HighTower Advisors, LLC

CIK

1462245

City

CHICAGO

State / Country

Stock

MRK — Merck & Co., Inc.

Top Portfolio Positions

2,293 positions · $51,719,075,207 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
AAPL	Apple Inc. Technology	11,772,399	$2,987,717,142	5.78%
JNJ	Johnson & Johnson Healthcare	10,484,201	$2,562,758,092	4.96%
MSFT	Microsoft Corp Technology	5,058,749	$1,872,597,117	3.62%
SPY	Spdr S&P 500 ETF Trust	2,802,707	$1,822,712,470	3.52%
NVDA	Nvidia Corp Technology	7,713,149	$1,345,173,185	2.60%
XOM	Exxon Mobil Corp Energy	7,188,999	$1,219,685,570	2.36%
AMZN	Amazon Com Inc Consumer Cyclical	5,745,966	$1,196,712,338	2.31%
BRK-B	Berkshire Hathaway Inc Financial Services	2,432,963	$1,165,875,869	2.25%
GOOGL	Alphabet Inc. Communication Services	3,759,185	$1,080,991,238	2.09%
META	Meta Platforms, Inc. Communication Services	1,380,422	$789,780,838	1.53%

Portfolio Trend

25 quarters · across all stocks

Holdings in MRK

Compact Export CSV

Shares Held

Position Value (USD)

38 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$437,302,747	3,635,404	-4.8%	Shares	Sole	2026-05-05
2025-12-31	$401,896,890	3,818,135	-1.3%	Shares	Sole	2026-02-06
2025-09-30	$324,735,661	3,869,125	+96628.1%	Shares	Sole	2025-11-07
2025-06-30	$316,640	4,000	-99.9%	Call	Sole	2025-08-11
2025-06-30	$298,179,017	3,766,789	+1.8%	Shares	Sole	2025-08-11
2025-03-31	$332,018,649	3,698,960	+739692.0%	Shares	Sole	2025-05-13
2025-03-31	$44,880	500	-90.0%	Call	Sole	2025-05-13
2024-12-31	$497,400	5,000	-99.8%	Call	Sole	2025-02-07
2024-12-31	$313,548,525	3,151,875	+787868.8%	Shares	Sole	2025-02-07
2024-09-30	$45,424	400	-100.0%	Call	Sole	2024-11-14
2024-09-30	$325,804,775	2,869,010	+4.6%	Shares	Sole	2024-11-14
2024-06-30	$339,502,063	2,742,343	+1.4%	Shares	Sole	2024-08-13
2024-03-31	$356,811,932	2,704,145	-2.4%	Shares	Sole	2024-05-06
2023-12-31	$301,944,190	2,769,622	+0.1%	Shares	Sole	2024-02-12
2023-09-30	$284,978,777	2,768,128	+1182860.7%	Shares	Sole	2023-11-08
2023-09-30	$24,090	234	-100.0%	Put	Sole	2023-11-08
2023-06-30	$316,057,017	2,739,033	+1.6%	Shares	Sole	2023-08-14
2023-03-31	$286,778,500	2,695,540	-7.9%	Shares	Sole	2023-05-12
2022-12-31	$324,616,067	2,925,787	+292578600.0%	Shares	Sole	2023-02-09
2022-09-30	$86	1	-100.0%	Put	Sole	2022-11-09
2022-09-30	$245,069,014	2,845,669	-0.5%	Shares	Sole	2022-11-09
2022-06-30	$260,844,298	2,861,076	+143053700.0%	Shares	Sole	2022-08-10
2022-03-31	$164	2	-100.0%	Call	Sole	2022-05-12
2022-03-31	$232,756,404	2,836,763	+4.6%	Shares	Sole	2022-05-12
2021-12-31	$207,934,743	2,713,136	+271313500.0%	Shares	Sole	2022-02-10
2021-12-31	$76	1	-100.0%	Put	Sole	2022-02-10
2021-09-30	$181,736,231	2,419,601	+2419501.0%	Shares	Sole	2021-11-12
2021-09-30	$7,511	100	-95.0%	Put	Sole	2021-11-12
2021-06-30	$155,540	2,000	-99.9%	Call	Sole	2021-08-06
2021-06-30	$182,275,303	2,343,774	+11.3%	Shares	Sole	2021-08-06
2021-03-31	$154,871,245	2,105,396	+3.3%	Shares	Sole	2021-05-10
2020-12-31	$159,033,958	2,037,502	+40749940.0%	Shares	Sole	2021-02-10
2020-12-31	$390	5	-99.9%	Call	Sole	2021-02-10
2020-09-30	$292,857	3,700	-99.8%	Call	Sole	2020-11-13
2020-09-30	$153,428,997	1,938,439	+3.8%	Shares	Sole	2020-11-13
2020-06-30	$137,807,949	1,867,615	+933707.5%	Shares	Sole	2020-08-10
2020-06-30	$14,757	200	-100.0%	Call	Sole	2020-08-10
2020-03-31	$129,260,687	1,760,661	—	Shares	Sole	2020-05-21
No 13F history on record for this holder in this stock.