 13F history on record for this holder in this stock.