Puzo Michael J

SEC CIK: 0001053914
Latest filing: Aug 10, 2026

SEC filings (opens in a new tab)

MRK holding history

Merck & Co., Inc. in every 13F filed by Puzo Michael J, 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 Q2 2026 holdings

Shares (Q2 2026): 17,353
Value: $2.23M
% of portfolio: 0.6%
Quarters held: 22; Since Q1 2021

Holdings of MRK by Puzo Michael J, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	17,353	$2.23M	0.6%	−200−1.1%	Reduced	Holders
Q1 2026	17,553	$2.11M	0.6%	00.0%	Unchanged	Holders
Q4 2025	17,553	$1.85M	0.5%	00.0%	Unchanged	Holders
Q3 2025	17,553	$1.47M	0.4%	−405−2.3%	Reduced	Holders
Q2 2025	17,958	$1.42M	0.4%	00.0%	Unchanged	Holders
Q1 2025	17,958	$1.61M	0.5%	−245−1.3%	Reduced	Holders
Q4 2024	18,203	$1.81M	0.5%	−1,500−7.6%	Reduced	Holders
Q3 2024	19,703	$2.24M	0.6%	−1,102−5.3%	Reduced	Holders
Q2 2024	20,805	$2.58M	0.7%	−505−2.4%	Reduced	Holders
Q1 2024	21,310	$2.81M	0.8%	−940−4.2%	Reduced	Holders
Q4 2023	22,250	$2.43M	0.8%	−85−0.4%	Reduced	Holders
Q3 2023	22,335	$2.30M	0.8%	−540−2.4%	Reduced	Holders
Q2 2023	22,875	$2.64M	0.8%	−225−1.0%	Reduced	Holders
Q1 2023	23,100	$2.46M	0.8%	−250−1.1%	Reduced	Holders
Q4 2022	23,350	$2.59M	0.9%	00.0%	Unchanged	Holders
Q3 2022	23,350	$2.01M	0.8%	00.0%	Unchanged	Holders
Q2 2022	23,350	$2.13M	0.8%	−350−1.5%	Reduced	Holders
Q1 2022	23,700	$1.95M	0.6%	−300−1.3%	Reduced	Holders
Q4 2021	24,000	$1.84M	0.5%	00.0%	Unchanged	Holders
Q3 2021	24,000	$1.80M	0.6%	00.0%	Unchanged	Holders
Q2 2021	24,000	$1.87M	0.6%	−100−0.4%	Reduced	Holders
Q1 2021	24,100	$1.86M	0.6%	–	–	Holders

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