Comerica Bank

SEC CIK: 0000901541
Latest filing: Jan 29, 2026

SEC filings (opens in a new tab)

MRK holding history

Merck & Co., Inc. in every 13F filed by Comerica Bank, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MRK overview All 13F holders of MRK Full Q4 2025 holdings

Shares (Q4 2025): 932,997
Value: $98.2M
% of portfolio: 0.4%
Quarters held: 19; Since Q1 2021

Holdings of MRK by Comerica Bank, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q4 2025	932,997	$98.2M	0.4%	−33,676−3.5%	Reduced	Holders
Q3 2025	966,673	$81.1M	0.3%	−38,732−3.9%	Reduced	Holders
Q2 2025	1,005,405	$79.6M	0.3%	−29,138−2.8%	Reduced	Holders
Q1 2025	1,034,543	$92.9M	0.4%	−30,425−2.9%	Reduced	Holders
Q4 2024	1,064,968	$105.9M	0.4%	−39,949−3.6%	Reduced	Holders
Q3 2024	1,104,917	$125.5M	0.5%	+2,892+0.3%	Added	Holders
Q2 2024	1,102,025	$136.4M	0.6%	−578−0.1%	Reduced	Holders
Q1 2024	1,102,603	$145.5M	0.6%	−17,740−1.6%	Reduced	Holders
Q4 2023	1,120,343	$122.1M	0.6%	−19,953−1.7%	Reduced	Holders
Q3 2023	1,140,296	$117.4M	0.6%	−2,262,207−66.5%	Reduced	Holders
Q2 2023	3,402,503	$290	<0.1%	–	No prior filing	Holders
Q1 2023	–	–	–	–	Not filed	Holders
Q4 2022	704,036	$77.8M	0.6%	+2,457+0.4%	Added	Holders
Q3 2022	701,579	$68.3M	0.6%	+3,341+0.5%	Added	Holders
Q2 2022	698,238	$64.5M	0.5%	−15,147−2.1%	Reduced	Holders
Q1 2022	713,385	$61.7M	0.4%	+3,505+0.5%	Added	Holders
Q4 2021	709,880	$56.4M	0.4%	−25,787−3.5%	Reduced	Holders
Q3 2021	735,667	$59.7M	0.4%	−133,130−15.3%	Reduced	Holders
Q2 2021	868,797	$68.2M	0.4%	−2,400−0.3%	Reduced	Holders
Q1 2021	871,197	$67.8M	0.4%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.