Comerica Bank

SEC CIK: 0000901541
Latest filing: Jan 29, 2026

SEC filings (opens in a new tab)

MACK holding history

Merrimack Pharmaceuticals 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.

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

Shares (Q2 2024): 0; Sold out in Q2 2024
Value: $0
% of portfolio: 0.0%
Quarters held: 3; Since Q3 2023

Holdings of MACK by Comerica Bank, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2024	0	$0	0.0%	−500−100.0%	Sold out	Holders
Q1 2024	500	$7.38K	<0.1%	00.0%	Unchanged	Holders
Q4 2023	500	$6.71K	<0.1%	00.0%	Unchanged	Holders
Q3 2023	500	$6.17K	<0.1%	+500	New	Holders