NORTHERN TRUST CORP

Bank

CIK

73124

City

CHICAGO

State / Country

Stock

SPOK — Spok Holdings, Inc

Top Portfolio Positions

3,945 positions · $675,100,430,106 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	252,741,836	$44,078,176,193	6.53%
AAPL	Apple Inc. Technology	159,265,625	$40,420,022,962	5.99%
MSFT	Microsoft Corp Technology	79,696,955	$29,501,421,826	4.37%
AMZN	Amazon Com Inc Consumer Cyclical	95,126,682	$19,812,034,054	2.93%
GOOGL	Alphabet Inc. Communication Services	64,991,458	$18,688,943,657	2.77%
AVGO	Broadcom Inc. Technology	47,625,547	$14,740,583,048	2.18%
META	Meta Platforms, Inc. Communication Services	21,979,768	$12,575,284,660	1.86%
TSLA	Tesla, Inc. Consumer Cyclical	25,659,609	$9,538,959,641	1.41%
JPM	Jpmorgan Chase & Co Financial Services	31,221,042	$9,183,981,710	1.36%
SPY	Spdr S&P 500 ETF Trust	13,839,818	$9,000,587,237	1.33%

25 quarters · across all stocks

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,360,317	216,543	-0.3%	Shares	Defined	2026-05-14
2025-12-31	$2,863,467	217,094	-9.9%	Shares	Other	2026-02-17
2025-09-30	$4,157,007	240,986	-0.8%	Shares	Other	2025-11-14
2025-06-30	$4,296,291	243,003	+12.1%	Shares	Other	2025-08-13
2025-03-31	$3,563,893	216,782	+4.7%	Shares	Defined	2025-05-13
2024-12-31	$3,323,439	207,068	+4.1%	Shares	Other	2025-02-14
2024-09-30	$2,995,328	198,893	+1.3%	Shares	Defined	2024-11-13
2024-06-30	$2,908,875	196,413	-3.5%	Shares	Defined	2024-08-14
2024-03-31	$3,245,760	203,496	+0.7%	Shares	Defined	2024-05-14
2023-12-31	$3,128,770	202,117	+8.5%	Shares	Defined	2024-02-13
2023-09-30	$2,658,428	186,295	-0.3%	Shares	Defined	2023-11-13
2023-06-30	$2,482,066	186,762	+153.1%	Shares	Defined	2023-08-11
2023-03-31	$747,603	73,801	+3.5%	Shares	Defined	2023-05-15
2022-12-31	$583,774	71,279	+1.9%	Shares	Defined	2023-02-13
2022-09-30	$534,333	69,939	+2.7%	Shares	Defined	2022-11-14
2022-06-30	$429,237	68,133	+0.5%	Shares	Defined	2022-08-12
2022-03-31	$540,756	67,764	-3.4%	Shares	Defined	2022-05-13
2021-12-31	$654,292	70,128	+3.6%	Shares	Defined	2022-02-08
2021-09-30	$692,117	67,722	-20.2%	Shares	Defined	2021-11-15
2021-06-30	$816,063	84,830	-61.8%	Shares	Defined	2021-08-13
2021-03-31	$2,329,681	222,086	-12.8%	Shares	Other	2021-05-12
2020-12-31	$2,834,386	254,662	-6.8%	Shares	Defined	2021-02-11
2020-09-30	$2,597,265	273,109	-2.5%	Shares	Defined	2020-11-16
2020-06-30	$2,619,663	280,178	-0.2%	Shares	Other	2020-08-14
2020-03-31	$3,001,365	280,764	—	Shares	Defined	2020-05-14
No 13F history on record for this holder in this stock.